diff options
Diffstat (limited to 'libs/cairo-1.16.0/src/win32/cairo-win32-printing-surface.c')
| -rw-r--r-- | libs/cairo-1.16.0/src/win32/cairo-win32-printing-surface.c | 2226 |
1 files changed, 2226 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/src/win32/cairo-win32-printing-surface.c b/libs/cairo-1.16.0/src/win32/cairo-win32-printing-surface.c new file mode 100644 index 0000000..da7357c --- /dev/null +++ b/libs/cairo-1.16.0/src/win32/cairo-win32-printing-surface.c @@ -0,0 +1,2226 @@ +/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */ +/* Cairo - a vector graphics library with display and print output + * + * Copyright © 2007, 2008 Adrian Johnson + * + * 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 Adrian Johnson. + * + * Contributor(s): + * Adrian Johnson <ajohnson@redneon.com> + * Vladimir Vukicevic <vladimir@pobox.com> + */ + +#define WIN32_LEAN_AND_MEAN +/* We require Windows 2000 features such as ETO_PDY */ +#if !defined(WINVER) || (WINVER < 0x0500) +# define WINVER 0x0500 +#endif +#if !defined(_WIN32_WINNT) || (_WIN32_WINNT < 0x0500) +# define _WIN32_WINNT 0x0500 +#endif + +#include "cairoint.h" + +#include "cairo-default-context-private.h" +#include "cairo-error-private.h" +#include "cairo-paginated-private.h" + +#include "cairo-clip-private.h" +#include "cairo-composite-rectangles-private.h" +#include "cairo-win32-private.h" +#include "cairo-recording-surface-inline.h" +#include "cairo-scaled-font-subsets-private.h" +#include "cairo-image-info-private.h" +#include "cairo-image-surface-inline.h" +#include "cairo-image-surface-private.h" +#include "cairo-surface-backend-private.h" +#include "cairo-surface-clipper-private.h" +#include "cairo-surface-snapshot-inline.h" +#include "cairo-surface-subsurface-private.h" + +#include <windows.h> + +#if !defined(POSTSCRIPT_IDENTIFY) +# define POSTSCRIPT_IDENTIFY 0x1015 +#endif + +#if !defined(PSIDENT_GDICENTRIC) +# define PSIDENT_GDICENTRIC 0x0000 +#endif + +#if !defined(GET_PS_FEATURESETTING) +# define GET_PS_FEATURESETTING 0x1019 +#endif + +#if !defined(FEATURESETTING_PSLEVEL) +# define FEATURESETTING_PSLEVEL 0x0002 +#endif + +#if !defined(GRADIENT_FILL_RECT_H) +# define GRADIENT_FILL_RECT_H 0x00 +#endif + +#if !defined(CHECKJPEGFORMAT) +# define CHECKJPEGFORMAT 0x1017 +#endif + +#if !defined(CHECKPNGFORMAT) +# define CHECKPNGFORMAT 0x1018 +#endif + +#define PELS_72DPI ((LONG)(72. / 0.0254)) + +static const char *_cairo_win32_printing_supported_mime_types[] = +{ + CAIRO_MIME_TYPE_JPEG, + CAIRO_MIME_TYPE_PNG, + NULL +}; + +static const cairo_surface_backend_t cairo_win32_printing_surface_backend; +static const cairo_paginated_surface_backend_t cairo_win32_surface_paginated_backend; + +static void +_cairo_win32_printing_surface_init_ps_mode (cairo_win32_printing_surface_t *surface) +{ + DWORD word; + INT ps_feature, ps_level; + + word = PSIDENT_GDICENTRIC; + if (ExtEscape (surface->win32.dc, POSTSCRIPT_IDENTIFY, sizeof(DWORD), (char *)&word, 0, (char *)NULL) <= 0) + return; + + ps_feature = FEATURESETTING_PSLEVEL; + if (ExtEscape (surface->win32.dc, GET_PS_FEATURESETTING, sizeof(INT), + (char *)&ps_feature, sizeof(INT), (char *)&ps_level) <= 0) + return; + + if (ps_level >= 3) + surface->win32.flags |= CAIRO_WIN32_SURFACE_CAN_RECT_GRADIENT; +} + +static void +_cairo_win32_printing_surface_init_image_support (cairo_win32_printing_surface_t *surface) +{ + DWORD word; + + word = CHECKJPEGFORMAT; + if (ExtEscape(surface->win32.dc, QUERYESCSUPPORT, sizeof(word), (char *)&word, 0, (char *)NULL) > 0) + surface->win32.flags |= CAIRO_WIN32_SURFACE_CAN_CHECK_JPEG; + + word = CHECKPNGFORMAT; + if (ExtEscape(surface->win32.dc, QUERYESCSUPPORT, sizeof(word), (char *)&word, 0, (char *)NULL) > 0) + surface->win32.flags |= CAIRO_WIN32_SURFACE_CAN_CHECK_PNG; +} + +/* When creating an EMF file, ExtTextOut with ETO_GLYPH_INDEX does not + * work unless the GDI function GdiInitializeLanguagePack() has been + * called. + * + * http://m-a-tech.blogspot.com/2009/04/emf-buffer-idiocracy.html + * + * The only information I could find on the how to use this + * undocumented function is the use in: + * + * http://src.chromium.org/viewvc/chrome/trunk/src/chrome/renderer/render_process.cc?view=markup + * + * to solve the same problem. The above code first checks if LPK.DLL + * is already loaded. If it is not it calls + * GdiInitializeLanguagePack() using the prototype + * BOOL GdiInitializeLanguagePack (int) + * and argument 0. + */ +static void +_cairo_win32_printing_surface_init_language_pack (cairo_win32_printing_surface_t *surface) +{ + typedef BOOL (WINAPI *gdi_init_lang_pack_func_t)(int); + gdi_init_lang_pack_func_t gdi_init_lang_pack; + HMODULE module; + + if (GetModuleHandleW (L"LPK.DLL")) + return; + + module = GetModuleHandleW (L"GDI32.DLL"); + if (module) { + gdi_init_lang_pack = (gdi_init_lang_pack_func_t) + GetProcAddress (module, "GdiInitializeLanguagePack"); + if (gdi_init_lang_pack) + gdi_init_lang_pack (0); + } +} + +/** + * _cairo_win32_printing_surface_acquire_image_pattern: + * @surface: the win32 printing surface + * @pattern: A #cairo_pattern_t of type SURFACE or RASTER_SOURCE to use as the source + * @extents: extents of the operation that is using this source + * @image_pattern: returns pattern containing acquired image. The matrix (adjusted for + * the device offset of raster source) is copied from the pattern. + * @width: returns width of the pattern + * @height: returns height of pattern + * @image_extra: returns image extra for image type surface + * + * Acquire source surface or raster source pattern. + **/ +static cairo_status_t +_cairo_win32_printing_surface_acquire_image_pattern ( + cairo_win32_printing_surface_t *surface, + const cairo_pattern_t *pattern, + const cairo_rectangle_int_t *extents, + cairo_surface_pattern_t *image_pattern, + int *width, + int *height, + void **image_extra) +{ + cairo_status_t status; + cairo_image_surface_t *image; + cairo_matrix_t tm; + double x = 0; + double y = 0; + + switch (pattern->type) { + case CAIRO_PATTERN_TYPE_SURFACE: { + cairo_surface_t *surf = ((cairo_surface_pattern_t *) pattern)->surface; + + status = _cairo_surface_acquire_source_image (surf, &image, image_extra); + if (unlikely (status)) + return status; + + *width = image->width; + *height = image->height; + } break; + + case CAIRO_PATTERN_TYPE_RASTER_SOURCE: { + cairo_surface_t *surf; + cairo_box_t box; + cairo_rectangle_int_t rect; + cairo_raster_source_pattern_t *raster; + + /* get the operation extents in pattern space */ + _cairo_box_from_rectangle (&box, extents); + _cairo_matrix_transform_bounding_box_fixed (&pattern->matrix, &box, NULL); + _cairo_box_round_to_rectangle (&box, &rect); + surf = _cairo_raster_source_pattern_acquire (pattern, &surface->win32.base, &rect); + if (!surf) + return CAIRO_INT_STATUS_UNSUPPORTED; + + assert (_cairo_surface_is_image (surf)); + image = (cairo_image_surface_t *) surf; + cairo_surface_get_device_offset (surf, &x, &y); + + raster = (cairo_raster_source_pattern_t *) pattern; + *width = raster->extents.width; + *height = raster->extents.height; + } break; + + case CAIRO_PATTERN_TYPE_SOLID: + case CAIRO_PATTERN_TYPE_LINEAR: + case CAIRO_PATTERN_TYPE_RADIAL: + case CAIRO_PATTERN_TYPE_MESH: + default: + ASSERT_NOT_REACHED; + break; + } + + _cairo_pattern_init_for_surface (image_pattern, &image->base); + image_pattern->base.extend = pattern->extend; + cairo_matrix_init_translate (&tm, x, y); + status = cairo_matrix_invert (&tm); + /* translation matrices are invertibile */ + assert (status == CAIRO_STATUS_SUCCESS); + + image_pattern->base.matrix = pattern->matrix; + cairo_matrix_multiply (&image_pattern->base.matrix, &image_pattern->base.matrix, &tm); + + return CAIRO_STATUS_SUCCESS; +} + +static void +_cairo_win32_printing_surface_release_image_pattern (cairo_win32_printing_surface_t *surface, + const cairo_pattern_t *pattern, + cairo_surface_pattern_t *image_pattern, + void *image_extra) +{ + cairo_surface_t *surf = image_pattern->surface; + + _cairo_pattern_fini (&image_pattern->base); + switch (pattern->type) { + case CAIRO_PATTERN_TYPE_SURFACE: { + cairo_surface_pattern_t *surf_pat = (cairo_surface_pattern_t *) pattern; + cairo_image_surface_t *image = (cairo_image_surface_t *) surf; + _cairo_surface_release_source_image (surf_pat->surface, image, image_extra); + } break; + + case CAIRO_PATTERN_TYPE_RASTER_SOURCE: + _cairo_raster_source_pattern_release (pattern, surf); + break; + + case CAIRO_PATTERN_TYPE_SOLID: + case CAIRO_PATTERN_TYPE_LINEAR: + case CAIRO_PATTERN_TYPE_RADIAL: + case CAIRO_PATTERN_TYPE_MESH: + default: + ASSERT_NOT_REACHED; + break; + } +} + +static cairo_int_status_t +analyze_surface_pattern_transparency (cairo_win32_printing_surface_t *surface, + const cairo_pattern_t *pattern, + const cairo_rectangle_int_t *extents) +{ + cairo_surface_pattern_t image_pattern; + cairo_image_surface_t *image; + void *image_extra; + cairo_int_status_t status; + cairo_image_transparency_t transparency; + int pattern_width, pattern_height; + + status = _cairo_win32_printing_surface_acquire_image_pattern (surface, + pattern, + extents, + &image_pattern, + &pattern_width, + &pattern_height, + &image_extra); + if (status) + return status; + + image = (cairo_image_surface_t *)(image_pattern.surface); + transparency = _cairo_image_analyze_transparency (image); + switch (transparency) { + case CAIRO_IMAGE_UNKNOWN: + ASSERT_NOT_REACHED; + case CAIRO_IMAGE_IS_OPAQUE: + status = CAIRO_STATUS_SUCCESS; + break; + + case CAIRO_IMAGE_HAS_BILEVEL_ALPHA: + case CAIRO_IMAGE_HAS_ALPHA: + status = CAIRO_INT_STATUS_FLATTEN_TRANSPARENCY; + break; + } + + _cairo_win32_printing_surface_release_image_pattern (surface, pattern, &image_pattern, image_extra); + + return status; +} + +static cairo_bool_t +surface_pattern_supported (const cairo_surface_pattern_t *pattern) +{ + if (_cairo_surface_is_recording (pattern->surface)) + return TRUE; + + if (pattern->surface->backend->acquire_source_image == NULL) + { + return FALSE; + } + + return TRUE; +} + +static cairo_bool_t +pattern_supported (cairo_win32_printing_surface_t *surface, const cairo_pattern_t *pattern) +{ + switch (pattern->type) { + case CAIRO_PATTERN_TYPE_SOLID: + return TRUE; + + case CAIRO_PATTERN_TYPE_LINEAR: + return surface->win32.flags & CAIRO_WIN32_SURFACE_CAN_RECT_GRADIENT; + + case CAIRO_PATTERN_TYPE_RADIAL: + case CAIRO_PATTERN_TYPE_MESH: + return FALSE; + + case CAIRO_PATTERN_TYPE_SURFACE: + return surface_pattern_supported ((cairo_surface_pattern_t *) pattern); + + case CAIRO_PATTERN_TYPE_RASTER_SOURCE: + return TRUE; + + default: + ASSERT_NOT_REACHED; + return FALSE; + } +} + +static cairo_int_status_t +_cairo_win32_printing_surface_analyze_operation (cairo_win32_printing_surface_t *surface, + cairo_operator_t op, + const cairo_pattern_t *pattern, + const cairo_rectangle_int_t *extents) +{ + if (! pattern_supported (surface, pattern)) + return CAIRO_INT_STATUS_UNSUPPORTED; + + if (!(op == CAIRO_OPERATOR_SOURCE || + op == CAIRO_OPERATOR_OVER || + op == CAIRO_OPERATOR_CLEAR)) + return CAIRO_INT_STATUS_UNSUPPORTED; + + if (pattern->type == CAIRO_PATTERN_TYPE_SURFACE) { + cairo_surface_pattern_t *surface_pattern = (cairo_surface_pattern_t *) pattern; + + if (surface_pattern->surface->type == CAIRO_SURFACE_TYPE_RECORDING) + return CAIRO_INT_STATUS_ANALYZE_RECORDING_SURFACE_PATTERN; + } + + if (op == CAIRO_OPERATOR_SOURCE || + op == CAIRO_OPERATOR_CLEAR) + return CAIRO_STATUS_SUCCESS; + + /* CAIRO_OPERATOR_OVER is only supported for opaque patterns. If + * the pattern contains transparency, we return + * CAIRO_INT_STATUS_FLATTEN_TRANSPARENCY to the analysis + * surface. If the analysis surface determines that there is + * anything drawn under this operation, a fallback image will be + * used. Otherwise the operation will be replayed during the + * render stage and we blend the transarency into the white + * background to convert the pattern to opaque. + */ + + if (pattern->type == CAIRO_PATTERN_TYPE_SURFACE || pattern->type == CAIRO_PATTERN_TYPE_RASTER_SOURCE) + return analyze_surface_pattern_transparency (surface, pattern, extents); + + if (_cairo_pattern_is_opaque (pattern, NULL)) + return CAIRO_STATUS_SUCCESS; + else + return CAIRO_INT_STATUS_FLATTEN_TRANSPARENCY; +} + +static cairo_bool_t +_cairo_win32_printing_surface_operation_supported (cairo_win32_printing_surface_t *surface, + cairo_operator_t op, + const cairo_pattern_t *pattern, + const cairo_rectangle_int_t *extents) +{ + if (_cairo_win32_printing_surface_analyze_operation (surface, op, pattern, extents) != CAIRO_INT_STATUS_UNSUPPORTED) + return TRUE; + else + return FALSE; +} + +static void +_cairo_win32_printing_surface_init_clear_color (cairo_win32_printing_surface_t *surface, + cairo_solid_pattern_t *color) +{ + if (surface->content == CAIRO_CONTENT_COLOR_ALPHA) + _cairo_pattern_init_solid (color, CAIRO_COLOR_WHITE); + else + _cairo_pattern_init_solid (color, CAIRO_COLOR_BLACK); +} + +static COLORREF +_cairo_win32_printing_surface_flatten_transparency (cairo_win32_printing_surface_t *surface, + const cairo_color_t *color) +{ + COLORREF c; + BYTE red, green, blue; + + red = color->red_short >> 8; + green = color->green_short >> 8; + blue = color->blue_short >> 8; + + if (!CAIRO_COLOR_IS_OPAQUE(color)) { + if (surface->content == CAIRO_CONTENT_COLOR_ALPHA) { + /* Blend into white */ + uint8_t one_minus_alpha = 255 - (color->alpha_short >> 8); + + red = (color->red_short >> 8) + one_minus_alpha; + green = (color->green_short >> 8) + one_minus_alpha; + blue = (color->blue_short >> 8) + one_minus_alpha; + } else { + /* Blend into black */ + red = (color->red_short >> 8); + green = (color->green_short >> 8); + blue = (color->blue_short >> 8); + } + } + c = RGB (red, green, blue); + + return c; +} + +static cairo_status_t +_cairo_win32_printing_surface_select_solid_brush (cairo_win32_printing_surface_t *surface, + const cairo_pattern_t *source) +{ + cairo_solid_pattern_t *pattern = (cairo_solid_pattern_t *) source; + COLORREF color; + + color = _cairo_win32_printing_surface_flatten_transparency (surface, + &pattern->color); + surface->brush = CreateSolidBrush (color); + if (!surface->brush) + return _cairo_win32_print_gdi_error ("_cairo_win32_surface_select_solid_brush(CreateSolidBrush)"); + surface->old_brush = SelectObject (surface->win32.dc, surface->brush); + + return CAIRO_STATUS_SUCCESS; +} + +static void +_cairo_win32_printing_surface_done_solid_brush (cairo_win32_printing_surface_t *surface) +{ + if (surface->old_brush) { + SelectObject (surface->win32.dc, surface->old_brush); + DeleteObject (surface->brush); + surface->old_brush = NULL; + } +} + +static cairo_status_t +_cairo_win32_printing_surface_get_ctm_clip_box (cairo_win32_printing_surface_t *surface, + RECT *clip) +{ + XFORM xform; + + _cairo_matrix_to_win32_xform (&surface->ctm, &xform); + if (!ModifyWorldTransform (surface->win32.dc, &xform, MWT_LEFTMULTIPLY)) + return _cairo_win32_print_gdi_error ("_cairo_win32_printing_surface_get_clip_box:ModifyWorldTransform"); + GetClipBox (surface->win32.dc, clip); + + _cairo_matrix_to_win32_xform (&surface->gdi_ctm, &xform); + if (!SetWorldTransform (surface->win32.dc, &xform)) + return _cairo_win32_print_gdi_error ("_cairo_win32_printing_surface_get_clip_box:SetWorldTransform"); + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +_cairo_win32_printing_surface_paint_solid_pattern (cairo_win32_printing_surface_t *surface, + const cairo_pattern_t *pattern) +{ + RECT clip; + cairo_status_t status; + + GetClipBox (surface->win32.dc, &clip); + status = _cairo_win32_printing_surface_select_solid_brush (surface, pattern); + if (status) + return status; + + FillRect (surface->win32.dc, &clip, surface->brush); + _cairo_win32_printing_surface_done_solid_brush (surface); + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +_cairo_win32_printing_surface_paint_recording_pattern (cairo_win32_printing_surface_t *surface, + cairo_surface_pattern_t *pattern) +{ + cairo_content_t old_content; + cairo_matrix_t old_ctm; + cairo_bool_t old_has_ctm; + cairo_rectangle_int_t recording_extents; + cairo_int_status_t status; + cairo_extend_t extend; + cairo_matrix_t p2d; + XFORM xform; + int x_tile, y_tile, left, right, top, bottom; + RECT clip; + cairo_recording_surface_t *recording_surface = (cairo_recording_surface_t *) pattern->surface; + cairo_box_t bbox; + cairo_surface_t *free_me = NULL; + cairo_bool_t is_subsurface; + + extend = cairo_pattern_get_extend (&pattern->base); + + p2d = pattern->base.matrix; + status = cairo_matrix_invert (&p2d); + /* _cairo_pattern_set_matrix guarantees invertibility */ + assert (status == CAIRO_INT_STATUS_SUCCESS); + + old_ctm = surface->ctm; + old_has_ctm = surface->has_ctm; + cairo_matrix_multiply (&p2d, &p2d, &surface->ctm); + surface->ctm = p2d; + SaveDC (surface->win32.dc); + _cairo_matrix_to_win32_xform (&p2d, &xform); + + if (_cairo_surface_is_snapshot (&recording_surface->base)) { + free_me = _cairo_surface_snapshot_get_target (&recording_surface->base); + recording_surface = (cairo_recording_surface_t *) free_me; + } + + if (recording_surface->base.backend->type == CAIRO_SURFACE_TYPE_SUBSURFACE) { + cairo_surface_subsurface_t *sub = (cairo_surface_subsurface_t *) recording_surface; + + recording_surface = (cairo_recording_surface_t *) (sub->target); + recording_extents = sub->extents; + is_subsurface = TRUE; + } else { + status = _cairo_recording_surface_get_bbox (recording_surface, &bbox, NULL); + if (status) + goto err; + + _cairo_box_round_to_rectangle (&bbox, &recording_extents); + } + + status = _cairo_win32_printing_surface_get_ctm_clip_box (surface, &clip); + if (status) + goto err; + + if (extend == CAIRO_EXTEND_REPEAT || extend == CAIRO_EXTEND_REFLECT) { + left = floor (clip.left / _cairo_fixed_to_double (bbox.p2.x - bbox.p1.x)); + right = ceil (clip.right / _cairo_fixed_to_double (bbox.p2.x - bbox.p1.x)); + top = floor (clip.top / _cairo_fixed_to_double (bbox.p2.y - bbox.p1.y)); + bottom = ceil (clip.bottom / _cairo_fixed_to_double (bbox.p2.y - bbox.p1.y)); + } else { + left = 0; + right = 1; + top = 0; + bottom = 1; + } + + old_content = surface->content; + if (recording_surface->base.content == CAIRO_CONTENT_COLOR) { + surface->content = CAIRO_CONTENT_COLOR; + status = _cairo_win32_printing_surface_paint_solid_pattern (surface, + &_cairo_pattern_black.base); + if (status) + goto err; + } + + for (y_tile = top; y_tile < bottom; y_tile++) { + for (x_tile = left; x_tile < right; x_tile++) { + cairo_matrix_t m; + double x, y; + + SaveDC (surface->win32.dc); + m = p2d; + cairo_matrix_translate (&m, + x_tile*recording_extents.width, + y_tile*recording_extents.height); + if (extend == CAIRO_EXTEND_REFLECT) { + if (x_tile % 2) { + cairo_matrix_translate (&m, recording_extents.width, 0); + cairo_matrix_scale (&m, -1, 1); + } + if (y_tile % 2) { + cairo_matrix_translate (&m, 0, recording_extents.height); + cairo_matrix_scale (&m, 1, -1); + } + } + surface->ctm = m; + surface->has_ctm = !_cairo_matrix_is_identity (&surface->ctm); + + /* Set clip path around bbox of the pattern. */ + BeginPath (surface->win32.dc); + + x = 0; + y = 0; + cairo_matrix_transform_point (&surface->ctm, &x, &y); + MoveToEx (surface->win32.dc, (int) x, (int) y, NULL); + + x = recording_extents.width; + y = 0; + cairo_matrix_transform_point (&surface->ctm, &x, &y); + LineTo (surface->win32.dc, (int) x, (int) y); + + x = recording_extents.width; + y = recording_extents.height; + cairo_matrix_transform_point (&surface->ctm, &x, &y); + LineTo (surface->win32.dc, (int) x, (int) y); + + x = 0; + y = recording_extents.height; + cairo_matrix_transform_point (&surface->ctm, &x, &y); + LineTo (surface->win32.dc, (int) x, (int) y); + + CloseFigure (surface->win32.dc); + EndPath (surface->win32.dc); + SelectClipPath (surface->win32.dc, RGN_AND); + + SaveDC (surface->win32.dc); /* Allow clip path to be reset during replay */ + status = _cairo_recording_surface_replay_region (&recording_surface->base, + is_subsurface ? &recording_extents : NULL, + &surface->win32.base, + CAIRO_RECORDING_REGION_NATIVE); + assert (status != CAIRO_INT_STATUS_UNSUPPORTED); + /* Restore both the clip save and our earlier path SaveDC */ + RestoreDC (surface->win32.dc, -2); + + if (status) + goto err; + } + } + + surface->content = old_content; + surface->ctm = old_ctm; + surface->has_ctm = old_has_ctm; + RestoreDC (surface->win32.dc, -1); + + err: + cairo_surface_destroy (free_me); + return status; +} + +static cairo_int_status_t +_cairo_win32_printing_surface_check_jpeg (cairo_win32_printing_surface_t *surface, + cairo_surface_t *source, + const unsigned char **data, + unsigned long *length, + cairo_image_info_t *info) +{ + const unsigned char *mime_data; + unsigned long mime_data_length; + cairo_int_status_t status; + DWORD result; + + if (!(surface->win32.flags & CAIRO_WIN32_SURFACE_CAN_CHECK_JPEG)) + return CAIRO_INT_STATUS_UNSUPPORTED; + + cairo_surface_get_mime_data (source, CAIRO_MIME_TYPE_JPEG, + &mime_data, &mime_data_length); + if (mime_data == NULL) + return CAIRO_INT_STATUS_UNSUPPORTED; + + status = _cairo_image_info_get_jpeg_info (info, mime_data, mime_data_length); + if (status) + return status; + + result = 0; + if (ExtEscape(surface->win32.dc, CHECKJPEGFORMAT, mime_data_length, (char *) mime_data, + sizeof(result), (char *) &result) <= 0) + return CAIRO_INT_STATUS_UNSUPPORTED; + + if (result != 1) + return CAIRO_INT_STATUS_UNSUPPORTED; + + *data = mime_data; + *length = mime_data_length; + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_int_status_t +_cairo_win32_printing_surface_check_png (cairo_win32_printing_surface_t *surface, + cairo_surface_t *source, + const unsigned char **data, + unsigned long *length, + cairo_image_info_t *info) +{ + const unsigned char *mime_data; + unsigned long mime_data_length; + + cairo_int_status_t status; + DWORD result; + + if (!(surface->win32.flags & CAIRO_WIN32_SURFACE_CAN_CHECK_PNG)) + return CAIRO_INT_STATUS_UNSUPPORTED; + + cairo_surface_get_mime_data (source, CAIRO_MIME_TYPE_PNG, + &mime_data, &mime_data_length); + if (mime_data == NULL) + return CAIRO_INT_STATUS_UNSUPPORTED; + + status = _cairo_image_info_get_png_info (info, mime_data, mime_data_length); + if (status) + return status; + + result = 0; + if (ExtEscape(surface->win32.dc, CHECKPNGFORMAT, mime_data_length, (char *) mime_data, + sizeof(result), (char *) &result) <= 0) + return CAIRO_INT_STATUS_UNSUPPORTED; + + if (result != 1) + return CAIRO_INT_STATUS_UNSUPPORTED; + + *data = mime_data; + *length = mime_data_length; + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +_cairo_win32_printing_surface_paint_image_pattern (cairo_win32_printing_surface_t *surface, + const cairo_pattern_t *pattern, + const cairo_rectangle_int_t *extents) +{ + cairo_int_status_t status; + cairo_surface_pattern_t image_pattern; + cairo_image_surface_t *image; + void *image_extra; + cairo_image_surface_t *opaque_image = NULL; + BITMAPINFO bi; + cairo_matrix_t m; + int oldmode; + XFORM xform; + int x_tile, y_tile, left, right, top, bottom; + int pattern_width, pattern_height; + RECT clip; + const cairo_color_t *background_color; + const unsigned char *mime_data; + unsigned long mime_size; + cairo_image_info_t mime_info; + cairo_bool_t use_mime; + DWORD mime_type; + + /* If we can't use StretchDIBits with this surface, we can't do anything + * here. + */ + if (!(surface->win32.flags & CAIRO_WIN32_SURFACE_CAN_STRETCHDIB)) + return CAIRO_INT_STATUS_UNSUPPORTED; + + if (surface->content == CAIRO_CONTENT_COLOR_ALPHA) + background_color = CAIRO_COLOR_WHITE; + else + background_color = CAIRO_COLOR_BLACK; + + status = _cairo_win32_printing_surface_acquire_image_pattern (surface, + pattern, + extents, + &image_pattern, + &pattern_width, + &pattern_height, + &image_extra); + if (status) + return status; + + image = (cairo_image_surface_t *)(image_pattern.surface); + if (image->base.status) { + status = image->base.status; + goto CLEANUP_IMAGE; + } + + if (image->width == 0 || image->height == 0) { + status = CAIRO_STATUS_SUCCESS; + goto CLEANUP_IMAGE; + } + + mime_type = BI_JPEG; + status = _cairo_win32_printing_surface_check_jpeg (surface, + image_pattern.surface, + &mime_data, + &mime_size, + &mime_info); + if (status == CAIRO_INT_STATUS_UNSUPPORTED) { + mime_type = BI_PNG; + status = _cairo_win32_printing_surface_check_png (surface, + image_pattern.surface, + &mime_data, + &mime_size, + &mime_info); + } + if (_cairo_int_status_is_error (status)) + return status; + + use_mime = (status == CAIRO_INT_STATUS_SUCCESS); + + if (!use_mime && image->format != CAIRO_FORMAT_RGB24) { + cairo_surface_t *opaque_surface; + cairo_surface_pattern_t image_pattern; + cairo_solid_pattern_t background_pattern; + + opaque_surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, + image->width, + image->height); + if (opaque_surface->status) { + status = opaque_surface->status; + goto CLEANUP_OPAQUE_IMAGE; + } + + _cairo_pattern_init_solid (&background_pattern, + background_color); + status = _cairo_surface_paint (opaque_surface, + CAIRO_OPERATOR_SOURCE, + &background_pattern.base, + NULL); + if (status) + goto CLEANUP_OPAQUE_IMAGE; + + _cairo_pattern_init_for_surface (&image_pattern, &image->base); + status = _cairo_surface_paint (opaque_surface, + CAIRO_OPERATOR_OVER, + &image_pattern.base, + NULL); + _cairo_pattern_fini (&image_pattern.base); + if (status) + goto CLEANUP_OPAQUE_IMAGE; + + opaque_image = (cairo_image_surface_t *) opaque_surface; + } else { + opaque_image = image; + } + + bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); + bi.bmiHeader.biWidth = use_mime ? mime_info.width : opaque_image->width; + bi.bmiHeader.biHeight = use_mime ? - mime_info.height : -opaque_image->height; + bi.bmiHeader.biSizeImage = use_mime ? mime_size : 0; + bi.bmiHeader.biXPelsPerMeter = PELS_72DPI; + bi.bmiHeader.biYPelsPerMeter = PELS_72DPI; + bi.bmiHeader.biPlanes = 1; + bi.bmiHeader.biBitCount = 32; + bi.bmiHeader.biCompression = use_mime ? mime_type : BI_RGB; + bi.bmiHeader.biClrUsed = 0; + bi.bmiHeader.biClrImportant = 0; + + m = image_pattern.base.matrix; + status = cairo_matrix_invert (&m); + /* _cairo_pattern_set_matrix guarantees invertibility */ + assert (status == CAIRO_INT_STATUS_SUCCESS); + + cairo_matrix_multiply (&m, &m, &surface->ctm); + cairo_matrix_multiply (&m, &m, &surface->gdi_ctm); + SaveDC (surface->win32.dc); + _cairo_matrix_to_win32_xform (&m, &xform); + + if (! SetWorldTransform (surface->win32.dc, &xform)) { + status = _cairo_win32_print_gdi_error ("_cairo_win32_printing_surface_paint_image_pattern"); + goto CLEANUP_OPAQUE_IMAGE; + } + + oldmode = SetStretchBltMode(surface->win32.dc, HALFTONE); + + GetClipBox (surface->win32.dc, &clip); + if (pattern->extend == CAIRO_EXTEND_REPEAT || pattern->extend == CAIRO_EXTEND_REFLECT) { + left = floor ( clip.left / (double) opaque_image->width); + right = ceil (clip.right / (double) opaque_image->width); + top = floor (clip.top / (double) opaque_image->height); + bottom = ceil (clip.bottom / (double) opaque_image->height); + } else { + left = 0; + right = 1; + top = 0; + bottom = 1; + } + + for (y_tile = top; y_tile < bottom; y_tile++) { + for (x_tile = left; x_tile < right; x_tile++) { + if (!StretchDIBits (surface->win32.dc, + x_tile*opaque_image->width, + y_tile*opaque_image->height, + opaque_image->width, + opaque_image->height, + 0, + 0, + use_mime ? mime_info.width : opaque_image->width, + use_mime ? mime_info.height : opaque_image->height, + use_mime ? mime_data : opaque_image->data, + &bi, + DIB_RGB_COLORS, + SRCCOPY)) + { + status = _cairo_win32_print_gdi_error ("_cairo_win32_printing_surface_paint(StretchDIBits)"); + goto CLEANUP_OPAQUE_IMAGE; + } + } + } + SetStretchBltMode(surface->win32.dc, oldmode); + RestoreDC (surface->win32.dc, -1); + +CLEANUP_OPAQUE_IMAGE: + if (opaque_image != image) + cairo_surface_destroy (&opaque_image->base); +CLEANUP_IMAGE: + _cairo_win32_printing_surface_release_image_pattern (surface, pattern, &image_pattern, image_extra); + + return status; +} + +static void +vertex_set_color (TRIVERTEX *vert, cairo_color_stop_t *color) +{ + /* MSDN says that the range here is 0x0000 .. 0xff00; + * that may well be a typo, but just chop the low bits + * here. */ + vert->Alpha = 0xff00; + vert->Red = color->red_short & 0xff00; + vert->Green = color->green_short & 0xff00; + vert->Blue = color->blue_short & 0xff00; +} + +static cairo_int_status_t +_cairo_win32_printing_surface_paint_linear_pattern (cairo_win32_printing_surface_t *surface, + cairo_linear_pattern_t *pattern) +{ + TRIVERTEX *vert; + GRADIENT_RECT *rect; + RECT clip; + XFORM xform; + int i, num_stops; + cairo_matrix_t mat, rot; + double p1x, p1y, p2x, p2y, xd, yd, d, sn, cs; + cairo_extend_t extend; + int range_start, range_stop, num_ranges, num_rects, stop; + int total_verts, total_rects; + cairo_status_t status; + + extend = cairo_pattern_get_extend (&pattern->base.base); + SaveDC (surface->win32.dc); + + mat = pattern->base.base.matrix; + status = cairo_matrix_invert (&mat); + /* _cairo_pattern_set_matrix guarantees invertibility */ + assert (status == CAIRO_STATUS_SUCCESS); + + cairo_matrix_multiply (&mat, &surface->ctm, &mat); + + p1x = pattern->pd1.x; + p1y = pattern->pd1.y; + p2x = pattern->pd2.x; + p2y = pattern->pd2.y; + cairo_matrix_translate (&mat, p1x, p1y); + + xd = p2x - p1x; + yd = p2y - p1y; + d = sqrt (xd*xd + yd*yd); + sn = yd/d; + cs = xd/d; + cairo_matrix_init (&rot, + cs, sn, + -sn, cs, + 0, 0); + cairo_matrix_multiply (&mat, &rot, &mat); + + _cairo_matrix_to_win32_xform (&mat, &xform); + + if (!SetWorldTransform (surface->win32.dc, &xform)) + return _cairo_win32_print_gdi_error ("_win32_printing_surface_paint_linear_pattern:SetWorldTransform2"); + + GetClipBox (surface->win32.dc, &clip); + + if (extend == CAIRO_EXTEND_REPEAT || extend == CAIRO_EXTEND_REFLECT) { + range_start = floor (clip.left / d); + range_stop = ceil (clip.right / d); + } else { + range_start = 0; + range_stop = 1; + } + num_ranges = range_stop - range_start; + num_stops = pattern->base.n_stops; + num_rects = num_stops - 1; + + /* Add an extra four points and two rectangles for EXTEND_PAD */ + vert = _cairo_malloc (sizeof (TRIVERTEX) * (num_rects*2*num_ranges + 4)); + rect = _cairo_malloc (sizeof (GRADIENT_RECT) * (num_rects*num_ranges + 2)); + + for (i = 0; i < num_ranges*num_rects; i++) { + vert[i*2].y = (LONG) clip.top; + if (i%num_rects == 0) { + stop = 0; + if (extend == CAIRO_EXTEND_REFLECT && (range_start+(i/num_rects))%2) + stop = num_rects; + vert[i*2].x = (LONG)(d*(range_start + i/num_rects)); + vertex_set_color (&vert[i*2], &pattern->base.stops[stop].color); + } else { + vert[i*2].x = vert[i*2-1].x; + vert[i*2].Red = vert[i*2-1].Red; + vert[i*2].Green = vert[i*2-1].Green; + vert[i*2].Blue = vert[i*2-1].Blue; + vert[i*2].Alpha = vert[i*2-1].Alpha; + } + + stop = i%num_rects + 1; + vert[i*2+1].x = (LONG)(d*(range_start + i/num_rects + pattern->base.stops[stop].offset)); + vert[i*2+1].y = (LONG) clip.bottom; + if (extend == CAIRO_EXTEND_REFLECT && (range_start+(i/num_rects))%2) + stop = num_rects - stop; + vertex_set_color (&vert[i*2+1], &pattern->base.stops[stop].color); + + rect[i].UpperLeft = i*2; + rect[i].LowerRight = i*2 + 1; + } + total_verts = 2*num_ranges*num_rects; + total_rects = num_ranges*num_rects; + + if (extend == CAIRO_EXTEND_PAD) { + vert[i*2].x = vert[i*2-1].x; + vert[i*2].y = (LONG) clip.top; + vert[i*2].Red = vert[i*2-1].Red; + vert[i*2].Green = vert[i*2-1].Green; + vert[i*2].Blue = vert[i*2-1].Blue; + vert[i*2].Alpha = 0xff00; + vert[i*2+1].x = clip.right; + vert[i*2+1].y = (LONG) clip.bottom; + vert[i*2+1].Red = vert[i*2-1].Red; + vert[i*2+1].Green = vert[i*2-1].Green; + vert[i*2+1].Blue = vert[i*2-1].Blue; + vert[i*2+1].Alpha = 0xff00; + rect[i].UpperLeft = i*2; + rect[i].LowerRight = i*2 + 1; + + i++; + + vert[i*2].x = clip.left; + vert[i*2].y = (LONG) clip.top; + vert[i*2].Red = vert[0].Red; + vert[i*2].Green = vert[0].Green; + vert[i*2].Blue = vert[0].Blue; + vert[i*2].Alpha = 0xff00; + vert[i*2+1].x = vert[0].x; + vert[i*2+1].y = (LONG) clip.bottom; + vert[i*2+1].Red = vert[0].Red; + vert[i*2+1].Green = vert[0].Green; + vert[i*2+1].Blue = vert[0].Blue; + vert[i*2+1].Alpha = 0xff00; + rect[i].UpperLeft = i*2; + rect[i].LowerRight = i*2 + 1; + + total_verts += 4; + total_rects += 2; + } + + if (!GradientFill (surface->win32.dc, + vert, total_verts, + rect, total_rects, + GRADIENT_FILL_RECT_H)) + return _cairo_win32_print_gdi_error ("_win32_printing_surface_paint_linear_pattern:GradientFill"); + + free (rect); + free (vert); + RestoreDC (surface->win32.dc, -1); + + return 0; +} + +static cairo_int_status_t +_cairo_win32_printing_surface_paint_pattern (cairo_win32_printing_surface_t *surface, + const cairo_pattern_t *pattern, + const cairo_rectangle_int_t *extents) +{ + cairo_status_t status; + + switch (pattern->type) { + case CAIRO_PATTERN_TYPE_SOLID: + status = _cairo_win32_printing_surface_paint_solid_pattern (surface, pattern); + if (status) + return status; + break; + + case CAIRO_PATTERN_TYPE_SURFACE: { + cairo_surface_pattern_t *surface_pattern = (cairo_surface_pattern_t *) pattern; + + if ( _cairo_surface_is_recording (surface_pattern->surface)) + status = _cairo_win32_printing_surface_paint_recording_pattern (surface, surface_pattern); + else + status = _cairo_win32_printing_surface_paint_image_pattern (surface, pattern, extents); + + if (status) + return status; + break; + } + case CAIRO_PATTERN_TYPE_RASTER_SOURCE: + status = _cairo_win32_printing_surface_paint_image_pattern (surface, pattern, extents); + if (status) + return status; + break; + + case CAIRO_PATTERN_TYPE_LINEAR: + status = _cairo_win32_printing_surface_paint_linear_pattern (surface, (cairo_linear_pattern_t *) pattern); + if (status) + return status; + break; + + case CAIRO_PATTERN_TYPE_RADIAL: + return CAIRO_INT_STATUS_UNSUPPORTED; + break; + + case CAIRO_PATTERN_TYPE_MESH: + ASSERT_NOT_REACHED; + } + + return CAIRO_STATUS_SUCCESS; +} + +typedef struct _win32_print_path_info { + cairo_win32_printing_surface_t *surface; +} win32_path_info_t; + +static cairo_status_t +_cairo_win32_printing_surface_path_move_to (void *closure, + const cairo_point_t *point) +{ + win32_path_info_t *path_info = closure; + + if (path_info->surface->has_ctm) { + double x, y; + + x = _cairo_fixed_to_double (point->x); + y = _cairo_fixed_to_double (point->y); + cairo_matrix_transform_point (&path_info->surface->ctm, &x, &y); + MoveToEx (path_info->surface->win32.dc, (int) x, (int) y, NULL); + } else { + MoveToEx (path_info->surface->win32.dc, + _cairo_fixed_integer_part (point->x), + _cairo_fixed_integer_part (point->y), + NULL); + } + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +_cairo_win32_printing_surface_path_line_to (void *closure, + const cairo_point_t *point) +{ + win32_path_info_t *path_info = closure; + + path_info->surface->path_empty = FALSE; + if (path_info->surface->has_ctm) { + double x, y; + + x = _cairo_fixed_to_double (point->x); + y = _cairo_fixed_to_double (point->y); + cairo_matrix_transform_point (&path_info->surface->ctm, &x, &y); + LineTo (path_info->surface->win32.dc, (int) x, (int) y); + } else { + LineTo (path_info->surface->win32.dc, + _cairo_fixed_integer_part (point->x), + _cairo_fixed_integer_part (point->y)); + } + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +_cairo_win32_printing_surface_path_curve_to (void *closure, + const cairo_point_t *b, + const cairo_point_t *c, + const cairo_point_t *d) +{ + win32_path_info_t *path_info = closure; + POINT points[3]; + + path_info->surface->path_empty = FALSE; + if (path_info->surface->has_ctm) { + double x, y; + + x = _cairo_fixed_to_double (b->x); + y = _cairo_fixed_to_double (b->y); + cairo_matrix_transform_point (&path_info->surface->ctm, &x, &y); + points[0].x = (LONG) x; + points[0].y = (LONG) y; + + x = _cairo_fixed_to_double (c->x); + y = _cairo_fixed_to_double (c->y); + cairo_matrix_transform_point (&path_info->surface->ctm, &x, &y); + points[1].x = (LONG) x; + points[1].y = (LONG) y; + + x = _cairo_fixed_to_double (d->x); + y = _cairo_fixed_to_double (d->y); + cairo_matrix_transform_point (&path_info->surface->ctm, &x, &y); + points[2].x = (LONG) x; + points[2].y = (LONG) y; + } else { + points[0].x = _cairo_fixed_integer_part (b->x); + points[0].y = _cairo_fixed_integer_part (b->y); + points[1].x = _cairo_fixed_integer_part (c->x); + points[1].y = _cairo_fixed_integer_part (c->y); + points[2].x = _cairo_fixed_integer_part (d->x); + points[2].y = _cairo_fixed_integer_part (d->y); + } + PolyBezierTo (path_info->surface->win32.dc, points, 3); + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +_cairo_win32_printing_surface_path_close_path (void *closure) +{ + win32_path_info_t *path_info = closure; + + CloseFigure (path_info->surface->win32.dc); + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +_cairo_win32_printing_surface_emit_path (cairo_win32_printing_surface_t *surface, + const cairo_path_fixed_t *path) +{ + win32_path_info_t path_info; + + path_info.surface = surface; + return _cairo_path_fixed_interpret (path, + _cairo_win32_printing_surface_path_move_to, + _cairo_win32_printing_surface_path_line_to, + _cairo_win32_printing_surface_path_curve_to, + _cairo_win32_printing_surface_path_close_path, + &path_info); +} + +static cairo_int_status_t +_cairo_win32_printing_surface_show_page (void *abstract_surface) +{ + cairo_win32_printing_surface_t *surface = abstract_surface; + + /* Undo both SaveDC's that we did in start_page */ + RestoreDC (surface->win32.dc, -2); + + /* Invalidate extents since the size of the next page is not known at + * this point. + */ + surface->extents_valid = FALSE; + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +_cairo_win32_printing_surface_clipper_intersect_clip_path (cairo_surface_clipper_t *clipper, + cairo_path_fixed_t *path, + cairo_fill_rule_t fill_rule, + double tolerance, + cairo_antialias_t antialias) +{ + cairo_win32_printing_surface_t *surface = cairo_container_of (clipper, + cairo_win32_printing_surface_t, + clipper); + cairo_status_t status; + + if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) + return CAIRO_STATUS_SUCCESS; + + if (path == NULL) { + RestoreDC (surface->win32.dc, -1); + SaveDC (surface->win32.dc); + + return CAIRO_STATUS_SUCCESS; + } + + BeginPath (surface->win32.dc); + status = _cairo_win32_printing_surface_emit_path (surface, path); + EndPath (surface->win32.dc); + + switch (fill_rule) { + case CAIRO_FILL_RULE_WINDING: + SetPolyFillMode (surface->win32.dc, WINDING); + break; + case CAIRO_FILL_RULE_EVEN_ODD: + SetPolyFillMode (surface->win32.dc, ALTERNATE); + break; + default: + ASSERT_NOT_REACHED; + } + + SelectClipPath (surface->win32.dc, RGN_AND); + + return status; +} + +static cairo_bool_t +_cairo_win32_printing_surface_get_extents (void *abstract_surface, + cairo_rectangle_int_t *rectangle) +{ + cairo_win32_printing_surface_t *surface = abstract_surface; + + if (surface->extents_valid) + *rectangle = surface->win32.extents; + + return surface->extents_valid; +} + +static void +_cairo_win32_printing_surface_get_font_options (void *abstract_surface, + cairo_font_options_t *options) +{ + _cairo_font_options_init_default (options); + + cairo_font_options_set_hint_style (options, CAIRO_HINT_STYLE_NONE); + cairo_font_options_set_hint_metrics (options, CAIRO_HINT_METRICS_OFF); + cairo_font_options_set_antialias (options, CAIRO_ANTIALIAS_GRAY); + _cairo_font_options_set_round_glyph_positions (options, CAIRO_ROUND_GLYPH_POS_ON); +} + +static cairo_int_status_t +_cairo_win32_printing_surface_paint (void *abstract_surface, + cairo_operator_t op, + const cairo_pattern_t *source, + const cairo_clip_t *clip) +{ + cairo_win32_printing_surface_t *surface = abstract_surface; + cairo_solid_pattern_t clear; + cairo_composite_rectangles_t extents; + cairo_status_t status; + + status = _cairo_composite_rectangles_init_for_paint (&extents, + &surface->win32.base, + op, source, clip); + if (unlikely (status)) + return status; + + status = _cairo_surface_clipper_set_clip (&surface->clipper, clip); + if (unlikely (status)) + goto cleanup_composite; + + if (op == CAIRO_OPERATOR_CLEAR) { + _cairo_win32_printing_surface_init_clear_color (surface, &clear); + source = (cairo_pattern_t*) &clear; + op = CAIRO_OPERATOR_SOURCE; + } + + if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) { + status = _cairo_win32_printing_surface_analyze_operation (surface, op, source, &extents.bounded); + goto cleanup_composite; + } + + assert (_cairo_win32_printing_surface_operation_supported (surface, op, source, &extents.bounded)); + + status = _cairo_win32_printing_surface_paint_pattern (surface, source, &extents.bounded); + + cleanup_composite: + _cairo_composite_rectangles_fini (&extents); + return status; +} + +static int +_cairo_win32_line_cap (cairo_line_cap_t cap) +{ + switch (cap) { + case CAIRO_LINE_CAP_BUTT: + return PS_ENDCAP_FLAT; + case CAIRO_LINE_CAP_ROUND: + return PS_ENDCAP_ROUND; + case CAIRO_LINE_CAP_SQUARE: + return PS_ENDCAP_SQUARE; + default: + ASSERT_NOT_REACHED; + return 0; + } +} + +static int +_cairo_win32_line_join (cairo_line_join_t join) +{ + switch (join) { + case CAIRO_LINE_JOIN_MITER: + return PS_JOIN_MITER; + case CAIRO_LINE_JOIN_ROUND: + return PS_JOIN_ROUND; + case CAIRO_LINE_JOIN_BEVEL: + return PS_JOIN_BEVEL; + default: + ASSERT_NOT_REACHED; + return 0; + } +} + +static void +_cairo_matrix_factor_out_scale (cairo_matrix_t *m, double *scale) +{ + double s; + + s = fabs (m->xx); + if (fabs (m->xy) > s) + s = fabs (m->xy); + if (fabs (m->yx) > s) + s = fabs (m->yx); + if (fabs (m->yy) > s) + s = fabs (m->yy); + *scale = s; + s = 1.0/s; + cairo_matrix_scale (m, s, s); +} + +static cairo_int_status_t +_cairo_win32_printing_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 *stroke_ctm, + const cairo_matrix_t *stroke_ctm_inverse, + double tolerance, + cairo_antialias_t antialias, + const cairo_clip_t *clip) +{ + cairo_win32_printing_surface_t *surface = abstract_surface; + cairo_int_status_t status; + HPEN pen; + LOGBRUSH brush; + COLORREF color; + XFORM xform; + DWORD pen_style; + DWORD *dash_array; + HGDIOBJ obj; + unsigned int i; + cairo_solid_pattern_t clear; + cairo_matrix_t mat; + double scale; + cairo_composite_rectangles_t extents; + + status = _cairo_composite_rectangles_init_for_stroke (&extents, + &surface->win32.base, + op, source, + path, style, stroke_ctm, + clip); + if (unlikely (status)) + return status; + + /* use the more accurate extents */ + { + cairo_rectangle_int_t r; + cairo_box_t b; + + status = _cairo_path_fixed_stroke_extents (path, style, + stroke_ctm, stroke_ctm_inverse, + tolerance, + &r); + if (unlikely (status)) + goto cleanup_composite; + + _cairo_box_from_rectangle (&b, &r); + status = _cairo_composite_rectangles_intersect_mask_extents (&extents, &b); + if (unlikely (status)) + goto cleanup_composite; + } + + status = _cairo_surface_clipper_set_clip (&surface->clipper, clip); + if (unlikely (status)) + goto cleanup_composite; + + if (op == CAIRO_OPERATOR_CLEAR) { + _cairo_win32_printing_surface_init_clear_color (surface, &clear); + source = (cairo_pattern_t*) &clear; + op = CAIRO_OPERATOR_SOURCE; + } + + if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) { + /* Win32 does not support a dash offset. */ + if (style->num_dashes > 0 && style->dash_offset != 0.0) + status = CAIRO_INT_STATUS_UNSUPPORTED; + else + status = _cairo_win32_printing_surface_analyze_operation (surface, op, source, &extents.bounded); + + goto cleanup_composite; + } + + assert (_cairo_win32_printing_surface_operation_supported (surface, op, source, &extents.bounded)); + assert (!(style->num_dashes > 0 && style->dash_offset != 0.0)); + + cairo_matrix_multiply (&mat, stroke_ctm, &surface->ctm); + _cairo_matrix_factor_out_scale (&mat, &scale); + + pen_style = PS_GEOMETRIC; + dash_array = NULL; + if (style->num_dashes) { + pen_style |= PS_USERSTYLE; + dash_array = calloc (sizeof (DWORD), style->num_dashes); + for (i = 0; i < style->num_dashes; i++) { + dash_array[i] = (DWORD) (scale * style->dash[i]); + } + } else { + pen_style |= PS_SOLID; + } + + SetMiterLimit (surface->win32.dc, (FLOAT) (style->miter_limit), NULL); + if (source->type == CAIRO_PATTERN_TYPE_SOLID) { + cairo_solid_pattern_t *solid = (cairo_solid_pattern_t *) source; + + + color = _cairo_win32_printing_surface_flatten_transparency (surface, + &solid->color); + } else { + /* Color not used as the pen will only be used by WidenPath() */ + color = RGB (0,0,0); + } + brush.lbStyle = BS_SOLID; + brush.lbColor = color; + brush.lbHatch = 0; + pen_style |= _cairo_win32_line_cap (style->line_cap); + pen_style |= _cairo_win32_line_join (style->line_join); + pen = ExtCreatePen(pen_style, + scale * style->line_width, + &brush, + style->num_dashes, + dash_array); + if (pen == NULL) { + status = _cairo_win32_print_gdi_error ("_win32_surface_stroke:ExtCreatePen"); + goto cleanup_composite; + } + + obj = SelectObject (surface->win32.dc, pen); + if (obj == NULL) { + status = _cairo_win32_print_gdi_error ("_win32_surface_stroke:SelectObject"); + goto cleanup_composite; + } + + BeginPath (surface->win32.dc); + status = _cairo_win32_printing_surface_emit_path (surface, path); + EndPath (surface->win32.dc); + if (unlikely (status)) + goto cleanup_composite; + + /* + * Switch to user space to set line parameters + */ + SaveDC (surface->win32.dc); + + _cairo_matrix_to_win32_xform (&mat, &xform); + xform.eDx = 0.0f; + xform.eDy = 0.0f; + + if (!ModifyWorldTransform (surface->win32.dc, &xform, MWT_LEFTMULTIPLY)) { + status = _cairo_win32_print_gdi_error ("_win32_surface_stroke:SetWorldTransform"); + goto cleanup_composite; + } + + if (source->type == CAIRO_PATTERN_TYPE_SOLID) { + StrokePath (surface->win32.dc); + } else { + if (!WidenPath (surface->win32.dc)) { + status = _cairo_win32_print_gdi_error ("_win32_surface_stroke:WidenPath"); + goto cleanup_composite; + } + if (!SelectClipPath (surface->win32.dc, RGN_AND)) { + status = _cairo_win32_print_gdi_error ("_win32_surface_stroke:SelectClipPath"); + goto cleanup_composite; + } + + /* Return to device space to paint the pattern */ + _cairo_matrix_to_win32_xform (&surface->gdi_ctm, &xform); + if (!SetWorldTransform (surface->win32.dc, &xform)) { + status = _cairo_win32_print_gdi_error ("_win32_surface_stroke:ModifyWorldTransform"); + goto cleanup_composite; + } + status = _cairo_win32_printing_surface_paint_pattern (surface, source, &extents.bounded); + } + RestoreDC (surface->win32.dc, -1); + DeleteObject (pen); + free (dash_array); + +cleanup_composite: + _cairo_composite_rectangles_fini (&extents); + return status; +} + +static cairo_int_status_t +_cairo_win32_printing_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_win32_printing_surface_t *surface = abstract_surface; + cairo_int_status_t status; + cairo_solid_pattern_t clear; + cairo_composite_rectangles_t extents; + + status = _cairo_composite_rectangles_init_for_fill (&extents, + &surface->win32.base, + op, source, path, + clip); + if (unlikely (status)) + return status; + + /* use the more accurate extents */ + { + cairo_rectangle_int_t r; + cairo_box_t b; + + _cairo_path_fixed_fill_extents (path, + fill_rule, + tolerance, + &r); + + _cairo_box_from_rectangle (&b, &r); + status = _cairo_composite_rectangles_intersect_mask_extents (&extents, &b); + if (unlikely (status)) + goto cleanup_composite; + } + + status = _cairo_surface_clipper_set_clip (&surface->clipper, clip); + if (unlikely (status)) + goto cleanup_composite; + + if (op == CAIRO_OPERATOR_CLEAR) { + _cairo_win32_printing_surface_init_clear_color (surface, &clear); + source = (cairo_pattern_t*) &clear; + op = CAIRO_OPERATOR_SOURCE; + } + + if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) { + status = _cairo_win32_printing_surface_analyze_operation (surface, op, source, &extents.bounded); + goto cleanup_composite; + } + + assert (_cairo_win32_printing_surface_operation_supported (surface, op, source, &extents.bounded)); + + surface->path_empty = TRUE; + BeginPath (surface->win32.dc); + status = _cairo_win32_printing_surface_emit_path (surface, path); + EndPath (surface->win32.dc); + + switch (fill_rule) { + case CAIRO_FILL_RULE_WINDING: + SetPolyFillMode (surface->win32.dc, WINDING); + break; + case CAIRO_FILL_RULE_EVEN_ODD: + SetPolyFillMode (surface->win32.dc, ALTERNATE); + break; + default: + ASSERT_NOT_REACHED; + } + + if (source->type == CAIRO_PATTERN_TYPE_SOLID) { + status = _cairo_win32_printing_surface_select_solid_brush (surface, source); + if (unlikely (status)) + goto cleanup_composite; + + FillPath (surface->win32.dc); + _cairo_win32_printing_surface_done_solid_brush (surface); + } else if (surface->path_empty == FALSE) { + SaveDC (surface->win32.dc); + SelectClipPath (surface->win32.dc, RGN_AND); + status = _cairo_win32_printing_surface_paint_pattern (surface, source, &extents.bounded); + RestoreDC (surface->win32.dc, -1); + } + + fflush(stderr); + +cleanup_composite: + _cairo_composite_rectangles_fini (&extents); + return status; +} + + +static cairo_int_status_t +_cairo_win32_printing_surface_emit_win32_glyphs (cairo_win32_printing_surface_t *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_matrix_t ctm; + cairo_glyph_t *unicode_glyphs; + cairo_scaled_font_subsets_glyph_t subset_glyph; + int i, first; + cairo_bool_t sequence_is_unicode; + cairo_status_t status = CAIRO_STATUS_SUCCESS; + + /* Where possible reverse the glyph indices back to unicode + * characters. Strings of glyphs that could not be reversed to + * unicode will be printed with ETO_GLYPH_INDEX. + * + * As _cairo_win32_scaled_font_index_to_ucs4() is a slow + * operation, the font subsetting function + * _cairo_scaled_font_subsets_map_glyph() is used to obtain + * the unicode value because it caches the reverse mapping in + * the subsets. + */ + + if (surface->has_ctm) { + for (i = 0; i < num_glyphs; i++) + cairo_matrix_transform_point (&surface->ctm, &glyphs[i].x, &glyphs[i].y); + cairo_matrix_multiply (&ctm, &scaled_font->ctm, &surface->ctm); + scaled_font = cairo_scaled_font_create (scaled_font->font_face, + &scaled_font->font_matrix, + &ctm, + &scaled_font->options); + } + + unicode_glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t)); + if (unicode_glyphs == NULL) + return _cairo_error (CAIRO_STATUS_NO_MEMORY); + + memcpy (unicode_glyphs, glyphs, num_glyphs * sizeof (cairo_glyph_t)); + for (i = 0; i < num_glyphs; i++) { + status = _cairo_scaled_font_subsets_map_glyph (surface->font_subsets, + scaled_font, + glyphs[i].index, + NULL, 0, + &subset_glyph); + if (status) + goto fail; + + unicode_glyphs[i].index = subset_glyph.unicode; + } + + i = 0; + first = 0; + sequence_is_unicode = unicode_glyphs[0].index <= 0xffff; + while (i < num_glyphs) { + if (i == num_glyphs - 1 || + ((unicode_glyphs[i + 1].index < 0xffff) != sequence_is_unicode)) + { + status = _cairo_win32_surface_emit_glyphs (&surface->win32, + source, + sequence_is_unicode ? &unicode_glyphs[first] : &glyphs[first], + i - first + 1, + scaled_font, + ! sequence_is_unicode); + first = i + 1; + if (i < num_glyphs - 1) + sequence_is_unicode = unicode_glyphs[i + 1].index <= 0xffff; + } + i++; + } + +fail: + if (surface->has_ctm) + cairo_scaled_font_destroy (scaled_font); + + free (unicode_glyphs); + + return status; +} + +static cairo_int_status_t +_cairo_win32_printing_surface_show_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_win32_printing_surface_t *surface = abstract_surface; + cairo_status_t status = CAIRO_STATUS_SUCCESS; + cairo_scaled_glyph_t *scaled_glyph; + cairo_pattern_t *opaque = NULL; + int i; + cairo_matrix_t old_ctm; + cairo_bool_t old_has_ctm; + cairo_solid_pattern_t clear; + cairo_composite_rectangles_t extents; + cairo_bool_t overlap; + + status = _cairo_composite_rectangles_init_for_glyphs (&extents, + &surface->win32.base, + op, source, + scaled_font, + glyphs, num_glyphs, + clip, + &overlap); + if (unlikely (status)) + return status; + + status = _cairo_surface_clipper_set_clip (&surface->clipper, clip); + if (unlikely (status)) + goto cleanup_composite; + + if (op == CAIRO_OPERATOR_CLEAR) { + _cairo_win32_printing_surface_init_clear_color (surface, &clear); + source = (cairo_pattern_t*) &clear; + op = CAIRO_OPERATOR_SOURCE; + } + + if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) { + /* When printing bitmap fonts to a printer DC, Windows may + * substitute an outline font for bitmap font. As the win32 + * font backend always uses a screen DC when obtaining the + * font metrics the metrics of the substituted font will not + * match the metrics that the win32 font backend returns. + * + * If we are printing a bitmap font, use fallback images to + * ensure the font is not substituted. + */ +#if CAIRO_HAS_WIN32_FONT + if (cairo_scaled_font_get_type (scaled_font) == CAIRO_FONT_TYPE_WIN32) { + if (_cairo_win32_scaled_font_is_bitmap (scaled_font)) { + status = CAIRO_INT_STATUS_UNSUPPORTED; + goto cleanup_composite; + } else { + status = _cairo_win32_printing_surface_analyze_operation (surface, op, source, &extents.bounded); + goto cleanup_composite; + } + } +#endif + + /* For non win32 fonts we need to check that each glyph has a + * path available. If a path is not available, + * _cairo_scaled_glyph_lookup() will return + * CAIRO_INT_STATUS_UNSUPPORTED and a fallback image will be + * used. + */ + _cairo_scaled_font_freeze_cache (scaled_font); + for (i = 0; i < num_glyphs; i++) { + status = _cairo_scaled_glyph_lookup (scaled_font, + glyphs[i].index, + CAIRO_SCALED_GLYPH_INFO_PATH, + &scaled_glyph); + if (status) + break; + } + _cairo_scaled_font_thaw_cache (scaled_font); + if (unlikely (status)) + goto cleanup_composite; + + status = _cairo_win32_printing_surface_analyze_operation (surface, op, source, &extents.bounded); + goto cleanup_composite; + } + + if (source->type == CAIRO_PATTERN_TYPE_SOLID) { + cairo_solid_pattern_t *solid = (cairo_solid_pattern_t *) source; + COLORREF color; + + color = _cairo_win32_printing_surface_flatten_transparency (surface, + &solid->color); + opaque = cairo_pattern_create_rgb (GetRValue (color) / 255.0, + GetGValue (color) / 255.0, + GetBValue (color) / 255.0); + if (unlikely (opaque->status)) { + status = opaque->status; + goto cleanup_composite; + } + source = opaque; + } + +#if CAIRO_HAS_WIN32_FONT + if (cairo_scaled_font_get_type (scaled_font) == CAIRO_FONT_TYPE_WIN32 && + source->type == CAIRO_PATTERN_TYPE_SOLID) + { + status = _cairo_win32_printing_surface_emit_win32_glyphs (surface, + op, + source, + glyphs, + num_glyphs, + scaled_font, + clip); + goto cleanup_composite; + } +#endif + + SaveDC (surface->win32.dc); + old_ctm = surface->ctm; + old_has_ctm = surface->has_ctm; + surface->has_ctm = TRUE; + surface->path_empty = TRUE; + _cairo_scaled_font_freeze_cache (scaled_font); + BeginPath (surface->win32.dc); + for (i = 0; i < num_glyphs; i++) { + status = _cairo_scaled_glyph_lookup (scaled_font, + glyphs[i].index, + CAIRO_SCALED_GLYPH_INFO_PATH, + &scaled_glyph); + if (status) + break; + surface->ctm = old_ctm; + cairo_matrix_translate (&surface->ctm, glyphs[i].x, glyphs[i].y); + status = _cairo_win32_printing_surface_emit_path (surface, scaled_glyph->path); + } + EndPath (surface->win32.dc); + _cairo_scaled_font_thaw_cache (scaled_font); + surface->ctm = old_ctm; + surface->has_ctm = old_has_ctm; + if (status == CAIRO_STATUS_SUCCESS && surface->path_empty == FALSE) { + if (source->type == CAIRO_PATTERN_TYPE_SOLID) { + status = _cairo_win32_printing_surface_select_solid_brush (surface, source); + if (unlikely (status)) + goto cleanup_composite; + + SetPolyFillMode (surface->win32.dc, WINDING); + FillPath (surface->win32.dc); + _cairo_win32_printing_surface_done_solid_brush (surface); + } else { + SelectClipPath (surface->win32.dc, RGN_AND); + status = _cairo_win32_printing_surface_paint_pattern (surface, source, &extents.bounded); + } + } + RestoreDC (surface->win32.dc, -1); + + if (opaque) + cairo_pattern_destroy (opaque); + +cleanup_composite: + _cairo_composite_rectangles_fini (&extents); + return status; +} + +static const char ** +_cairo_win32_printing_surface_get_supported_mime_types (void *abstract_surface) +{ + return _cairo_win32_printing_supported_mime_types; +} + +static cairo_status_t +_cairo_win32_printing_surface_finish (void *abstract_surface) +{ + cairo_win32_printing_surface_t *surface = abstract_surface; + + if (surface->font_subsets != NULL) + _cairo_scaled_font_subsets_destroy (surface->font_subsets); + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_surface_t * +_cairo_win32_printing_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_int_status_t +_cairo_win32_printing_surface_start_page (void *abstract_surface) +{ + cairo_win32_printing_surface_t *surface = abstract_surface; + XFORM xform; + double x_res, y_res; + cairo_matrix_t inverse_ctm; + cairo_status_t status; + RECT rect; + + /* Since the page size may be changed after _show_page() and before the + * next drawing command, the extents are set in _start_page() and invalidated + * in _show_page(). The paginated surface will obtain the extents immediately + * after calling _show_page() and before any drawing commands. At this point + * the next page will not have been setup on the DC so we return invalid + * extents and the paginated surface will create an unbounded recording surface. + * Prior to replay of the record surface, the paginated surface will call + * _start_page and we setup the correct extents. + * + * Note that we always set the extents x,y to 0 so prevent replay from translating + * the coordinates of objects. Windows will clip anything outside of the page clip + * area. + */ + GetClipBox(surface->win32.dc, &rect); + surface->win32.extents.x = 0; + surface->win32.extents.y = 0; + surface->win32.extents.width = rect.right; + surface->win32.extents.height = rect.bottom; + surface->extents_valid = TRUE; + + SaveDC (surface->win32.dc); /* Save application context first, before doing MWT */ + + /* As the logical coordinates used by GDI functions (eg LineTo) + * are integers we need to do some additional work to prevent + * rounding errors. For example the obvious way to paint a recording + * pattern is to: + * + * SaveDC() + * transform the device context DC by the pattern to device matrix + * replay the recording surface + * RestoreDC() + * + * The problem here is that if the pattern to device matrix is + * [100 0 0 100 0 0], coordinates in the recording pattern such as + * (1.56, 2.23) which correspond to (156, 223) in device space + * will be rounded to (100, 200) due to (1.56, 2.23) being + * truncated to integers. + * + * This is solved by saving the current GDI CTM in surface->ctm, + * switch the GDI CTM to identity, and transforming all + * coordinates by surface->ctm before passing them to GDI. When + * painting a recording pattern, surface->ctm is transformed by the + * pattern to device matrix. + * + * For printing device contexts where 1 unit is 1 dpi, switching + * the GDI CTM to identity maximises the possible resolution of + * coordinates. + * + * If the device context is an EMF file, using an identity + * transform often provides insufficent resolution. The workaround + * is to set the GDI CTM to a scale < 1 eg [1.0/16 0 0 1/0/16 0 0] + * and scale the cairo CTM by [16 0 0 16 0 0]. The + * SetWorldTransform function call to scale the GDI CTM by 1.0/16 + * will be recorded in the EMF followed by all the graphics + * functions by their coordinateds multiplied by 16. + * + * To support allowing the user to set a GDI CTM with scale < 1, + * we avoid switching to an identity CTM if the CTM xx and yy is < 1. + */ + SetGraphicsMode (surface->win32.dc, GM_ADVANCED); + GetWorldTransform(surface->win32.dc, &xform); + if (xform.eM11 < 1 && xform.eM22 < 1) { + cairo_matrix_init_identity (&surface->ctm); + surface->gdi_ctm.xx = xform.eM11; + surface->gdi_ctm.xy = xform.eM21; + surface->gdi_ctm.yx = xform.eM12; + surface->gdi_ctm.yy = xform.eM22; + surface->gdi_ctm.x0 = xform.eDx; + surface->gdi_ctm.y0 = xform.eDy; + } else { + surface->ctm.xx = xform.eM11; + surface->ctm.xy = xform.eM21; + surface->ctm.yx = xform.eM12; + surface->ctm.yy = xform.eM22; + surface->ctm.x0 = xform.eDx; + surface->ctm.y0 = xform.eDy; + cairo_matrix_init_identity (&surface->gdi_ctm); + if (!ModifyWorldTransform (surface->win32.dc, NULL, MWT_IDENTITY)) + return _cairo_win32_print_gdi_error ("_cairo_win32_printing_surface_start_page:ModifyWorldTransform"); + } + + surface->has_ctm = !_cairo_matrix_is_identity (&surface->ctm); + surface->has_gdi_ctm = !_cairo_matrix_is_identity (&surface->gdi_ctm); + inverse_ctm = surface->ctm; + status = cairo_matrix_invert (&inverse_ctm); + if (status) + return status; + + x_res = GetDeviceCaps (surface->win32.dc, LOGPIXELSX); + y_res = GetDeviceCaps (surface->win32.dc, LOGPIXELSY); + cairo_matrix_transform_distance (&inverse_ctm, &x_res, &y_res); + _cairo_surface_set_resolution (&surface->win32.base, x_res, y_res); + + SaveDC (surface->win32.dc); /* Then save Cairo's known-good clip state, so the clip path can be reset */ + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_int_status_t +_cairo_win32_printing_surface_set_paginated_mode (void *abstract_surface, + cairo_paginated_mode_t paginated_mode) +{ + cairo_win32_printing_surface_t *surface = abstract_surface; + + surface->paginated_mode = paginated_mode; + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_bool_t +_cairo_win32_printing_surface_supports_fine_grained_fallbacks (void *abstract_surface) +{ + return TRUE; +} + +/** + * cairo_win32_printing_surface_create: + * @hdc: the DC to create a surface for + * + * Creates a cairo surface that targets the given DC. The DC will be + * queried for its initial clip extents, and this will be used as the + * size of the cairo surface. The DC should be a printing DC; + * antialiasing will be ignored, and GDI will be used as much as + * possible to draw to the surface. + * + * The returned surface will be wrapped using the paginated surface to + * provide correct complex rendering behaviour; cairo_surface_show_page() and + * associated methods must be used for correct output. + * + * Return value: the newly created surface + * + * Since: 1.6 + **/ +cairo_surface_t * +cairo_win32_printing_surface_create (HDC hdc) +{ + cairo_win32_printing_surface_t *surface; + cairo_surface_t *paginated; + + surface = _cairo_malloc (sizeof (cairo_win32_printing_surface_t)); + if (surface == NULL) + return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY)); + +#if 0 + if (_cairo_win32_save_initial_clip (hdc, surface) != CAIRO_STATUS_SUCCESS) { + free (surface); + return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY)); + } +#endif + + _cairo_surface_clipper_init (&surface->clipper, + _cairo_win32_printing_surface_clipper_intersect_clip_path); + + surface->win32.format = CAIRO_FORMAT_RGB24; + surface->content = CAIRO_CONTENT_COLOR_ALPHA; + + surface->win32.dc = hdc; + surface->extents_valid = FALSE; + + surface->brush = NULL; + surface->old_brush = NULL; + surface->font_subsets = _cairo_scaled_font_subsets_create_scaled (); + if (surface->font_subsets == NULL) { + free (surface); + return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY)); + } + + surface->win32.flags = _cairo_win32_flags_for_dc (surface->win32.dc, CAIRO_FORMAT_RGB24); + surface->win32.flags |= CAIRO_WIN32_SURFACE_FOR_PRINTING; + + _cairo_win32_printing_surface_init_ps_mode (surface); + _cairo_win32_printing_surface_init_image_support (surface); + _cairo_win32_printing_surface_init_language_pack (surface); + _cairo_surface_init (&surface->win32.base, + &cairo_win32_printing_surface_backend, + NULL, /* device */ + CAIRO_CONTENT_COLOR_ALPHA, + TRUE); /* is_vector */ + + paginated = _cairo_paginated_surface_create (&surface->win32.base, + CAIRO_CONTENT_COLOR_ALPHA, + &cairo_win32_surface_paginated_backend); + + /* paginated keeps the only reference to surface now, drop ours */ + cairo_surface_destroy (&surface->win32.base); + + return paginated; +} + +static const cairo_surface_backend_t cairo_win32_printing_surface_backend = { + CAIRO_SURFACE_TYPE_WIN32_PRINTING, + _cairo_win32_printing_surface_finish, + + _cairo_default_context_create, + + _cairo_win32_printing_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 */ + _cairo_win32_printing_surface_show_page, + + _cairo_win32_printing_surface_get_extents, + _cairo_win32_printing_surface_get_font_options, + + NULL, /* flush */ + NULL, /* mark_dirty_rectangle */ + + _cairo_win32_printing_surface_paint, + NULL, /* mask */ + _cairo_win32_printing_surface_stroke, + _cairo_win32_printing_surface_fill, + NULL, /* fill/stroke */ + _cairo_win32_printing_surface_show_glyphs, + NULL, /* has_show_text_glyphs */ + NULL, /* show_text_glyphs */ + _cairo_win32_printing_surface_get_supported_mime_types, +}; + +static const cairo_paginated_surface_backend_t cairo_win32_surface_paginated_backend = { + _cairo_win32_printing_surface_start_page, + _cairo_win32_printing_surface_set_paginated_mode, + NULL, /* set_bounding_box */ + NULL, /* _cairo_win32_printing_surface_has_fallback_images, */ + _cairo_win32_printing_surface_supports_fine_grained_fallbacks, +}; |