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14952 | fschmid | 1 | /* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */ |
2 | /* Cairo - a vector graphics library with display and print output |
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3 | * |
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4 | * Copyright © 2007, 2008 Adrian Johnson |
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5 | * |
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6 | * This library is free software; you can redistribute it and/or |
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7 | * modify it either under the terms of the GNU Lesser General Public |
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8 | * License version 2.1 as published by the Free Software Foundation |
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9 | * (the "LGPL") or, at your option, under the terms of the Mozilla |
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10 | * Public License Version 1.1 (the "MPL"). If you do not alter this |
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11 | * notice, a recipient may use your version of this file under either |
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12 | * the MPL or the LGPL. |
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13 | * |
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14 | * You should have received a copy of the LGPL along with this library |
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15 | * in the file COPYING-LGPL-2.1; if not, write to the Free Software |
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18122 | mrdocs | 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
14952 | fschmid | 17 | * You should have received a copy of the MPL along with this library |
18 | * in the file COPYING-MPL-1.1 |
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19 | * |
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20 | * The contents of this file are subject to the Mozilla Public License |
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21 | * Version 1.1 (the "License"); you may not use this file except in |
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22 | * compliance with the License. You may obtain a copy of the License at |
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23 | * http://www.mozilla.org/MPL/ |
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24 | * |
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25 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY |
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26 | * OF ANY KIND, either express or implied. See the LGPL or the MPL for |
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27 | * the specific language governing rights and limitations. |
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28 | * |
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29 | * The Original Code is the cairo graphics library. |
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30 | * |
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31 | * The Initial Developer of the Original Code is Adrian Johnson. |
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32 | * |
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33 | * Contributor(s): |
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34 | * Adrian Johnson <ajohnson@redneon.com> |
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35 | * Vladimir Vukicevic <vladimir@pobox.com> |
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36 | */ |
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37 | |||
38 | #define WIN32_LEAN_AND_MEAN |
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39 | /* We require Windows 2000 features such as ETO_PDY */ |
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40 | #if !defined(WINVER) || (WINVER < 0x0500) |
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41 | # define WINVER 0x0500 |
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42 | #endif |
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43 | #if !defined(_WIN32_WINNT) || (_WIN32_WINNT < 0x0500) |
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44 | # define _WIN32_WINNT 0x0500 |
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45 | #endif |
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46 | |||
47 | #include "cairoint.h" |
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48 | |||
49 | #include "cairo-paginated-private.h" |
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50 | |||
51 | #include "cairo-clip-private.h" |
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52 | #include "cairo-win32-private.h" |
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53 | #include "cairo-meta-surface-private.h" |
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54 | #include "cairo-scaled-font-subsets-private.h" |
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55 | #include "cairo-image-info-private.h" |
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56 | #include "cairo-surface-clipper-private.h" |
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57 | |||
58 | #include <windows.h> |
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59 | |||
60 | #if !defined(POSTSCRIPT_IDENTIFY) |
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61 | # define POSTSCRIPT_IDENTIFY 0x1015 |
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62 | #endif |
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63 | |||
64 | #if !defined(PSIDENT_GDICENTRIC) |
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65 | # define PSIDENT_GDICENTRIC 0x0000 |
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66 | #endif |
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67 | |||
68 | #if !defined(GET_PS_FEATURESETTING) |
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69 | # define GET_PS_FEATURESETTING 0x1019 |
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70 | #endif |
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71 | |||
72 | #if !defined(FEATURESETTING_PSLEVEL) |
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73 | # define FEATURESETTING_PSLEVEL 0x0002 |
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74 | #endif |
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75 | |||
76 | #if !defined(GRADIENT_FILL_RECT_H) |
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77 | # define GRADIENT_FILL_RECT_H 0x00 |
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78 | #endif |
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79 | |||
80 | #if !defined(CHECKJPEGFORMAT) |
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81 | # define CHECKJPEGFORMAT 0x1017 |
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82 | #endif |
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83 | |||
84 | #if !defined(CHECKPNGFORMAT) |
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85 | # define CHECKPNGFORMAT 0x1018 |
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86 | #endif |
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87 | |||
88 | #define PELS_72DPI ((LONG)(72. / 0.0254)) |
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89 | |||
90 | static const cairo_surface_backend_t cairo_win32_printing_surface_backend; |
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91 | static const cairo_paginated_surface_backend_t cairo_win32_surface_paginated_backend; |
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92 | |||
93 | static void |
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94 | _cairo_win32_printing_surface_init_ps_mode (cairo_win32_surface_t *surface) |
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95 | { |
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96 | DWORD word; |
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97 | INT ps_feature, ps_level; |
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98 | |||
99 | word = PSIDENT_GDICENTRIC; |
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100 | if (ExtEscape (surface->dc, POSTSCRIPT_IDENTIFY, sizeof(DWORD), (char *)&word, 0, (char *)NULL) <= 0) |
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101 | return; |
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102 | |||
103 | ps_feature = FEATURESETTING_PSLEVEL; |
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104 | if (ExtEscape (surface->dc, GET_PS_FEATURESETTING, sizeof(INT), |
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105 | (char *)&ps_feature, sizeof(INT), (char *)&ps_level) <= 0) |
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106 | return; |
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107 | |||
108 | if (ps_level >= 3) |
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109 | surface->flags |= CAIRO_WIN32_SURFACE_CAN_RECT_GRADIENT; |
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110 | } |
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111 | |||
112 | static void |
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113 | _cairo_win32_printing_surface_init_image_support (cairo_win32_surface_t *surface) |
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114 | { |
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115 | DWORD word; |
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116 | |||
117 | word = CHECKJPEGFORMAT; |
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118 | if (ExtEscape(surface->dc, QUERYESCSUPPORT, sizeof(word), (char *)&word, 0, (char *)NULL) > 0) |
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119 | surface->flags |= CAIRO_WIN32_SURFACE_CAN_CHECK_JPEG; |
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120 | |||
121 | word = CHECKPNGFORMAT; |
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122 | if (ExtEscape(surface->dc, QUERYESCSUPPORT, sizeof(word), (char *)&word, 0, (char *)NULL) > 0) |
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123 | surface->flags |= CAIRO_WIN32_SURFACE_CAN_CHECK_PNG; |
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124 | } |
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125 | |||
126 | static cairo_int_status_t |
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127 | analyze_surface_pattern_transparency (cairo_surface_pattern_t *pattern) |
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128 | { |
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129 | cairo_image_surface_t *image; |
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130 | void *image_extra; |
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131 | cairo_int_status_t status; |
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132 | cairo_image_transparency_t transparency; |
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133 | |||
134 | status = _cairo_surface_acquire_source_image (pattern->surface, |
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135 | &image, |
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136 | &image_extra); |
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137 | if (status) |
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138 | return status; |
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139 | |||
140 | transparency = _cairo_image_analyze_transparency (image); |
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141 | switch (transparency) { |
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142 | case CAIRO_IMAGE_UNKNOWN: |
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143 | ASSERT_NOT_REACHED; |
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144 | case CAIRO_IMAGE_IS_OPAQUE: |
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145 | status = CAIRO_STATUS_SUCCESS; |
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146 | break; |
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147 | |||
148 | case CAIRO_IMAGE_HAS_BILEVEL_ALPHA: |
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149 | case CAIRO_IMAGE_HAS_ALPHA: |
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150 | status = CAIRO_INT_STATUS_FLATTEN_TRANSPARENCY; |
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151 | break; |
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152 | } |
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153 | |||
154 | _cairo_surface_release_source_image (pattern->surface, image, image_extra); |
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155 | |||
156 | return status; |
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157 | } |
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158 | |||
159 | static cairo_bool_t |
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160 | surface_pattern_supported (const cairo_surface_pattern_t *pattern) |
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161 | { |
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162 | if (_cairo_surface_is_meta (pattern->surface)) |
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163 | return TRUE; |
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164 | |||
165 | if (cairo_surface_get_type (pattern->surface) != CAIRO_SURFACE_TYPE_WIN32 && |
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166 | pattern->surface->backend->acquire_source_image == NULL) |
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167 | { |
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168 | return FALSE; |
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169 | } |
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170 | |||
171 | return TRUE; |
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172 | } |
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173 | |||
174 | static cairo_bool_t |
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175 | pattern_supported (cairo_win32_surface_t *surface, const cairo_pattern_t *pattern) |
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176 | { |
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177 | if (pattern->type == CAIRO_PATTERN_TYPE_SOLID) |
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178 | return TRUE; |
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179 | |||
180 | if (pattern->type == CAIRO_PATTERN_TYPE_SURFACE) |
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181 | return surface_pattern_supported ((const cairo_surface_pattern_t *) pattern); |
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182 | |||
183 | if (pattern->type == CAIRO_PATTERN_TYPE_LINEAR) |
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184 | return surface->flags & CAIRO_WIN32_SURFACE_CAN_RECT_GRADIENT; |
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185 | |||
186 | return FALSE; |
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187 | } |
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188 | |||
189 | static cairo_int_status_t |
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190 | _cairo_win32_printing_surface_analyze_operation (cairo_win32_surface_t *surface, |
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191 | cairo_operator_t op, |
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192 | const cairo_pattern_t *pattern) |
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193 | { |
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194 | if (! pattern_supported (surface, pattern)) |
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195 | return CAIRO_INT_STATUS_UNSUPPORTED; |
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196 | |||
197 | if (!(op == CAIRO_OPERATOR_SOURCE || |
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198 | op == CAIRO_OPERATOR_OVER || |
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199 | op == CAIRO_OPERATOR_CLEAR)) |
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200 | return CAIRO_INT_STATUS_UNSUPPORTED; |
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201 | |||
202 | if (pattern->type == CAIRO_PATTERN_TYPE_SURFACE) { |
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203 | cairo_surface_pattern_t *surface_pattern = (cairo_surface_pattern_t *) pattern; |
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204 | |||
205 | if ( _cairo_surface_is_meta (surface_pattern->surface)) |
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206 | return CAIRO_INT_STATUS_ANALYZE_META_SURFACE_PATTERN; |
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207 | } |
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208 | |||
209 | if (op == CAIRO_OPERATOR_SOURCE || |
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210 | op == CAIRO_OPERATOR_CLEAR) |
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211 | return CAIRO_STATUS_SUCCESS; |
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212 | |||
213 | /* CAIRO_OPERATOR_OVER is only supported for opaque patterns. If |
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214 | * the pattern contains transparency, we return |
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215 | * CAIRO_INT_STATUS_FLATTEN_TRANSPARENCY to the analysis |
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216 | * surface. If the analysis surface determines that there is |
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217 | * anything drawn under this operation, a fallback image will be |
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218 | * used. Otherwise the operation will be replayed during the |
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219 | * render stage and we blend the transarency into the white |
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220 | * background to convert the pattern to opaque. |
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221 | */ |
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222 | |||
223 | if (pattern->type == CAIRO_PATTERN_TYPE_SURFACE) { |
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224 | cairo_surface_pattern_t *surface_pattern = (cairo_surface_pattern_t *) pattern; |
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225 | |||
226 | return analyze_surface_pattern_transparency (surface_pattern); |
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227 | } |
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228 | |||
229 | if (_cairo_pattern_is_opaque (pattern)) |
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230 | return CAIRO_STATUS_SUCCESS; |
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231 | else |
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232 | return CAIRO_INT_STATUS_FLATTEN_TRANSPARENCY; |
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233 | } |
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234 | |||
235 | static cairo_bool_t |
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236 | _cairo_win32_printing_surface_operation_supported (cairo_win32_surface_t *surface, |
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237 | cairo_operator_t op, |
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238 | const cairo_pattern_t *pattern) |
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239 | { |
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240 | if (_cairo_win32_printing_surface_analyze_operation (surface, op, pattern) != CAIRO_INT_STATUS_UNSUPPORTED) |
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241 | return TRUE; |
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242 | else |
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243 | return FALSE; |
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244 | } |
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245 | |||
246 | static void |
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247 | _cairo_win32_printing_surface_init_clear_color (cairo_win32_surface_t *surface, |
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248 | cairo_solid_pattern_t *color) |
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249 | { |
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250 | if (surface->content == CAIRO_CONTENT_COLOR_ALPHA) |
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251 | _cairo_pattern_init_solid (color, CAIRO_COLOR_WHITE, CAIRO_CONTENT_COLOR); |
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252 | else |
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253 | _cairo_pattern_init_solid (color, CAIRO_COLOR_BLACK, CAIRO_CONTENT_COLOR); |
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254 | } |
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255 | |||
256 | static COLORREF |
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257 | _cairo_win32_printing_surface_flatten_transparency (cairo_win32_surface_t *surface, |
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258 | const cairo_color_t *color) |
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259 | { |
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260 | COLORREF c; |
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261 | BYTE red, green, blue; |
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262 | |||
263 | red = color->red_short >> 8; |
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264 | green = color->green_short >> 8; |
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265 | blue = color->blue_short >> 8; |
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266 | |||
267 | if (!CAIRO_COLOR_IS_OPAQUE(color)) { |
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268 | if (surface->content == CAIRO_CONTENT_COLOR_ALPHA) { |
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269 | /* Blend into white */ |
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270 | uint8_t one_minus_alpha = 255 - (color->alpha_short >> 8); |
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271 | |||
272 | red = (color->red_short >> 8) + one_minus_alpha; |
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273 | green = (color->green_short >> 8) + one_minus_alpha; |
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274 | blue = (color->blue_short >> 8) + one_minus_alpha; |
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275 | } else { |
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276 | /* Blend into black */ |
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277 | red = (color->red_short >> 8); |
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278 | green = (color->green_short >> 8); |
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279 | blue = (color->blue_short >> 8); |
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280 | } |
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281 | } |
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282 | c = RGB (red, green, blue); |
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283 | |||
284 | return c; |
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285 | } |
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286 | |||
287 | static cairo_status_t |
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288 | _cairo_win32_printing_surface_select_solid_brush (cairo_win32_surface_t *surface, |
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289 | const cairo_pattern_t *source) |
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290 | { |
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291 | cairo_solid_pattern_t *pattern = (cairo_solid_pattern_t *) source; |
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292 | COLORREF color; |
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293 | |||
294 | color = _cairo_win32_printing_surface_flatten_transparency (surface, |
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295 | &pattern->color); |
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296 | surface->brush = CreateSolidBrush (color); |
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297 | if (!surface->brush) |
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298 | return _cairo_win32_print_gdi_error ("_cairo_win32_surface_select_solid_brush(CreateSolidBrush)"); |
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299 | surface->old_brush = SelectObject (surface->dc, surface->brush); |
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300 | |||
301 | return CAIRO_STATUS_SUCCESS; |
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302 | } |
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303 | |||
304 | static void |
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305 | _cairo_win32_printing_surface_done_solid_brush (cairo_win32_surface_t *surface) |
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306 | { |
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307 | if (surface->old_brush) { |
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308 | SelectObject (surface->dc, surface->old_brush); |
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309 | DeleteObject (surface->brush); |
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310 | surface->old_brush = NULL; |
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311 | } |
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312 | } |
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313 | |||
314 | static cairo_status_t |
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315 | _cairo_win32_printing_surface_get_ctm_clip_box (cairo_win32_surface_t *surface, |
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316 | RECT *clip) |
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317 | { |
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318 | XFORM xform; |
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319 | |||
320 | _cairo_matrix_to_win32_xform (&surface->ctm, &xform); |
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321 | if (!SetWorldTransform (surface->dc, &xform)) |
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322 | return _cairo_win32_print_gdi_error ("_cairo_win32_printing_surface_get_clip_box:SetWorldTransform"); |
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323 | GetClipBox (surface->dc, clip); |
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324 | if (!ModifyWorldTransform (surface->dc, &xform, MWT_IDENTITY)) |
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325 | return _cairo_win32_print_gdi_error ("_cairo_win32_printing_surface_get_clip_box:ModifyWorldTransform"); |
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326 | |||
327 | return CAIRO_STATUS_SUCCESS; |
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328 | } |
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329 | |||
330 | static cairo_status_t |
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331 | _cairo_win32_printing_surface_paint_solid_pattern (cairo_win32_surface_t *surface, |
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332 | const cairo_pattern_t *pattern) |
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333 | { |
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334 | RECT clip; |
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335 | cairo_status_t status; |
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336 | |||
337 | GetClipBox (surface->dc, &clip); |
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338 | status = _cairo_win32_printing_surface_select_solid_brush (surface, pattern); |
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339 | if (status) |
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340 | return status; |
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341 | |||
342 | FillRect (surface->dc, &clip, surface->brush); |
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343 | _cairo_win32_printing_surface_done_solid_brush (surface); |
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344 | |||
345 | return CAIRO_STATUS_SUCCESS; |
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346 | } |
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347 | |||
348 | static cairo_status_t |
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349 | _cairo_win32_printing_surface_paint_meta_pattern (cairo_win32_surface_t *surface, |
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350 | cairo_surface_pattern_t *pattern) |
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351 | { |
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352 | cairo_content_t old_content; |
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353 | cairo_matrix_t old_ctm; |
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354 | cairo_bool_t old_has_ctm; |
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355 | cairo_rectangle_int_t meta_extents; |
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356 | cairo_status_t status; |
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357 | cairo_extend_t extend; |
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358 | cairo_matrix_t p2d; |
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359 | XFORM xform; |
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360 | int x_tile, y_tile, left, right, top, bottom; |
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361 | RECT clip; |
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362 | cairo_meta_surface_t *meta_surface = (cairo_meta_surface_t *) pattern->surface; |
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363 | cairo_box_t bbox; |
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364 | |||
365 | extend = cairo_pattern_get_extend (&pattern->base); |
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366 | |||
367 | p2d = pattern->base.matrix; |
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368 | status = cairo_matrix_invert (&p2d); |
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369 | /* _cairo_pattern_set_matrix guarantees invertibility */ |
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370 | assert (status == CAIRO_STATUS_SUCCESS); |
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371 | |||
372 | old_ctm = surface->ctm; |
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373 | old_has_ctm = surface->has_ctm; |
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374 | cairo_matrix_multiply (&p2d, &p2d, &surface->ctm); |
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375 | surface->ctm = p2d; |
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376 | SaveDC (surface->dc); |
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377 | _cairo_matrix_to_win32_xform (&p2d, &xform); |
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378 | |||
379 | status = _cairo_meta_surface_get_bbox (meta_surface, &bbox, NULL); |
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380 | if (status) |
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381 | return status; |
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382 | |||
383 | status = _cairo_win32_printing_surface_get_ctm_clip_box (surface, &clip); |
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384 | if (status) |
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385 | return status; |
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386 | |||
387 | if (extend == CAIRO_EXTEND_REPEAT || extend == CAIRO_EXTEND_REFLECT) { |
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388 | left = floor (clip.left / _cairo_fixed_to_double (bbox.p2.x - bbox.p1.x)); |
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389 | right = ceil (clip.right / _cairo_fixed_to_double (bbox.p2.x - bbox.p1.x)); |
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390 | top = floor (clip.top / _cairo_fixed_to_double (bbox.p2.y - bbox.p1.y)); |
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391 | bottom = ceil (clip.bottom / _cairo_fixed_to_double (bbox.p2.y - bbox.p1.y)); |
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392 | } else { |
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393 | left = 0; |
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394 | right = 1; |
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395 | top = 0; |
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396 | bottom = 1; |
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397 | } |
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398 | |||
399 | old_content = surface->content; |
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400 | if (meta_surface->base.content == CAIRO_CONTENT_COLOR) { |
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401 | cairo_pattern_t *source; |
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402 | cairo_solid_pattern_t black; |
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403 | |||
404 | surface->content = CAIRO_CONTENT_COLOR; |
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405 | _cairo_pattern_init_solid (&black, CAIRO_COLOR_BLACK, CAIRO_CONTENT_COLOR); |
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406 | source = (cairo_pattern_t*) &black; |
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407 | status = _cairo_win32_printing_surface_paint_solid_pattern (surface, source); |
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408 | if (status) |
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409 | return status; |
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410 | } |
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411 | |||
412 | for (y_tile = top; y_tile < bottom; y_tile++) { |
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413 | for (x_tile = left; x_tile < right; x_tile++) { |
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414 | cairo_matrix_t m; |
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415 | double x, y; |
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416 | |||
417 | SaveDC (surface->dc); |
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418 | m = p2d; |
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419 | cairo_matrix_translate (&m, |
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420 | x_tile*meta_extents.width, |
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421 | y_tile*meta_extents.height); |
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422 | if (extend == CAIRO_EXTEND_REFLECT) { |
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423 | if (x_tile % 2) { |
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424 | cairo_matrix_translate (&m, meta_extents.width, 0); |
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425 | cairo_matrix_scale (&m, -1, 1); |
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426 | } |
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427 | if (y_tile % 2) { |
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428 | cairo_matrix_translate (&m, 0, meta_extents.height); |
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429 | cairo_matrix_scale (&m, 1, -1); |
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430 | } |
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431 | } |
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432 | surface->ctm = m; |
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433 | surface->has_ctm = !_cairo_matrix_is_identity (&surface->ctm); |
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434 | |||
435 | /* Set clip path around bbox of the pattern. */ |
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436 | BeginPath (surface->dc); |
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437 | |||
438 | x = 0; |
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439 | y = 0; |
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440 | cairo_matrix_transform_point (&surface->ctm, &x, &y); |
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441 | MoveToEx (surface->dc, (int) x, (int) y, NULL); |
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442 | |||
443 | x = meta_extents.width; |
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444 | y = 0; |
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445 | cairo_matrix_transform_point (&surface->ctm, &x, &y); |
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446 | LineTo (surface->dc, (int) x, (int) y); |
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447 | |||
448 | x = meta_extents.width; |
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449 | y = meta_extents.height; |
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450 | cairo_matrix_transform_point (&surface->ctm, &x, &y); |
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451 | LineTo (surface->dc, (int) x, (int) y); |
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452 | |||
453 | x = 0; |
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454 | y = meta_extents.height; |
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455 | cairo_matrix_transform_point (&surface->ctm, &x, &y); |
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456 | LineTo (surface->dc, (int) x, (int) y); |
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457 | |||
458 | CloseFigure (surface->dc); |
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459 | EndPath (surface->dc); |
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460 | SelectClipPath (surface->dc, RGN_AND); |
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461 | |||
462 | SaveDC (surface->dc); /* Allow clip path to be reset during replay */ |
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463 | status = _cairo_meta_surface_replay_region (&meta_surface->base, |
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464 | &surface->base, |
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465 | CAIRO_META_REGION_NATIVE); |
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466 | assert (status != CAIRO_INT_STATUS_UNSUPPORTED); |
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467 | /* Restore both the clip save and our earlier path SaveDC */ |
||
468 | RestoreDC (surface->dc, -2); |
||
469 | |||
470 | if (status) |
||
471 | return status; |
||
472 | } |
||
473 | } |
||
474 | |||
475 | surface->content = old_content; |
||
476 | surface->ctm = old_ctm; |
||
477 | surface->has_ctm = old_has_ctm; |
||
478 | RestoreDC (surface->dc, -1); |
||
479 | |||
480 | return status; |
||
481 | } |
||
482 | |||
483 | static cairo_int_status_t |
||
484 | _cairo_win32_printing_surface_check_jpeg (cairo_win32_surface_t *surface, |
||
485 | cairo_surface_t *source, |
||
486 | const unsigned char **data, |
||
487 | unsigned int *length, |
||
488 | cairo_image_info_t *info) |
||
489 | { |
||
490 | const unsigned char *mime_data; |
||
491 | unsigned int mime_data_length; |
||
492 | cairo_int_status_t status; |
||
493 | DWORD result; |
||
494 | |||
495 | if (!(surface->flags & CAIRO_WIN32_SURFACE_CAN_CHECK_JPEG)) |
||
496 | return CAIRO_INT_STATUS_UNSUPPORTED; |
||
497 | |||
498 | cairo_surface_get_mime_data (source, CAIRO_MIME_TYPE_JPEG, |
||
499 | &mime_data, &mime_data_length); |
||
500 | if (mime_data == NULL) |
||
501 | return CAIRO_INT_STATUS_UNSUPPORTED; |
||
502 | |||
503 | status = _cairo_image_info_get_jpeg_info (info, mime_data, mime_data_length); |
||
504 | if (status) |
||
505 | return status; |
||
506 | |||
507 | result = 0; |
||
508 | if (ExtEscape(surface->dc, CHECKJPEGFORMAT, mime_data_length, (char *) mime_data, |
||
509 | sizeof(result), (char *) &result) <= 0) |
||
510 | return CAIRO_INT_STATUS_UNSUPPORTED; |
||
511 | |||
512 | if (result != 1) |
||
513 | return CAIRO_INT_STATUS_UNSUPPORTED; |
||
514 | |||
515 | *data = mime_data; |
||
516 | *length = mime_data_length; |
||
517 | |||
518 | return CAIRO_STATUS_SUCCESS; |
||
519 | } |
||
520 | |||
521 | static cairo_int_status_t |
||
522 | _cairo_win32_printing_surface_check_png (cairo_win32_surface_t *surface, |
||
523 | cairo_surface_t *source, |
||
524 | const unsigned char **data, |
||
525 | unsigned int *length, |
||
526 | cairo_image_info_t *info) |
||
527 | { |
||
528 | const unsigned char *mime_data; |
||
529 | unsigned int mime_data_length; |
||
530 | |||
531 | cairo_int_status_t status; |
||
532 | DWORD result; |
||
533 | |||
534 | if (!(surface->flags & CAIRO_WIN32_SURFACE_CAN_CHECK_PNG)) |
||
535 | return CAIRO_INT_STATUS_UNSUPPORTED; |
||
536 | |||
537 | cairo_surface_get_mime_data (source, CAIRO_MIME_TYPE_PNG, |
||
538 | &mime_data, &mime_data_length); |
||
539 | if (mime_data == NULL) |
||
540 | return CAIRO_INT_STATUS_UNSUPPORTED; |
||
541 | |||
542 | status = _cairo_image_info_get_png_info (info, mime_data, mime_data_length); |
||
543 | if (status) |
||
544 | return status; |
||
545 | |||
546 | result = 0; |
||
547 | if (ExtEscape(surface->dc, CHECKPNGFORMAT, mime_data_length, (char *) mime_data, |
||
548 | sizeof(result), (char *) &result) <= 0) |
||
549 | return CAIRO_INT_STATUS_UNSUPPORTED; |
||
550 | |||
551 | if (result != 1) |
||
552 | return CAIRO_INT_STATUS_UNSUPPORTED; |
||
553 | |||
554 | *data = mime_data; |
||
555 | *length = mime_data_length; |
||
556 | |||
557 | return CAIRO_STATUS_SUCCESS; |
||
558 | } |
||
559 | |||
560 | static cairo_status_t |
||
561 | _cairo_win32_printing_surface_paint_image_pattern (cairo_win32_surface_t *surface, |
||
562 | cairo_surface_pattern_t *pattern) |
||
563 | { |
||
564 | cairo_status_t status; |
||
565 | cairo_extend_t extend; |
||
566 | cairo_image_surface_t *image; |
||
567 | void *image_extra; |
||
568 | cairo_image_surface_t *opaque_image = NULL; |
||
569 | BITMAPINFO bi; |
||
570 | cairo_matrix_t m; |
||
571 | int oldmode; |
||
572 | XFORM xform; |
||
573 | int x_tile, y_tile, left, right, top, bottom; |
||
574 | RECT clip; |
||
575 | const cairo_color_t *background_color; |
||
576 | const unsigned char *mime_data; |
||
577 | unsigned int mime_size; |
||
578 | cairo_image_info_t mime_info; |
||
579 | cairo_bool_t use_mime; |
||
580 | DWORD mime_type; |
||
581 | |||
582 | /* If we can't use StretchDIBits with this surface, we can't do anything |
||
583 | * here. |
||
584 | */ |
||
585 | if (!(surface->flags & CAIRO_WIN32_SURFACE_CAN_STRETCHDIB)) |
||
586 | return CAIRO_INT_STATUS_UNSUPPORTED; |
||
587 | |||
588 | if (surface->content == CAIRO_CONTENT_COLOR_ALPHA) |
||
589 | background_color = CAIRO_COLOR_WHITE; |
||
590 | else |
||
591 | background_color = CAIRO_COLOR_BLACK; |
||
592 | |||
593 | extend = cairo_pattern_get_extend (&pattern->base); |
||
594 | |||
595 | status = _cairo_surface_acquire_source_image (pattern->surface, |
||
596 | &image, &image_extra); |
||
597 | if (status) |
||
598 | return status; |
||
599 | |||
600 | if (image->base.status) { |
||
601 | status = image->base.status; |
||
602 | goto CLEANUP_IMAGE; |
||
603 | } |
||
604 | |||
605 | if (image->width == 0 || image->height == 0) { |
||
606 | status = CAIRO_STATUS_SUCCESS; |
||
607 | goto CLEANUP_IMAGE; |
||
608 | } |
||
609 | |||
610 | mime_type = BI_JPEG; |
||
611 | status = _cairo_win32_printing_surface_check_jpeg (surface, |
||
612 | pattern->surface, |
||
613 | &mime_data, |
||
614 | &mime_size, |
||
615 | &mime_info); |
||
616 | if (status == CAIRO_INT_STATUS_UNSUPPORTED) { |
||
617 | mime_type = BI_PNG; |
||
618 | status = _cairo_win32_printing_surface_check_png (surface, |
||
619 | pattern->surface, |
||
620 | &mime_data, |
||
621 | &mime_size, |
||
622 | &mime_info); |
||
623 | } |
||
624 | if (_cairo_status_is_error (status)) |
||
625 | return status; |
||
626 | |||
627 | use_mime = (status == CAIRO_STATUS_SUCCESS); |
||
628 | |||
629 | if (!use_mime && image->format != CAIRO_FORMAT_RGB24) { |
||
630 | cairo_surface_t *opaque_surface; |
||
631 | cairo_surface_pattern_t image_pattern; |
||
632 | cairo_solid_pattern_t background_pattern; |
||
633 | |||
634 | opaque_surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, |
||
635 | image->width, |
||
636 | image->height); |
||
637 | if (opaque_surface->status) { |
||
638 | status = opaque_surface->status; |
||
639 | goto CLEANUP_OPAQUE_IMAGE; |
||
640 | } |
||
641 | |||
642 | _cairo_pattern_init_solid (&background_pattern, |
||
643 | background_color, |
||
644 | CAIRO_CONTENT_COLOR); |
||
645 | status = _cairo_surface_paint (opaque_surface, |
||
646 | CAIRO_OPERATOR_SOURCE, |
||
647 | &background_pattern.base, |
||
648 | NULL); |
||
649 | if (status) |
||
650 | goto CLEANUP_OPAQUE_IMAGE; |
||
651 | |||
652 | _cairo_pattern_init_for_surface (&image_pattern, &image->base); |
||
653 | status = _cairo_surface_paint (opaque_surface, |
||
654 | CAIRO_OPERATOR_OVER, |
||
655 | &image_pattern.base, |
||
656 | NULL); |
||
657 | _cairo_pattern_fini (&image_pattern.base); |
||
658 | if (status) |
||
659 | goto CLEANUP_OPAQUE_IMAGE; |
||
660 | |||
661 | opaque_image = (cairo_image_surface_t *) opaque_surface; |
||
662 | } else { |
||
663 | opaque_image = image; |
||
664 | } |
||
665 | |||
666 | bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); |
||
667 | bi.bmiHeader.biWidth = use_mime ? mime_info.width : opaque_image->width; |
||
668 | bi.bmiHeader.biHeight = use_mime ? - mime_info.height : -opaque_image->height; |
||
669 | bi.bmiHeader.biSizeImage = use_mime ? mime_size : 0; |
||
670 | bi.bmiHeader.biXPelsPerMeter = PELS_72DPI; |
||
671 | bi.bmiHeader.biYPelsPerMeter = PELS_72DPI; |
||
672 | bi.bmiHeader.biPlanes = 1; |
||
673 | bi.bmiHeader.biBitCount = 32; |
||
674 | bi.bmiHeader.biCompression = use_mime ? mime_type : BI_RGB; |
||
675 | bi.bmiHeader.biClrUsed = 0; |
||
676 | bi.bmiHeader.biClrImportant = 0; |
||
677 | |||
678 | m = pattern->base.matrix; |
||
679 | status = cairo_matrix_invert (&m); |
||
680 | /* _cairo_pattern_set_matrix guarantees invertibility */ |
||
681 | assert (status == CAIRO_STATUS_SUCCESS); |
||
682 | |||
683 | cairo_matrix_multiply (&m, &m, &surface->ctm); |
||
684 | SaveDC (surface->dc); |
||
685 | _cairo_matrix_to_win32_xform (&m, &xform); |
||
686 | |||
687 | if (! SetWorldTransform (surface->dc, &xform)) { |
||
688 | status = _cairo_win32_print_gdi_error ("_cairo_win32_printing_surface_paint_image_pattern"); |
||
689 | goto CLEANUP_OPAQUE_IMAGE; |
||
690 | } |
||
691 | |||
692 | oldmode = SetStretchBltMode(surface->dc, HALFTONE); |
||
693 | |||
694 | GetClipBox (surface->dc, &clip); |
||
695 | if (extend == CAIRO_EXTEND_REPEAT || extend == CAIRO_EXTEND_REFLECT) { |
||
696 | left = floor ( clip.left / (double) opaque_image->width); |
||
697 | right = ceil (clip.right / (double) opaque_image->width); |
||
698 | top = floor (clip.top / (double) opaque_image->height); |
||
699 | bottom = ceil (clip.bottom / (double) opaque_image->height); |
||
700 | } else { |
||
701 | left = 0; |
||
702 | right = 1; |
||
703 | top = 0; |
||
704 | bottom = 1; |
||
705 | } |
||
706 | |||
707 | for (y_tile = top; y_tile < bottom; y_tile++) { |
||
708 | for (x_tile = left; x_tile < right; x_tile++) { |
||
709 | if (!StretchDIBits (surface->dc, |
||
710 | x_tile*opaque_image->width, |
||
711 | y_tile*opaque_image->height, |
||
712 | opaque_image->width, |
||
713 | opaque_image->height, |
||
714 | 0, |
||
715 | 0, |
||
716 | use_mime ? mime_info.width : opaque_image->width, |
||
717 | use_mime ? mime_info.height : opaque_image->height, |
||
718 | use_mime ? mime_data : opaque_image->data, |
||
719 | &bi, |
||
720 | DIB_RGB_COLORS, |
||
721 | SRCCOPY)) |
||
722 | { |
||
723 | status = _cairo_win32_print_gdi_error ("_cairo_win32_printing_surface_paint(StretchDIBits)"); |
||
724 | goto CLEANUP_OPAQUE_IMAGE; |
||
725 | } |
||
726 | } |
||
727 | } |
||
728 | SetStretchBltMode(surface->dc, oldmode); |
||
729 | RestoreDC (surface->dc, -1); |
||
730 | |||
731 | CLEANUP_OPAQUE_IMAGE: |
||
732 | if (opaque_image != image) |
||
733 | cairo_surface_destroy (&opaque_image->base); |
||
734 | CLEANUP_IMAGE: |
||
735 | _cairo_surface_release_source_image (pattern->surface, image, image_extra); |
||
736 | |||
737 | return status; |
||
738 | } |
||
739 | |||
740 | static cairo_status_t |
||
741 | _cairo_win32_printing_surface_paint_surface_pattern (cairo_win32_surface_t *surface, |
||
742 | cairo_surface_pattern_t *pattern) |
||
743 | { |
||
744 | if (_cairo_surface_is_meta (pattern->surface)) { |
||
745 | return _cairo_win32_printing_surface_paint_meta_pattern (surface, |
||
746 | pattern); |
||
747 | } else { |
||
748 | return _cairo_win32_printing_surface_paint_image_pattern (surface, |
||
749 | pattern); |
||
750 | } |
||
751 | } |
||
752 | |||
753 | static void |
||
754 | vertex_set_color (TRIVERTEX *vert, cairo_color_t *color) |
||
755 | { |
||
756 | /* MSDN says that the range here is 0x0000 .. 0xff00; |
||
757 | * that may well be a typo, but just chop the low bits |
||
758 | * here. */ |
||
759 | vert->Alpha = 0xff00; |
||
760 | vert->Red = color->red_short & 0xff00; |
||
761 | vert->Green = color->green_short & 0xff00; |
||
762 | vert->Blue = color->blue_short & 0xff00; |
||
763 | } |
||
764 | |||
765 | static cairo_int_status_t |
||
766 | _cairo_win32_printing_surface_paint_linear_pattern (cairo_win32_surface_t *surface, |
||
767 | cairo_linear_pattern_t *pattern) |
||
768 | { |
||
769 | TRIVERTEX *vert; |
||
770 | GRADIENT_RECT *rect; |
||
771 | RECT clip; |
||
772 | XFORM xform; |
||
773 | int i, num_stops; |
||
774 | cairo_matrix_t mat, rot; |
||
775 | double p1x, p1y, p2x, p2y, xd, yd, d, sn, cs; |
||
776 | cairo_extend_t extend; |
||
777 | int range_start, range_stop, num_ranges, num_rects, stop; |
||
778 | int total_verts, total_rects; |
||
779 | cairo_status_t status; |
||
780 | |||
781 | extend = cairo_pattern_get_extend (&pattern->base.base); |
||
782 | SaveDC (surface->dc); |
||
783 | |||
784 | mat = pattern->base.base.matrix; |
||
785 | status = cairo_matrix_invert (&mat); |
||
786 | /* _cairo_pattern_set_matrix guarantees invertibility */ |
||
787 | assert (status == CAIRO_STATUS_SUCCESS); |
||
788 | |||
789 | cairo_matrix_multiply (&mat, &surface->ctm, &mat); |
||
790 | |||
791 | p1x = _cairo_fixed_to_double (pattern->p1.x); |
||
792 | p1y = _cairo_fixed_to_double (pattern->p1.y); |
||
793 | p2x = _cairo_fixed_to_double (pattern->p2.x); |
||
794 | p2y = _cairo_fixed_to_double (pattern->p2.y); |
||
795 | cairo_matrix_translate (&mat, p1x, p1y); |
||
796 | |||
797 | xd = p2x - p1x; |
||
798 | yd = p2y - p1y; |
||
799 | d = sqrt (xd*xd + yd*yd); |
||
800 | sn = yd/d; |
||
801 | cs = xd/d; |
||
802 | cairo_matrix_init (&rot, |
||
803 | cs, sn, |
||
804 | -sn, cs, |
||
805 | 0, 0); |
||
806 | cairo_matrix_multiply (&mat, &rot, &mat); |
||
807 | |||
808 | _cairo_matrix_to_win32_xform (&mat, &xform); |
||
809 | |||
810 | if (!SetWorldTransform (surface->dc, &xform)) |
||
811 | return _cairo_win32_print_gdi_error ("_win32_printing_surface_paint_linear_pattern:SetWorldTransform2"); |
||
812 | |||
813 | GetClipBox (surface->dc, &clip); |
||
814 | |||
815 | if (extend == CAIRO_EXTEND_REPEAT || extend == CAIRO_EXTEND_REFLECT) { |
||
816 | range_start = floor (clip.left / d); |
||
817 | range_stop = ceil (clip.right / d); |
||
818 | } else { |
||
819 | range_start = 0; |
||
820 | range_stop = 1; |
||
821 | } |
||
822 | num_ranges = range_stop - range_start; |
||
823 | num_stops = pattern->base.n_stops; |
||
824 | num_rects = num_stops - 1; |
||
825 | |||
826 | /* Add an extra four points and two rectangles for EXTEND_PAD */ |
||
827 | vert = malloc (sizeof (TRIVERTEX) * (num_rects*2*num_ranges + 4)); |
||
828 | rect = malloc (sizeof (GRADIENT_RECT) * (num_rects*num_ranges + 2)); |
||
829 | |||
830 | for (i = 0; i < num_ranges*num_rects; i++) { |
||
831 | vert[i*2].y = (LONG) clip.top; |
||
832 | if (i%num_rects == 0) { |
||
833 | stop = 0; |
||
834 | if (extend == CAIRO_EXTEND_REFLECT && (range_start+(i/num_rects))%2) |
||
835 | stop = num_rects; |
||
836 | vert[i*2].x = (LONG)(d*(range_start + i/num_rects)); |
||
837 | vertex_set_color (&vert[i*2], &pattern->base.stops[stop].color); |
||
838 | } else { |
||
839 | vert[i*2].x = vert[i*2-1].x; |
||
840 | vert[i*2].Red = vert[i*2-1].Red; |
||
841 | vert[i*2].Green = vert[i*2-1].Green; |
||
842 | vert[i*2].Blue = vert[i*2-1].Blue; |
||
843 | vert[i*2].Alpha = vert[i*2-1].Alpha; |
||
844 | } |
||
845 | |||
846 | stop = i%num_rects + 1; |
||
847 | vert[i*2+1].x = (LONG)(d*(range_start + i/num_rects + pattern->base.stops[stop].offset)); |
||
848 | vert[i*2+1].y = (LONG) clip.bottom; |
||
849 | if (extend == CAIRO_EXTEND_REFLECT && (range_start+(i/num_rects))%2) |
||
850 | stop = num_rects - stop; |
||
851 | vertex_set_color (&vert[i*2+1], &pattern->base.stops[stop].color); |
||
852 | |||
853 | rect[i].UpperLeft = i*2; |
||
854 | rect[i].LowerRight = i*2 + 1; |
||
855 | } |
||
856 | total_verts = 2*num_ranges*num_rects; |
||
857 | total_rects = num_ranges*num_rects; |
||
858 | |||
859 | if (extend == CAIRO_EXTEND_PAD) { |
||
860 | vert[i*2].x = vert[i*2-1].x; |
||
861 | vert[i*2].y = (LONG) clip.top; |
||
862 | vert[i*2].Red = vert[i*2-1].Red; |
||
863 | vert[i*2].Green = vert[i*2-1].Green; |
||
864 | vert[i*2].Blue = vert[i*2-1].Blue; |
||
865 | vert[i*2].Alpha = 0xff00; |
||
866 | vert[i*2+1].x = clip.right; |
||
867 | vert[i*2+1].y = (LONG) clip.bottom; |
||
868 | vert[i*2+1].Red = vert[i*2-1].Red; |
||
869 | vert[i*2+1].Green = vert[i*2-1].Green; |
||
870 | vert[i*2+1].Blue = vert[i*2-1].Blue; |
||
871 | vert[i*2+1].Alpha = 0xff00; |
||
872 | rect[i].UpperLeft = i*2; |
||
873 | rect[i].LowerRight = i*2 + 1; |
||
874 | |||
875 | i++; |
||
876 | |||
877 | vert[i*2].x = clip.left; |
||
878 | vert[i*2].y = (LONG) clip.top; |
||
879 | vert[i*2].Red = vert[0].Red; |
||
880 | vert[i*2].Green = vert[0].Green; |
||
881 | vert[i*2].Blue = vert[0].Blue; |
||
882 | vert[i*2].Alpha = 0xff00; |
||
883 | vert[i*2+1].x = vert[0].x; |
||
884 | vert[i*2+1].y = (LONG) clip.bottom; |
||
885 | vert[i*2+1].Red = vert[0].Red; |
||
886 | vert[i*2+1].Green = vert[0].Green; |
||
887 | vert[i*2+1].Blue = vert[0].Blue; |
||
888 | vert[i*2+1].Alpha = 0xff00; |
||
889 | rect[i].UpperLeft = i*2; |
||
890 | rect[i].LowerRight = i*2 + 1; |
||
891 | |||
892 | total_verts += 4; |
||
893 | total_rects += 2; |
||
894 | } |
||
895 | |||
896 | if (!GradientFill (surface->dc, |
||
897 | vert, total_verts, |
||
898 | rect, total_rects, |
||
899 | GRADIENT_FILL_RECT_H)) |
||
900 | return _cairo_win32_print_gdi_error ("_win32_printing_surface_paint_linear_pattern:GradientFill"); |
||
901 | |||
902 | free (rect); |
||
903 | free (vert); |
||
904 | RestoreDC (surface->dc, -1); |
||
905 | |||
906 | return 0; |
||
907 | } |
||
908 | |||
909 | static cairo_int_status_t |
||
910 | _cairo_win32_printing_surface_paint_pattern (cairo_win32_surface_t *surface, |
||
911 | const cairo_pattern_t *pattern) |
||
912 | { |
||
913 | cairo_status_t status; |
||
914 | |||
915 | switch (pattern->type) { |
||
916 | case CAIRO_PATTERN_TYPE_SOLID: |
||
917 | status = _cairo_win32_printing_surface_paint_solid_pattern (surface, pattern); |
||
918 | if (status) |
||
919 | return status; |
||
920 | break; |
||
921 | |||
922 | case CAIRO_PATTERN_TYPE_SURFACE: |
||
923 | status = _cairo_win32_printing_surface_paint_surface_pattern (surface, |
||
924 | (cairo_surface_pattern_t *) pattern); |
||
925 | if (status) |
||
926 | return status; |
||
927 | break; |
||
928 | |||
929 | case CAIRO_PATTERN_TYPE_LINEAR: |
||
930 | status = _cairo_win32_printing_surface_paint_linear_pattern (surface, (cairo_linear_pattern_t *) pattern); |
||
931 | if (status) |
||
932 | return status; |
||
933 | break; |
||
934 | |||
935 | case CAIRO_PATTERN_TYPE_RADIAL: |
||
936 | return CAIRO_INT_STATUS_UNSUPPORTED; |
||
937 | break; |
||
938 | |||
939 | case CAIRO_PATTERN_TYPE_MESH: |
||
940 | ASSERT_NOT_REACHED; |
||
941 | } |
||
942 | |||
943 | return CAIRO_STATUS_SUCCESS; |
||
944 | } |
||
945 | |||
946 | typedef struct _win32_print_path_info { |
||
947 | cairo_win32_surface_t *surface; |
||
948 | } win32_path_info_t; |
||
949 | |||
950 | static cairo_status_t |
||
951 | _cairo_win32_printing_surface_path_move_to (void *closure, |
||
952 | const cairo_point_t *point) |
||
953 | { |
||
954 | win32_path_info_t *path_info = closure; |
||
955 | |||
956 | if (path_info->surface->has_ctm) { |
||
957 | double x, y; |
||
958 | |||
959 | x = _cairo_fixed_to_double (point->x); |
||
960 | y = _cairo_fixed_to_double (point->y); |
||
961 | cairo_matrix_transform_point (&path_info->surface->ctm, &x, &y); |
||
962 | MoveToEx (path_info->surface->dc, (int) x, (int) y, NULL); |
||
963 | } else { |
||
964 | MoveToEx (path_info->surface->dc, |
||
965 | _cairo_fixed_integer_part (point->x), |
||
966 | _cairo_fixed_integer_part (point->y), |
||
967 | NULL); |
||
968 | } |
||
969 | |||
970 | return CAIRO_STATUS_SUCCESS; |
||
971 | } |
||
972 | |||
973 | static cairo_status_t |
||
974 | _cairo_win32_printing_surface_path_line_to (void *closure, |
||
975 | const cairo_point_t *point) |
||
976 | { |
||
977 | win32_path_info_t *path_info = closure; |
||
978 | |||
979 | path_info->surface->path_empty = FALSE; |
||
980 | if (path_info->surface->has_ctm) { |
||
981 | double x, y; |
||
982 | |||
983 | x = _cairo_fixed_to_double (point->x); |
||
984 | y = _cairo_fixed_to_double (point->y); |
||
985 | cairo_matrix_transform_point (&path_info->surface->ctm, &x, &y); |
||
986 | LineTo (path_info->surface->dc, (int) x, (int) y); |
||
987 | } else { |
||
988 | LineTo (path_info->surface->dc, |
||
989 | _cairo_fixed_integer_part (point->x), |
||
990 | _cairo_fixed_integer_part (point->y)); |
||
991 | } |
||
992 | |||
993 | return CAIRO_STATUS_SUCCESS; |
||
994 | } |
||
995 | |||
996 | static cairo_status_t |
||
997 | _cairo_win32_printing_surface_path_curve_to (void *closure, |
||
998 | const cairo_point_t *b, |
||
999 | const cairo_point_t *c, |
||
1000 | const cairo_point_t *d) |
||
1001 | { |
||
1002 | win32_path_info_t *path_info = closure; |
||
1003 | POINT points[3]; |
||
1004 | |||
1005 | path_info->surface->path_empty = FALSE; |
||
1006 | if (path_info->surface->has_ctm) { |
||
1007 | double x, y; |
||
1008 | |||
1009 | x = _cairo_fixed_to_double (b->x); |
||
1010 | y = _cairo_fixed_to_double (b->y); |
||
1011 | cairo_matrix_transform_point (&path_info->surface->ctm, &x, &y); |
||
1012 | points[0].x = (LONG) x; |
||
1013 | points[0].y = (LONG) y; |
||
1014 | |||
1015 | x = _cairo_fixed_to_double (c->x); |
||
1016 | y = _cairo_fixed_to_double (c->y); |
||
1017 | cairo_matrix_transform_point (&path_info->surface->ctm, &x, &y); |
||
1018 | points[1].x = (LONG) x; |
||
1019 | points[1].y = (LONG) y; |
||
1020 | |||
1021 | x = _cairo_fixed_to_double (d->x); |
||
1022 | y = _cairo_fixed_to_double (d->y); |
||
1023 | cairo_matrix_transform_point (&path_info->surface->ctm, &x, &y); |
||
1024 | points[2].x = (LONG) x; |
||
1025 | points[2].y = (LONG) y; |
||
1026 | } else { |
||
1027 | points[0].x = _cairo_fixed_integer_part (b->x); |
||
1028 | points[0].y = _cairo_fixed_integer_part (b->y); |
||
1029 | points[1].x = _cairo_fixed_integer_part (c->x); |
||
1030 | points[1].y = _cairo_fixed_integer_part (c->y); |
||
1031 | points[2].x = _cairo_fixed_integer_part (d->x); |
||
1032 | points[2].y = _cairo_fixed_integer_part (d->y); |
||
1033 | } |
||
1034 | PolyBezierTo (path_info->surface->dc, points, 3); |
||
1035 | |||
1036 | return CAIRO_STATUS_SUCCESS; |
||
1037 | } |
||
1038 | |||
1039 | static cairo_status_t |
||
1040 | _cairo_win32_printing_surface_path_close_path (void *closure) |
||
1041 | { |
||
1042 | win32_path_info_t *path_info = closure; |
||
1043 | |||
1044 | CloseFigure (path_info->surface->dc); |
||
1045 | |||
1046 | return CAIRO_STATUS_SUCCESS; |
||
1047 | } |
||
1048 | |||
1049 | static cairo_status_t |
||
1050 | _cairo_win32_printing_surface_emit_path (cairo_win32_surface_t *surface, |
||
1051 | cairo_path_fixed_t *path) |
||
1052 | { |
||
1053 | win32_path_info_t path_info; |
||
1054 | |||
1055 | path_info.surface = surface; |
||
1056 | return _cairo_path_fixed_interpret (path, |
||
1057 | CAIRO_DIRECTION_FORWARD, |
||
1058 | _cairo_win32_printing_surface_path_move_to, |
||
1059 | _cairo_win32_printing_surface_path_line_to, |
||
1060 | _cairo_win32_printing_surface_path_curve_to, |
||
1061 | _cairo_win32_printing_surface_path_close_path, |
||
1062 | &path_info); |
||
1063 | } |
||
1064 | |||
1065 | static cairo_int_status_t |
||
1066 | _cairo_win32_printing_surface_show_page (void *abstract_surface) |
||
1067 | { |
||
1068 | cairo_win32_surface_t *surface = abstract_surface; |
||
1069 | |||
1070 | /* Undo both SaveDC's that we did in start_page */ |
||
1071 | RestoreDC (surface->dc, -2); |
||
1072 | |||
1073 | return CAIRO_STATUS_SUCCESS; |
||
1074 | } |
||
1075 | |||
1076 | static cairo_status_t |
||
1077 | _cairo_win32_printing_surface_clipper_intersect_clip_path (cairo_surface_clipper_t *clipper, |
||
1078 | cairo_path_fixed_t *path, |
||
1079 | cairo_fill_rule_t fill_rule, |
||
1080 | double tolerance, |
||
1081 | cairo_antialias_t antialias) |
||
1082 | { |
||
1083 | cairo_win32_surface_t *surface = cairo_container_of (clipper, |
||
1084 | cairo_win32_surface_t, |
||
1085 | clipper); |
||
1086 | cairo_status_t status; |
||
1087 | |||
1088 | if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) |
||
1089 | return CAIRO_STATUS_SUCCESS; |
||
1090 | |||
1091 | if (path == NULL) { |
||
1092 | RestoreDC (surface->dc, -1); |
||
1093 | SaveDC (surface->dc); |
||
1094 | |||
1095 | return CAIRO_STATUS_SUCCESS; |
||
1096 | } |
||
1097 | |||
1098 | BeginPath (surface->dc); |
||
1099 | status = _cairo_win32_printing_surface_emit_path (surface, path); |
||
1100 | EndPath (surface->dc); |
||
1101 | |||
1102 | switch (fill_rule) { |
||
1103 | case CAIRO_FILL_RULE_WINDING: |
||
1104 | SetPolyFillMode (surface->dc, WINDING); |
||
1105 | break; |
||
1106 | case CAIRO_FILL_RULE_EVEN_ODD: |
||
1107 | SetPolyFillMode (surface->dc, ALTERNATE); |
||
1108 | break; |
||
1109 | default: |
||
1110 | ASSERT_NOT_REACHED; |
||
1111 | } |
||
1112 | |||
1113 | SelectClipPath (surface->dc, RGN_AND); |
||
1114 | |||
1115 | return status; |
||
1116 | } |
||
1117 | |||
1118 | static void |
||
1119 | _cairo_win32_printing_surface_get_font_options (void *abstract_surface, |
||
1120 | cairo_font_options_t *options) |
||
1121 | { |
||
1122 | _cairo_font_options_init_default (options); |
||
1123 | |||
1124 | cairo_font_options_set_hint_style (options, CAIRO_HINT_STYLE_NONE); |
||
1125 | cairo_font_options_set_hint_metrics (options, CAIRO_HINT_METRICS_OFF); |
||
1126 | cairo_font_options_set_antialias (options, CAIRO_ANTIALIAS_GRAY); |
||
1127 | } |
||
1128 | |||
1129 | static cairo_int_status_t |
||
1130 | _cairo_win32_printing_surface_paint (void *abstract_surface, |
||
1131 | cairo_operator_t op, |
||
1132 | const cairo_pattern_t *source, |
||
1133 | cairo_clip_t *clip) |
||
1134 | { |
||
1135 | cairo_win32_surface_t *surface = abstract_surface; |
||
1136 | cairo_solid_pattern_t clear; |
||
1137 | cairo_status_t status; |
||
1138 | |||
1139 | status = _cairo_surface_clipper_set_clip (&surface->clipper, clip); |
||
1140 | if (status) |
||
1141 | return status; |
||
1142 | |||
1143 | if (op == CAIRO_OPERATOR_CLEAR) { |
||
1144 | _cairo_win32_printing_surface_init_clear_color (surface, &clear); |
||
1145 | source = (cairo_pattern_t*) &clear; |
||
1146 | op = CAIRO_OPERATOR_SOURCE; |
||
1147 | } |
||
1148 | |||
1149 | if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) |
||
1150 | return _cairo_win32_printing_surface_analyze_operation (surface, op, source); |
||
1151 | |||
1152 | assert (_cairo_win32_printing_surface_operation_supported (surface, op, source)); |
||
1153 | |||
1154 | return _cairo_win32_printing_surface_paint_pattern (surface, source); |
||
1155 | } |
||
1156 | |||
1157 | static int |
||
1158 | _cairo_win32_line_cap (cairo_line_cap_t cap) |
||
1159 | { |
||
1160 | switch (cap) { |
||
1161 | case CAIRO_LINE_CAP_BUTT: |
||
1162 | return PS_ENDCAP_FLAT; |
||
1163 | case CAIRO_LINE_CAP_ROUND: |
||
1164 | return PS_ENDCAP_ROUND; |
||
1165 | case CAIRO_LINE_CAP_SQUARE: |
||
1166 | return PS_ENDCAP_SQUARE; |
||
1167 | default: |
||
1168 | ASSERT_NOT_REACHED; |
||
1169 | return 0; |
||
1170 | } |
||
1171 | } |
||
1172 | |||
1173 | static int |
||
1174 | _cairo_win32_line_join (cairo_line_join_t join) |
||
1175 | { |
||
1176 | switch (join) { |
||
1177 | case CAIRO_LINE_JOIN_MITER: |
||
1178 | return PS_JOIN_MITER; |
||
1179 | case CAIRO_LINE_JOIN_ROUND: |
||
1180 | return PS_JOIN_ROUND; |
||
1181 | case CAIRO_LINE_JOIN_BEVEL: |
||
1182 | return PS_JOIN_BEVEL; |
||
1183 | default: |
||
1184 | ASSERT_NOT_REACHED; |
||
1185 | return 0; |
||
1186 | } |
||
1187 | } |
||
1188 | |||
1189 | static void |
||
1190 | _cairo_matrix_factor_out_scale (cairo_matrix_t *m, double *scale) |
||
1191 | { |
||
1192 | double s; |
||
1193 | |||
1194 | s = fabs (m->xx); |
||
1195 | if (fabs (m->xy) > s) |
||
1196 | s = fabs (m->xy); |
||
1197 | if (fabs (m->yx) > s) |
||
1198 | s = fabs (m->yx); |
||
1199 | if (fabs (m->yy) > s) |
||
1200 | s = fabs (m->yy); |
||
1201 | *scale = s; |
||
1202 | s = 1.0/s; |
||
1203 | cairo_matrix_scale (m, s, s); |
||
1204 | } |
||
1205 | |||
1206 | static cairo_int_status_t |
||
1207 | _cairo_win32_printing_surface_stroke (void *abstract_surface, |
||
1208 | cairo_operator_t op, |
||
1209 | const cairo_pattern_t *source, |
||
1210 | cairo_path_fixed_t *path, |
||
1211 | cairo_stroke_style_t *style, |
||
1212 | cairo_matrix_t *stroke_ctm, |
||
1213 | cairo_matrix_t *stroke_ctm_inverse, |
||
1214 | double tolerance, |
||
1215 | cairo_antialias_t antialias, |
||
1216 | cairo_clip_t *clip) |
||
1217 | { |
||
1218 | cairo_win32_surface_t *surface = abstract_surface; |
||
1219 | cairo_int_status_t status; |
||
1220 | HPEN pen; |
||
1221 | LOGBRUSH brush; |
||
1222 | COLORREF color; |
||
1223 | XFORM xform; |
||
1224 | DWORD pen_style; |
||
1225 | DWORD *dash_array; |
||
1226 | HGDIOBJ obj; |
||
1227 | unsigned int i; |
||
1228 | cairo_solid_pattern_t clear; |
||
1229 | cairo_matrix_t mat; |
||
1230 | double scale; |
||
1231 | |||
1232 | status = _cairo_surface_clipper_set_clip (&surface->clipper, clip); |
||
1233 | if (status) |
||
1234 | return status; |
||
1235 | |||
1236 | if (op == CAIRO_OPERATOR_CLEAR) { |
||
1237 | _cairo_win32_printing_surface_init_clear_color (surface, &clear); |
||
1238 | source = (cairo_pattern_t*) &clear; |
||
1239 | op = CAIRO_OPERATOR_SOURCE; |
||
1240 | } |
||
1241 | |||
1242 | if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) { |
||
1243 | /* Win32 does not support a dash offset. */ |
||
1244 | if (style->num_dashes > 0 && style->dash_offset != 0.0) |
||
1245 | return CAIRO_INT_STATUS_UNSUPPORTED; |
||
1246 | |||
1247 | return _cairo_win32_printing_surface_analyze_operation (surface, op, source); |
||
1248 | } |
||
1249 | |||
1250 | assert (_cairo_win32_printing_surface_operation_supported (surface, op, source)); |
||
1251 | assert (!(style->num_dashes > 0 && style->dash_offset != 0.0)); |
||
1252 | |||
1253 | cairo_matrix_multiply (&mat, stroke_ctm, &surface->ctm); |
||
1254 | _cairo_matrix_factor_out_scale (&mat, &scale); |
||
1255 | |||
1256 | pen_style = PS_GEOMETRIC; |
||
1257 | dash_array = NULL; |
||
1258 | if (style->num_dashes) { |
||
1259 | pen_style |= PS_USERSTYLE; |
||
1260 | dash_array = calloc (sizeof (DWORD), style->num_dashes); |
||
1261 | for (i = 0; i < style->num_dashes; i++) { |
||
1262 | dash_array[i] = (DWORD) (scale * style->dash[i]); |
||
1263 | } |
||
1264 | } else { |
||
1265 | pen_style |= PS_SOLID; |
||
1266 | } |
||
1267 | |||
1268 | SetMiterLimit (surface->dc, (FLOAT) (style->miter_limit), NULL); |
||
1269 | if (source->type == CAIRO_PATTERN_TYPE_SOLID) { |
||
1270 | cairo_solid_pattern_t *solid = (cairo_solid_pattern_t *) source; |
||
1271 | |||
1272 | |||
1273 | color = _cairo_win32_printing_surface_flatten_transparency (surface, |
||
1274 | &solid->color); |
||
1275 | } else { |
||
1276 | /* Color not used as the pen will only be used by WidenPath() */ |
||
1277 | color = RGB (0,0,0); |
||
1278 | } |
||
1279 | brush.lbStyle = BS_SOLID; |
||
1280 | brush.lbColor = color; |
||
1281 | brush.lbHatch = 0; |
||
1282 | pen_style |= _cairo_win32_line_cap (style->line_cap); |
||
1283 | pen_style |= _cairo_win32_line_join (style->line_join); |
||
1284 | pen = ExtCreatePen(pen_style, |
||
1285 | scale * style->line_width, |
||
1286 | &brush, |
||
1287 | style->num_dashes, |
||
1288 | dash_array); |
||
1289 | if (pen == NULL) |
||
1290 | return _cairo_win32_print_gdi_error ("_win32_surface_stroke:ExtCreatePen"); |
||
1291 | obj = SelectObject (surface->dc, pen); |
||
1292 | if (obj == NULL) |
||
1293 | return _cairo_win32_print_gdi_error ("_win32_surface_stroke:SelectObject"); |
||
1294 | |||
1295 | BeginPath (surface->dc); |
||
1296 | status = _cairo_win32_printing_surface_emit_path (surface, path); |
||
1297 | EndPath (surface->dc); |
||
1298 | if (status) |
||
1299 | return status; |
||
1300 | |||
1301 | /* |
||
1302 | * Switch to user space to set line parameters |
||
1303 | */ |
||
1304 | SaveDC (surface->dc); |
||
1305 | |||
1306 | _cairo_matrix_to_win32_xform (&mat, &xform); |
||
1307 | xform.eDx = 0.0f; |
||
1308 | xform.eDy = 0.0f; |
||
1309 | |||
1310 | if (!SetWorldTransform (surface->dc, &xform)) |
||
1311 | return _cairo_win32_print_gdi_error ("_win32_surface_stroke:SetWorldTransform"); |
||
1312 | |||
1313 | if (source->type == CAIRO_PATTERN_TYPE_SOLID) { |
||
1314 | StrokePath (surface->dc); |
||
1315 | } else { |
||
1316 | if (!WidenPath (surface->dc)) |
||
1317 | return _cairo_win32_print_gdi_error ("_win32_surface_stroke:WidenPath"); |
||
1318 | if (!SelectClipPath (surface->dc, RGN_AND)) |
||
1319 | return _cairo_win32_print_gdi_error ("_win32_surface_stroke:SelectClipPath"); |
||
1320 | |||
1321 | /* Return to device space to paint the pattern */ |
||
1322 | if (!ModifyWorldTransform (surface->dc, &xform, MWT_IDENTITY)) |
||
1323 | return _cairo_win32_print_gdi_error ("_win32_surface_stroke:ModifyWorldTransform"); |
||
1324 | status = _cairo_win32_printing_surface_paint_pattern (surface, source); |
||
1325 | } |
||
1326 | RestoreDC (surface->dc, -1); |
||
1327 | DeleteObject (pen); |
||
1328 | if (dash_array) |
||
1329 | free (dash_array); |
||
1330 | |||
1331 | return status; |
||
1332 | } |
||
1333 | |||
1334 | static cairo_int_status_t |
||
1335 | _cairo_win32_printing_surface_fill (void *abstract_surface, |
||
1336 | cairo_operator_t op, |
||
1337 | const cairo_pattern_t *source, |
||
1338 | cairo_path_fixed_t *path, |
||
1339 | cairo_fill_rule_t fill_rule, |
||
1340 | double tolerance, |
||
1341 | cairo_antialias_t antialias, |
||
1342 | cairo_clip_t *clip) |
||
1343 | { |
||
1344 | cairo_win32_surface_t *surface = abstract_surface; |
||
1345 | cairo_int_status_t status; |
||
1346 | cairo_solid_pattern_t clear; |
||
1347 | |||
1348 | status = _cairo_surface_clipper_set_clip (&surface->clipper, clip); |
||
1349 | if (status) |
||
1350 | return status; |
||
1351 | |||
1352 | if (op == CAIRO_OPERATOR_CLEAR) { |
||
1353 | _cairo_win32_printing_surface_init_clear_color (surface, &clear); |
||
1354 | source = (cairo_pattern_t*) &clear; |
||
1355 | op = CAIRO_OPERATOR_SOURCE; |
||
1356 | } |
||
1357 | |||
1358 | if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) |
||
1359 | return _cairo_win32_printing_surface_analyze_operation (surface, op, source); |
||
1360 | |||
1361 | assert (_cairo_win32_printing_surface_operation_supported (surface, op, source)); |
||
1362 | |||
1363 | surface->path_empty = TRUE; |
||
1364 | BeginPath (surface->dc); |
||
1365 | status = _cairo_win32_printing_surface_emit_path (surface, path); |
||
1366 | EndPath (surface->dc); |
||
1367 | |||
1368 | switch (fill_rule) { |
||
1369 | case CAIRO_FILL_RULE_WINDING: |
||
1370 | SetPolyFillMode (surface->dc, WINDING); |
||
1371 | break; |
||
1372 | case CAIRO_FILL_RULE_EVEN_ODD: |
||
1373 | SetPolyFillMode (surface->dc, ALTERNATE); |
||
1374 | break; |
||
1375 | default: |
||
1376 | ASSERT_NOT_REACHED; |
||
1377 | } |
||
1378 | |||
1379 | if (source->type == CAIRO_PATTERN_TYPE_SOLID) { |
||
1380 | status = _cairo_win32_printing_surface_select_solid_brush (surface, source); |
||
1381 | if (status) |
||
1382 | return status; |
||
1383 | |||
1384 | FillPath (surface->dc); |
||
1385 | _cairo_win32_printing_surface_done_solid_brush (surface); |
||
1386 | } else if (surface->path_empty == FALSE) { |
||
1387 | SaveDC (surface->dc); |
||
1388 | SelectClipPath (surface->dc, RGN_AND); |
||
1389 | status = _cairo_win32_printing_surface_paint_pattern (surface, source); |
||
1390 | RestoreDC (surface->dc, -1); |
||
1391 | } |
||
1392 | |||
1393 | fflush(stderr); |
||
1394 | |||
1395 | return status; |
||
1396 | } |
||
1397 | |||
1398 | static cairo_int_status_t |
||
1399 | _cairo_win32_printing_surface_show_glyphs (void *abstract_surface, |
||
1400 | cairo_operator_t op, |
||
1401 | const cairo_pattern_t *source, |
||
1402 | cairo_glyph_t *glyphs, |
||
1403 | int num_glyphs, |
||
1404 | cairo_scaled_font_t *scaled_font, |
||
1405 | cairo_clip_t *clip, |
||
1406 | int *remaining_glyphs) |
||
1407 | { |
||
1408 | cairo_win32_surface_t *surface = abstract_surface; |
||
1409 | cairo_status_t status = CAIRO_STATUS_SUCCESS; |
||
1410 | cairo_scaled_glyph_t *scaled_glyph; |
||
1411 | cairo_pattern_t *opaque = NULL; |
||
1412 | int i; |
||
1413 | cairo_matrix_t old_ctm; |
||
1414 | cairo_bool_t old_has_ctm; |
||
1415 | cairo_solid_pattern_t clear; |
||
1416 | |||
1417 | status = _cairo_surface_clipper_set_clip (&surface->clipper, clip); |
||
1418 | if (status) |
||
1419 | return status; |
||
1420 | |||
1421 | if (op == CAIRO_OPERATOR_CLEAR) { |
||
1422 | _cairo_win32_printing_surface_init_clear_color (surface, &clear); |
||
1423 | source = (cairo_pattern_t*) &clear; |
||
1424 | op = CAIRO_OPERATOR_SOURCE; |
||
1425 | } |
||
1426 | |||
1427 | if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) { |
||
1428 | /* When printing bitmap fonts to a printer DC, Windows may |
||
1429 | * substitute an outline font for bitmap font. As the win32 |
||
1430 | * font backend always uses a screen DC when obtaining the |
||
1431 | * font metrics the metrics of the substituted font will not |
||
1432 | * match the metrics that the win32 font backend returns. |
||
1433 | * |
||
1434 | * If we are printing a bitmap font, use fallback images to |
||
1435 | * ensure the font is not substituted. |
||
1436 | */ |
||
1437 | #if CAIRO_HAS_WIN32_FONT |
||
1438 | if (cairo_scaled_font_get_type (scaled_font) == CAIRO_FONT_TYPE_WIN32) { |
||
1439 | if (_cairo_win32_scaled_font_is_bitmap (scaled_font)) |
||
1440 | return CAIRO_INT_STATUS_UNSUPPORTED; |
||
1441 | else |
||
1442 | return _cairo_win32_printing_surface_analyze_operation (surface, op, source); |
||
1443 | } |
||
1444 | |||
1445 | /* For non win32 fonts we need to check that each glyph has a |
||
1446 | * path available. If a path is not available, |
||
1447 | * _cairo_scaled_glyph_lookup() will return |
||
1448 | * CAIRO_INT_STATUS_UNSUPPORTED and a fallback image will be |
||
1449 | * used. |
||
1450 | */ |
||
1451 | for (i = 0; i < num_glyphs; i++) { |
||
1452 | status = _cairo_scaled_glyph_lookup (scaled_font, |
||
1453 | glyphs[i].index, |
||
1454 | CAIRO_SCALED_GLYPH_INFO_PATH, |
||
1455 | &scaled_glyph); |
||
1456 | if (status) |
||
1457 | return status; |
||
1458 | } |
||
1459 | #endif |
||
1460 | |||
1461 | return _cairo_win32_printing_surface_analyze_operation (surface, op, source); |
||
1462 | } |
||
1463 | |||
1464 | if (source->type == CAIRO_PATTERN_TYPE_SOLID) { |
||
1465 | cairo_solid_pattern_t *solid = (cairo_solid_pattern_t *) source; |
||
1466 | COLORREF color; |
||
1467 | |||
1468 | color = _cairo_win32_printing_surface_flatten_transparency (surface, |
||
1469 | &solid->color); |
||
1470 | opaque = cairo_pattern_create_rgb (GetRValue (color) / 255.0, |
||
1471 | GetGValue (color) / 255.0, |
||
1472 | GetBValue (color) / 255.0); |
||
1473 | if (opaque->status) |
||
1474 | return opaque->status; |
||
1475 | source = opaque; |
||
1476 | } |
||
1477 | |||
1478 | #if CAIRO_HAS_WIN32_FONT |
||
1479 | if (cairo_scaled_font_get_type (scaled_font) == CAIRO_FONT_TYPE_WIN32 && |
||
1480 | source->type == CAIRO_PATTERN_TYPE_SOLID) |
||
1481 | { |
||
1482 | cairo_matrix_t ctm; |
||
1483 | cairo_glyph_t *type1_glyphs = NULL; |
||
1484 | cairo_scaled_font_subsets_glyph_t subset_glyph; |
||
1485 | |||
1486 | /* Calling ExtTextOutW() with ETO_GLYPH_INDEX and a Type 1 |
||
1487 | * font on a printer DC prints garbled text. The text displays |
||
1488 | * correctly on a display DC. When using a printer |
||
1489 | * DC, ExtTextOutW() only works with characters and not glyph |
||
1490 | * indices. |
||
1491 | * |
||
1492 | * For Type 1 fonts the glyph indices are converted back to |
||
1493 | * unicode characters before calling _cairo_win32_surface_show_glyphs(). |
||
1494 | * |
||
1495 | * As _cairo_win32_scaled_font_index_to_ucs4() is a slow |
||
1496 | * operation, the font subsetting function |
||
1497 | * _cairo_scaled_font_subsets_map_glyph() is used to obtain |
||
1498 | * the unicode value because it caches the reverse mapping in |
||
1499 | * the subsets. |
||
1500 | */ |
||
1501 | if (_cairo_win32_scaled_font_is_type1 (scaled_font)) { |
||
1502 | type1_glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t)); |
||
1503 | if (type1_glyphs == NULL) |
||
1504 | return _cairo_error (CAIRO_STATUS_NO_MEMORY); |
||
1505 | |||
1506 | memcpy (type1_glyphs, glyphs, num_glyphs * sizeof (cairo_glyph_t)); |
||
1507 | for (i = 0; i < num_glyphs; i++) { |
||
1508 | status = _cairo_scaled_font_subsets_map_glyph (surface->font_subsets, |
||
1509 | scaled_font, |
||
1510 | type1_glyphs[i].index, |
||
1511 | NULL, 0, |
||
1512 | &subset_glyph); |
||
1513 | if (status) |
||
1514 | return status; |
||
1515 | |||
1516 | type1_glyphs[i].index = subset_glyph.unicode; |
||
1517 | } |
||
1518 | glyphs = type1_glyphs; |
||
1519 | } |
||
1520 | |||
1521 | if (surface->has_ctm) { |
||
1522 | for (i = 0; i < num_glyphs; i++) |
||
1523 | cairo_matrix_transform_point (&surface->ctm, &glyphs[i].x, &glyphs[i].y); |
||
1524 | cairo_matrix_multiply (&ctm, &scaled_font->ctm, &surface->ctm); |
||
1525 | scaled_font = cairo_scaled_font_create (scaled_font->font_face, |
||
1526 | &scaled_font->font_matrix, |
||
1527 | &ctm, |
||
1528 | &scaled_font->options); |
||
1529 | } |
||
1530 | status = _cairo_win32_surface_show_glyphs (surface, op, |
||
1531 | source, glyphs, |
||
1532 | num_glyphs, scaled_font, |
||
1533 | clip, |
||
1534 | remaining_glyphs); |
||
1535 | if (surface->has_ctm) |
||
1536 | cairo_scaled_font_destroy (scaled_font); |
||
1537 | |||
1538 | if (type1_glyphs != NULL) |
||
1539 | free (type1_glyphs); |
||
1540 | |||
1541 | return status; |
||
1542 | } |
||
1543 | #endif |
||
1544 | |||
1545 | SaveDC (surface->dc); |
||
1546 | old_ctm = surface->ctm; |
||
1547 | old_has_ctm = surface->has_ctm; |
||
1548 | surface->has_ctm = TRUE; |
||
1549 | surface->path_empty = TRUE; |
||
1550 | BeginPath (surface->dc); |
||
1551 | for (i = 0; i < num_glyphs; i++) { |
||
1552 | status = _cairo_scaled_glyph_lookup (scaled_font, |
||
1553 | glyphs[i].index, |
||
1554 | CAIRO_SCALED_GLYPH_INFO_PATH, |
||
1555 | &scaled_glyph); |
||
1556 | if (status) |
||
1557 | break; |
||
1558 | surface->ctm = old_ctm; |
||
1559 | cairo_matrix_translate (&surface->ctm, glyphs[i].x, glyphs[i].y); |
||
1560 | status = _cairo_win32_printing_surface_emit_path (surface, scaled_glyph->path); |
||
1561 | } |
||
1562 | EndPath (surface->dc); |
||
1563 | surface->ctm = old_ctm; |
||
1564 | surface->has_ctm = old_has_ctm; |
||
1565 | if (status == CAIRO_STATUS_SUCCESS && surface->path_empty == FALSE) { |
||
1566 | if (source->type == CAIRO_PATTERN_TYPE_SOLID) { |
||
1567 | status = _cairo_win32_printing_surface_select_solid_brush (surface, source); |
||
1568 | if (status) |
||
1569 | return status; |
||
1570 | |||
1571 | SetPolyFillMode (surface->dc, WINDING); |
||
1572 | FillPath (surface->dc); |
||
1573 | _cairo_win32_printing_surface_done_solid_brush (surface); |
||
1574 | } else { |
||
1575 | SelectClipPath (surface->dc, RGN_AND); |
||
1576 | status = _cairo_win32_printing_surface_paint_pattern (surface, source); |
||
1577 | } |
||
1578 | } |
||
1579 | RestoreDC (surface->dc, -1); |
||
1580 | |||
1581 | if (opaque) |
||
1582 | cairo_pattern_destroy (opaque); |
||
1583 | |||
1584 | return status; |
||
1585 | } |
||
1586 | |||
1587 | static cairo_surface_t * |
||
1588 | _cairo_win32_printing_surface_create_similar (void *abstract_surface, |
||
1589 | cairo_content_t content, |
||
1590 | int width, |
||
1591 | int height) |
||
1592 | { |
||
1593 | cairo_rectangle_t extents; |
||
1594 | |||
1595 | extents.x = extents.y = 0; |
||
1596 | extents.width = width; |
||
1597 | extents.height = height; |
||
1598 | return cairo_meta_surface_create (content, &extents); |
||
1599 | } |
||
1600 | |||
1601 | static cairo_int_status_t |
||
1602 | _cairo_win32_printing_surface_start_page (void *abstract_surface) |
||
1603 | { |
||
1604 | cairo_win32_surface_t *surface = abstract_surface; |
||
1605 | XFORM xform; |
||
1606 | double x_res, y_res; |
||
1607 | cairo_matrix_t inverse_ctm; |
||
1608 | cairo_status_t status; |
||
1609 | |||
1610 | SaveDC (surface->dc); /* Save application context first, before doing MWT */ |
||
1611 | |||
1612 | SetGraphicsMode (surface->dc, GM_ADVANCED); |
||
1613 | GetWorldTransform(surface->dc, &xform); |
||
1614 | surface->ctm.xx = xform.eM11; |
||
1615 | surface->ctm.xy = xform.eM21; |
||
1616 | surface->ctm.yx = xform.eM12; |
||
1617 | surface->ctm.yy = xform.eM22; |
||
1618 | surface->ctm.x0 = xform.eDx; |
||
1619 | surface->ctm.y0 = xform.eDy; |
||
1620 | surface->has_ctm = !_cairo_matrix_is_identity (&surface->ctm); |
||
1621 | |||
1622 | inverse_ctm = surface->ctm; |
||
1623 | status = cairo_matrix_invert (&inverse_ctm); |
||
1624 | if (status) |
||
1625 | return status; |
||
1626 | |||
1627 | x_res = GetDeviceCaps (surface->dc, LOGPIXELSX); |
||
1628 | y_res = GetDeviceCaps (surface->dc, LOGPIXELSY); |
||
1629 | cairo_matrix_transform_distance (&inverse_ctm, &x_res, &y_res); |
||
1630 | _cairo_surface_set_resolution (&surface->base, x_res, y_res); |
||
1631 | |||
1632 | if (!ModifyWorldTransform (surface->dc, NULL, MWT_IDENTITY)) |
||
1633 | return _cairo_win32_print_gdi_error ("_cairo_win32_printing_surface_start_page:ModifyWorldTransform"); |
||
1634 | |||
1635 | SaveDC (surface->dc); /* Then save Cairo's known-good clip state, so the clip path can be reset */ |
||
1636 | |||
1637 | return CAIRO_STATUS_SUCCESS; |
||
1638 | } |
||
1639 | |||
1640 | static void |
||
1641 | _cairo_win32_printing_surface_set_paginated_mode (void *abstract_surface, |
||
1642 | cairo_paginated_mode_t paginated_mode) |
||
1643 | { |
||
1644 | cairo_win32_surface_t *surface = abstract_surface; |
||
1645 | |||
1646 | surface->paginated_mode = paginated_mode; |
||
1647 | } |
||
1648 | |||
1649 | static cairo_bool_t |
||
1650 | _cairo_win32_printing_surface_supports_fine_grained_fallbacks (void *abstract_surface) |
||
1651 | { |
||
1652 | return TRUE; |
||
1653 | } |
||
1654 | |||
1655 | /** |
||
1656 | * cairo_win32_printing_surface_create: |
||
1657 | * @hdc: the DC to create a surface for |
||
1658 | * |
||
1659 | * Creates a cairo surface that targets the given DC. The DC will be |
||
1660 | * queried for its initial clip extents, and this will be used as the |
||
1661 | * size of the cairo surface. The DC should be a printing DC; |
||
1662 | * antialiasing will be ignored, and GDI will be used as much as |
||
1663 | * possible to draw to the surface. |
||
1664 | * |
||
1665 | * The returned surface will be wrapped using the paginated surface to |
||
1666 | * provide correct complex rendering behaviour; show_page() and |
||
1667 | * associated methods must be used for correct output. |
||
1668 | * |
||
1669 | * Return value: the newly created surface |
||
1670 | * |
||
1671 | * Since: 1.6 |
||
1672 | **/ |
||
1673 | cairo_surface_t * |
||
1674 | cairo_win32_printing_surface_create (HDC hdc) |
||
1675 | { |
||
1676 | cairo_win32_surface_t *surface; |
||
1677 | cairo_surface_t *paginated; |
||
1678 | RECT rect; |
||
1679 | |||
1680 | surface = malloc (sizeof (cairo_win32_surface_t)); |
||
1681 | if (surface == NULL) |
||
1682 | return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY)); |
||
1683 | |||
1684 | if (_cairo_win32_save_initial_clip (hdc, surface) != CAIRO_STATUS_SUCCESS) { |
||
1685 | free (surface); |
||
1686 | return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY)); |
||
1687 | } |
||
1688 | |||
1689 | _cairo_surface_clipper_init (&surface->clipper, |
||
1690 | _cairo_win32_printing_surface_clipper_intersect_clip_path); |
||
1691 | |||
1692 | surface->image = NULL; |
||
1693 | surface->format = CAIRO_FORMAT_RGB24; |
||
1694 | surface->content = CAIRO_CONTENT_COLOR_ALPHA; |
||
1695 | |||
1696 | surface->dc = hdc; |
||
1697 | surface->bitmap = NULL; |
||
1698 | surface->is_dib = FALSE; |
||
1699 | surface->saved_dc_bitmap = NULL; |
||
1700 | surface->brush = NULL; |
||
1701 | surface->old_brush = NULL; |
||
1702 | surface->font_subsets = _cairo_scaled_font_subsets_create_scaled (); |
||
1703 | if (surface->font_subsets == NULL) { |
||
1704 | free (surface); |
||
1705 | return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY)); |
||
1706 | } |
||
1707 | |||
1708 | GetClipBox(hdc, &rect); |
||
1709 | surface->extents.x = rect.left; |
||
1710 | surface->extents.y = rect.top; |
||
1711 | surface->extents.width = rect.right - rect.left; |
||
1712 | surface->extents.height = rect.bottom - rect.top; |
||
1713 | |||
1714 | surface->flags = _cairo_win32_flags_for_dc (surface->dc); |
||
1715 | surface->flags |= CAIRO_WIN32_SURFACE_FOR_PRINTING; |
||
1716 | |||
1717 | _cairo_win32_printing_surface_init_ps_mode (surface); |
||
1718 | _cairo_win32_printing_surface_init_image_support (surface); |
||
1719 | _cairo_surface_init (&surface->base, |
||
1720 | &cairo_win32_printing_surface_backend, |
||
1721 | CAIRO_CONTENT_COLOR_ALPHA); |
||
1722 | |||
1723 | paginated = _cairo_paginated_surface_create (&surface->base, |
||
1724 | CAIRO_CONTENT_COLOR_ALPHA, |
||
1725 | &cairo_win32_surface_paginated_backend); |
||
1726 | |||
1727 | /* paginated keeps the only reference to surface now, drop ours */ |
||
1728 | cairo_surface_destroy (&surface->base); |
||
1729 | |||
1730 | return paginated; |
||
1731 | } |
||
1732 | |||
1733 | cairo_bool_t |
||
1734 | _cairo_surface_is_win32_printing (cairo_surface_t *surface) |
||
1735 | { |
||
1736 | return surface->backend == &cairo_win32_printing_surface_backend; |
||
1737 | } |
||
1738 | |||
1739 | static const cairo_surface_backend_t cairo_win32_printing_surface_backend = { |
||
1740 | CAIRO_SURFACE_TYPE_WIN32_PRINTING, |
||
1741 | _cairo_win32_printing_surface_create_similar, |
||
1742 | _cairo_win32_surface_finish, |
||
1743 | NULL, /* acquire_source_image */ |
||
1744 | NULL, /* release_source_image */ |
||
1745 | NULL, /* acquire_dest_image */ |
||
1746 | NULL, /* release_dest_image */ |
||
1747 | NULL, /* clone_similar */ |
||
1748 | NULL, /* composite */ |
||
1749 | NULL, /* fill_rectangles */ |
||
1750 | NULL, /* composite_trapezoids */ |
||
1751 | NULL, /* create_span_renderer */ |
||
1752 | NULL, /* check_span_renderer */ |
||
1753 | NULL, /* copy_page */ |
||
1754 | _cairo_win32_printing_surface_show_page, |
||
1755 | _cairo_win32_surface_get_extents, |
||
1756 | NULL, /* old_show_glyphs */ |
||
1757 | _cairo_win32_printing_surface_get_font_options, |
||
1758 | NULL, /* flush */ |
||
1759 | NULL, /* mark_dirty_rectangle */ |
||
1760 | NULL, /* scaled_font_fini */ |
||
1761 | NULL, /* scaled_glyph_fini */ |
||
1762 | |||
1763 | _cairo_win32_printing_surface_paint, |
||
1764 | NULL, /* mask */ |
||
1765 | _cairo_win32_printing_surface_stroke, |
||
1766 | _cairo_win32_printing_surface_fill, |
||
1767 | _cairo_win32_printing_surface_show_glyphs, |
||
1768 | NULL, /* snapshot */ |
||
1769 | NULL, /* is_similar */ |
||
1770 | NULL, /* fill_stroke */ |
||
1771 | }; |
||
1772 | |||
1773 | static const cairo_paginated_surface_backend_t cairo_win32_surface_paginated_backend = { |
||
1774 | _cairo_win32_printing_surface_start_page, |
||
1775 | _cairo_win32_printing_surface_set_paginated_mode, |
||
1776 | NULL, /* set_bounding_box */ |
||
1777 | NULL, /* _cairo_win32_printing_surface_has_fallback_images, */ |
||
1778 | _cairo_win32_printing_surface_supports_fine_grained_fallbacks, |
||
1779 | }; |