add cairo

1 files changed, 1210 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/src/cairo-xml-surface.c b/libs/cairo-1.16.0/src/cairo-xml-surface.c
new file mode 100644
index 0000000..35773a2
--- /dev/null
+++ b/libs/cairo-1.16.0/src/cairo-xml-surface.c
@@ -0,0 +1,1210 @@
+/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2009 Chris Wilson
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ * The Original Code is the cairo graphics library.
+ *
+ * The Initial Developer of the Original Code is Chris Wilson.
+ *
+ * Contributor(s):
+ *      Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+/* This surface is intended to produce a verbose, hierarchical, DAG XML file
+ * representing a single surface. It is intended to be used by debuggers,
+ * such as cairo-sphinx, or by application test-suites that want a log of
+ * operations.
+ */
+
+#include "cairoint.h"
+
+#include "cairo-xml.h"
+
+#include "cairo-clip-private.h"
+#include "cairo-device-private.h"
+#include "cairo-default-context-private.h"
+#include "cairo-image-surface-private.h"
+#include "cairo-error-private.h"
+#include "cairo-output-stream-private.h"
+#include "cairo-recording-surface-inline.h"
+
+#define static cairo_warn static
+
+typedef struct _cairo_xml_surface cairo_xml_surface_t;
+
+typedef struct _cairo_xml {
+    cairo_device_t base;
+
+    cairo_output_stream_t *stream;
+    int indent;
+} cairo_xml_t;
+
+struct _cairo_xml_surface {
+    cairo_surface_t base;
+
+    double width, height;
+};
+
+slim_hidden_proto (cairo_xml_for_recording_surface);
+
+static const cairo_surface_backend_t _cairo_xml_surface_backend;
+
+static const char *
+_operator_to_string (cairo_operator_t op)
+{
+    static const char *names[] = {
+	"CLEAR",	/* CAIRO_OPERATOR_CLEAR */
+
+	"SOURCE",	/* CAIRO_OPERATOR_SOURCE */
+	"OVER",		/* CAIRO_OPERATOR_OVER */
+	"IN",		/* CAIRO_OPERATOR_IN */
+	"OUT",		/* CAIRO_OPERATOR_OUT */
+	"ATOP",		/* CAIRO_OPERATOR_ATOP */
+
+	"DEST",		/* CAIRO_OPERATOR_DEST */
+	"DEST_OVER",	/* CAIRO_OPERATOR_DEST_OVER */
+	"DEST_IN",	/* CAIRO_OPERATOR_DEST_IN */
+	"DEST_OUT",	/* CAIRO_OPERATOR_DEST_OUT */
+	"DEST_ATOP",	/* CAIRO_OPERATOR_DEST_ATOP */
+
+	"XOR",		/* CAIRO_OPERATOR_XOR */
+	"ADD",		/* CAIRO_OPERATOR_ADD */
+	"SATURATE",	/* CAIRO_OPERATOR_SATURATE */
+
+	"MULTIPLY",	/* CAIRO_OPERATOR_MULTIPLY */
+	"SCREEN",	/* CAIRO_OPERATOR_SCREEN */
+	"OVERLAY",	/* CAIRO_OPERATOR_OVERLAY */
+	"DARKEN",	/* CAIRO_OPERATOR_DARKEN */
+	"LIGHTEN",	/* CAIRO_OPERATOR_LIGHTEN */
+	"DODGE",	/* CAIRO_OPERATOR_COLOR_DODGE */
+	"BURN",		/* CAIRO_OPERATOR_COLOR_BURN */
+	"HARD_LIGHT",	/* CAIRO_OPERATOR_HARD_LIGHT */
+	"SOFT_LIGHT",	/* CAIRO_OPERATOR_SOFT_LIGHT */
+	"DIFFERENCE",	/* CAIRO_OPERATOR_DIFFERENCE */
+	"EXCLUSION",	/* CAIRO_OPERATOR_EXCLUSION */
+	"HSL_HUE",	/* CAIRO_OPERATOR_HSL_HUE */
+	"HSL_SATURATION", /* CAIRO_OPERATOR_HSL_SATURATION */
+	"HSL_COLOR",	/* CAIRO_OPERATOR_HSL_COLOR */
+	"HSL_LUMINOSITY" /* CAIRO_OPERATOR_HSL_LUMINOSITY */
+    };
+    assert (op < ARRAY_LENGTH (names));
+    return names[op];
+}
+
+static const char *
+_extend_to_string (cairo_extend_t extend)
+{
+    static const char *names[] = {
+	"EXTEND_NONE",		/* CAIRO_EXTEND_NONE */
+	"EXTEND_REPEAT",	/* CAIRO_EXTEND_REPEAT */
+	"EXTEND_REFLECT",	/* CAIRO_EXTEND_REFLECT */
+	"EXTEND_PAD"		/* CAIRO_EXTEND_PAD */
+    };
+    assert (extend < ARRAY_LENGTH (names));
+    return names[extend];
+}
+
+static const char *
+_filter_to_string (cairo_filter_t filter)
+{
+    static const char *names[] = {
+	"FILTER_FAST",		/* CAIRO_FILTER_FAST */
+	"FILTER_GOOD",		/* CAIRO_FILTER_GOOD */
+	"FILTER_BEST",		/* CAIRO_FILTER_BEST */
+	"FILTER_NEAREST",	/* CAIRO_FILTER_NEAREST */
+	"FILTER_BILINEAR",	/* CAIRO_FILTER_BILINEAR */
+	"FILTER_GAUSSIAN",	/* CAIRO_FILTER_GAUSSIAN */
+    };
+    assert (filter < ARRAY_LENGTH (names));
+    return names[filter];
+}
+
+static const char *
+_fill_rule_to_string (cairo_fill_rule_t rule)
+{
+    static const char *names[] = {
+	"WINDING",	/* CAIRO_FILL_RULE_WINDING */
+	"EVEN_ODD"	/* CAIRO_FILL_RILE_EVEN_ODD */
+    };
+    assert (rule < ARRAY_LENGTH (names));
+    return names[rule];
+}
+
+static const char *
+_antialias_to_string (cairo_antialias_t antialias)
+{
+    static const char *names[] = {
+	"DEFAULT",	/* CAIRO_ANTIALIAS_DEFAULT */
+	"NONE",         /* CAIRO_ANTIALIAS_NONE */
+	"GRAY",         /* CAIRO_ANTIALIAS_GRAY */
+	"SUBPIXEL",	/* CAIRO_ANTIALIAS_SUBPIXEL */
+	"FAST",         /* CAIRO_ANTIALIAS_FAST */
+	"GOOD",         /* CAIRO_ANTIALIAS_GOOD */
+	"BEST",         /* CAIRO_ANTIALIAS_BEST */
+    };
+    assert (antialias < ARRAY_LENGTH (names));
+    return names[antialias];
+}
+
+static const char *
+_line_cap_to_string (cairo_line_cap_t line_cap)
+{
+    static const char *names[] = {
+	"LINE_CAP_BUTT",	/* CAIRO_LINE_CAP_BUTT */
+	"LINE_CAP_ROUND",	/* CAIRO_LINE_CAP_ROUND */
+	"LINE_CAP_SQUARE"	/* CAIRO_LINE_CAP_SQUARE */
+    };
+    assert (line_cap < ARRAY_LENGTH (names));
+    return names[line_cap];
+}
+
+static const char *
+_line_join_to_string (cairo_line_join_t line_join)
+{
+    static const char *names[] = {
+	"LINE_JOIN_MITER",	/* CAIRO_LINE_JOIN_MITER */
+	"LINE_JOIN_ROUND",	/* CAIRO_LINE_JOIN_ROUND */
+	"LINE_JOIN_BEVEL",	/* CAIRO_LINE_JOIN_BEVEL */
+    };
+    assert (line_join < ARRAY_LENGTH (names));
+    return names[line_join];
+}
+
+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";
+    }
+}
+
+static const char *
+_format_to_string (cairo_format_t format)
+{
+    switch (format) {
+    case CAIRO_FORMAT_ARGB32:  return "ARGB32";
+    case CAIRO_FORMAT_RGB30:   return "RGB30";
+    case CAIRO_FORMAT_RGB24:   return "RGB24";
+    case CAIRO_FORMAT_RGB16_565:   return "RGB16_565";
+    case CAIRO_FORMAT_A8:      return "A8";
+    case CAIRO_FORMAT_A1:      return "A1";
+    case CAIRO_FORMAT_INVALID: return "INVALID";
+    }
+    ASSERT_NOT_REACHED;
+    return "INVALID";
+}
+
+static cairo_status_t
+_device_flush (void *abstract_device)
+{
+    cairo_xml_t *xml = abstract_device;
+    cairo_status_t status;
+
+    status = _cairo_output_stream_flush (xml->stream);
+
+    return status;
+}
+
+static void
+_device_destroy (void *abstract_device)
+{
+    cairo_xml_t *xml = abstract_device;
+    cairo_status_t status;
+
+    status = _cairo_output_stream_destroy (xml->stream);
+
+    free (xml);
+}
+
+static const cairo_device_backend_t _cairo_xml_device_backend = {
+    CAIRO_DEVICE_TYPE_XML,
+
+    NULL, NULL, /* lock, unlock */
+
+    _device_flush,
+    NULL,  /* finish */
+    _device_destroy
+};
+
+static cairo_device_t *
+_cairo_xml_create_internal (cairo_output_stream_t *stream)
+{
+    cairo_xml_t *xml;
+
+    xml = _cairo_malloc (sizeof (cairo_xml_t));
+    if (unlikely (xml == NULL))
+	return _cairo_device_create_in_error (CAIRO_STATUS_NO_MEMORY);
+
+    memset (xml, 0, sizeof (cairo_xml_t));
+
+    _cairo_device_init (&xml->base, &_cairo_xml_device_backend);
+
+    xml->indent = 0;
+    xml->stream = stream;
+
+    return &xml->base;
+}
+
+static void
+_cairo_xml_indent (cairo_xml_t *xml, int indent)
+{
+    xml->indent += indent;
+    assert (xml->indent >= 0);
+}
+
+static void CAIRO_PRINTF_FORMAT (2, 3)
+_cairo_xml_printf (cairo_xml_t *xml, const char *fmt, ...)
+{
+    va_list ap;
+    char indent[80];
+    int len;
+
+    len = MIN (xml->indent, ARRAY_LENGTH (indent));
+    memset (indent, ' ', len);
+    _cairo_output_stream_write (xml->stream, indent, len);
+
+    va_start (ap, fmt);
+    _cairo_output_stream_vprintf (xml->stream, fmt, ap);
+    va_end (ap);
+
+    _cairo_output_stream_write (xml->stream, "\n", 1);
+}
+
+static void CAIRO_PRINTF_FORMAT (2, 3)
+_cairo_xml_printf_start (cairo_xml_t *xml, const char *fmt, ...)
+{
+    char indent[80];
+    int len;
+
+    len = MIN (xml->indent, ARRAY_LENGTH (indent));
+    memset (indent, ' ', len);
+    _cairo_output_stream_write (xml->stream, indent, len);
+
+    if (fmt != NULL) {
+	va_list ap;
+
+	va_start (ap, fmt);
+	_cairo_output_stream_vprintf (xml->stream, fmt, ap);
+	va_end (ap);
+    }
+}
+
+static void CAIRO_PRINTF_FORMAT (2, 3)
+_cairo_xml_printf_continue (cairo_xml_t *xml, const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start (ap, fmt);
+    _cairo_output_stream_vprintf (xml->stream, fmt, ap);
+    va_end (ap);
+}
+
+static void CAIRO_PRINTF_FORMAT (2, 3)
+_cairo_xml_printf_end (cairo_xml_t *xml, const char *fmt, ...)
+{
+    if (fmt != NULL) {
+	va_list ap;
+
+	va_start (ap, fmt);
+	_cairo_output_stream_vprintf (xml->stream, fmt, ap);
+	va_end (ap);
+    }
+
+    _cairo_output_stream_write (xml->stream, "\n", 1);
+}
+
+static cairo_surface_t *
+_cairo_xml_surface_create_similar (void			*abstract_surface,
+				   cairo_content_t	 content,
+				   int			 width,
+				   int			 height)
+{
+    cairo_rectangle_t extents;
+
+    extents.x = extents.y = 0;
+    extents.width  = width;
+    extents.height = height;
+
+    return cairo_recording_surface_create (content, &extents);
+}
+
+static cairo_bool_t
+_cairo_xml_surface_get_extents (void *abstract_surface,
+				cairo_rectangle_int_t *rectangle)
+{
+    cairo_xml_surface_t *surface = abstract_surface;
+
+    if (surface->width < 0 || surface->height < 0)
+	return FALSE;
+
+    rectangle->x = 0;
+    rectangle->y = 0;
+    rectangle->width  = surface->width;
+    rectangle->height = surface->height;
+
+    return TRUE;
+}
+
+static cairo_status_t
+_cairo_xml_move_to (void *closure,
+		    const cairo_point_t *p1)
+{
+    _cairo_xml_printf_continue (closure, " %f %f m",
+				_cairo_fixed_to_double (p1->x),
+				_cairo_fixed_to_double (p1->y));
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_cairo_xml_line_to (void *closure,
+		    const cairo_point_t *p1)
+{
+    _cairo_xml_printf_continue (closure, " %f %f l",
+				_cairo_fixed_to_double (p1->x),
+				_cairo_fixed_to_double (p1->y));
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_cairo_xml_curve_to (void *closure,
+		     const cairo_point_t *p1,
+		     const cairo_point_t *p2,
+		     const cairo_point_t *p3)
+{
+    _cairo_xml_printf_continue (closure, " %f %f %f %f %f %f c",
+				_cairo_fixed_to_double (p1->x),
+				_cairo_fixed_to_double (p1->y),
+				_cairo_fixed_to_double (p2->x),
+				_cairo_fixed_to_double (p2->y),
+				_cairo_fixed_to_double (p3->x),
+				_cairo_fixed_to_double (p3->y));
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_cairo_xml_close_path (void *closure)
+{
+    _cairo_xml_printf_continue (closure, " h");
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static void
+_cairo_xml_emit_path (cairo_xml_t *xml,
+		      const cairo_path_fixed_t *path)
+{
+    cairo_status_t status;
+
+    _cairo_xml_printf_start (xml, "<path>");
+    status = _cairo_path_fixed_interpret (path,
+					_cairo_xml_move_to,
+					_cairo_xml_line_to,
+					_cairo_xml_curve_to,
+					_cairo_xml_close_path,
+					xml);
+    assert (status == CAIRO_STATUS_SUCCESS);
+    _cairo_xml_printf_end (xml, "</path>");
+}
+
+static void
+_cairo_xml_emit_string (cairo_xml_t *xml,
+			const char *node,
+			const char *data)
+{
+    _cairo_xml_printf (xml, "<%s>%s</%s>", node, data, node);
+}
+
+static void
+_cairo_xml_emit_double (cairo_xml_t *xml,
+			const char *node,
+			double data)
+{
+    _cairo_xml_printf (xml, "<%s>%f</%s>", node, data, node);
+}
+
+static cairo_xml_t *
+to_xml (cairo_xml_surface_t *surface)
+{
+    return (cairo_xml_t *) surface->base.device;
+}
+
+static cairo_status_t
+_cairo_xml_surface_emit_clip_boxes (cairo_xml_surface_t *surface,
+				    const cairo_clip_t *clip)
+{
+    cairo_box_t *box;
+    cairo_xml_t *xml;
+    int n;
+
+    if (clip->num_boxes == 0)
+	return CAIRO_STATUS_SUCCESS;
+
+    /* skip the trivial clip covering the surface extents */
+    if (surface->width >= 0 && surface->height >= 0 && clip->num_boxes == 1) {
+	box = &clip->boxes[0];
+	if (box->p1.x <= 0 && box->p1.y <= 0 &&
+	    box->p2.x - box->p1.x >= _cairo_fixed_from_double (surface->width) &&
+	    box->p2.y - box->p1.y >= _cairo_fixed_from_double (surface->height))
+	{
+	    return CAIRO_STATUS_SUCCESS;
+	}
+    }
+
+    xml = to_xml (surface);
+
+    _cairo_xml_printf (xml, "<clip>");
+    _cairo_xml_indent (xml, 2);
+
+    _cairo_xml_printf (xml, "<path>");
+    _cairo_xml_indent (xml, 2);
+    for (n = 0; n < clip->num_boxes; n++) {
+	box = &clip->boxes[n];
+
+	_cairo_xml_printf_start (xml, "%f %f m",
+				 _cairo_fixed_to_double (box->p1.x),
+				 _cairo_fixed_to_double (box->p1.y));
+	_cairo_xml_printf_continue (xml, " %f %f l",
+				    _cairo_fixed_to_double (box->p2.x),
+				    _cairo_fixed_to_double (box->p1.y));
+	_cairo_xml_printf_continue (xml, " %f %f l",
+				    _cairo_fixed_to_double (box->p2.x),
+				    _cairo_fixed_to_double (box->p2.y));
+	_cairo_xml_printf_continue (xml, " %f %f l",
+				    _cairo_fixed_to_double (box->p1.x),
+				    _cairo_fixed_to_double (box->p2.y));
+	_cairo_xml_printf_end (xml, " h");
+    }
+    _cairo_xml_indent (xml, -2);
+    _cairo_xml_printf (xml, "</path>");
+    _cairo_xml_emit_double (xml, "tolerance", 1.0);
+    _cairo_xml_emit_string (xml, "antialias",
+			    _antialias_to_string (CAIRO_ANTIALIAS_NONE));
+    _cairo_xml_emit_string (xml, "fill-rule",
+			    _fill_rule_to_string (CAIRO_FILL_RULE_WINDING));
+
+    _cairo_xml_indent (xml, -2);
+    _cairo_xml_printf (xml, "</clip>");
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_cairo_xml_surface_emit_clip_path (cairo_xml_surface_t *surface,
+				   const cairo_clip_path_t *clip_path)
+{
+    cairo_box_t box;
+    cairo_status_t status;
+    cairo_xml_t *xml;
+
+    if (clip_path == NULL)
+	return CAIRO_STATUS_SUCCESS;
+
+    status = _cairo_xml_surface_emit_clip_path (surface, clip_path->prev);
+    if (unlikely (status))
+	return status;
+
+    /* skip the trivial clip covering the surface extents */
+    if (surface->width >= 0 && surface->height >= 0 &&
+	_cairo_path_fixed_is_box (&clip_path->path, &box))
+    {
+	if (box.p1.x <= 0 && box.p1.y <= 0 &&
+	    box.p2.x - box.p1.x >= _cairo_fixed_from_double (surface->width) &&
+	    box.p2.y - box.p1.y >= _cairo_fixed_from_double (surface->height))
+	{
+	    return CAIRO_STATUS_SUCCESS;
+	}
+    }
+
+    xml = to_xml (surface);
+
+    _cairo_xml_printf_start (xml, "<clip>");
+    _cairo_xml_indent (xml, 2);
+
+    _cairo_xml_emit_path (xml, &clip_path->path);
+    _cairo_xml_emit_double (xml, "tolerance", clip_path->tolerance);
+    _cairo_xml_emit_string (xml, "antialias",
+			    _antialias_to_string (clip_path->antialias));
+    _cairo_xml_emit_string (xml, "fill-rule",
+			    _fill_rule_to_string (clip_path->fill_rule));
+
+    _cairo_xml_indent (xml, -2);
+    _cairo_xml_printf_end (xml, "</clip>");
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_cairo_xml_surface_emit_clip (cairo_xml_surface_t *surface,
+			      const cairo_clip_t *clip)
+{
+    cairo_status_t status;
+
+    if (clip == NULL)
+	return CAIRO_STATUS_SUCCESS;
+
+    status = _cairo_xml_surface_emit_clip_boxes (surface, clip);
+    if (unlikely (status))
+	return status;
+
+    return _cairo_xml_surface_emit_clip_path (surface, clip->path);
+}
+
+static cairo_status_t
+_cairo_xml_emit_solid (cairo_xml_t *xml,
+		       const cairo_solid_pattern_t *solid)
+{
+    _cairo_xml_printf (xml, "<solid>%f %f %f %f</solid>",
+		       solid->color.red,
+		       solid->color.green,
+		       solid->color.blue,
+		       solid->color.alpha);
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static void
+_cairo_xml_emit_matrix (cairo_xml_t *xml,
+			const cairo_matrix_t *matrix)
+{
+    if (! _cairo_matrix_is_identity (matrix)) {
+	_cairo_xml_printf (xml, "<matrix>%f %f %f %f %f %f</matrix>",
+			   matrix->xx, matrix->yx,
+			   matrix->xy, matrix->yy,
+			   matrix->x0, matrix->y0);
+    }
+}
+
+static void
+_cairo_xml_emit_gradient (cairo_xml_t *xml,
+			  const cairo_gradient_pattern_t *gradient)
+{
+    unsigned int i;
+
+    for (i = 0; i < gradient->n_stops; i++) {
+	_cairo_xml_printf (xml,
+			   "<color-stop>%f %f %f %f %f</color-stop>",
+			   gradient->stops[i].offset,
+			   gradient->stops[i].color.red,
+			   gradient->stops[i].color.green,
+			   gradient->stops[i].color.blue,
+			   gradient->stops[i].color.alpha);
+    }
+}
+
+static cairo_status_t
+_cairo_xml_emit_linear (cairo_xml_t *xml,
+			const cairo_linear_pattern_t *linear)
+{
+    _cairo_xml_printf (xml,
+		       "<linear x1='%f' y1='%f' x2='%f' y2='%f'>",
+		       linear->pd1.x, linear->pd1.y,
+		       linear->pd2.x, linear->pd2.y);
+    _cairo_xml_indent (xml, 2);
+    _cairo_xml_emit_gradient (xml, &linear->base);
+    _cairo_xml_indent (xml, -2);
+    _cairo_xml_printf (xml, "</linear>");
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_cairo_xml_emit_radial (cairo_xml_t *xml,
+			const cairo_radial_pattern_t *radial)
+{
+    _cairo_xml_printf (xml,
+		       "<radial x1='%f' y1='%f' r1='%f' x2='%f' y2='%f' r2='%f'>",
+		       radial->cd1.center.x, radial->cd1.center.y, radial->cd1.radius,
+		       radial->cd2.center.x, radial->cd2.center.y, radial->cd2.radius);
+    _cairo_xml_indent (xml, 2);
+    _cairo_xml_emit_gradient (xml, &radial->base);
+    _cairo_xml_indent (xml, -2);
+    _cairo_xml_printf (xml, "</radial>");
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_write_func (void *closure, const unsigned char *data, unsigned len)
+{
+    _cairo_output_stream_write (closure, data, len);
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_cairo_xml_emit_image (cairo_xml_t *xml,
+		       cairo_image_surface_t *image)
+{
+    cairo_output_stream_t *stream;
+    cairo_status_t status;
+
+    _cairo_xml_printf_start (xml,
+			     "<image width='%d' height='%d' format='%s'>",
+			     image->width, image->height,
+			     _format_to_string (image->format));
+
+    stream = _cairo_base64_stream_create (xml->stream);
+    status = cairo_surface_write_to_png_stream (&image->base,
+						_write_func, stream);
+    assert (status == CAIRO_STATUS_SUCCESS);
+    status = _cairo_output_stream_destroy (stream);
+    if (unlikely (status))
+	return status;
+
+    _cairo_xml_printf_end (xml, "</image>");
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_cairo_xml_emit_surface (cairo_xml_t *xml,
+			 const cairo_surface_pattern_t *pattern)
+{
+    cairo_surface_t *source = pattern->surface;
+    cairo_status_t status;
+
+    if (_cairo_surface_is_recording (source)) {
+	status = cairo_xml_for_recording_surface (&xml->base, source);
+    } else {
+	cairo_image_surface_t *image;
+	void *image_extra;
+
+	status = _cairo_surface_acquire_source_image (source,
+						      &image, &image_extra);
+	if (unlikely (status))
+	    return status;
+
+	status = _cairo_xml_emit_image (xml, image);
+
+	_cairo_surface_release_source_image (source, image, image_extra);
+    }
+
+    return status;
+}
+
+static cairo_status_t
+_cairo_xml_emit_pattern (cairo_xml_t *xml,
+			 const char *source_or_mask,
+			 const cairo_pattern_t *pattern)
+{
+    cairo_status_t status;
+
+    _cairo_xml_printf (xml, "<%s-pattern>", source_or_mask);
+    _cairo_xml_indent (xml, 2);
+
+    switch (pattern->type) {
+    case CAIRO_PATTERN_TYPE_SOLID:
+	status = _cairo_xml_emit_solid (xml, (cairo_solid_pattern_t *) pattern);
+	break;
+    case CAIRO_PATTERN_TYPE_LINEAR:
+	status = _cairo_xml_emit_linear (xml, (cairo_linear_pattern_t *) pattern);
+	break;
+    case CAIRO_PATTERN_TYPE_RADIAL:
+	status = _cairo_xml_emit_radial (xml, (cairo_radial_pattern_t *) pattern);
+	break;
+    case CAIRO_PATTERN_TYPE_SURFACE:
+	status = _cairo_xml_emit_surface (xml, (cairo_surface_pattern_t *) pattern);
+	break;
+    default:
+	ASSERT_NOT_REACHED;
+	status = CAIRO_INT_STATUS_UNSUPPORTED;
+	break;
+    }
+
+    if (pattern->type != CAIRO_PATTERN_TYPE_SOLID) {
+	_cairo_xml_emit_matrix (xml, &pattern->matrix);
+	_cairo_xml_printf (xml,
+			   "<extend>%s</extend>",
+			   _extend_to_string (pattern->extend));
+	_cairo_xml_printf (xml,
+			   "<filter>%s</filter>",
+			   _filter_to_string (pattern->filter));
+    }
+
+    _cairo_xml_indent (xml, -2);
+    _cairo_xml_printf (xml, "</%s-pattern>", source_or_mask);
+
+    return status;
+}
+
+static cairo_int_status_t
+_cairo_xml_surface_paint (void			*abstract_surface,
+			  cairo_operator_t	 op,
+			  const cairo_pattern_t	*source,
+			  const cairo_clip_t	*clip)
+{
+    cairo_xml_surface_t *surface = abstract_surface;
+    cairo_xml_t *xml = to_xml (surface);
+    cairo_status_t status;
+
+    _cairo_xml_printf (xml, "<paint>");
+    _cairo_xml_indent (xml, 2);
+
+    _cairo_xml_emit_string (xml, "operator", _operator_to_string (op));
+
+    status = _cairo_xml_surface_emit_clip (surface, clip);
+    if (unlikely (status))
+	return status;
+
+    status = _cairo_xml_emit_pattern (xml, "source", source);
+    if (unlikely (status))
+	return status;
+
+    _cairo_xml_indent (xml, -2);
+    _cairo_xml_printf (xml, "</paint>");
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_int_status_t
+_cairo_xml_surface_mask (void			*abstract_surface,
+			 cairo_operator_t	 op,
+			 const cairo_pattern_t	*source,
+			 const cairo_pattern_t	*mask,
+			 const cairo_clip_t	*clip)
+{
+    cairo_xml_surface_t *surface = abstract_surface;
+    cairo_xml_t *xml = to_xml (surface);
+    cairo_status_t status;
+
+    _cairo_xml_printf (xml, "<mask>");
+    _cairo_xml_indent (xml, 2);
+
+    _cairo_xml_emit_string (xml, "operator", _operator_to_string (op));
+
+    status = _cairo_xml_surface_emit_clip (surface, clip);
+    if (unlikely (status))
+	return status;
+
+    status = _cairo_xml_emit_pattern (xml, "source", source);
+    if (unlikely (status))
+	return status;
+
+    status = _cairo_xml_emit_pattern (xml, "mask", mask);
+    if (unlikely (status))
+	return status;
+
+    _cairo_xml_indent (xml, -2);
+    _cairo_xml_printf (xml, "</mask>");
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_int_status_t
+_cairo_xml_surface_stroke (void				*abstract_surface,
+			   cairo_operator_t		 op,
+			   const cairo_pattern_t	*source,
+			   const cairo_path_fixed_t		*path,
+			   const cairo_stroke_style_t		*style,
+			   const cairo_matrix_t		*ctm,
+			   const cairo_matrix_t		*ctm_inverse,
+			   double			 tolerance,
+			   cairo_antialias_t		 antialias,
+			   const cairo_clip_t		*clip)
+{
+    cairo_xml_surface_t *surface = abstract_surface;
+    cairo_xml_t *xml = to_xml (surface);
+    cairo_status_t status;
+
+    _cairo_xml_printf (xml, "<stroke>");
+    _cairo_xml_indent (xml, 2);
+
+    _cairo_xml_emit_string (xml, "operator", _operator_to_string (op));
+    _cairo_xml_emit_double (xml, "line-width", style->line_width);
+    _cairo_xml_emit_double (xml, "miter-limit", style->miter_limit);
+    _cairo_xml_emit_string (xml, "line-cap", _line_cap_to_string (style->line_cap));
+    _cairo_xml_emit_string (xml, "line-join", _line_join_to_string (style->line_join));
+
+    status = _cairo_xml_surface_emit_clip (surface, clip);
+    if (unlikely (status))
+	return status;
+
+    status = _cairo_xml_emit_pattern (xml, "source", source);
+    if (unlikely (status))
+	return status;
+
+    if (style->num_dashes) {
+	unsigned int i;
+
+	_cairo_xml_printf_start (xml, "<dash offset='%f'>",
+				 style->dash_offset);
+	for (i = 0; i < style->num_dashes; i++)
+	    _cairo_xml_printf_continue (xml, "%f ", style->dash[i]);
+
+	_cairo_xml_printf_end (xml, "</dash>");
+    }
+
+    _cairo_xml_emit_path (xml, path);
+    _cairo_xml_emit_double (xml, "tolerance", tolerance);
+    _cairo_xml_emit_string (xml, "antialias", _antialias_to_string (antialias));
+
+    _cairo_xml_emit_matrix (xml, ctm);
+
+    _cairo_xml_indent (xml, -2);
+    _cairo_xml_printf (xml, "</stroke>");
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_int_status_t
+_cairo_xml_surface_fill (void			*abstract_surface,
+			 cairo_operator_t	 op,
+			 const cairo_pattern_t	*source,
+			 const cairo_path_fixed_t*path,
+			 cairo_fill_rule_t	 fill_rule,
+			 double			 tolerance,
+			 cairo_antialias_t	 antialias,
+			 const cairo_clip_t	*clip)
+{
+    cairo_xml_surface_t *surface = abstract_surface;
+    cairo_xml_t *xml = to_xml (surface);
+    cairo_status_t status;
+
+    _cairo_xml_printf (xml, "<fill>");
+    _cairo_xml_indent (xml, 2);
+
+    _cairo_xml_emit_string (xml, "operator", _operator_to_string (op));
+
+    status = _cairo_xml_surface_emit_clip (surface, clip);
+    if (unlikely (status))
+	return status;
+
+    status = _cairo_xml_emit_pattern (xml, "source", source);
+    if (unlikely (status))
+	return status;
+
+    _cairo_xml_emit_path (xml, path);
+    _cairo_xml_emit_double (xml, "tolerance", tolerance);
+    _cairo_xml_emit_string (xml, "antialias", _antialias_to_string (antialias));
+    _cairo_xml_emit_string (xml, "fill-rule", _fill_rule_to_string (fill_rule));
+
+    _cairo_xml_indent (xml, -2);
+    _cairo_xml_printf (xml, "</fill>");
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+#if CAIRO_HAS_FT_FONT
+#include "cairo-ft-private.h"
+static cairo_status_t
+_cairo_xml_emit_type42_font (cairo_xml_t *xml,
+			     cairo_scaled_font_t *scaled_font)
+{
+    const cairo_scaled_font_backend_t *backend;
+    cairo_output_stream_t *base64_stream;
+    cairo_output_stream_t *zlib_stream;
+    cairo_status_t status, status2;
+    unsigned long size;
+    uint32_t len;
+    uint8_t *buf;
+
+    backend = scaled_font->backend;
+    if (backend->load_truetype_table == NULL)
+	return CAIRO_INT_STATUS_UNSUPPORTED;
+
+    size = 0;
+    status = backend->load_truetype_table (scaled_font, 0, 0, NULL, &size);
+    if (unlikely (status))
+	return status;
+
+    buf = _cairo_malloc (size);
+    if (unlikely (buf == NULL))
+	return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+
+    status = backend->load_truetype_table (scaled_font, 0, 0, buf, &size);
+    if (unlikely (status)) {
+	free (buf);
+	return status;
+    }
+
+    _cairo_xml_printf_start (xml, "<font type='42' flags='%d' index='0'>",
+		       _cairo_ft_scaled_font_get_load_flags (scaled_font));
+
+
+    base64_stream = _cairo_base64_stream_create (xml->stream);
+    len = size;
+    _cairo_output_stream_write (base64_stream, &len, sizeof (len));
+
+    zlib_stream = _cairo_deflate_stream_create (base64_stream);
+
+    _cairo_output_stream_write (zlib_stream, buf, size);
+    free (buf);
+
+    status2 = _cairo_output_stream_destroy (zlib_stream);
+    if (status == CAIRO_STATUS_SUCCESS)
+	status = status2;
+
+    status2 = _cairo_output_stream_destroy (base64_stream);
+    if (status == CAIRO_STATUS_SUCCESS)
+	status = status2;
+
+    _cairo_xml_printf_end (xml, "</font>");
+
+    return status;
+}
+#else
+static cairo_status_t
+_cairo_xml_emit_type42_font (cairo_xml_t *xml,
+			     cairo_scaled_font_t *scaled_font)
+{
+    return CAIRO_INT_STATUS_UNSUPPORTED;
+}
+#endif
+
+static cairo_status_t
+_cairo_xml_emit_type3_font (cairo_xml_t *xml,
+			    cairo_scaled_font_t *scaled_font,
+			    cairo_glyph_t *glyphs,
+			    int num_glyphs)
+{
+    _cairo_xml_printf_start (xml, "<font type='3'>");
+    _cairo_xml_printf_end (xml, "</font>");
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_cairo_xml_emit_scaled_font (cairo_xml_t *xml,
+			     cairo_scaled_font_t *scaled_font,
+			     cairo_glyph_t *glyphs,
+			     int num_glyphs)
+{
+    cairo_int_status_t status;
+
+    _cairo_xml_printf (xml, "<scaled-font>");
+    _cairo_xml_indent (xml, 2);
+
+    status = _cairo_xml_emit_type42_font (xml, scaled_font);
+    if (status == CAIRO_INT_STATUS_UNSUPPORTED) {
+	status = _cairo_xml_emit_type3_font (xml, scaled_font,
+					     glyphs, num_glyphs);
+    }
+
+    _cairo_xml_indent (xml, -2);
+    _cairo_xml_printf (xml, "<scaled-font>");
+
+    return status;
+}
+
+static cairo_int_status_t
+_cairo_xml_surface_glyphs (void			    *abstract_surface,
+			   cairo_operator_t	     op,
+			   const cairo_pattern_t    *source,
+			   cairo_glyph_t	    *glyphs,
+			   int			     num_glyphs,
+			   cairo_scaled_font_t	    *scaled_font,
+			   const cairo_clip_t       *clip)
+{
+    cairo_xml_surface_t *surface = abstract_surface;
+    cairo_xml_t *xml = to_xml (surface);
+    cairo_status_t status;
+    int i;
+
+    _cairo_xml_printf (xml, "<glyphs>");
+    _cairo_xml_indent (xml, 2);
+
+    _cairo_xml_emit_string (xml, "operator", _operator_to_string (op));
+
+    status = _cairo_xml_surface_emit_clip (surface, clip);
+    if (unlikely (status))
+	return status;
+
+    status = _cairo_xml_emit_pattern (xml, "source", source);
+    if (unlikely (status))
+	return status;
+
+    status = _cairo_xml_emit_scaled_font (xml, scaled_font, glyphs, num_glyphs);
+    if (unlikely (status))
+	return status;
+
+    for (i = 0; i < num_glyphs; i++) {
+	_cairo_xml_printf (xml, "<glyph index='%lu'>%f %f</glyph>",
+			   glyphs[i].index,
+			   glyphs[i].x,
+			   glyphs[i].y);
+    }
+
+    _cairo_xml_indent (xml, -2);
+    _cairo_xml_printf (xml, "</glyphs>");
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static const cairo_surface_backend_t
+_cairo_xml_surface_backend = {
+    CAIRO_SURFACE_TYPE_XML,
+    NULL,
+
+    _cairo_default_context_create,
+
+    _cairo_xml_surface_create_similar,
+    NULL, /* create_similar_image */
+    NULL, /* map_to_image */
+    NULL, /* unmap_image */
+
+    _cairo_surface_default_source,
+    NULL, /* acquire source image */
+    NULL, /* release source image */
+    NULL, /* snapshot */
+
+    NULL, /* copy page */
+    NULL, /* show page */
+
+    _cairo_xml_surface_get_extents,
+    NULL, /* get_font_options */
+
+    NULL, /* flush */
+    NULL, /* mark_dirty_rectangle */
+
+    _cairo_xml_surface_paint,
+    _cairo_xml_surface_mask,
+    _cairo_xml_surface_stroke,
+    _cairo_xml_surface_fill,
+    NULL, /* fill_stroke */
+    _cairo_xml_surface_glyphs,
+};
+
+static cairo_surface_t *
+_cairo_xml_surface_create_internal (cairo_device_t *device,
+				    cairo_content_t content,
+				    double width,
+				    double height)
+{
+    cairo_xml_surface_t *surface;
+
+    surface = _cairo_malloc (sizeof (cairo_xml_surface_t));
+    if (unlikely (surface == NULL))
+	return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
+
+    _cairo_surface_init (&surface->base,
+			 &_cairo_xml_surface_backend,
+			 device,
+			 content,
+			 TRUE); /* is_vector */
+
+    surface->width = width;
+    surface->height = height;
+
+    return &surface->base;
+}
+
+cairo_device_t *
+cairo_xml_create (const char *filename)
+{
+    cairo_output_stream_t *stream;
+    cairo_status_t status;
+
+    stream = _cairo_output_stream_create_for_filename (filename);
+    if ((status = _cairo_output_stream_get_status (stream)))
+	return _cairo_device_create_in_error (status);
+
+    return _cairo_xml_create_internal (stream);
+}
+
+cairo_device_t *
+cairo_xml_create_for_stream (cairo_write_func_t	 write_func,
+			     void		*closure)
+{
+    cairo_output_stream_t *stream;
+    cairo_status_t status;
+
+    stream = _cairo_output_stream_create (write_func, NULL, closure);
+    if ((status = _cairo_output_stream_get_status (stream)))
+	return _cairo_device_create_in_error (status);
+
+    return _cairo_xml_create_internal (stream);
+}
+
+cairo_surface_t *
+cairo_xml_surface_create (cairo_device_t *device,
+			  cairo_content_t content,
+			  double width, double height)
+{
+    if (unlikely (device->backend->type != CAIRO_DEVICE_TYPE_XML))
+	return _cairo_surface_create_in_error (CAIRO_STATUS_DEVICE_TYPE_MISMATCH);
+
+    if (unlikely (device->status))
+	return _cairo_surface_create_in_error (device->status);
+
+    return _cairo_xml_surface_create_internal (device, content, width, height);
+}
+
+cairo_status_t
+cairo_xml_for_recording_surface (cairo_device_t	 *device,
+				 cairo_surface_t *recording_surface)
+{
+    cairo_box_t bbox;
+    cairo_rectangle_int_t extents;
+    cairo_surface_t *surface;
+    cairo_xml_t *xml;
+    cairo_status_t status;
+
+    if (unlikely (device->status))
+	return device->status;
+
+    if (unlikely (recording_surface->status))
+	return recording_surface->status;
+
+    if (unlikely (device->backend->type != CAIRO_DEVICE_TYPE_XML))
+	return _cairo_error (CAIRO_STATUS_DEVICE_TYPE_MISMATCH);
+
+    if (unlikely (! _cairo_surface_is_recording (recording_surface)))
+	return _cairo_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
+
+    status = _cairo_recording_surface_get_bbox ((cairo_recording_surface_t *) recording_surface,
+						&bbox, NULL);
+    if (unlikely (status))
+	return status;
+
+    _cairo_box_round_to_rectangle (&bbox, &extents);
+    surface = _cairo_xml_surface_create_internal (device,
+						  recording_surface->content,
+						  extents.width,
+						  extents.height);
+    if (unlikely (surface->status))
+	return surface->status;
+
+    xml = (cairo_xml_t *) device;
+
+    _cairo_xml_printf (xml,
+		       "<surface content='%s' width='%d' height='%d'>",
+		       _content_to_string (recording_surface->content),
+		       extents.width, extents.height);
+    _cairo_xml_indent (xml, 2);
+
+    cairo_surface_set_device_offset (surface, -extents.x, -extents.y);
+    status = _cairo_recording_surface_replay (recording_surface, surface);
+    cairo_surface_destroy (surface);
+
+    _cairo_xml_indent (xml, -2);
+    _cairo_xml_printf (xml, "</surface>");
+
+    return status;
+}
+slim_hidden_def (cairo_xml_for_recording_surface);