diff options
Diffstat (limited to 'libs/cairo-1.16.0/util/cairo-trace/trace.c')
| -rw-r--r-- | libs/cairo-1.16.0/util/cairo-trace/trace.c | 5587 |
1 files changed, 5587 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/util/cairo-trace/trace.c b/libs/cairo-1.16.0/util/cairo-trace/trace.c new file mode 100644 index 0000000..1fe130b --- /dev/null +++ b/libs/cairo-1.16.0/util/cairo-trace/trace.c @@ -0,0 +1,5587 @@ +/* cairo-trace - a utility to record and replay calls to the Cairo library. + * + * Copyright © 2008 Chris Wilson + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#define _GNU_SOURCE + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +/* The autoconf on OpenBSD 4.5 produces the malformed constant name + * SIZEOF_VOID__ rather than SIZEOF_VOID_P. Work around that here. */ +#if !defined(SIZEOF_VOID_P) && defined(SIZEOF_VOID__) +# define SIZEOF_VOID_P SIZEOF_VOID__ +#endif + +#include <dlfcn.h> +#include <stdint.h> +#include <stdbool.h> +#include <stdio.h> +#include <string.h> +#include <sys/types.h> +#include <unistd.h> +#include <errno.h> +#include <pthread.h> +#include <zlib.h> +#include <math.h> +#include <locale.h> /* for locale independent %f printing */ +#include <ctype.h> +#include <assert.h> +#include <stdlib.h> +#include <limits.h> +#include <stdarg.h> + +#include <cairo.h> +#if CAIRO_HAS_FT_FONT +# include <cairo-ft.h> +#endif + +#ifndef TRUE +#define TRUE 1 +#define FALSE 0 +#endif + +#ifndef CAIRO_TRACE_OUTDIR +#define CAIRO_TRACE_OUTDIR "." +#endif + +#define DEBUG_STACK 0 + +#if HAVE_BYTESWAP_H +# include <byteswap.h> +#endif +#ifndef bswap_16 +# define bswap_16(p) \ + (((((uint16_t)(p)) & 0x00ff) << 8) | \ + (((uint16_t)(p)) >> 8)) +#endif +#ifndef bswap_32 +# define bswap_32(p) \ + (((((uint32_t)(p)) & 0x000000ff) << 24) | \ + ((((uint32_t)(p)) & 0x0000ff00) << 8) | \ + ((((uint32_t)(p)) & 0x00ff0000) >> 8) | \ + ((((uint32_t)(p))) >> 24)) +#endif + +#if WORDS_BIGENDIAN +#define le16(x) bswap_16 (x) +#define le32(x) bswap_32 (x) +#define be16(x) x +#define be32(x) x +#define to_be32(x) x +#else +#define le16(x) x +#define le32(x) x +#define be16(x) bswap_16 (x) +#define be32(x) bswap_32 (x) +#define to_be32(x) bswap_32 (x) +#endif + +#if CAIRO_HAS_SYMBOL_LOOKUP +#include "lookup-symbol.h" +#endif + +/* Reverse the bits in a byte with 7 operations (no 64-bit): + * Devised by Sean Anderson, July 13, 2001. + * Source: http://graphics.stanford.edu/~seander/bithacks.html#ReverseByteWith32Bits + */ +#define CAIRO_BITSWAP8(c) ((((c) * 0x0802LU & 0x22110LU) | ((c) * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16) + +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4) +#define CAIRO_PRINTF_FORMAT(fmt_index, va_index) \ + __attribute__((__format__(__printf__, fmt_index, va_index))) +#else +#define CAIRO_PRINTF_FORMAT(fmt_index, va_index) +#endif + +/* XXX implement manual vprintf so that the user can control precision of + * printed numbers. + */ + +static void *_dlhandle = RTLD_NEXT; +#define DLCALL(name, args...) ({ \ + static typeof (&name) name##_real; \ + if (name##_real == NULL) { \ + name##_real = (typeof (&name))(dlsym (_dlhandle, #name)); \ + if (name##_real == NULL && _dlhandle == RTLD_NEXT) { \ + _dlhandle = dlopen ("libcairo." SHARED_LIB_EXT, RTLD_LAZY); \ + name##_real = (typeof (&name))(dlsym (_dlhandle, #name)); \ + assert (name##_real != NULL); \ + } \ + } \ + (*name##_real) (args); \ +}) + +#ifndef ARRAY_LENGTH +#define ARRAY_LENGTH(__array) ((int) (sizeof (__array) / sizeof (__array[0]))) +#endif + +#if SIZEOF_VOID_P == 4 +#define PTR_SHIFT 2 +#elif SIZEOF_VOID_P == 8 +#define PTR_SHIFT 3 +#else +#error Unexpected pointer size +#endif +#define BUCKET(b, ptr) (((unsigned long) (ptr) >> PTR_SHIFT) % ARRAY_LENGTH (b)) + +#if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__) +#define _BOOLEAN_EXPR(expr) \ + __extension__ ({ \ + int _boolean_var_; \ + if (expr) \ + _boolean_var_ = 1; \ + else \ + _boolean_var_ = 0; \ + _boolean_var_; \ +}) +#define LIKELY(expr) (__builtin_expect (_BOOLEAN_EXPR(expr), 1)) +#define UNLIKELY(expr) (__builtin_expect (_BOOLEAN_EXPR(expr), 0)) +#else +#define LIKELY(expr) (expr) +#define UNLIKELY(expr) (expr) +#endif + +typedef struct _object Object; +typedef struct _type Type; + +struct _object { + const void *addr; + Type *type; + unsigned long int token; + int width, height; + cairo_bool_t foreign; + cairo_bool_t defined; + cairo_bool_t unknown; + int operand; + void *data; + void (*destroy)(void *); + Object *next, *prev; +}; + +struct _type { + const char *name; + + enum operand_type { + NONE, + SURFACE, + CONTEXT, + FONT_FACE, + PATTERN, + SCALED_FONT, + _N_OP_TYPES + } op_type; + const char *op_code; + + pthread_mutex_t mutex; + struct _bitmap { + unsigned long int min; + unsigned long int count; + unsigned int map[64]; + struct _bitmap *next; + } map; + Object *objects[607]; + Type *next; +}; + +static struct _type_table { + pthread_mutex_t mutex; + Type *op_types[_N_OP_TYPES]; +} Types; + +static FILE *logfile; +static cairo_bool_t _flush; +static cairo_bool_t _error; +static cairo_bool_t _line_info; +static cairo_bool_t _mark_dirty; +static const cairo_user_data_key_t destroy_key; +static pthread_once_t once_control = PTHREAD_ONCE_INIT; +static pthread_key_t counter_key; + +static void _init_trace (void); + +#define INIT_TRACE_ONCE() pthread_once (&once_control, _init_trace) + +#if __GNUC__ >= 3 && defined(__ELF__) && !defined(__sun) +# define _enter_trace() INIT_TRACE_ONCE () +# define _exit_trace() do { } while (0) +# define _should_trace() 1 +# define USE_ENTER_EXIT 0 +#else +static void _enter_trace (void); +static void _exit_trace (void); +static cairo_bool_t _should_trace (void); +# define USE_ENTER_EXIT 1 +#endif + +#if HAVE_BUILTIN_RETURN_ADDRESS && CAIRO_HAS_SYMBOL_LOOKUP +#define _emit_line_info() do { \ + if (_line_info && _write_lock ()) { \ + void *addr = __builtin_return_address(0); \ + char caller[1024]; \ + _trace_printf ("%% %s() called by %s\n", __FUNCTION__, \ + lookup_symbol (caller, sizeof (caller), addr)); \ + _write_unlock (); \ + } \ +} while (0) +#else +#define _emit_line_info() +#endif + +static void +_type_release_token (Type *t, unsigned long int token) +{ + struct _bitmap *b, **prev = NULL; + + b = &t->map; + while (b != NULL) { + if (token < b->min + sizeof (b->map) * CHAR_BIT) { + unsigned int bit, elem; + + token -= b->min; + elem = token / (sizeof (b->map[0]) * CHAR_BIT); + bit = token % (sizeof (b->map[0]) * CHAR_BIT); + b->map[elem] &= ~(1 << bit); + if (! --b->count && prev) { + *prev = b->next; + free (b); + } + return; + } + prev = &b->next; + b = b->next; + } +} + +static unsigned long int +_type_next_token (Type *t) +{ + struct _bitmap *b, *bb, **prev = NULL; + unsigned long int min = 0; + + b = &t->map; + while (b != NULL) { + if (b->min != min) + break; + + if (b->count < sizeof (b->map) * CHAR_BIT) { + unsigned int n, m, bit; + for (n = 0; n < ARRAY_LENGTH (b->map); n++) { + if (b->map[n] == (unsigned int) -1) + continue; + + for (m=0, bit=1; m<sizeof (b->map[0])*CHAR_BIT; m++, bit<<=1) { + if ((b->map[n] & bit) == 0) { + b->map[n] |= bit; + b->count++; + return n * sizeof (b->map[0])*CHAR_BIT + m + b->min; + } + } + } + } + min += sizeof (b->map) * CHAR_BIT; + + prev = &b->next; + b = b->next; + } + assert (prev != NULL); + + bb = malloc (sizeof (struct _bitmap)); + + *prev = bb; + bb->next = b; + bb->min = min; + bb->count = 1; + bb->map[0] = 0x1; + memset (bb->map + 1, 0, sizeof (bb->map) - sizeof (bb->map[0])); + + return min; +} + +static void +_object_destroy (Object *obj) +{ + int bucket; + + pthread_mutex_lock (&obj->type->mutex); + bucket = BUCKET (obj->type->objects, obj->addr); + _type_release_token (obj->type, obj->token); + + if (obj->prev != NULL) + obj->prev->next = obj->next; + else + obj->type->objects[bucket] = obj->next; + + if (obj->next != NULL) + obj->next->prev = obj->prev; + pthread_mutex_unlock (&obj->type->mutex); + + if (obj->data != NULL && obj->destroy != NULL) + obj->destroy (obj->data); + + free (obj); +} + +static void +_type_create (const char *typename, + enum operand_type op_type, + const char *op_code) +{ + Type *t; + + pthread_mutex_lock (&Types.mutex); + + t = malloc (sizeof (Type)); + t->name = typename; + t->op_type = op_type; + t->op_code = op_code; + + pthread_mutex_init (&t->mutex, NULL); + + t->map.min = 0; + t->map.count = 0; + memset (t->map.map, 0, sizeof (t->map.map)); + t->map.next = NULL; + + memset (t->objects, 0, sizeof (t->objects)); + + t->next = NULL; + + Types.op_types[op_type] = t; + pthread_mutex_unlock (&Types.mutex); +} + +static Type * +_get_type (enum operand_type type) +{ + return Types.op_types[type]; +} + +static void +_type_destroy (Type *t) +{ + int n; + struct _bitmap *b; + + for (n = 0; n < ARRAY_LENGTH (t->objects); n++) { + Object *obj = t->objects[n]; + while (obj != NULL) { + Object *next = obj->next; + _object_destroy (obj); + obj = next; + } + } + + b = t->map.next; + while (b != NULL) { + struct _bitmap *next = b->next; + free (b); + b = next; + } + + pthread_mutex_destroy (&t->mutex); + free (t); +} + +static Object * +_type_get_object (Type *type, const void *ptr) +{ + Object *obj; + int bucket = BUCKET (type->objects, ptr); + + for (obj = type->objects[bucket]; obj != NULL; obj = obj->next) { + if (obj->addr == ptr) { + if (obj->prev != NULL) { /* mru */ + obj->prev->next = obj->next; + if (obj->next != NULL) + obj->next->prev = obj->prev; + obj->prev = NULL; + type->objects[bucket]->prev = obj; + obj->next = type->objects[bucket]; + type->objects[bucket] = obj; + } + return obj; + } + } + + return NULL; +} + +static Object * +_object_create (Type *type, const void *ptr) +{ + Object *obj; + int bucket = BUCKET (type->objects, ptr); + + obj = malloc (sizeof (Object)); + obj->unknown = TRUE; + obj->defined = FALSE; + obj->foreign = FALSE; + obj->operand = -1; + obj->type = type; + obj->addr = ptr; + obj->token = _type_next_token (type); + obj->data = NULL; + obj->destroy = NULL; + obj->prev = NULL; + obj->next = type->objects[bucket]; + if (type->objects[bucket] != NULL) + type->objects[bucket]->prev = obj; + type->objects[bucket] = obj; + + return obj; +} + +#if USE_ENTER_EXIT +static int * +_get_counter (void) +{ + int *counter = pthread_getspecific (counter_key); + if (counter == NULL) { + counter = calloc(1, sizeof(int)); + pthread_setspecific (counter_key, counter); + } + return counter; +} + +static void +_enter_trace (void) +{ + INIT_TRACE_ONCE (); + _get_counter ()[0]++; +} + +static void +_exit_trace (void) +{ + _get_counter ()[0]--; +} + +static cairo_bool_t +_should_trace (void) +{ + return _get_counter ()[0] <= 1; +} +#endif /* USE_ENTER_EXIT */ + +static void +_init_trace (void) +{ + pthread_mutex_init (&Types.mutex, NULL); + pthread_key_create (&counter_key, free); + + _type_create ("unclassed", NONE, ""); + _type_create ("cairo_t", CONTEXT, "c"); + _type_create ("cairo_font_face_t", FONT_FACE, "f"); + _type_create ("cairo_pattern_t", PATTERN, "p"); + _type_create ("cairo_scaled_font_t", SCALED_FONT, "sf"); + _type_create ("cairo_surface_t", SURFACE, "s"); +} + +static void +_close_trace (void) +{ + if (logfile != NULL) { + fclose (logfile); + logfile = NULL; + } +} + +static void __attribute__ ((destructor)) +_fini_trace (void) +{ + int n; + + _close_trace (); + + for (n = 0; n < ARRAY_LENGTH (Types.op_types); n++) { + if (Types.op_types[n]) { + _type_destroy (Types.op_types[n]); + Types.op_types[n] = NULL; + } + } + + pthread_mutex_destroy (&Types.mutex); +} + +/* Format a double in a locale independent way and trim trailing + * zeros. Based on code from Alex Larson <alexl@redhat.com>. + * https://mail.gnome.org/archives/gtk-devel-list/2001-October/msg00087.html + * + * The code in the patch is copyright Red Hat, Inc under the LGPL. + */ +#define SIGNIFICANT_DIGITS_AFTER_DECIMAL 6 +static void +_trace_dtostr (char *buffer, size_t size, double d) +{ + struct lconv *locale_data; + const char *decimal_point; + int decimal_point_len; + char *p; + int decimal_len; + int num_zeros, decimal_digits; + + /* Omit the minus sign from negative zero. */ + if (d == 0.0) + d = 0.0; + + locale_data = localeconv (); + decimal_point = locale_data->decimal_point; + decimal_point_len = strlen (decimal_point); + + /* Using "%f" to print numbers less than 0.1 will result in + * reduced precision due to the default 6 digits after the + * decimal point. + * + * For numbers is < 0.1, we print with maximum precision and count + * the number of zeros between the decimal point and the first + * significant digit. We then print the number again with the + * number of decimal places that gives us the required number of + * significant digits. This ensures the number is correctly + * rounded. + */ + if (fabs (d) >= 0.1) { + snprintf (buffer, size, "%f", d); + } else { + snprintf (buffer, size, "%.18f", d); + p = buffer; + + if (*p == '+' || *p == '-') + p++; + + while (isdigit (*p)) + p++; + + if (strncmp (p, decimal_point, decimal_point_len) == 0) + p += decimal_point_len; + + num_zeros = 0; + while (*p++ == '0') + num_zeros++; + + decimal_digits = num_zeros + SIGNIFICANT_DIGITS_AFTER_DECIMAL; + + if (decimal_digits < 18) + snprintf (buffer, size, "%.*f", decimal_digits, d); + } + p = buffer; + + if (*p == '+' || *p == '-') + p++; + + while (isdigit (*p)) + p++; + + if (strncmp (p, decimal_point, decimal_point_len) == 0) { + *p = '.'; + decimal_len = strlen (p + decimal_point_len); + memmove (p + 1, p + decimal_point_len, decimal_len); + p[1 + decimal_len] = 0; + + /* Remove trailing zeros and decimal point if possible. */ + for (p = p + decimal_len; *p == '0'; p--) + *p = 0; + + if (*p == '.') { + *p = 0; + p--; + } + } +} + +enum { + LENGTH_MODIFIER_LONG = 0x100 +}; + +/* Here's a limited reimplementation of printf. The reason for doing + * this is primarily to special case handling of doubles. We want + * locale independent formatting of doubles and we want to trim + * trailing zeros. This is handled by dtostr() above, and the code + * below handles everything else by calling snprintf() to do the + * formatting. This functionality is only for internal use and we + * only implement the formats we actually use. + */ +static void CAIRO_PRINTF_FORMAT(1, 0) +_trace_vprintf (const char *fmt, va_list ap) +{ +#define SINGLE_FMT_BUFFER_SIZE 32 + char buffer[512], single_fmt[SINGLE_FMT_BUFFER_SIZE]; + int single_fmt_length; + char *p; + const char *f, *start; + int length_modifier, width; + cairo_bool_t var_width; + int ret_ignored; + + assert (_should_trace ()); + + f = fmt; + p = buffer; + while (*f != '\0') { + if (*f != '%') { + *p++ = *f++; + continue; + } + + start = f; + f++; + + if (*f == '0') + f++; + + var_width = 0; + if (*f == '*') { + var_width = 1; + f++; + } + + while (isdigit (*f)) + f++; + + length_modifier = 0; + if (*f == 'l') { + length_modifier = LENGTH_MODIFIER_LONG; + f++; + } + + /* The only format strings exist in the cairo implementation + * itself. So there's an internal consistency problem if any + * of them is larger than our format buffer size. */ + single_fmt_length = f - start + 1; + + /* Reuse the format string for this conversion. */ + memcpy (single_fmt, start, single_fmt_length); + single_fmt[single_fmt_length] = '\0'; + + /* Flush contents of buffer before snprintf()'ing into it. */ + ret_ignored = fwrite (buffer, 1, p-buffer, logfile); + + /* We group signed and unsigned together in this switch, the + * only thing that matters here is the size of the arguments, + * since we're just passing the data through to sprintf(). */ + switch (*f | length_modifier) { + case '%': + buffer[0] = *f; + buffer[1] = 0; + break; + case 'd': + case 'u': + case 'o': + case 'x': + case 'X': + if (var_width) { + width = va_arg (ap, int); + snprintf (buffer, sizeof buffer, + single_fmt, width, va_arg (ap, int)); + } else { + snprintf (buffer, sizeof buffer, single_fmt, va_arg (ap, int)); + } + break; + case 'd' | LENGTH_MODIFIER_LONG: + case 'u' | LENGTH_MODIFIER_LONG: + case 'o' | LENGTH_MODIFIER_LONG: + case 'x' | LENGTH_MODIFIER_LONG: + case 'X' | LENGTH_MODIFIER_LONG: + if (var_width) { + width = va_arg (ap, int); + snprintf (buffer, sizeof buffer, + single_fmt, width, va_arg (ap, long int)); + } else { + snprintf (buffer, sizeof buffer, + single_fmt, va_arg (ap, long int)); + } + break; + case 's': + snprintf (buffer, sizeof buffer, + single_fmt, va_arg (ap, const char *)); + break; + case 'f': + case 'g': + _trace_dtostr (buffer, sizeof buffer, va_arg (ap, double)); + break; + case 'c': + buffer[0] = va_arg (ap, int); + buffer[1] = 0; + break; + default: + break; + } + p = buffer + strlen (buffer); + f++; + } + + ret_ignored = fwrite (buffer, 1, p-buffer, logfile); + (void)ret_ignored; +} + +static void CAIRO_PRINTF_FORMAT(1, 2) +_trace_printf (const char *fmt, ...) +{ + va_list ap; + + va_start (ap, fmt); + _trace_vprintf (fmt, ap); + va_end (ap); +} + +static void +get_prog_name (char *buf, int length) +{ + char *slash; + FILE *file; + + memset (buf, 0, length); + if (length == 0) + return; + + file = fopen ("/proc/self/cmdline", "rb"); + if (file != NULL) { + slash = fgets (buf, length, file); + fclose (file); + + if (slash == NULL) + return; + } else { + char const *name = getenv ("CAIRO_TRACE_PROG_NAME"); + if (name != NULL) { + strncpy (buf, name, length-1); + } + } + + slash = strrchr (buf, '/'); + if (slash != NULL) { + size_t len = strlen (slash+1); + memmove (buf, slash+1, len+1); + } +} + +static void +_emit_header (void) +{ + char name[4096] = ""; + + get_prog_name (name, sizeof (name)); + + _trace_printf ("%%!CairoScript - %s\n", name); +} + +static cairo_bool_t +_init_logfile (void) +{ + static cairo_bool_t initialized; + char buf[4096]; + const char *filename; + const char *env; + + if (initialized) + return logfile != NULL; + + initialized = TRUE; + + env = getenv ("CAIRO_TRACE_FLUSH"); + if (env != NULL) + _flush = atoi (env); + + _line_info = TRUE; + env = getenv ("CAIRO_TRACE_LINE_INFO"); + if (env != NULL) + _line_info = atoi (env); + + _mark_dirty = TRUE; + env = getenv ("CAIRO_TRACE_MARK_DIRTY"); + if (env != NULL) + _mark_dirty = atoi (env); + + filename = getenv ("CAIRO_TRACE_FD"); + if (filename != NULL) { + int fd = atoi (filename); + if (fd == -1) + return FALSE; + + logfile = fdopen (fd, "w"); + if (logfile == NULL) { + fprintf (stderr, "Failed to open trace file descriptor '%s': %s\n", + filename, strerror (errno)); + return FALSE; + } + + setenv ("CAIRO_TRACE_FD", "-1", 1); + goto done; + } + + filename = getenv ("CAIRO_TRACE_OUTFILE_EXACT"); + if (filename == NULL) { + char name[4096] = ""; + + filename = getenv ("CAIRO_TRACE_OUTDIR"); + if (filename == NULL) + filename = CAIRO_TRACE_OUTDIR; + + get_prog_name (name, sizeof (name)); + if (*name == '\0') + strcpy (name, "cairo-trace.dat"); + + snprintf (buf, sizeof (buf), "%s/%s.%d.trace", + filename, name, getpid()); + + filename = buf; + } else { + setenv ("CAIRO_TRACE_FD", "-1", 1); + } + + logfile = fopen (filename, "wb"); + if (logfile == NULL) { + fprintf (stderr, "Failed to open trace file '%s': %s\n", + filename, strerror (errno)); + return FALSE; + } + + fprintf (stderr, "cairo-trace: Recording cairo trace data to %s\n", + filename); + +done: + atexit (_close_trace); + _emit_header (); + return TRUE; +} + +static cairo_bool_t +_write_lock (void) +{ + if (_error) + return FALSE; + + if (! _should_trace ()) + return FALSE; + + if (! _init_logfile ()) + return FALSE; + +#if HAVE_FLOCKFILE && HAVE_FUNLOCKFILE + flockfile (logfile); +#endif + return TRUE; +} + +static void +_write_unlock (void) +{ + if (logfile == NULL) + return; + +#if HAVE_FLOCKFILE && HAVE_FUNLOCKFILE + funlockfile (logfile); +#endif + + if (_flush) + fflush (logfile); +} + + +static Object * +_type_object_create (enum operand_type op_type, const void *ptr) +{ + Type *type; + Object *obj; + + type = _get_type (op_type); + + pthread_mutex_lock (&type->mutex); + obj = _object_create (type, ptr); + pthread_mutex_unlock (&type->mutex); + + return obj; +} + +static Object * +_get_object (enum operand_type op_type, const void *ptr) +{ + Type *type; + Object *obj; + + type = _get_type (op_type); + pthread_mutex_lock (&type->mutex); + obj = _type_get_object (type, ptr); + pthread_mutex_unlock (&type->mutex); + + return obj; +} + +static Object *current_object[2048]; /* XXX limit operand stack */ +static int current_stack_depth; + +static void +dump_stack(const char *func) +{ +#if DEBUG_STACK + int n; + + _trace_printf ("%% %s: stack[%d] = [", func, current_stack_depth); + fflush (logfile); + for (n = 0; n < current_stack_depth; n++) { + Object *obj = current_object[n]; + assert(obj && obj->type); + _trace_printf (" %s%s%ld", + obj->defined ? "" : "*", + obj->type->op_code, obj->token); + fflush (logfile); + } + _trace_printf (" ]\n"); + fflush (logfile); +#endif +} + +static void +ensure_operands (int num_operands) +{ + if (current_stack_depth < num_operands) { + int n; + + fprintf (stderr, "Operand stack underflow!\n"); + for (n = 0; n < current_stack_depth; n++) { + Object *obj = current_object[n]; + + fprintf (stderr, " [%3d] = %s%ld\n", + n, obj->type->op_code, obj->token); + } + + abort (); + } +} + +static void +_consume_operand (bool discard) +{ + Object *obj; + + ensure_operands (1); + obj = current_object[--current_stack_depth]; + if (!discard && ! obj->defined) { + _trace_printf ("dup /%s%ld exch def\n", + obj->type->op_code, + obj->token); + obj->defined = TRUE; + } + obj->operand = -1; +} + +static void +_exch_operands (void) +{ + Object *tmp; + + ensure_operands (2); + tmp = current_object[current_stack_depth-1]; + tmp->operand--; + current_object[current_stack_depth-1] = current_object[current_stack_depth-2]; + current_object[current_stack_depth-2] = tmp; + tmp = current_object[current_stack_depth-1]; + tmp->operand++; +} + +static cairo_bool_t +_pop_operands_to_depth (int depth) +{ + if (depth < 0) + return FALSE; + + assert(current_stack_depth >= depth); + if (current_stack_depth == depth) + return TRUE; + + while (current_stack_depth > depth + 1) { + Object *c_obj; + + ensure_operands (1); + c_obj = current_object[--current_stack_depth]; + + assert(c_obj); + assert(c_obj->type); + + if (! c_obj->defined) { + current_stack_depth++; + return FALSE; + } + + _trace_printf ("pop %% %s%ld\n", + c_obj->type->op_code, c_obj->token); + c_obj->operand = -1; + } + + _exch_operands (); + _trace_printf ("exch\n"); + + dump_stack(__func__); + return TRUE; +} + +static cairo_bool_t +_pop_operands_to_object (Object *obj) +{ + if (!obj) + return FALSE; + + if (obj->operand == -1) + return FALSE; + + if (obj->operand == current_stack_depth - 1) + return TRUE; + + if (obj->operand == current_stack_depth - 2) { + _exch_operands (); + _trace_printf ("exch "); + return TRUE; + } + + return _pop_operands_to_depth (obj->operand + 1); +} + +static cairo_bool_t +_pop_operands_to (enum operand_type t, const void *ptr) +{ + return _pop_operands_to_object (_get_object (t, ptr)); +} + +static cairo_bool_t +_is_current_object (Object *obj, int depth) +{ + if (current_stack_depth <= depth) + return FALSE; + return current_object[current_stack_depth-depth-1] == obj; +} + +static cairo_bool_t +_is_current (enum operand_type type, const void *ptr, int depth) +{ + return _is_current_object (_get_object (type, ptr), depth); +} + +static void +_push_object(Object *obj) +{ + assert(obj->operand == -1); + + if (current_stack_depth == ARRAY_LENGTH (current_object)) { + int n; + + fprintf (stderr, "Operand stack overflow!\n"); + for (n = 0; n < current_stack_depth; n++) { + obj = current_object[n]; + + fprintf (stderr, " [%3d] = %s%ld\n", + n, obj->type->op_code, obj->token); + } + + abort (); + } + + obj->operand = current_stack_depth; + current_object[current_stack_depth++] = obj; +} + +static void +_push_operand (enum operand_type t, const void *ptr) +{ + _push_object(_get_object(t, ptr)); +} + +static void +_object_remove (Object *obj) +{ + if (obj->operand != -1) { + ensure_operands (1); + if (obj->operand == current_stack_depth - 1) { + _trace_printf ("pop %% %s%ld destroyed\n", + obj->type->op_code, obj->token); + } else if (obj->operand == current_stack_depth - 2) { + _exch_operands (); + _trace_printf ("exch pop %% %s%ld destroyed\n", + obj->type->op_code, obj->token); + } else { + int n; + + _trace_printf ("%d -1 roll pop %% %s%ld destroyed\n", + current_stack_depth - obj->operand, + obj->type->op_code, obj->token); + + for (n = obj->operand; n < current_stack_depth - 1; n++) { + current_object[n] = current_object[n+1]; + current_object[n]->operand = n; + } + } + obj->operand = -1; + + current_stack_depth--; + dump_stack(__func__); + } +} + +static void +_object_undef (void *ptr) +{ + Object *obj = ptr; + + if (_write_lock ()) { + _object_remove (obj); + + if (obj->defined) { + _trace_printf ("/%s%ld undef\n", + obj->type->op_code, obj->token); + } + + _write_unlock (); + } + + _object_destroy (obj); +} + +static long +_create_context_id (cairo_t *cr) +{ + Object *obj; + + obj = _get_object (CONTEXT, cr); + if (obj == NULL) { + obj = _type_object_create (CONTEXT, cr); + DLCALL (cairo_set_user_data, + cr, &destroy_key, obj, _object_undef); + } + + return obj->token; +} + +static long +_get_id (enum operand_type op_type, const void *ptr) +{ + Object *obj; + + obj = _get_object (op_type, ptr); + if (obj == NULL) { + if (logfile != NULL) { + _trace_printf ("%% Unknown object of type %s, trace is incomplete.", + _get_type (op_type)->name); + } + _error = TRUE; + return -1; + } + + return obj->token; +} + +static cairo_bool_t +_has_id (enum operand_type op_type, const void *ptr) +{ + return _get_object (op_type, ptr) != NULL; +} + +static long +_create_font_face_id (cairo_font_face_t *font_face) +{ + Object *obj; + + obj = _get_object (FONT_FACE, font_face); + if (obj == NULL) { + obj = _type_object_create (FONT_FACE, font_face); + DLCALL (cairo_font_face_set_user_data, + font_face, &destroy_key, obj, _object_undef); + } + + return obj->token; +} + +static long +_get_font_face_id (cairo_font_face_t *font_face) +{ + return _get_id (FONT_FACE, font_face); +} + +static void +_emit_font_face_id (cairo_font_face_t *font_face) +{ + Object *obj = _get_object (FONT_FACE, font_face); + if (obj == NULL) { + _trace_printf ("null "); + } else { + if (obj->defined) { + _trace_printf ("f%ld ", obj->token); + } else { + _trace_printf ("%d index ", current_stack_depth - obj->operand - 1); + } + } +} + +static cairo_bool_t +_has_pattern_id (cairo_pattern_t *pattern) +{ + return _has_id (PATTERN, pattern); +} + +static long +_create_pattern_id (cairo_pattern_t *pattern) +{ + Object *obj; + + obj = _get_object (PATTERN, pattern); + if (obj == NULL) { + obj = _type_object_create (PATTERN, pattern); + DLCALL (cairo_pattern_set_user_data, + pattern, &destroy_key, obj, _object_undef); + } + + return obj->token; +} + +static void +_emit_pattern_id (cairo_pattern_t *pattern) +{ + Object *obj = _get_object (PATTERN, pattern); + if (obj == NULL) { + _trace_printf ("null "); + } else { + if (obj->defined) { + _trace_printf ("p%ld ", obj->token); + } else { + _trace_printf ("%d index ", + current_stack_depth - obj->operand - 1); + } + } +} + +static void +_emit_scaled_font_id (const cairo_scaled_font_t *scaled_font) +{ + Object *obj = _get_object (SCALED_FONT, scaled_font); + if (obj == NULL) { + _trace_printf ("null "); + } else { + if (obj->defined) { + _trace_printf ("sf%ld ", obj->token); + } else { + _trace_printf ("%d index ", + current_stack_depth - obj->operand - 1); + } + } +} + +static long +_create_scaled_font_id (cairo_scaled_font_t *font) +{ + Object *obj; + + assert(_get_object (SCALED_FONT, font) == NULL); + obj = _type_object_create (SCALED_FONT, font); + DLCALL (cairo_scaled_font_set_user_data, + font, &destroy_key, obj, _object_undef); + + return obj->token; +} + +static cairo_bool_t +_has_scaled_font_id (const cairo_scaled_font_t *font) +{ + return _has_id (SCALED_FONT, font); +} + +static Object * +_create_surface (cairo_surface_t *surface) +{ + Object *obj; + + obj = _get_object (SURFACE, surface); + if (obj == NULL) { + obj = _type_object_create (SURFACE, surface); + DLCALL (cairo_surface_set_user_data, + surface, &destroy_key, obj, _object_undef); + } + + return obj; +} + +static long +_get_surface_id (cairo_surface_t *surface) +{ + return _get_id (SURFACE, surface); +} + +static cairo_bool_t +_matrix_is_identity (const cairo_matrix_t *m) +{ + return m->xx == 1. && m->yx == 0. && + m->xy == 0. && m->yy == 1. && + m->x0 == 0. && m->y0 == 0.; +} + +#define BUFFER_SIZE 16384 +struct _data_stream { + z_stream zlib_stream; + unsigned char zin_buf[BUFFER_SIZE]; + unsigned char zout_buf[BUFFER_SIZE]; + unsigned char four_tuple[4]; + int base85_pending; +}; + +static void +_write_zlib_data_start (struct _data_stream *stream) +{ + stream->zlib_stream.zalloc = Z_NULL; + stream->zlib_stream.zfree = Z_NULL; + stream->zlib_stream.opaque = Z_NULL; + + deflateInit (&stream->zlib_stream, Z_DEFAULT_COMPRESSION); + + stream->zlib_stream.next_in = stream->zin_buf; + stream->zlib_stream.avail_in = 0; + stream->zlib_stream.next_out = stream->zout_buf; + stream->zlib_stream.avail_out = BUFFER_SIZE; +} + +static void +_write_base85_data_start (struct _data_stream *stream) +{ + stream->base85_pending = 0; +} + +static cairo_bool_t +_expand_four_tuple_to_five (unsigned char four_tuple[4], + unsigned char five_tuple[5]) +{ + uint32_t value; + int digit, i; + cairo_bool_t all_zero = TRUE; + + value = four_tuple[0] << 24 | + four_tuple[1] << 16 | + four_tuple[2] << 8 | + four_tuple[3] << 0; + for (i = 0; i < 5; i++) { + digit = value % 85; + if (digit != 0 && all_zero) + all_zero = FALSE; + five_tuple[4-i] = digit + 33; + value = value / 85; + } + + return all_zero; +} + +static void +_write_base85_data (struct _data_stream *stream, + const unsigned char *data, + unsigned long length) +{ + unsigned char five_tuple[5]; + int ret; + + assert (_should_trace ()); + + while (length--) { + stream->four_tuple[stream->base85_pending++] = *data++; + if (stream->base85_pending == 4) { + if (_expand_four_tuple_to_five (stream->four_tuple, five_tuple)) + ret = fwrite ("z", 1, 1, logfile); + else + ret = fwrite (five_tuple, 5, 1, logfile); + (void)ret; + stream->base85_pending = 0; + } + } +} + +static void +_write_zlib_data (struct _data_stream *stream, cairo_bool_t flush) +{ + cairo_bool_t finished; + + do { + int ret = deflate (&stream->zlib_stream, flush ? Z_FINISH : Z_NO_FLUSH); + if (flush || stream->zlib_stream.avail_out == 0) { + _write_base85_data (stream, + stream->zout_buf, + BUFFER_SIZE - stream->zlib_stream.avail_out); + stream->zlib_stream.next_out = stream->zout_buf; + stream->zlib_stream.avail_out = BUFFER_SIZE; + } + + finished = TRUE; + if (stream->zlib_stream.avail_in != 0) + finished = FALSE; + if (flush && ret != Z_STREAM_END) + finished = FALSE; + } while (! finished); + + stream->zlib_stream.next_in = stream->zin_buf; +} + +static void +_write_data_start (struct _data_stream *stream, uint32_t len) +{ + _write_zlib_data_start (stream); + _write_base85_data_start (stream); + + _trace_printf ("<|"); + len = to_be32 (len); + _write_base85_data (stream, (unsigned char *) &len, sizeof (len)); +} + +static void +_write_data (struct _data_stream *stream, + const void *data, + unsigned int length) +{ + unsigned int count; + const unsigned char *p = data; + + while (length) { + count = length; + if (count > BUFFER_SIZE - stream->zlib_stream.avail_in) + count = BUFFER_SIZE - stream->zlib_stream.avail_in; + memcpy (stream->zin_buf + stream->zlib_stream.avail_in, p, count); + p += count; + stream->zlib_stream.avail_in += count; + length -= count; + + if (stream->zlib_stream.avail_in == BUFFER_SIZE) + _write_zlib_data (stream, FALSE); + } +} + +static void +_write_zlib_data_end (struct _data_stream *stream) +{ + _write_zlib_data (stream, TRUE); + deflateEnd (&stream->zlib_stream); + +} + +static void +_write_base85_data_end (struct _data_stream *stream) +{ + unsigned char five_tuple[5]; + int ret; + + assert (_should_trace ()); + + if (stream->base85_pending) { + memset (stream->four_tuple + stream->base85_pending, + 0, 4 - stream->base85_pending); + _expand_four_tuple_to_five (stream->four_tuple, five_tuple); + ret = fwrite (five_tuple, stream->base85_pending+1, 1, logfile); + (void) ret; + } +} + +static void +_write_data_end (struct _data_stream *stream) +{ + _write_zlib_data_end (stream); + _write_base85_data_end (stream); + + _trace_printf ("~>"); +} + +static void +_emit_data (const void *data, unsigned int length) +{ + struct _data_stream stream; + + _write_data_start (&stream, length); + _write_data (&stream, data, length); + _write_data_end (&stream); +} + +static const char * +_format_to_string (cairo_format_t format) +{ +#define f(name) case CAIRO_FORMAT_ ## name: return #name + switch (format) { + f(INVALID); + f(ARGB32); + f(RGB30); + f(RGB24); + f(RGB16_565); + f(A8); + f(A1); + } +#undef f + return "UNKNOWN_FORMAT"; +} + +static const char * +_format_to_content_string (cairo_format_t format) +{ + switch (format) { + case CAIRO_FORMAT_INVALID: + return "INVALID"; + case CAIRO_FORMAT_ARGB32: + return "COLOR_ALPHA"; + case CAIRO_FORMAT_RGB30: + case CAIRO_FORMAT_RGB24: + case CAIRO_FORMAT_RGB16_565: + return "COLOR"; + case CAIRO_FORMAT_A8: + case CAIRO_FORMAT_A1: + return "ALPHA"; + } + return "UNKNOWN"; +} + +static const char * +_status_to_string (cairo_status_t status) +{ +#define f(name) case CAIRO_STATUS_ ## name: return "STATUS_" #name + switch (status) { + f(SUCCESS); + f(NO_MEMORY); + f(INVALID_RESTORE); + f(INVALID_POP_GROUP); + f(NO_CURRENT_POINT); + f(INVALID_MATRIX); + f(INVALID_STATUS); + f(NULL_POINTER); + f(INVALID_STRING); + f(INVALID_PATH_DATA); + f(READ_ERROR); + f(WRITE_ERROR); + f(SURFACE_FINISHED); + f(SURFACE_TYPE_MISMATCH); + f(PATTERN_TYPE_MISMATCH); + f(INVALID_CONTENT); + f(INVALID_FORMAT); + f(INVALID_VISUAL); + f(FILE_NOT_FOUND); + f(INVALID_DASH); + f(INVALID_DSC_COMMENT); + f(INVALID_INDEX); + f(CLIP_NOT_REPRESENTABLE); + f(TEMP_FILE_ERROR); + f(INVALID_STRIDE); + f(FONT_TYPE_MISMATCH); + f(USER_FONT_IMMUTABLE); + f(USER_FONT_ERROR); + f(NEGATIVE_COUNT); + f(INVALID_CLUSTERS); + f(INVALID_SLANT); + f(INVALID_WEIGHT); + f(INVALID_SIZE); + f(USER_FONT_NOT_IMPLEMENTED); + f(DEVICE_TYPE_MISMATCH); + f(DEVICE_ERROR); + f(INVALID_MESH_CONSTRUCTION); + f(DEVICE_FINISHED); + f(JBIG2_GLOBAL_MISSING); + f(PNG_ERROR); + f(FREETYPE_ERROR); + f(WIN32_GDI_ERROR); + f(TAG_ERROR); + case CAIRO_STATUS_LAST_STATUS: + break; + } + return "UNKNOWN_STATUS"; +#undef f +} + +static void CAIRO_PRINTF_FORMAT(2, 3) +_emit_image (cairo_surface_t *image, + const char *info, + ...) +{ + int stride, row, width, height; + uint32_t len; + cairo_format_t format; + uint8_t row_stack[BUFFER_SIZE]; + uint8_t *rowdata; + uint8_t *data; + struct _data_stream stream; + cairo_status_t status; + + status = DLCALL (cairo_surface_status, image); + if (status) { + _trace_printf ("<< /status //%s >> image", + _status_to_string (status)); + return; + } + + width = DLCALL (cairo_image_surface_get_width, image); + height = DLCALL (cairo_image_surface_get_height, image); + stride = DLCALL (cairo_image_surface_get_stride, image); + format = DLCALL (cairo_image_surface_get_format, image); + data = DLCALL (cairo_image_surface_get_data, image); + + _trace_printf ("dict\n" + " /width %d set\n" + " /height %d set\n" + " /format //%s set\n", + width, height, + _format_to_string (format)); + if (info != NULL) { + va_list ap; + + va_start (ap, info); + _trace_vprintf (info, ap); + va_end (ap); + } + + if (DLCALL (cairo_version) >= CAIRO_VERSION_ENCODE (1, 9, 0)) { + const char *mime_types[] = { + CAIRO_MIME_TYPE_JPEG, + CAIRO_MIME_TYPE_JP2, + CAIRO_MIME_TYPE_PNG, + NULL + }, **mime_type; + + for (mime_type = mime_types; *mime_type; mime_type++) { + const unsigned char *mime_data; + unsigned long mime_length; + + DLCALL (cairo_surface_get_mime_data, + image, *mime_type, &mime_data, &mime_length); + if (mime_data != NULL) { + _trace_printf (" /mime-type (%s) set\n" + " /source <~", + *mime_type); + _write_base85_data_start (&stream); + _write_base85_data (&stream, mime_data, mime_length); + _write_base85_data_end (&stream); + _trace_printf ("~> set\n" + " image"); + return; + } + } + } + + switch (format) { + case CAIRO_FORMAT_A1: len = (width + 7)/8; break; + case CAIRO_FORMAT_A8: len = width; break; + case CAIRO_FORMAT_RGB16_565: len = 2*width; break; + case CAIRO_FORMAT_RGB24: len = 3*width; break; + default: + case CAIRO_FORMAT_RGB30: + case CAIRO_FORMAT_INVALID: + case CAIRO_FORMAT_ARGB32: len = 4*width; break; + } + + _trace_printf (" /source "); + _write_data_start (&stream, len * height); + +#ifdef WORDS_BIGENDIAN + switch (format) { + case CAIRO_FORMAT_A1: + for (row = height; row--; ) { + _write_data (&stream, data, (width+7)/8); + data += stride; + } + break; + case CAIRO_FORMAT_A8: + for (row = height; row--; ) { + _write_data (&stream, data, width); + data += stride; + } + break; + case CAIRO_FORMAT_RGB16_565: + for (row = height; row--; ) { + _write_data (&stream, data, 2*width); + data += stride; + } + break; + case CAIRO_FORMAT_RGB24: + for (row = height; row--; ) { + int col; + rowdata = data; + for (col = width; col--; ) { + _write_data (&stream, rowdata, 3); + rowdata+=4; + } + data += stride; + } + break; + case CAIRO_FORMAT_RGB30: + case CAIRO_FORMAT_ARGB32: + for (row = height; row--; ) { + _write_data (&stream, data, 4*width); + data += stride; + } + break; + case CAIRO_FORMAT_INVALID: + default: + break; + } +#else + if (stride > ARRAY_LENGTH (row_stack)) { + rowdata = malloc (stride); + if (rowdata == NULL) + goto BAIL; + } else + rowdata = row_stack; + + switch (format) { + case CAIRO_FORMAT_A1: + for (row = height; row--; ) { + int col; + for (col = 0; col < (width + 7)/8; col++) + rowdata[col] = CAIRO_BITSWAP8 (data[col]); + _write_data (&stream, rowdata, (width+7)/8); + data += stride; + } + break; + case CAIRO_FORMAT_A8: + for (row = height; row--; ) { + _write_data (&stream, rowdata, width); + data += stride; + } + break; + case CAIRO_FORMAT_RGB16_565: /* XXX endianness */ + for (row = height; row--; ) { + uint16_t *src = (uint16_t *) data; + uint16_t *dst = (uint16_t *)rowdata; + int col; + for (col = 0; col < width; col++) + dst[col] = bswap_16 (src[col]); + _write_data (&stream, rowdata, 2*width); + data += stride; + } + break; + case CAIRO_FORMAT_RGB24: + for (row = height; row--; ) { + uint8_t *src = data; + int col; + for (col = 0; col < width; col++) { + rowdata[3*col+2] = *src++; + rowdata[3*col+1] = *src++; + rowdata[3*col+0] = *src++; + src++; + } + _write_data (&stream, rowdata, 3*width); + data += stride; + } + break; + case CAIRO_FORMAT_RGB30: + case CAIRO_FORMAT_ARGB32: + for (row = height; row--; ) { + uint32_t *src = (uint32_t *) data; + uint32_t *dst = (uint32_t *) rowdata; + int col; + for (col = 0; col < width; col++) + dst[col] = bswap_32 (src[col]); + _write_data (&stream, rowdata, 4*width); + data += stride; + } + break; + case CAIRO_FORMAT_INVALID: + default: + break; + } + if (rowdata != row_stack) + free (rowdata); + +BAIL: + _write_data_end (&stream); +#endif + _trace_printf (" set\n image"); +} + +static void +_encode_string_literal (char *out, int max, + const char *utf8, int len) +{ + char c; + const char *end; + + *out++ = '('; + max--; + + if (utf8 == NULL) + goto DONE; + + if (len < 0) + len = strlen (utf8); + end = utf8 + len; + + while (utf8 < end) { + if (max < 5) + break; + + switch ((c = *utf8++)) { + case '\n': + *out++ = '\\'; + *out++ = 'n'; + max -= 2; + break; + case '\r': + *out++ = '\\'; + *out++ = 'r'; + max -= 2; + case '\t': + *out++ = '\\'; + *out++ = 't'; + max -= 2; + break; + case '\b': + *out++ = '\\'; + *out++ = 'b'; + max -= 2; + break; + case '\f': + *out++ = '\\'; + *out++ = 'f'; + max -= 2; + break; + case '\\': + case '(': + case ')': + *out++ = '\\'; + *out++ = c; + max -= 2; + break; + default: + if (isprint (c) || isspace (c)) { + *out++ = c; + } else { + int octal = 0; + while (c) { + octal *= 10; + octal += c&7; + c /= 8; + } + octal = snprintf (out, max, "\\%03d", octal); + out += octal; + max -= octal; + } + break; + } + } +DONE: + *out++ = ')'; + *out = '\0'; +} + +static void +to_octal (int value, char *buf, size_t size) +{ + do { + buf[--size] = '0' + (value & 7); + value >>= 3; + } while (size); +} + +static void +_emit_string_literal (const char *utf8, int len) +{ + char c; + const char *end; + + if (utf8 == NULL) { + _trace_printf ("()"); + return; + } + + if (len < 0) + len = strlen (utf8); + end = utf8 + len; + + _trace_printf ("("); + while (utf8 < end) { + switch ((c = *utf8++)) { + case '\n': + c = 'n'; + goto ESCAPED_CHAR; + case '\r': + c = 'r'; + goto ESCAPED_CHAR; + case '\t': + c = 't'; + goto ESCAPED_CHAR; + case '\b': + c = 'b'; + goto ESCAPED_CHAR; + case '\f': + c = 'f'; + goto ESCAPED_CHAR; + case '\\': + case '(': + case ')': +ESCAPED_CHAR: + _trace_printf ("\\%c", c); + break; + default: + if (isprint (c) || isspace (c)) { + _trace_printf ("%c", c); + } else { + char buf[4] = { '\\' }; + int ret_ignored; + + to_octal (c, buf+1, 3); + ret_ignored = fwrite (buf, 4, 1, logfile); + (void)ret_ignored; + } + break; + } + } + _trace_printf (")"); +} + +static void +_emit_current (Object *obj) +{ + if (obj != NULL && ! _pop_operands_to_object (obj)) { + if (obj->operand != -1) { + int n; + + _trace_printf ("%d -1 roll %% %s%ld\n", + current_stack_depth - obj->operand, + obj->type->op_code, obj->token); + + for (n = obj->operand; n < current_stack_depth - 1; n++) { + current_object[n] = current_object[n+1]; + current_object[n]->operand = n; + } + obj->operand = -1; + current_stack_depth--; + } else { + assert(obj->defined); + _trace_printf ("%s%ld\n", obj->type->op_code, obj->token); + } + + _push_object (obj); + dump_stack(__func__); + } +} + +static void +_emit_context (cairo_t *cr) +{ + _emit_current (_get_object (CONTEXT, cr)); +} + +static void +_emit_pattern (cairo_pattern_t *pattern) +{ + _emit_current (_get_object (PATTERN, pattern)); +} + +static void +_emit_surface (cairo_surface_t *surface) +{ + _emit_current (_get_object (SURFACE, surface)); +} + +static void CAIRO_PRINTF_FORMAT(2, 3) +_emit_cairo_op (cairo_t *cr, const char *fmt, ...) +{ + va_list ap; + + if (cr == NULL || ! _write_lock ()) + return; + + _emit_context (cr); + + va_start (ap, fmt); + _trace_vprintf ( fmt, ap); + va_end (ap); + + _write_unlock (); +} + +cairo_t * +cairo_create (cairo_surface_t *target) +{ + cairo_t *ret; + long surface_id; + long context_id; + + _enter_trace (); + + ret = DLCALL (cairo_create, target); + context_id = _create_context_id (ret); + + _emit_line_info (); + if (target != NULL && _write_lock ()) { + surface_id = _get_surface_id (target); + if (surface_id != -1) { + _get_object (SURFACE, target)->foreign = FALSE; + + /* we presume that we will continue to use the context */ + if (_pop_operands_to (SURFACE, target)){ + _consume_operand (false); + } else { + _trace_printf ("s%ld ", surface_id); + } + _trace_printf ("context %% c%ld\n", context_id); + _push_operand (CONTEXT, ret); + dump_stack(__func__); + } + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +void +cairo_save (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "save\n"); + DLCALL (cairo_save, cr); + _exit_trace (); +} + +void +cairo_restore (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "restore\n"); + DLCALL (cairo_restore, cr); + _exit_trace (); +} + +void +cairo_push_group (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "//COLOR_ALPHA push-group\n"); + DLCALL (cairo_push_group, cr); + _exit_trace (); +} + +static const char * +_content_to_string (cairo_content_t content) +{ + switch (content) { + case CAIRO_CONTENT_ALPHA: return "ALPHA"; + case CAIRO_CONTENT_COLOR: return "COLOR"; + default: + case CAIRO_CONTENT_COLOR_ALPHA: return "COLOR_ALPHA"; + } +} + +void +cairo_push_group_with_content (cairo_t *cr, cairo_content_t content) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "//%s push-group\n", _content_to_string (content)); + DLCALL (cairo_push_group_with_content, cr, content); + _exit_trace (); +} + +cairo_pattern_t * +cairo_pop_group (cairo_t *cr) +{ + cairo_pattern_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_pop_group, cr); + + _emit_line_info (); + _emit_cairo_op (cr, "pop-group %% p%ld\n", _create_pattern_id (ret)); + _push_operand (PATTERN, ret); + dump_stack(__func__); + + _exit_trace (); + return ret; +} + +void +cairo_pop_group_to_source (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "pop-group set-source\n"); + DLCALL (cairo_pop_group_to_source, cr); + _exit_trace (); +} + +static const char * +_operator_to_string (cairo_operator_t op) +{ +#define f(name) case CAIRO_OPERATOR_ ## name: return #name + switch (op) { + f(OVER); + f(SOURCE); + f(CLEAR); + f(IN); + f(OUT); + f(ATOP); + f(DEST); + f(DEST_OVER); + f(DEST_IN); + f(DEST_OUT); + f(DEST_ATOP); + f(XOR); + f(ADD); + f(SATURATE); + f(MULTIPLY); + f(SCREEN); + f(OVERLAY); + f(DARKEN); + f(LIGHTEN); + case CAIRO_OPERATOR_COLOR_DODGE: return "DODGE"; + case CAIRO_OPERATOR_COLOR_BURN: return "BURN"; + f(HARD_LIGHT); + f(SOFT_LIGHT); + f(DIFFERENCE); + f(EXCLUSION); + f(HSL_HUE); + f(HSL_SATURATION); + f(HSL_COLOR); + f(HSL_LUMINOSITY); + } +#undef f + return "UNKNOWN_OPERATOR"; +} + +void +cairo_set_operator (cairo_t *cr, cairo_operator_t op) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "//%s set-operator\n", _operator_to_string (op)); + DLCALL (cairo_set_operator, cr, op); + _exit_trace (); +} + +void +cairo_set_source_rgb (cairo_t *cr, double red, double green, double blue) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "%g %g %g set-source-rgb\n", red, green, blue); + DLCALL (cairo_set_source_rgb, cr, red, green, blue); + _exit_trace (); +} + +void +cairo_set_source_rgba (cairo_t *cr, double red, double green, double blue, double alpha) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "%g %g %g %g set-source-rgba\n", + red, green, blue, alpha); + DLCALL (cairo_set_source_rgba, cr, red, green, blue, alpha); + _exit_trace (); +} + +static void +_emit_source_image (cairo_surface_t *surface) +{ + Object *obj; + cairo_surface_t *image; + cairo_t *cr; + + obj = _get_object (SURFACE, surface); + if (obj == NULL) + return; + + image = DLCALL (cairo_image_surface_create, + CAIRO_FORMAT_ARGB32, + obj->width, + obj->height); + cr = DLCALL (cairo_create, image); + DLCALL (cairo_set_source_surface, cr, surface, 0, 0); + DLCALL (cairo_paint, cr); + DLCALL (cairo_destroy, cr); + + _emit_image (image, NULL); + _trace_printf (" set-source-image "); + DLCALL (cairo_surface_destroy, image); + + obj->foreign = FALSE; +} + +static void +_emit_source_image_rectangle (cairo_surface_t *surface, + int x, int y, + int width, int height) +{ + Object *obj; + cairo_surface_t *image; + cairo_t *cr; + + obj = _get_object (SURFACE, surface); + if (obj == NULL) + return; + + if (obj->foreign) { + _emit_source_image (surface); + return; + } + + image = DLCALL (cairo_image_surface_create, + CAIRO_FORMAT_ARGB32, + width, + height); + cr = DLCALL (cairo_create, image); + DLCALL (cairo_set_source_surface, cr, surface, x, y); + DLCALL (cairo_paint, cr); + DLCALL (cairo_destroy, cr); + + _emit_image (image, NULL); + _trace_printf (" %d %d set-device-offset set-source-image ", + x, y); + DLCALL (cairo_surface_destroy, image); +} + +void +cairo_set_source_surface (cairo_t *cr, cairo_surface_t *surface, double x, double y) +{ + _enter_trace (); + _emit_line_info (); + if (cr != NULL && surface != NULL && _write_lock ()) { + Object *obj = _get_object (SURFACE, surface); + + if (_is_current (SURFACE, surface, 0) && + _is_current (CONTEXT, cr, 1)) + { + _consume_operand (false); + } + else if (_is_current (SURFACE, surface, 1) && + _is_current (CONTEXT, cr, 0) && + obj->defined) + { + _trace_printf ("exch "); + _exch_operands (); + _consume_operand (false); + } else if (obj->defined) { + _emit_context (cr); + _trace_printf ("s%ld ", obj->token); + } else { + _emit_context (cr); + _trace_printf ("%d index ", + current_stack_depth - obj->operand - 1); + } + + if (obj->foreign) + _emit_source_image (surface); + + _trace_printf ("pattern"); + if (x != 0. || y != 0.) + _trace_printf (" %g %g translate", -x, -y); + + _trace_printf (" set-source\n"); + _write_unlock (); + } + + DLCALL (cairo_set_source_surface, cr, surface, x, y); + _exit_trace (); +} + +void +cairo_set_source (cairo_t *cr, cairo_pattern_t *source) +{ + _enter_trace (); + _emit_line_info (); + if (cr != NULL && source != NULL && _write_lock ()) { + Object *obj = _get_object (PATTERN, source); + cairo_bool_t need_context_and_pattern = TRUE; + + if (_is_current (PATTERN, source, 0) && + _is_current (CONTEXT, cr, 1)) + { + if (obj->defined) { + _consume_operand (false); + } else { + _trace_printf ("exch 1 index "); + _exch_operands (); + } + need_context_and_pattern = FALSE; + } + else if (_is_current (PATTERN, source, 1) && + _is_current (CONTEXT, cr, 0)) + { + if (obj->defined) { + _trace_printf ("exch "); + _exch_operands (); + _consume_operand (false); + need_context_and_pattern = FALSE; + } + } + + if (need_context_and_pattern) { + _emit_context (cr); + _emit_pattern_id (source); + } + + _trace_printf ("set-source %% p%ld\n", obj->token); + _write_unlock (); + } + + DLCALL (cairo_set_source, cr, source); + _exit_trace (); +} + +cairo_pattern_t * +cairo_get_source (cairo_t *cr) +{ + cairo_pattern_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_get_source, cr); + + if (! _has_pattern_id (ret)) { + _emit_cairo_op (cr, "/source get /p%ld exch def\n", + _create_pattern_id (ret)); + _get_object (PATTERN, ret)->defined = TRUE; + } + + _exit_trace (); + return ret; +} + +void +cairo_set_tolerance (cairo_t *cr, double tolerance) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "%g set-tolerance\n", tolerance); + DLCALL (cairo_set_tolerance, cr, tolerance); + _exit_trace (); +} + +static const char * +_antialias_to_string (cairo_antialias_t antialias) +{ +#define f(name) case CAIRO_ANTIALIAS_ ## name: return "ANTIALIAS_" #name + switch (antialias) { + f(DEFAULT); + + f(NONE); + f(GRAY); + f(SUBPIXEL); + + f(FAST); + f(GOOD); + f(BEST); + }; +#undef f + return "UNKNOWN_ANTIALIAS"; +} + +void +cairo_set_antialias (cairo_t *cr, cairo_antialias_t antialias) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, + "//%s set-antialias\n", _antialias_to_string (antialias)); + DLCALL (cairo_set_antialias, cr, antialias); + _exit_trace (); +} + +static const char * +_fill_rule_to_string (cairo_fill_rule_t rule) +{ +#define f(name) case CAIRO_FILL_RULE_ ## name: return #name + switch (rule) { + f(WINDING); + f(EVEN_ODD); + }; +#undef f + return "UNKNOWN_FILL_RULE"; +} + +void +cairo_set_fill_rule (cairo_t *cr, cairo_fill_rule_t fill_rule) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, + "//%s set-fill-rule\n", _fill_rule_to_string (fill_rule)); + DLCALL (cairo_set_fill_rule, cr, fill_rule); + _exit_trace (); +} + +void +cairo_set_line_width (cairo_t *cr, double width) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "%g set-line-width\n", width); + DLCALL (cairo_set_line_width, cr, width); + _exit_trace (); +} + +static const char * +_line_cap_to_string (cairo_line_cap_t line_cap) +{ +#define f(name) case CAIRO_LINE_CAP_ ## name: return "LINE_CAP_" #name + switch (line_cap) { + f(BUTT); + f(ROUND); + f(SQUARE); + }; +#undef f + return "UNKNOWN_LINE_CAP"; +} + +void +cairo_set_line_cap (cairo_t *cr, cairo_line_cap_t line_cap) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "//%s set-line-cap\n", _line_cap_to_string (line_cap)); + DLCALL (cairo_set_line_cap, cr, line_cap); + _exit_trace (); +} + +static const char * +_line_join_to_string (cairo_line_join_t line_join) +{ +#define f(name) case CAIRO_LINE_JOIN_ ## name: return "LINE_JOIN_" #name + switch (line_join) { + f(MITER); + f(ROUND); + f(BEVEL); + }; +#undef f + return "UNKNOWN_LINE_JOIN"; +} + +void +cairo_set_line_join (cairo_t *cr, cairo_line_join_t line_join) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, + "//%s set-line-join\n", _line_join_to_string (line_join)); + DLCALL (cairo_set_line_join, cr, line_join); + _exit_trace (); +} + +void +cairo_set_dash (cairo_t *cr, const double *dashes, int num_dashes, double offset) +{ + _enter_trace (); + _emit_line_info (); + if (cr != NULL && _write_lock ()) { + int n; + + _emit_context (cr); + + _trace_printf ("["); + for (n = 0; n < num_dashes; n++) { + if (n != 0) + _trace_printf (" "); + _trace_printf ("%g", dashes[n]); + } + _trace_printf ("] %g set-dash\n", offset); + + _write_unlock (); + } + + DLCALL (cairo_set_dash, cr, dashes, num_dashes, offset); + _exit_trace (); +} + +void +cairo_set_miter_limit (cairo_t *cr, double limit) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "%g set-miter-limit\n", limit); + DLCALL (cairo_set_miter_limit, cr, limit); + _exit_trace (); +} + +void +cairo_translate (cairo_t *cr, double tx, double ty) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "%g %g translate\n", tx, ty); + DLCALL (cairo_translate, cr, tx, ty); + _exit_trace (); +} + +void +cairo_scale (cairo_t *cr, double sx, double sy) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "%g %g scale\n", sx, sy); + DLCALL (cairo_scale, cr, sx, sy); + _exit_trace (); +} + +void +cairo_rotate (cairo_t *cr, double angle) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "%g rotate\n", angle); + DLCALL (cairo_rotate, cr, angle); + _exit_trace (); +} + +void +cairo_transform (cairo_t *cr, const cairo_matrix_t *matrix) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "%g %g %g %g %g %g matrix transform\n", + matrix->xx, matrix->yx, + matrix->xy, matrix->yy, + matrix->x0, matrix->y0); + DLCALL (cairo_transform, cr, matrix); + _exit_trace (); +} + +void +cairo_set_matrix (cairo_t *cr, const cairo_matrix_t *matrix) +{ + _enter_trace (); + _emit_line_info (); + if (_matrix_is_identity (matrix)) { + _emit_cairo_op (cr, "identity set-matrix\n"); + } else { + _emit_cairo_op (cr, "%g %g %g %g %g %g matrix set-matrix\n", + matrix->xx, matrix->yx, + matrix->xy, matrix->yy, + matrix->x0, matrix->y0); + } + DLCALL (cairo_set_matrix, cr, matrix); + _exit_trace (); +} + +cairo_surface_t * +cairo_get_target (cairo_t *cr) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_get_target, cr); + if (cr != NULL) { + Object *obj = _create_surface (ret); + + if (! obj->defined) { + _emit_cairo_op (cr, + "/target get /s%ld exch def\n", + obj->token); + obj->defined = TRUE; + } + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +cairo_get_group_target (cairo_t *cr) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_get_group_target, cr); + if (cr != NULL) { + Object *obj = _create_surface (ret); + + if (! obj->defined) { + _emit_cairo_op (cr, + "/group-target get /s%ld exch def\n", + obj->token); + obj->defined = TRUE; + } + } + + _exit_trace (); + return ret; +} + +void +cairo_identity_matrix (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "identity set-matrix\n"); + DLCALL (cairo_identity_matrix, cr); + _exit_trace (); +} + +void +cairo_new_path (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "n "); + DLCALL (cairo_new_path, cr); + _exit_trace (); +} + +void +cairo_move_to (cairo_t *cr, double x, double y) +{ + _enter_trace (); + _emit_cairo_op (cr, "%g %g m ", x, y); + DLCALL (cairo_move_to, cr, x, y); + _exit_trace (); +} + +void +cairo_new_sub_path (cairo_t *cr) +{ + _enter_trace (); + _emit_cairo_op (cr, "N "); + DLCALL (cairo_new_sub_path, cr); + _exit_trace (); +} + +void +cairo_line_to (cairo_t *cr, double x, double y) +{ + _enter_trace (); + _emit_cairo_op (cr, "%g %g l ", x, y); + DLCALL (cairo_line_to, cr, x, y); + _exit_trace (); +} + +void +cairo_curve_to (cairo_t *cr, double x1, double y1, double x2, double y2, double x3, double y3) +{ + _enter_trace (); + _emit_cairo_op (cr, "%g %g %g %g %g %g c ", x1, y1, x2, y2, x3, y3); + DLCALL (cairo_curve_to, cr, x1, y1, x2, y2, x3, y3); + _exit_trace (); +} + +void +cairo_arc (cairo_t *cr, double xc, double yc, double radius, double angle1, double angle2) +{ + _enter_trace (); + _emit_cairo_op (cr, "%g %g %g %g %g arc\n", xc, yc, radius, angle1, angle2); + DLCALL (cairo_arc, cr, xc, yc, radius, angle1, angle2); + _exit_trace (); +} + +void +cairo_arc_negative (cairo_t *cr, double xc, double yc, double radius, double angle1, double angle2) +{ + _enter_trace (); + _emit_cairo_op (cr, "%g %g %g %g %g arc-\n", + xc, yc, radius, angle1, angle2); + DLCALL (cairo_arc_negative, cr, xc, yc, radius, angle1, angle2); + _exit_trace (); +} + +void +cairo_rel_move_to (cairo_t *cr, double dx, double dy) +{ + _enter_trace (); + _emit_cairo_op (cr, "%g %g M ", dx, dy); + DLCALL (cairo_rel_move_to, cr, dx, dy); + _exit_trace (); +} + +void +cairo_rel_line_to (cairo_t *cr, double dx, double dy) +{ + _enter_trace (); + _emit_cairo_op (cr, "%g %g L ", dx, dy); + DLCALL (cairo_rel_line_to, cr, dx, dy); + _exit_trace (); +} + +void +cairo_rel_curve_to (cairo_t *cr, double dx1, double dy1, double dx2, double dy2, double dx3, double dy3) +{ + _enter_trace (); + _emit_cairo_op (cr, "%g %g %g %g %g %g C ", + dx1, dy1, dx2, dy2, dx3, dy3); + DLCALL (cairo_rel_curve_to, cr, dx1, dy1, dx2, dy2, dx3, dy3); + _exit_trace (); +} + +void +cairo_rectangle (cairo_t *cr, double x, double y, double width, double height) +{ + _enter_trace (); + _emit_cairo_op (cr, "%g %g %g %g rectangle\n", x, y, width, height); + DLCALL (cairo_rectangle, cr, x, y, width, height); + _exit_trace (); +} + +void +cairo_close_path (cairo_t *cr) +{ + _enter_trace (); + _emit_cairo_op (cr, "h\n"); + DLCALL (cairo_close_path, cr); + _exit_trace (); +} + +void +cairo_paint (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "paint\n"); + DLCALL (cairo_paint, cr); + _exit_trace (); +} + +void +cairo_paint_with_alpha (cairo_t *cr, double alpha) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "%g paint-with-alpha\n", alpha); + DLCALL (cairo_paint_with_alpha, cr, alpha); + _exit_trace (); +} + +void +cairo_mask (cairo_t *cr, cairo_pattern_t *pattern) +{ + _enter_trace (); + _emit_line_info (); + if (cr != NULL && pattern != NULL && _write_lock ()) { + Object *obj = _get_object (PATTERN, pattern); + cairo_bool_t need_context_and_pattern = TRUE; + + if (_is_current (PATTERN, pattern, 0) && + _is_current (CONTEXT, cr, 1)) + { + if (obj->defined) { + _consume_operand (false); + need_context_and_pattern = FALSE; + } + } + else if (_is_current (PATTERN, pattern, 1) && + _is_current (CONTEXT, cr, 0)) + { + if (obj->defined) { + _trace_printf ("exch "); + _exch_operands (); + _consume_operand (false); + need_context_and_pattern = FALSE; + } + } + + if (need_context_and_pattern) { + _emit_context (cr); + _emit_pattern_id (pattern); + } + + _trace_printf (" mask\n"); + _write_unlock (); + } + DLCALL (cairo_mask, cr, pattern); + _exit_trace (); +} + +void +cairo_mask_surface (cairo_t *cr, cairo_surface_t *surface, double x, double y) +{ + _enter_trace (); + _emit_line_info (); + if (cr != NULL && surface != NULL && _write_lock ()) { + Object *obj = _get_object (SURFACE, surface); + if (_is_current (SURFACE, surface, 0) && + _is_current (CONTEXT, cr, 1)) + { + _consume_operand (false); + } + else if (_is_current (SURFACE, surface, 1) && + _is_current (CONTEXT, cr, 0)) + { + _trace_printf ("exch "); + _exch_operands (); + _consume_operand (false); + } else if (obj->defined){ + _emit_context (cr); + _trace_printf ("s%ld ", obj->token); + } else { + _emit_context (cr); + _trace_printf ("%d index ", + current_stack_depth - obj->operand - 1); + } + _trace_printf ("pattern"); + + if (x != 0. || y != 0.) + _trace_printf (" %g %g translate", -x, -y); + + _trace_printf (" mask\n"); + _write_unlock (); + } + + DLCALL (cairo_mask_surface, cr, surface, x, y); + _exit_trace (); +} + +void +cairo_stroke (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "stroke\n"); + DLCALL (cairo_stroke, cr); + _exit_trace (); +} + +void +cairo_stroke_preserve (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "stroke+\n"); + DLCALL (cairo_stroke_preserve, cr); + _exit_trace (); +} + +void +cairo_fill (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "fill\n"); + DLCALL (cairo_fill, cr); + _exit_trace (); +} + +void +cairo_fill_preserve (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "fill+\n"); + DLCALL (cairo_fill_preserve, cr); + _exit_trace (); +} + +void +cairo_copy_page (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "copy-page\n"); + DLCALL (cairo_copy_page, cr); + _exit_trace (); +} + +void +cairo_show_page (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "show-page\n"); + DLCALL (cairo_show_page, cr); + _exit_trace (); +} + +void +cairo_clip (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "clip\n"); + DLCALL (cairo_clip, cr); + _exit_trace (); +} + +void +cairo_clip_preserve (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "clip+\n"); + DLCALL (cairo_clip_preserve, cr); + _exit_trace (); +} + +void +cairo_reset_clip (cairo_t *cr) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "reset-clip\n"); + DLCALL (cairo_reset_clip, cr); + _exit_trace (); +} + + +static const char * +_slant_to_string (cairo_font_slant_t font_slant) +{ +#define f(name) case CAIRO_FONT_SLANT_ ## name: return "SLANT_" #name + switch (font_slant) { + f(NORMAL); + f(ITALIC); + f(OBLIQUE); + }; +#undef f + return "UNKNOWN_SLANT"; +} + +static const char * +_weight_to_string (cairo_font_weight_t font_weight) +{ +#define f(name) case CAIRO_FONT_WEIGHT_ ## name: return "WEIGHT_" #name + switch (font_weight) { + f(NORMAL); + f(BOLD); + }; +#undef f + return "UNKNOWN_WEIGHT"; +} + +void +cairo_select_font_face (cairo_t *cr, const char *family, cairo_font_slant_t slant, cairo_font_weight_t weight) +{ + _enter_trace (); + _emit_line_info (); + if (cr != NULL && _write_lock ()) { + _emit_context (cr); + _emit_string_literal (family, -1); + _trace_printf (" //%s //%s select-font-face\n", + _slant_to_string (slant), + _weight_to_string (weight)); + _write_unlock (); + } + DLCALL (cairo_select_font_face, cr, family, slant, weight); + _exit_trace (); +} + +cairo_font_face_t * +cairo_get_font_face (cairo_t *cr) +{ + cairo_font_face_t *ret; + long font_face_id; + + _enter_trace (); + + ret = DLCALL (cairo_get_font_face, cr); + font_face_id = _create_font_face_id (ret); + + _emit_cairo_op (cr, "/font-face get %% f%ld\n", font_face_id); + _push_operand (FONT_FACE, ret); + dump_stack(__func__); + + _exit_trace (); + return ret; +} + +void +cairo_set_font_face (cairo_t *cr, cairo_font_face_t *font_face) +{ + _enter_trace (); + _emit_line_info (); + if (cr != NULL && font_face != NULL && _write_lock ()) { + if (_is_current (FONT_FACE, font_face, 0) && + _is_current (CONTEXT, cr, 1)) + { + _consume_operand (false); + } + else if (_is_current (FONT_FACE, font_face, 1) && + _is_current (CONTEXT, cr, 0)) + { + _trace_printf ("exch "); + _exch_operands (); + _consume_operand (false); + } + else + { + _emit_context (cr); + _emit_font_face_id (font_face); + } + + _trace_printf ("set-font-face\n"); + _write_unlock (); + } + + DLCALL (cairo_set_font_face, cr, font_face); + _exit_trace (); +} + +void +cairo_set_font_size (cairo_t *cr, double size) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "%g set-font-size\n", size); + DLCALL (cairo_set_font_size, cr, size); + _exit_trace (); +} + +void +cairo_set_font_matrix (cairo_t *cr, const cairo_matrix_t *matrix) +{ + _enter_trace (); + _emit_line_info (); + _emit_cairo_op (cr, "%g %g %g %g %g %g matrix set-font-matrix\n", + matrix->xx, matrix->yx, + matrix->xy, matrix->yy, + matrix->x0, matrix->y0); + DLCALL (cairo_set_font_matrix, cr, matrix); + _exit_trace (); +} + +static const char * +_subpixel_order_to_string (cairo_subpixel_order_t subpixel_order) +{ +#define f(name) case CAIRO_SUBPIXEL_ORDER_ ## name: return "SUBPIXEL_ORDER_" #name + switch (subpixel_order) { + f(DEFAULT); + f(RGB); + f(BGR); + f(VRGB); + f(VBGR); + }; +#undef f + return "UNKNOWN_SUBPIXEL_ORDER"; +} + +static const char * +_hint_style_to_string (cairo_hint_style_t hint_style) +{ +#define f(name) case CAIRO_HINT_STYLE_ ## name: return "HINT_STYLE_" #name + switch (hint_style) { + f(DEFAULT); + f(NONE); + f(SLIGHT); + f(MEDIUM); + f(FULL); + }; +#undef f + return "UNKNOWN_HINT_STYLE"; +} + +static const char * +_hint_metrics_to_string (cairo_hint_metrics_t hint_metrics) +{ +#define f(name) case CAIRO_HINT_METRICS_ ## name: return "HINT_METRICS_" #name + switch (hint_metrics) { + f(DEFAULT); + f(OFF); + f(ON); + }; +#undef f + return "UNKNOWN_HINT_METRICS"; +} + +static void +_emit_font_options (const cairo_font_options_t *options) +{ + cairo_antialias_t antialias; + cairo_subpixel_order_t subpixel_order; + cairo_hint_style_t hint_style; + cairo_hint_metrics_t hint_metrics; + + _trace_printf ("<<"); + + antialias = DLCALL (cairo_font_options_get_antialias, options); + if (antialias != CAIRO_ANTIALIAS_DEFAULT) { + _trace_printf (" /antialias //%s", + _antialias_to_string (antialias)); + } + + subpixel_order = DLCALL (cairo_font_options_get_subpixel_order, options); + if (subpixel_order != CAIRO_SUBPIXEL_ORDER_DEFAULT) { + _trace_printf (" /subpixel-order //%s", + _subpixel_order_to_string (subpixel_order)); + } + + hint_style = DLCALL (cairo_font_options_get_hint_style, options); + if (hint_style != CAIRO_HINT_STYLE_DEFAULT) { + _trace_printf (" /hint-style //%s", + _hint_style_to_string (hint_style)); + } + + hint_metrics = DLCALL (cairo_font_options_get_hint_metrics, options); + if (hint_metrics != CAIRO_HINT_METRICS_DEFAULT) { + _trace_printf (" /hint-metrics //%s", + _hint_metrics_to_string (hint_metrics)); + } + + _trace_printf (" >>"); +} + +void +cairo_set_font_options (cairo_t *cr, const cairo_font_options_t *options) +{ + _enter_trace (); + _emit_line_info (); + if (cr != NULL && options != NULL && _write_lock ()) { + _emit_context (cr); + _emit_font_options (options); + _trace_printf (" set-font-options\n"); + _write_unlock (); + } + + DLCALL (cairo_set_font_options, cr, options); + _exit_trace (); +} + +cairo_scaled_font_t * +cairo_get_scaled_font (cairo_t *cr) +{ + cairo_scaled_font_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_get_scaled_font, cr); + + if (cr != NULL && ! _has_scaled_font_id (ret)) { + _emit_cairo_op (cr, "/scaled-font get /sf%ld exch def\n", + _create_scaled_font_id (ret)); + _get_object (SCALED_FONT, ret)->defined = TRUE; + } + + _exit_trace (); + return ret; +} + +void +cairo_set_scaled_font (cairo_t *cr, const cairo_scaled_font_t *scaled_font) +{ + _enter_trace (); + _emit_line_info (); + if (cr != NULL && scaled_font != NULL && _write_lock ()) { + Object *obj = _get_object (SCALED_FONT, scaled_font); + cairo_bool_t need_context_and_font = TRUE; + + if (_is_current (SCALED_FONT, scaled_font, 0) && + _is_current (CONTEXT, cr, 1)) + { + if (obj->defined) { + _consume_operand (false); + } else { + _trace_printf ("exch 1 index "); + _exch_operands (); + } + need_context_and_font = FALSE; + } + else if (_is_current (SCALED_FONT, scaled_font, 1) && + _is_current (CONTEXT, cr, 0)) + { + if (obj->defined) { + _trace_printf ("exch "); + _exch_operands (); + _consume_operand (false); + need_context_and_font = FALSE; + } + } + + if (need_context_and_font) { + _emit_context (cr); + _emit_scaled_font_id (scaled_font); + } + + _trace_printf ("set-scaled-font\n"); + + _write_unlock (); + } + DLCALL (cairo_set_scaled_font, cr, scaled_font); + _exit_trace (); +} + +static void +_emit_matrix (const cairo_matrix_t *m) +{ + if (_matrix_is_identity(m)) + { + _trace_printf ("identity"); + } + else + { + _trace_printf ("%g %g %g %g %g %g matrix", + m->xx, m->yx, + m->xy, m->yy, + m->x0, m->y0); + } +} + +cairo_scaled_font_t * +cairo_scaled_font_create (cairo_font_face_t *font_face, + const cairo_matrix_t *font_matrix, + const cairo_matrix_t *ctm, + const cairo_font_options_t *options) +{ + cairo_scaled_font_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_scaled_font_create, font_face, font_matrix, ctm, options); + if (_has_scaled_font_id (ret)) + goto out; + + _emit_line_info (); + if (font_face != NULL && + font_matrix != NULL && + ctm != NULL && + options != NULL + && _write_lock ()) + { + Object *obj; + + obj = _type_object_create (SCALED_FONT, ret); + DLCALL (cairo_scaled_font_set_user_data, + ret, &destroy_key, obj, _object_undef); + + if (_pop_operands_to (FONT_FACE, font_face)) + _consume_operand (false); + else + _trace_printf ("f%ld ", _get_font_face_id (font_face)); + + _emit_matrix (font_matrix); + _trace_printf (" "); + + _emit_matrix (ctm); + _trace_printf (" "); + + _emit_font_options (options); + + _trace_printf (" scaled-font /sf%ld exch def\n", + obj->token); + obj->defined = TRUE; + + _write_unlock (); + } + +out: + _exit_trace (); + return ret; +} + +void +cairo_show_text (cairo_t *cr, const char *utf8) +{ + _enter_trace (); + _emit_line_info (); + if (cr != NULL && _write_lock ()) { + _emit_context (cr); + _emit_string_literal (utf8, -1); + _trace_printf (" show-text\n"); + _write_unlock (); + } + DLCALL (cairo_show_text, cr, utf8); + _exit_trace (); +} + +static void +_glyph_advance (cairo_scaled_font_t *font, + const cairo_glyph_t *glyph, + double *x, double *y) +{ + cairo_text_extents_t extents; + + DLCALL (cairo_scaled_font_glyph_extents, font, glyph, 1, &extents); + *x += extents.x_advance; + *y += extents.y_advance; +} + +#define TOLERANCE 1e-5 +static void +_emit_glyphs (cairo_scaled_font_t *font, + const cairo_glyph_t *glyphs, + int num_glyphs) +{ + double x,y; + int n; + + if (num_glyphs == 0) { + _trace_printf ("[]"); + return; + } + + for (n = 0; n < num_glyphs; n++) { + if (glyphs[n].index > 255) + break; + } + + x = glyphs->x; + y = glyphs->y; + if (n < num_glyphs) { /* need full glyph range */ + cairo_bool_t first; + + _trace_printf ("[%g %g [", x, y); + first = TRUE; + while (num_glyphs--) { + if (fabs (glyphs->x - x) > TOLERANCE || + fabs (glyphs->y - y) > TOLERANCE) + { + x = glyphs->x; + y = glyphs->y; + _trace_printf ("] %g %g [", x, y); + first = TRUE; + } + + if (! first) + _trace_printf (" "); + _trace_printf ("%lu", glyphs->index); + first = FALSE; + + _glyph_advance (font, glyphs, &x, &y); + glyphs++; + } + _trace_printf ("]]"); + } else { + struct _data_stream stream; + + if (num_glyphs == 1) { + _trace_printf ("[%g %g <%02lx>]", x, y, glyphs->index); + } else { + _trace_printf ("[%g %g <~", x, y); + _write_base85_data_start (&stream); + while (num_glyphs--) { + unsigned char c; + + if (fabs (glyphs->x - x) > TOLERANCE || + fabs (glyphs->y - y) > TOLERANCE) + { + x = glyphs->x; + y = glyphs->y; + _write_base85_data_end (&stream); + _trace_printf ("~> %g %g <~", x, y); + _write_base85_data_start (&stream); + } + + c = glyphs->index; + _write_base85_data (&stream, &c, 1); + + _glyph_advance (font, glyphs, &x, &y); + glyphs++; + } + _write_base85_data_end (&stream); + _trace_printf ("~>]"); + } + } +} + +void +cairo_show_glyphs (cairo_t *cr, const cairo_glyph_t *glyphs, int num_glyphs) +{ + _enter_trace (); + _emit_line_info (); + if (cr != NULL && glyphs != NULL && _write_lock ()) { + cairo_scaled_font_t *font; + + _emit_context (cr); + font = DLCALL (cairo_get_scaled_font, cr); + + _emit_glyphs (font, glyphs, num_glyphs); + _trace_printf (" show-glyphs\n"); + _write_unlock (); + } + + DLCALL (cairo_show_glyphs, cr, glyphs, num_glyphs); + _exit_trace (); +} + +static const char * +_direction_to_string (cairo_bool_t backward) +{ + const char *names[] = { + "FORWARD", + "BACKWARD" + }; + return names[!!backward]; +} + +void +cairo_show_text_glyphs (cairo_t *cr, + const char *utf8, + int utf8_len, + const cairo_glyph_t *glyphs, + int num_glyphs, + const cairo_text_cluster_t *clusters, + int num_clusters, + cairo_text_cluster_flags_t backward) +{ + cairo_scaled_font_t *font; + + _enter_trace (); + + font = DLCALL (cairo_get_scaled_font, cr); + + _emit_line_info (); + if (cr != NULL && glyphs != NULL && clusters != NULL && _write_lock ()) { + int n; + + _emit_context (cr); + + _emit_string_literal (utf8, utf8_len); + + _emit_glyphs (font, glyphs, num_glyphs); + _trace_printf (" ["); + for (n = 0; n < num_clusters; n++) { + _trace_printf (" %d %d", + clusters[n].num_bytes, + clusters[n].num_glyphs); + } + _trace_printf (" ] //%s show-text-glyphs\n", + _direction_to_string (backward)); + + _write_unlock (); + } + + DLCALL (cairo_show_text_glyphs, cr, + utf8, utf8_len, + glyphs, num_glyphs, + clusters, num_clusters, + backward); + _exit_trace (); +} + +void +cairo_text_path (cairo_t *cr, const char *utf8) +{ + _enter_trace (); + _emit_line_info (); + if (cr != NULL && _write_lock ()) { + _emit_context (cr); + _emit_string_literal (utf8, -1); + _trace_printf (" text-path\n"); + _write_unlock (); + } + DLCALL (cairo_text_path, cr, utf8); + _exit_trace (); +} + +void +cairo_glyph_path (cairo_t *cr, const cairo_glyph_t *glyphs, int num_glyphs) +{ + cairo_scaled_font_t *font; + + _enter_trace (); + + font = DLCALL (cairo_get_scaled_font, cr); + + _emit_line_info (); + if (cr != NULL && glyphs != NULL && _write_lock ()) { + _emit_context (cr); + _emit_glyphs (font, glyphs, num_glyphs); + _trace_printf (" glyph-path\n"); + + _write_unlock (); + } + + DLCALL (cairo_glyph_path, cr, glyphs, num_glyphs); + _exit_trace (); +} + +void +cairo_append_path (cairo_t *cr, const cairo_path_t *path) +{ + /* XXX no support for named paths, so manually reconstruct */ + int i; + cairo_path_data_t *p; + + _enter_trace (); + + _emit_line_info (); + if (cr == NULL || path == NULL) { + DLCALL (cairo_append_path, cr, path); + _exit_trace (); + return; + } + + for (i=0; i < path->num_data; i += path->data[i].header.length) { + p = &path->data[i]; + switch (p->header.type) { + case CAIRO_PATH_MOVE_TO: + if (p->header.length >= 2) + cairo_move_to (cr, p[1].point.x, p[1].point.y); + break; + case CAIRO_PATH_LINE_TO: + if (p->header.length >= 2) + cairo_line_to (cr, p[1].point.x, p[1].point.y); + break; + case CAIRO_PATH_CURVE_TO: + if (p->header.length >= 4) + cairo_curve_to (cr, + p[1].point.x, p[1].point.y, + p[2].point.x, p[2].point.y, + p[3].point.x, p[3].point.y); + break; + case CAIRO_PATH_CLOSE_PATH: + if (p->header.length >= 1) + cairo_close_path (cr); + break; + default: + break; + } + } + _exit_trace (); +} + +cairo_surface_t * +cairo_image_surface_create (cairo_format_t format, int width, int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_image_surface_create, format, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + const char *format_str = _format_to_string (format); + const char *content_str = _format_to_content_string (format); + + _trace_printf ("dict\n" + " /width %d set\n" + " /height %d set\n" + " /format //%s set\n" + " /content //%s set\n" + " image dup /s%ld exch def\n", + width, height, format_str, content_str, obj->token); + obj->width = width; + obj->height = height; + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +cairo_image_surface_create_for_data (unsigned char *data, cairo_format_t format, int width, int height, int stride) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_image_surface_create_for_data, data, format, width, height, stride); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + /* cairo_image_surface_create_for_data() is both used to supply + * foreign pixel data to cairo and in order to read pixels back. + * Defer grabbing the pixel contents until we have to, but only for + * "large" images, for small images the overhead of embedding pixels + * is negligible. + * + * Choose 32x32 as that captures most icons which thanks to GdkPixbuf + * are frequently reloaded. + */ + if (width * height < 32*32) { + _emit_image (ret, NULL); + _trace_printf (" dup /s%ld exch def\n", + obj->token); + } else { + _trace_printf ("dict\n" + " /width %d set\n" + " /height %d set\n" + " /format //%s set\n" + " image dup /s%ld exch def\n", + width, height, + _format_to_string (format), + obj->token); + + obj->foreign = TRUE; + } + + obj->width = width; + obj->height = height; + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +unsigned char * +cairo_image_surface_get_data (cairo_surface_t *surface) +{ + unsigned char *ptr; + + /* Just leave some breadcrumbs */ + _enter_trace (); + _emit_line_info (); + if (surface != NULL && _write_lock ()) { + _trace_printf ("%% s%ld get-data\n", _get_surface_id (surface)); + _write_unlock (); + } + ptr = DLCALL (cairo_image_surface_get_data, surface); + _exit_trace (); + + return ptr; +} + +cairo_pattern_t * +cairo_pattern_create_raster_source (void *data, cairo_content_t content, int width, int height) +{ + cairo_pattern_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_pattern_create_raster_source, data, content, width, height); + + _emit_line_info (); + if (_write_lock ()) { + long pattern_id = _create_pattern_id (ret); + cairo_format_t format; + cairo_surface_t *image; + cairo_t *cr; + + /* Impossible to accurately record the interaction with this custom + * pattern so just suck all the data into an image upfront */ + switch (content) { + case CAIRO_CONTENT_ALPHA: format = CAIRO_FORMAT_A8; break; + case CAIRO_CONTENT_COLOR: format = CAIRO_FORMAT_RGB24; break; + default: + case CAIRO_CONTENT_COLOR_ALPHA: format = CAIRO_FORMAT_ARGB32; break; + } + + _trace_printf ("%% raster-source\n"); + + image = DLCALL (cairo_image_surface_create, format, width, height); + cr = DLCALL (cairo_create, image); + DLCALL (cairo_set_source, cr, ret); + DLCALL (cairo_paint, cr); + DLCALL (cairo_destroy, cr); + + _emit_image (image, NULL); + DLCALL (cairo_surface_destroy, image); + _trace_printf (" pattern dup /s%ld exch def\n", + pattern_id); + + _push_operand (PATTERN, ret); + _get_object (PATTERN, ret)->defined = TRUE; + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +cairo_surface_create_similar (cairo_surface_t *other, + cairo_content_t content, + int width, int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_surface_create_similar, other, content, width, height); + + _emit_line_info (); + if (other != NULL && _write_lock ()) { + Object *other_obj = _get_object(SURFACE, other); + Object *new_obj = _create_surface (ret); + + if (other_obj->operand != -1) { + if (current_stack_depth == other_obj->operand + 1) + _trace_printf ("dup "); + else + _trace_printf ("%d index ", + current_stack_depth - other_obj->operand - 1); + } else { + assert(other_obj->defined); + _trace_printf ("s%ld ", other_obj->token); + } + + _trace_printf ("%d %d //%s similar dup /s%ld exch def\n", + width, height, + _content_to_string (content), + new_obj->token); + + new_obj->width = width; + new_obj->height = height; + new_obj->defined = TRUE; + + _push_object (new_obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +cairo_surface_create_similar_image (cairo_surface_t *other, + cairo_format_t format, + int width, int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_surface_create_similar_image, + other, format, width, height); + + _emit_line_info (); + if (other != NULL && _write_lock ()) { + Object *other_obj = _get_object(SURFACE, other); + Object *new_obj = _create_surface (ret); + + if (other_obj->defined) + _trace_printf ("s%ld ", other_obj->token); + else if (current_stack_depth == other_obj->operand + 1) + _trace_printf ("dup "); + else + _trace_printf ("%d index ", + current_stack_depth - other_obj->operand - 1); + _trace_printf ("//%s %d %d similar-image %% s%ld\n", + _format_to_string (format), + width, height, + new_obj->token); + new_obj->width = width; + new_obj->height = height; + + _push_object (new_obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +cairo_surface_map_to_image (cairo_surface_t *surface, + const cairo_rectangle_int_t *extents) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_surface_map_to_image, surface, extents); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _emit_surface (surface); + if (extents) { + _trace_printf ("[%d %d %d %d] map-to-image %% s%ld\n", + extents->x, extents->y, + extents->width, extents->height, + obj->token); + obj->width = extents->width; + obj->height = extents->height; + } else { + _trace_printf ("[ ] map-to-image %% s%ld\n", obj->token); + } + + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +void +cairo_surface_unmap_image (cairo_surface_t *surface, + cairo_surface_t *image) +{ + _enter_trace (); + + _emit_line_info (); + if (_write_lock ()) { + Object *s = _get_object (SURFACE, surface); + Object *i = _get_object (SURFACE, image); + if (!(s->operand == current_stack_depth - 2 && + i->operand == current_stack_depth - 1)) { + if (i->operand != s->operand + 1 || ! _pop_operands_to_depth (i->operand + 1)) { + _emit_surface (surface); + _emit_surface (image); + } + } + _trace_printf ("unmap-image\n"); + _consume_operand (true); + _write_unlock (); + } + + DLCALL (cairo_surface_unmap_image, surface, image); + + _exit_trace (); +} + +cairo_surface_t * +cairo_surface_create_for_rectangle (cairo_surface_t *target, + double x, double y, + double width, double height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_surface_create_for_rectangle, target, x, y, width, height); + + _emit_line_info (); + if (target != NULL && _write_lock ()) { + Object *target_obj = _get_object (SURFACE, target); + Object *child_obj = _create_surface (ret); + + if (target_obj->defined) + _trace_printf ("s%ld ", target_obj->token); + else if (current_stack_depth == target_obj->operand + 1) + _trace_printf ("dup "); + else + _trace_printf ("%d index ", current_stack_depth - target_obj->operand - 1); + _trace_printf ("%f %f %f %f subsurface %% s%ld\n", + x, y, width, height, + child_obj->token); + + _push_object (child_obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +static void CAIRO_PRINTF_FORMAT(2, 3) +_emit_surface_op (cairo_surface_t *surface, const char *fmt, ...) +{ + va_list ap; + + if (surface == NULL || ! _write_lock ()) + return; + + _emit_surface (surface); + + va_start (ap, fmt); + _trace_vprintf ( fmt, ap); + va_end (ap); + + _write_unlock (); +} + +void +cairo_surface_finish (cairo_surface_t *surface) +{ + _enter_trace (); + _emit_line_info (); + DLCALL (cairo_surface_finish, surface); + _exit_trace (); +} + +void +cairo_surface_flush (cairo_surface_t *surface) +{ + _enter_trace (); + _emit_line_info (); + if (surface != NULL && _write_lock ()) { + _trace_printf ("%% s%ld flush\n", _get_surface_id (surface)); + _write_unlock (); + } + DLCALL (cairo_surface_flush, surface); + _exit_trace (); +} + +void +cairo_surface_mark_dirty (cairo_surface_t *surface) +{ + _enter_trace (); + _emit_line_info (); + + /* Call cairo before emitting the trace since _emit_surface() might cause + * snapshots to be creates while mark_dirty assert()s that there are none. + */ + DLCALL (cairo_surface_mark_dirty, surface); + + if (surface != NULL && _write_lock ()) { + if (_mark_dirty) { + _emit_surface (surface); + _trace_printf ("%% mark-dirty\n"); + _emit_source_image (surface); + } else + _trace_printf ("%% s%ld mark-dirty\n", _get_surface_id (surface)); + _write_unlock (); + } + _exit_trace (); +} + +void +cairo_surface_mark_dirty_rectangle (cairo_surface_t *surface, + int x, int y, int width, int height) +{ + _enter_trace (); + + /* Call cairo before emitting the trace since _emit_surface() might cause + * snapshots to be creates while mark_dirty assert()s that there are none. + */ + DLCALL (cairo_surface_mark_dirty_rectangle, surface, x, y, width, height); + + _emit_line_info (); + if (surface != NULL && _write_lock ()) { + if (_mark_dirty) { + _emit_surface (surface); + _trace_printf ("%% %d %d %d %d mark-dirty-rectangle\n", + x, y, width, height); + _emit_source_image_rectangle (surface, x,y, width, height); + } else + _trace_printf ("%% s%ld %d %d %d %d mark-dirty-rectangle\n", + _get_surface_id (surface), x, y, width, height); + _write_unlock (); + } + _exit_trace (); +} + +void +cairo_surface_set_device_offset (cairo_surface_t *surface, double x_offset, double y_offset) +{ + _enter_trace (); + _emit_line_info (); + _emit_surface_op (surface, "%g %g set-device-offset\n", + x_offset, y_offset); + DLCALL (cairo_surface_set_device_offset, surface, x_offset, y_offset); + _exit_trace (); +} + +void +cairo_surface_set_device_scale (cairo_surface_t *surface, double x_offset, double y_offset) +{ + _enter_trace (); + _emit_line_info (); + _emit_surface_op (surface, "%g %g set-device-scale\n", + x_offset, y_offset); + DLCALL (cairo_surface_set_device_scale, surface, x_offset, y_offset); + _exit_trace (); +} + + +void +cairo_surface_set_fallback_resolution (cairo_surface_t *surface, double x_pixels_per_inch, double y_pixels_per_inch) +{ + _enter_trace (); + _emit_line_info (); + _emit_surface_op (surface, "%g %g set-fallback-resolution\n", + x_pixels_per_inch, y_pixels_per_inch); + DLCALL (cairo_surface_set_fallback_resolution, surface, x_pixels_per_inch, y_pixels_per_inch); + _exit_trace (); +} + +void +cairo_surface_copy_page (cairo_surface_t *surface) +{ + _enter_trace (); + _emit_line_info (); + _emit_surface_op (surface, "copy-page\n"); + DLCALL (cairo_surface_copy_page, surface); + _exit_trace (); +} + +void +cairo_surface_show_page (cairo_surface_t *surface) +{ + _enter_trace (); + _emit_line_info (); + _emit_surface_op (surface, "show-page\n"); + DLCALL (cairo_surface_show_page, surface); + _exit_trace (); +} + +cairo_status_t +cairo_surface_set_mime_data (cairo_surface_t *surface, + const char *mime_type, + const unsigned char *data, + unsigned long length, + cairo_destroy_func_t destroy, + void *closure) +{ + cairo_status_t ret; + _enter_trace (); + _emit_line_info (); + if (surface != NULL && _write_lock ()) { + _emit_surface (surface); + _emit_string_literal (mime_type, -1); + _trace_printf (" "); + _emit_data (data, length); + _trace_printf (" /deflate filter set-mime-data\n"); + + _write_unlock (); + } + + ret = DLCALL (cairo_surface_set_mime_data, + surface, + mime_type, + data, length, + destroy, + closure); + _exit_trace (); + return ret; +} + +#if CAIRO_HAS_PNG_FUNCTIONS +cairo_status_t +cairo_surface_write_to_png (cairo_surface_t *surface, const char *filename) +{ + cairo_status_t ret; + _enter_trace (); + _emit_line_info (); + if (surface != NULL && _write_lock ()) { + _trace_printf ("%% s%ld ", _get_surface_id (surface)); + _emit_string_literal (filename, -1); + _trace_printf (" write-to-png pop\n"); + _write_unlock (); + } + ret = DLCALL (cairo_surface_write_to_png, surface, filename); + _exit_trace (); + return ret; +} + +cairo_status_t +cairo_surface_write_to_png_stream (cairo_surface_t *surface, + cairo_write_func_t write_func, + void *data) +{ + cairo_status_t ret; + _enter_trace (); + _emit_line_info (); + if (surface != NULL && _write_lock ()) { + char symbol[1024]; + + _trace_printf ("%% s%ld ", _get_surface_id (surface)); +#if CAIRO_HAS_SYMBOL_LOOKUP + lookup_symbol (symbol, sizeof (symbol), write_func); +#else + symbol[0] = '\0'; +#endif + _emit_string_literal (symbol, -1); + _trace_printf (" write-to-png-stream pop\n"); + _write_unlock (); + } + ret = DLCALL (cairo_surface_write_to_png_stream, + surface, write_func, data); + _exit_trace (); + return ret; +} +#endif + +static void CAIRO_PRINTF_FORMAT(2, 3) +_emit_pattern_op (cairo_pattern_t *pattern, const char *fmt, ...) +{ + va_list ap; + + if (pattern == NULL || ! _write_lock ()) + return; + + _emit_pattern (pattern); + + va_start (ap, fmt); + _trace_vprintf (fmt, ap); + va_end (ap); + + _write_unlock (); +} + +cairo_pattern_t * +cairo_pattern_create_rgb (double red, double green, double blue) +{ + cairo_pattern_t *ret; + long pattern_id; + + _enter_trace (); + + ret = DLCALL (cairo_pattern_create_rgb, red, green, blue); + pattern_id = _create_pattern_id (ret); + + _emit_line_info (); + if (_write_lock ()) { + _trace_printf ("/p%ld %g %g %g rgb def\n", + pattern_id, red, green, blue); + _get_object (PATTERN, ret)->defined = TRUE; + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_pattern_t * +cairo_pattern_create_rgba (double red, double green, double blue, double alpha) +{ + cairo_pattern_t *ret; + long pattern_id; + + _enter_trace (); + + ret = DLCALL (cairo_pattern_create_rgba, red, green, blue, alpha); + pattern_id = _create_pattern_id (ret); + + _emit_line_info (); + if (_write_lock ()) { + _trace_printf ("/p%ld %g %g %g %g rgba def\n", + pattern_id, red, green, blue, alpha); + _get_object (PATTERN, ret)->defined = TRUE; + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_pattern_t * +cairo_pattern_create_for_surface (cairo_surface_t *surface) +{ + cairo_pattern_t *ret; + long pattern_id; + long surface_id; + + _enter_trace (); + + ret = DLCALL (cairo_pattern_create_for_surface, surface); + pattern_id = _create_pattern_id (ret); + + _emit_line_info (); + if (surface != NULL && _write_lock ()) { + surface_id = _get_surface_id (surface); + + if (_pop_operands_to (SURFACE, surface)) { + _consume_operand (false); + } else { + _trace_printf ("s%ld ", surface_id); + } + + if (_get_object (SURFACE, surface)->foreign) + _emit_source_image (surface); + + _trace_printf ("pattern %% p%ld\n", pattern_id); + _push_operand (PATTERN, ret); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_pattern_t * +cairo_pattern_create_linear (double x0, double y0, double x1, double y1) +{ + cairo_pattern_t *ret; + long pattern_id; + + _enter_trace (); + + ret = DLCALL (cairo_pattern_create_linear, x0, y0, x1, y1); + pattern_id = _create_pattern_id (ret); + + _emit_line_info (); + if (_write_lock ()) { + _trace_printf ("%g %g %g %g linear %% p%ld\n", + x0, y0, x1, y1, pattern_id); + _push_operand (PATTERN, ret); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_pattern_t * +cairo_pattern_create_radial (double cx0, double cy0, double radius0, double cx1, double cy1, double radius1) +{ + cairo_pattern_t *ret; + long pattern_id; + + _enter_trace (); + + ret = DLCALL (cairo_pattern_create_radial, + cx0, cy0, radius0, + cx1, cy1, radius1); + pattern_id = _create_pattern_id (ret); + + _emit_line_info (); + if (_write_lock ()) { + _trace_printf ("%g %g %g %g %g %g radial %% p%ld\n", + cx0, cy0, radius0, cx1, cy1, radius1, + pattern_id); + _push_operand (PATTERN, ret); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +void +cairo_pattern_add_color_stop_rgb (cairo_pattern_t *pattern, double offset, double red, double green, double blue) +{ + _enter_trace (); + _emit_line_info (); + _emit_pattern_op (pattern, + "%g %g %g %g 1 add-color-stop\n", + offset, red, green, blue); + DLCALL (cairo_pattern_add_color_stop_rgb, pattern, offset, red, green, blue); + _exit_trace (); +} + +void +cairo_pattern_add_color_stop_rgba (cairo_pattern_t *pattern, double offset, double red, double green, double blue, double alpha) +{ + _enter_trace (); + _emit_line_info (); + _emit_pattern_op (pattern, + "%g %g %g %g %g add-color-stop\n", + offset, red, green, blue, alpha); + DLCALL (cairo_pattern_add_color_stop_rgba, pattern, offset, red, green, blue, alpha); + _exit_trace (); +} + +void +cairo_pattern_set_matrix (cairo_pattern_t *pattern, const cairo_matrix_t *matrix) +{ + _enter_trace (); + _emit_line_info (); + if (_matrix_is_identity (matrix)) { + _emit_pattern_op (pattern, "identity set-matrix\n"); + } else { + _emit_pattern_op (pattern, + "%g %g %g %g %g %g matrix set-matrix\n", + matrix->xx, matrix->yx, + matrix->xy, matrix->yy, + matrix->x0, matrix->y0); + } + DLCALL (cairo_pattern_set_matrix, pattern, matrix); + _exit_trace (); +} + +static const char * +_filter_to_string (cairo_filter_t filter) +{ +#define f(name) case CAIRO_FILTER_ ## name: return "FILTER_" #name + switch (filter) { + f(FAST); + f(GOOD); + f(BEST); + f(NEAREST); + f(BILINEAR); + f(GAUSSIAN); + }; +#undef f + return "UNKNOWN_FILTER"; +} + +void +cairo_pattern_set_filter (cairo_pattern_t *pattern, cairo_filter_t filter) +{ + _enter_trace (); + _emit_line_info (); + _emit_pattern_op (pattern, "//%s set-filter\n", _filter_to_string (filter)); + DLCALL (cairo_pattern_set_filter, pattern, filter); + _exit_trace (); +} + +static const char * +_extend_to_string (cairo_extend_t extend) +{ +#define f(name) case CAIRO_EXTEND_ ## name: return "EXTEND_" #name + switch (extend) { + f(NONE); + f(REPEAT); + f(REFLECT); + f(PAD); + }; +#undef f + return "UNKNOWN_EXTEND"; +} + +void +cairo_pattern_set_extend (cairo_pattern_t *pattern, cairo_extend_t extend) +{ + _enter_trace (); + _emit_line_info (); + _emit_pattern_op (pattern, "//%s set-extend\n", _extend_to_string (extend)); + DLCALL (cairo_pattern_set_extend, pattern, extend); + _exit_trace (); +} + +#if CAIRO_HAS_FT_FONT +#if CAIRO_HAS_FC_FONT +cairo_font_face_t * +cairo_ft_font_face_create_for_pattern (FcPattern *pattern) +{ + cairo_font_face_t *ret; + long font_face_id; + + _enter_trace (); + + ret = DLCALL (cairo_ft_font_face_create_for_pattern, pattern); + font_face_id = _create_font_face_id (ret); + + _emit_line_info (); + if (pattern != NULL && _write_lock ()) { + Object *obj; + + obj = _get_object (FONT_FACE, ret); + if (obj->unknown) { + FcPattern *copy; + FcChar8 *unparsed; + + copy = DLCALL (FcPatternDuplicate, pattern); + if (copy) + { + DLCALL (FcPatternDel, copy, FC_LANG); + DLCALL (FcPatternDel, copy, FC_CHARSET); + DLCALL (FcPatternDel, copy, FC_CAPABILITY); + } + else + copy = pattern; + + unparsed = DLCALL (FcNameUnparse, copy); + _trace_printf ("dict\n" + " /type 42 set\n" + " /pattern "); + _emit_string_literal ((char *) unparsed, -1); + _trace_printf (" set\n" + " font %% f%ld\n", + font_face_id); + obj->unknown = FALSE; + _push_operand (FONT_FACE, ret); + dump_stack(__func__); + + if (copy != pattern) + DLCALL (FcPatternDestroy, copy); + free (unparsed); + } + _write_unlock (); + } + + _exit_trace (); + return ret; +} +#endif /* CAIRO_HAS_FC_FONT*/ + +typedef struct _ft_face_data { + unsigned long index; + unsigned long size; + void *data; +} FtFaceData; + +static void +_ft_face_data_destroy (void *arg) +{ + FtFaceData *data = arg; + free (data->data); + free (data); +} + +cairo_font_face_t * +cairo_ft_font_face_create_for_ft_face (FT_Face face, int load_flags) +{ + cairo_font_face_t *ret; + Object *obj; + FtFaceData *data; + long font_face_id; + + _enter_trace (); + + ret = DLCALL (cairo_ft_font_face_create_for_ft_face, face, load_flags); + font_face_id = _create_font_face_id (ret); + + if (face == NULL) { + _exit_trace (); + return ret; + } + + obj = _get_object (NONE, face); + data = obj->data; + if (data == NULL) { + _exit_trace (); + return ret; + } + + _emit_line_info (); + if (_write_lock ()) { + obj = _get_object (FONT_FACE, ret); + if (obj->operand != -1) + _object_remove (obj); + + _trace_printf ("<< /type 42 /source "); + _emit_data (data->data, data->size); + _trace_printf (" /index %lu /flags %d >> font %% f%ld\n", + data->index, load_flags, font_face_id); + _push_operand (FONT_FACE, ret); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +static cairo_bool_t +_ft_read_file (FtFaceData *data, const char *path) +{ + char buf[8192]; + FILE *file; + + file = fopen (path, "rb"); + if (file != NULL) { + size_t ret; + unsigned long int allocated = sizeof (buf); + data->data = malloc (allocated); + do { + ret = fread (buf, 1, sizeof (buf), file); + if (ret == 0) + break; + memcpy ((char *) data->data + data->size, buf, ret); + data->size += ret; + if (ret != sizeof (buf)) + break; + + if (data->size == allocated) { + allocated *= 2; + data->data = realloc (data->data, allocated); + } + } while (TRUE); + fclose (file); + } + + return file != NULL; +} + +FT_Error +FT_New_Face (FT_Library library, const char *pathname, FT_Long index, FT_Face *face) +{ + FT_Error ret; + + _enter_trace (); + + ret = DLCALL (FT_New_Face, library, pathname, index, face); + if (ret == 0) { + Object *obj = _type_object_create (NONE, *face); + FtFaceData *data = malloc (sizeof (FtFaceData)); + data->index = index; + data->size = 0; + data->data = NULL; + _ft_read_file (data, pathname); + obj->data = data; + obj->destroy = _ft_face_data_destroy; + } + + _exit_trace (); + return ret; +} + +FT_Error +FT_New_Memory_Face (FT_Library library, const FT_Byte *mem, FT_Long size, FT_Long index, FT_Face *face) +{ + FT_Error ret; + + _enter_trace (); + + ret = DLCALL (FT_New_Memory_Face, library, mem, size, index, face); + if (ret == 0) { + Object *obj = _type_object_create (NONE, *face); + FtFaceData *data = malloc (sizeof (FtFaceData)); + data->index = index; + data->size = size; + data->data = malloc (size); + memcpy (data->data, mem, size); + obj->data = data; + obj->destroy = _ft_face_data_destroy; + } + + _exit_trace (); + return ret; +} + +/* XXX + * FT_New_Memory_Face() and FT_New_Face() appear to wrap FT_Open_Face() so we + * get a redundant call to FT_Open_Face() from those paths (no PLT hiding + * within FT, naughty library!) but we do not intercept a direct call to + * FT_Open_Face(). So far this has not caused any issues, but it will one + * day... + */ +FT_Error +FT_Open_Face (FT_Library library, const FT_Open_Args *args, FT_Long index, FT_Face *face) +{ + FT_Error ret; + + _enter_trace (); + + ret = DLCALL (FT_Open_Face, library, args, index, face); + if (ret == 0) { + Object *obj = _get_object (NONE, *face); + if (obj == NULL) { + FtFaceData *data; + + data = malloc (sizeof (FtFaceData)); + data->index = index; + if (args->flags & FT_OPEN_MEMORY) { + data->size = args->memory_size; + data->data = malloc (args->memory_size); + memcpy (data->data, args->memory_base, args->memory_size); + } else if (args->flags & FT_OPEN_STREAM) { + fprintf (stderr, "FT_Open_Face (stream, %ld) = %p\n", + index, *face); + abort (); + } else if (args->flags & FT_OPEN_PATHNAME) { + data->size = 0; + data->data = NULL; + _ft_read_file (data, args->pathname); + } + + obj = _type_object_create (NONE, *face); + obj->data = data; + obj->destroy = _ft_face_data_destroy; + } + } + + _exit_trace (); + return ret; +} + +FT_Error +FT_Done_Face (FT_Face face) +{ + FT_Error ret; + _enter_trace (); + + _object_destroy (_get_object (NONE, face)); + + ret = DLCALL (FT_Done_Face, face); + _exit_trace (); + return ret; +} +#endif + +static void +_surface_object_set_size (cairo_surface_t *surface, int width, int height) +{ + Object *obj; + + obj = _get_object (SURFACE, surface); + obj->width = width; + obj->height = height; +} + +static void +_surface_object_set_size_from_surface (cairo_surface_t *surface) +{ + _surface_object_set_size (surface, + DLCALL (cairo_image_surface_get_width, surface), + DLCALL (cairo_image_surface_get_height, surface)); +} + +#if CAIRO_HAS_PS_SURFACE +#include<cairo-ps.h> + +cairo_surface_t * +cairo_ps_surface_create (const char *filename, double width_in_points, double height_in_points) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_ps_surface_create, filename, width_in_points, height_in_points); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /PS set\n" + " /filename "); + _emit_string_literal (filename, -1); + _trace_printf (" set\n" + " /width %g set\n" + " /height %g set\n" + " surface %% s%ld\n", + width_in_points, + height_in_points, + obj->token); + obj->width = width_in_points; + obj->height = height_in_points; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +cairo_ps_surface_create_for_stream (cairo_write_func_t write_func, void *closure, double width_in_points, double height_in_points) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_ps_surface_create_for_stream, write_func, closure, width_in_points, height_in_points); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /PS set\n" + " /width %g set\n" + " /height %g set\n" + " surface %% s%ld\n", + width_in_points, + height_in_points, + obj->token); + obj->width = width_in_points; + obj->height = height_in_points; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +void +cairo_ps_surface_set_size (cairo_surface_t *surface, double width_in_points, double height_in_points) +{ + _enter_trace (); + _emit_line_info (); + DLCALL (cairo_ps_surface_set_size, surface, width_in_points, height_in_points); + _exit_trace (); +} + +#endif + +#if CAIRO_HAS_PDF_SURFACE +#include <cairo-pdf.h> + +cairo_surface_t * +cairo_pdf_surface_create (const char *filename, double width_in_points, double height_in_points) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_pdf_surface_create, filename, width_in_points, height_in_points); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /PDF set\n" + " /filename "); + _emit_string_literal (filename, -1); + _trace_printf (" set\n" + " /width %g set\n" + " /height %g set\n" + " surface %% s%ld\n", + width_in_points, + height_in_points, + obj->token); + obj->width = width_in_points; + obj->height = height_in_points; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +cairo_pdf_surface_create_for_stream (cairo_write_func_t write_func, void *closure, double width_in_points, double height_in_points) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_pdf_surface_create_for_stream, write_func, closure, width_in_points, height_in_points); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /PDF set\n" + " /width %g set\n" + " /height %g set\n" + " surface %% s%ld\n", + width_in_points, + height_in_points, + obj->token); + obj->width = width_in_points; + obj->height = height_in_points; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + _exit_trace (); + return ret; +} + +void +cairo_pdf_surface_set_size (cairo_surface_t *surface, double width_in_points, double height_in_points) +{ + _enter_trace (); + _emit_line_info (); + DLCALL (cairo_pdf_surface_set_size, surface, width_in_points, height_in_points); + _exit_trace (); +} +#endif + +#if CAIRO_HAS_SVG_SURFACE +#include <cairo-svg.h> + +cairo_surface_t * +cairo_svg_surface_create (const char *filename, double width, double height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_svg_surface_create, filename, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /SVG set\n" + " /filename "); + _emit_string_literal (filename, -1); + _trace_printf (" set\n" + " /width %g set\n" + " /height %g set\n" + " surface %% s%ld\n", + width, + height, + obj->token); + obj->width = width; + obj->height = height; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +cairo_svg_surface_create_for_stream (cairo_write_func_t write_func, void *closure, double width, double height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_svg_surface_create_for_stream, write_func, closure, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /SVG set\n" + " /width %g set\n" + " /height %g set\n" + " surface %% s%ld\n", + width, + height, + obj->token); + obj->width = width; + obj->height = height; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +#endif + +#if CAIRO_HAS_PNG_FUNCTIONS +cairo_surface_t * +cairo_image_surface_create_from_png (const char *filename) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_image_surface_create_from_png, filename); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + char filename_string[4096]; + + _encode_string_literal (filename_string, sizeof (filename_string), + filename, -1); + _emit_image (ret, " /filename %s set\n", filename_string); + _trace_printf (" dup /s%ld exch def\n", obj->token); + _surface_object_set_size_from_surface (ret); + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +cairo_image_surface_create_from_png_stream (cairo_read_func_t read_func, void *closure) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_image_surface_create_from_png_stream, read_func, closure); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _emit_image (ret, NULL); + _trace_printf (" dup /s%ld exch def\n", + obj->token); + + _surface_object_set_size_from_surface (ret); + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} +#endif + +static const char * +_content_from_surface (cairo_surface_t *surface) +{ + return _content_to_string (DLCALL (cairo_surface_get_content, surface)); +} + +#if CAIRO_HAS_TEE_SURFACE +#include <cairo-tee.h> + +cairo_surface_t * +cairo_tee_surface_create (cairo_surface_t *master) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_tee_surface_create, master); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /tee set\n" + " /master s%ld set\n" + " surface dup /s%ld exch def\n", + _get_object (SURFACE, master)->token, + obj->token); + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +#endif + +#if CAIRO_HAS_XLIB_SURFACE +#include <cairo-xlib.h> + +cairo_surface_t * +cairo_xlib_surface_create (Display *dpy, + Drawable drawable, + Visual *visual, + int width, int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_xlib_surface_create, + dpy, drawable, visual, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /xlib set\n" + " /drawable 16!%lx set\n" + " /content //%s set\n" + " /width %d set\n" + " /height %d set\n" + " surface dup /s%ld exch def\n", + drawable, + _content_from_surface (ret), + width, height, + obj->token); + obj->defined = TRUE; + obj->width = width; + obj->height = height; + obj->foreign = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +cairo_xlib_surface_create_for_bitmap (Display *dpy, + Pixmap bitmap, + Screen *screen, + int width, int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_xlib_surface_create_for_bitmap, + dpy, bitmap, screen, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /xlib set\n" + " /drawable 16!%lx set\n" + " /content //%s set\n" + " /width %d set\n" + " /height %d set\n" + " /depth 1 set\n" + " surface dup /s%ld exch def\n", + bitmap, + _content_from_surface (ret), + width, height, + obj->token); + obj->defined = TRUE; + obj->width = width; + obj->height = height; + obj->foreign = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +#if CAIRO_HAS_XLIB_XRENDER_SURFACE +#include <cairo-xlib-xrender.h> +cairo_surface_t * +cairo_xlib_surface_create_with_xrender_format (Display *dpy, + Drawable drawable, + Screen *screen, + XRenderPictFormat *format, + int width, int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_xlib_surface_create_with_xrender_format, + dpy, drawable, screen, format, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /xrender set\n" + " /drawable 16!%lx set\n" + " /content //%s set\n" + " /width %d set\n" + " /height %d set\n" + " /depth %d set\n" + " surface dup /s%ld exch def\n", + drawable, + _content_from_surface (ret), + width, height, + format->depth, + obj->token); + obj->defined = TRUE; + obj->width = width; + obj->height = height; + obj->foreign = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} +#endif +#endif + +#if CAIRO_HAS_SCRIPT_SURFACE +#include <cairo-script.h> +cairo_surface_t * +cairo_script_surface_create (cairo_device_t *device, + cairo_content_t content, + double width, + double height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_script_surface_create, device, content, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /script set\n" + " /content %s set\n" + " /width %g set\n" + " /height %g set\n" + " surface dup /s%ld exch def\n", + _content_to_string (content), + width, height, + obj->token); + obj->width = width; + obj->height = height; + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +cairo_script_surface_create_for_target (cairo_device_t *device, + cairo_surface_t *target) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_script_surface_create_for_target, device, target); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /script set\n" + " surface dup /s%ld exch def\n", + obj->token); + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} +#endif + +#if CAIRO_HAS_TEST_SURFACES +#include <test-paginated-surface.h> +cairo_surface_t * +_cairo_test_paginated_surface_create (cairo_surface_t *surface) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (_cairo_test_paginated_surface_create, surface); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + /* XXX store initial data? */ + _trace_printf ("dict\n" + " /type /test-paginated set\n" + " /target s%ld set\n" + " surface dup /s%ld exch def\n", + _get_surface_id (surface), + obj->token); + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +#include <test-compositor-surface.h> + +cairo_surface_t * +_cairo_test_fallback_compositor_surface_create (cairo_content_t content, int width, int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (_cairo_test_fallback_compositor_surface_create, content, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /test-fallback-compositor set\n" + " /content //%s set\n" + " /width %d set\n" + " /height %d set\n" + " surface dup /s%ld exch def\n", + _content_to_string (content), + width, height, + obj->token); + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +_cairo_test_mask_compositor_surface_create (cairo_content_t content, int width, int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (_cairo_test_mask_compositor_surface_create, content, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /test-mask-compositor set\n" + " /content //%s set\n" + " /width %d set\n" + " /height %d set\n" + " surface dup /s%ld exch def\n", + _content_to_string (content), + width, height, + obj->token); + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +_cairo_test_spans_compositor_surface_create (cairo_content_t content, int width, int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (_cairo_test_spans_compositor_surface_create, content, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /test-spans-compositor set\n" + " /content //%s set\n" + " /width %d set\n" + " /height %d set\n" + " surface dup /s%ld exch def\n", + _content_to_string (content), + width, height, + obj->token); + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +_cairo_test_traps_compositor_surface_create (cairo_content_t content, int width, int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (_cairo_test_traps_compositor_surface_create, content, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /test-traps-compositor set\n" + " /content //%s set\n" + " /width %d set\n" + " /height %d set\n" + " surface dup /s%ld exch def\n", + _content_to_string (content), + width, height, + obj->token); + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +#endif + +cairo_surface_t * +cairo_recording_surface_create (cairo_content_t content, + const cairo_rectangle_t *extents) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_recording_surface_create, content, extents); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + if (extents) { + _trace_printf ("//%s [ %f %f %f %f ] record dup /s%ld exch def\n", + _content_to_string (content), + extents->x, extents->y, + extents->width, extents->height, + obj->token); + obj->width = extents->width; + obj->height = extents->height; + } else { + _trace_printf ("//%s [ ] record dup /s%ld exch def\n", + _content_to_string (content), + obj->token); + } + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +#if CAIRO_HAS_VG_SURFACE +#include <cairo-vg.h> +cairo_surface_t * +cairo_vg_surface_create (cairo_vg_context_t *context, + cairo_content_t content, + int width, int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_vg_surface_create, context, content, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /vg set\n" + " /content //%s set\n" + " /width %d set\n" + " /height %d set\n" + " surface dup /s%ld exch def\n", + _content_to_string (content), + width, height, + obj->token); + obj->width = width; + obj->height = height; + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +cairo_vg_surface_create_for_image (cairo_vg_context_t *context, + VGImage image, + VGImageFormat format, + int width, int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_vg_surface_create_for_image, + context, image, format, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + cairo_content_t content; + + content = DLCALL (cairo_surface_get_content, ret); + _trace_printf ("dict\n" + " /type /vg set\n" + " /content //%s set\n" + " /width %d set\n" + " /height %d set\n" + " surface dup /s%ld exch def\n", + _content_to_string (content), + width, height, + obj->token); + obj->width = width; + obj->height = height; + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} +#endif + +#if CAIRO_HAS_GL_SURFACE || CAIRO_HAS_GLESV2_SURFACE +#include <cairo-gl.h> +cairo_surface_t * +cairo_gl_surface_create (cairo_device_t *abstract_device, + cairo_content_t content, + int width, + int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_gl_surface_create, abstract_device, content, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /gl set\n" + " /content //%s set\n" + " /width %d set\n" + " /height %d set\n" + " surface dup /s%ld exch def\n", + _content_to_string (content), + width, height, + obj->token); + obj->width = width; + obj->height = height; + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +cairo_surface_t * +cairo_gl_surface_create_for_texture (cairo_device_t *abstract_device, + cairo_content_t content, + unsigned int tex, + int width, + int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_gl_surface_create_for_texture, abstract_device, content, tex, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /gl set\n" + " /content //%s set\n" + " /width %d set\n" + " /height %d set\n" + " surface dup /s%ld exch def\n", + _content_to_string (content), + width, height, + obj->token); + obj->width = width; + obj->height = height; + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} + +#if CAIRO_HAS_GLX_FUNCTIONS +cairo_surface_t * +cairo_gl_surface_create_for_window (cairo_device_t *device, + Window win, + int width, int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_gl_surface_create_for_window, device, win, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /gl set\n" + " /width %d set\n" + " /height %d set\n" + " surface dup /s%ld exch def\n", + width, height, + obj->token); + obj->width = width; + obj->height = height; + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} +#endif + +#if CAIRO_HAS_WGL_FUNCTIONS +cairo_surface_t * +cairo_gl_surface_create_for_dc (cairo_device_t *device, + HDC dc, + int width, + int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_gl_surface_create_for_dc, device, dc, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /gl set\n" + " /width %d set\n" + " /height %d set\n" + " surface dup /s%ld exch def\n", + width, height, + obj->token); + obj->width = width; + obj->height = height; + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} +#endif + +#if CAIRO_HAS_EGL_FUNCTIONS +cairo_surface_t * +cairo_gl_surface_create_for_egl (cairo_device_t *device, + EGLSurface egl, + int width, + int height) +{ + cairo_surface_t *ret; + + _enter_trace (); + + ret = DLCALL (cairo_gl_surface_create_for_egl, device, egl, width, height); + + _emit_line_info (); + if (_write_lock ()) { + Object *obj = _create_surface (ret); + + _trace_printf ("dict\n" + " /type /gl set\n" + " /width %d set\n" + " /height %d set\n" + " surface dup /s%ld exch def\n", + width, height, + obj->token); + obj->width = width; + obj->height = height; + obj->defined = TRUE; + _push_object (obj); + dump_stack(__func__); + _write_unlock (); + } + + _exit_trace (); + return ret; +} +#endif +#endif |