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Side by Side Diff: webkit/plugins/ppapi/ppb_font_impl.cc

Issue 5828003: Move the Pepper implementation from webkit/glue/plugins/pepper_* to... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 10 years ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "webkit/glue/plugins/pepper_font.h" 5 #include "webkit/plugins/ppapi/ppb_font_impl.h"
6 6
7 #include "base/logging.h" 7 #include "base/logging.h"
8 #include "base/utf_string_conversions.h" 8 #include "base/utf_string_conversions.h"
9 #include "ppapi/c/dev/ppb_font_dev.h" 9 #include "ppapi/c/dev/ppb_font_dev.h"
10 #include "ppapi/c/pp_rect.h" 10 #include "ppapi/c/pp_rect.h"
11 #include "third_party/WebKit/WebKit/chromium/public/WebFont.h" 11 #include "third_party/WebKit/WebKit/chromium/public/WebFont.h"
12 #include "third_party/WebKit/WebKit/chromium/public/WebFontDescription.h" 12 #include "third_party/WebKit/WebKit/chromium/public/WebFontDescription.h"
13 #include "third_party/WebKit/WebKit/chromium/public/WebRect.h" 13 #include "third_party/WebKit/WebKit/chromium/public/WebRect.h"
14 #include "third_party/WebKit/WebKit/chromium/public/WebFloatPoint.h" 14 #include "third_party/WebKit/WebKit/chromium/public/WebFloatPoint.h"
15 #include "third_party/WebKit/WebKit/chromium/public/WebFloatRect.h" 15 #include "third_party/WebKit/WebKit/chromium/public/WebFloatRect.h"
16 #include "third_party/WebKit/WebKit/chromium/public/WebTextRun.h" 16 #include "third_party/WebKit/WebKit/chromium/public/WebTextRun.h"
17 #include "webkit/glue/plugins/pepper_common.h" 17 #include "webkit/plugins/ppapi/common.h"
18 #include "webkit/glue/plugins/pepper_image_data.h" 18 #include "webkit/plugins/ppapi/plugin_module.h"
19 #include "webkit/glue/plugins/pepper_plugin_module.h" 19 #include "webkit/plugins/ppapi/ppb_image_data_impl.h"
20 #include "webkit/glue/plugins/pepper_string.h" 20 #include "webkit/plugins/ppapi/string.h"
21 #include "webkit/glue/plugins/pepper_var.h" 21 #include "webkit/plugins/ppapi/var.h"
22 #include "webkit/glue/webkit_glue.h" 22 #include "webkit/glue/webkit_glue.h"
23 23
24 using WebKit::WebFloatPoint; 24 using WebKit::WebFloatPoint;
25 using WebKit::WebFloatRect; 25 using WebKit::WebFloatRect;
26 using WebKit::WebFont; 26 using WebKit::WebFont;
27 using WebKit::WebFontDescription; 27 using WebKit::WebFontDescription;
28 using WebKit::WebRect; 28 using WebKit::WebRect;
29 using WebKit::WebTextRun; 29 using WebKit::WebTextRun;
30 30
31 namespace pepper { 31 namespace webkit {
32 namespace ppapi {
32 33
33 namespace { 34 namespace {
34 35
35 bool IsPPFontDescriptionValid(const PP_FontDescription_Dev& desc) { 36 bool IsPPFontDescriptionValid(const PP_FontDescription_Dev& desc) {
36 // Check validity of UTF-8. 37 // Check validity of UTF-8.
37 if (desc.face.type != PP_VARTYPE_STRING && 38 if (desc.face.type != PP_VARTYPE_STRING &&
38 desc.face.type != PP_VARTYPE_UNDEFINED) 39 desc.face.type != PP_VARTYPE_UNDEFINED)
39 return false; 40 return false;
40 41
41 // Check enum ranges. 42 // Check enum ranges.
(...skipping 68 matching lines...) Expand 10 before | Expand all | Expand 10 after
110 111
111 PP_Resource Create(PP_Module module_id, 112 PP_Resource Create(PP_Module module_id,
112 const PP_FontDescription_Dev* description) { 113 const PP_FontDescription_Dev* description) {
113 PluginModule* module = ResourceTracker::Get()->GetModule(module_id); 114 PluginModule* module = ResourceTracker::Get()->GetModule(module_id);
114 if (!module) 115 if (!module)
115 return 0; 116 return 0;
116 117
117 if (!IsPPFontDescriptionValid(*description)) 118 if (!IsPPFontDescriptionValid(*description))
118 return 0; 119 return 0;
119 120
120 scoped_refptr<Font> font(new Font(module, *description)); 121 scoped_refptr<PPB_Font_Impl> font(new PPB_Font_Impl(module, *description));
121 return font->GetReference(); 122 return font->GetReference();
122 } 123 }
123 124
124 PP_Bool IsFont(PP_Resource resource) { 125 PP_Bool IsFont(PP_Resource resource) {
125 return BoolToPPBool(!!Resource::GetAs<Font>(resource).get()); 126 return BoolToPPBool(!!Resource::GetAs<PPB_Font_Impl>(resource).get());
126 } 127 }
127 128
128 PP_Bool Describe(PP_Resource font_id, 129 PP_Bool Describe(PP_Resource font_id,
129 PP_FontDescription_Dev* description, 130 PP_FontDescription_Dev* description,
130 PP_FontMetrics_Dev* metrics) { 131 PP_FontMetrics_Dev* metrics) {
131 scoped_refptr<Font> font(Resource::GetAs<Font>(font_id)); 132 scoped_refptr<PPB_Font_Impl> font(Resource::GetAs<PPB_Font_Impl>(font_id));
132 if (!font.get()) 133 if (!font.get())
133 return PP_FALSE; 134 return PP_FALSE;
134 return BoolToPPBool(font->Describe(description, metrics)); 135 return BoolToPPBool(font->Describe(description, metrics));
135 } 136 }
136 137
137 PP_Bool DrawTextAt(PP_Resource font_id, 138 PP_Bool DrawTextAt(PP_Resource font_id,
138 PP_Resource image_data, 139 PP_Resource image_data,
139 const PP_TextRun_Dev* text, 140 const PP_TextRun_Dev* text,
140 const PP_Point* position, 141 const PP_Point* position,
141 uint32_t color, 142 uint32_t color,
142 const PP_Rect* clip, 143 const PP_Rect* clip,
143 PP_Bool image_data_is_opaque) { 144 PP_Bool image_data_is_opaque) {
144 scoped_refptr<Font> font(Resource::GetAs<Font>(font_id)); 145 scoped_refptr<PPB_Font_Impl> font(Resource::GetAs<PPB_Font_Impl>(font_id));
145 if (!font.get()) 146 if (!font.get())
146 return PP_FALSE; 147 return PP_FALSE;
147 return BoolToPPBool(font->DrawTextAt(image_data, text, position, color, clip, 148 return BoolToPPBool(font->DrawTextAt(image_data, text, position, color, clip,
148 PPBoolToBool(image_data_is_opaque))); 149 PPBoolToBool(image_data_is_opaque)));
149 } 150 }
150 151
151 int32_t MeasureText(PP_Resource font_id, const PP_TextRun_Dev* text) { 152 int32_t MeasureText(PP_Resource font_id, const PP_TextRun_Dev* text) {
152 scoped_refptr<Font> font(Resource::GetAs<Font>(font_id)); 153 scoped_refptr<PPB_Font_Impl> font(Resource::GetAs<PPB_Font_Impl>(font_id));
153 if (!font.get()) 154 if (!font.get())
154 return -1; 155 return -1;
155 return font->MeasureText(text); 156 return font->MeasureText(text);
156 } 157 }
157 158
158 uint32_t CharacterOffsetForPixel(PP_Resource font_id, 159 uint32_t CharacterOffsetForPixel(PP_Resource font_id,
159 const PP_TextRun_Dev* text, 160 const PP_TextRun_Dev* text,
160 int32_t pixel_position) { 161 int32_t pixel_position) {
161 scoped_refptr<Font> font(Resource::GetAs<Font>(font_id)); 162 scoped_refptr<PPB_Font_Impl> font(Resource::GetAs<PPB_Font_Impl>(font_id));
162 if (!font.get()) 163 if (!font.get())
163 return false; 164 return false;
164 return font->CharacterOffsetForPixel(text, pixel_position); 165 return font->CharacterOffsetForPixel(text, pixel_position);
165 } 166 }
166 167
167 int32_t PixelOffsetForCharacter(PP_Resource font_id, 168 int32_t PixelOffsetForCharacter(PP_Resource font_id,
168 const PP_TextRun_Dev* text, 169 const PP_TextRun_Dev* text,
169 uint32_t char_offset) { 170 uint32_t char_offset) {
170 scoped_refptr<Font> font(Resource::GetAs<Font>(font_id)); 171 scoped_refptr<PPB_Font_Impl> font(Resource::GetAs<PPB_Font_Impl>(font_id));
171 if (!font.get()) 172 if (!font.get())
172 return false; 173 return false;
173 return font->PixelOffsetForCharacter(text, char_offset); 174 return font->PixelOffsetForCharacter(text, char_offset);
174 } 175 }
175 176
176 const PPB_Font_Dev ppb_font = { 177 const PPB_Font_Dev ppb_font = {
177 &Create, 178 &Create,
178 &IsFont, 179 &IsFont,
179 &Describe, 180 &Describe,
180 &DrawTextAt, 181 &DrawTextAt,
181 &MeasureText, 182 &MeasureText,
182 &CharacterOffsetForPixel, 183 &CharacterOffsetForPixel,
183 &PixelOffsetForCharacter 184 &PixelOffsetForCharacter
184 }; 185 };
185 186
186 } // namespace 187 } // namespace
187 188
188 Font::Font(PluginModule* module, const PP_FontDescription_Dev& desc) 189 PPB_Font_Impl::PPB_Font_Impl(PluginModule* module,
190 const PP_FontDescription_Dev& desc)
189 : Resource(module) { 191 : Resource(module) {
190 WebFontDescription web_font_desc = PPFontDescToWebFontDesc(desc); 192 WebFontDescription web_font_desc = PPFontDescToWebFontDesc(desc);
191 font_.reset(WebFont::create(web_font_desc)); 193 font_.reset(WebFont::create(web_font_desc));
192 } 194 }
193 195
194 Font::~Font() { 196 PPB_Font_Impl::~PPB_Font_Impl() {
195 } 197 }
196 198
197 // static 199 // static
198 const PPB_Font_Dev* Font::GetInterface() { 200 const PPB_Font_Dev* PPB_Font_Impl::GetInterface() {
199 return &ppb_font; 201 return &ppb_font;
200 } 202 }
201 203
202 Font* Font::AsFont() { 204 PPB_Font_Impl* PPB_Font_Impl::AsPPB_Font_Impl() {
203 return this; 205 return this;
204 } 206 }
205 207
206 bool Font::Describe(PP_FontDescription_Dev* description, 208 bool PPB_Font_Impl::Describe(PP_FontDescription_Dev* description,
207 PP_FontMetrics_Dev* metrics) { 209 PP_FontMetrics_Dev* metrics) {
208 if (description->face.type != PP_VARTYPE_UNDEFINED) 210 if (description->face.type != PP_VARTYPE_UNDEFINED)
209 return false; 211 return false;
210 212
211 WebFontDescription web_desc = font_->fontDescription(); 213 WebFontDescription web_desc = font_->fontDescription();
212 214
213 // While converting the other way in PPFontDescToWebFontDesc we validated 215 // While converting the other way in PPFontDescToWebFontDesc we validated
214 // that the enums can be casted. 216 // that the enums can be casted.
215 description->face = StringVar::StringToPPVar(module(), 217 description->face = StringVar::StringToPPVar(module(),
216 UTF16ToUTF8(web_desc.family)); 218 UTF16ToUTF8(web_desc.family));
217 description->family = static_cast<PP_FontFamily_Dev>(web_desc.genericFamily); 219 description->family = static_cast<PP_FontFamily_Dev>(web_desc.genericFamily);
218 description->size = static_cast<uint32_t>(web_desc.size); 220 description->size = static_cast<uint32_t>(web_desc.size);
219 description->weight = static_cast<PP_FontWeight_Dev>(web_desc.weight); 221 description->weight = static_cast<PP_FontWeight_Dev>(web_desc.weight);
220 description->italic = BoolToPPBool(web_desc.italic); 222 description->italic = BoolToPPBool(web_desc.italic);
221 description->small_caps = BoolToPPBool(web_desc.smallCaps); 223 description->small_caps = BoolToPPBool(web_desc.smallCaps);
222 224
223 metrics->height = font_->height(); 225 metrics->height = font_->height();
224 metrics->ascent = font_->ascent(); 226 metrics->ascent = font_->ascent();
225 metrics->descent = font_->descent(); 227 metrics->descent = font_->descent();
226 metrics->line_spacing = font_->lineSpacing(); 228 metrics->line_spacing = font_->lineSpacing();
227 metrics->x_height = static_cast<int32_t>(font_->xHeight()); 229 metrics->x_height = static_cast<int32_t>(font_->xHeight());
228 230
229 return true; 231 return true;
230 } 232 }
231 233
232 bool Font::DrawTextAt(PP_Resource image_data, 234 bool PPB_Font_Impl::DrawTextAt(PP_Resource image_data,
233 const PP_TextRun_Dev* text, 235 const PP_TextRun_Dev* text,
234 const PP_Point* position, 236 const PP_Point* position,
235 uint32_t color, 237 uint32_t color,
236 const PP_Rect* clip, 238 const PP_Rect* clip,
237 bool image_data_is_opaque) { 239 bool image_data_is_opaque) {
238 WebTextRun run; 240 WebTextRun run;
239 if (!PPTextRunToWebTextRun(text, &run)) 241 if (!PPTextRunToWebTextRun(text, &run))
240 return false; 242 return false;
241 243
242 // Get and map the image data we're painting to. 244 // Get and map the image data we're painting to.
243 scoped_refptr<ImageData> image_resource( 245 scoped_refptr<PPB_ImageData_Impl> image_resource(
244 Resource::GetAs<ImageData>(image_data)); 246 Resource::GetAs<PPB_ImageData_Impl>(image_data));
245 if (!image_resource.get()) 247 if (!image_resource.get())
246 return false; 248 return false;
247 ImageDataAutoMapper mapper(image_resource); 249 ImageDataAutoMapper mapper(image_resource);
248 if (!mapper.is_valid()) 250 if (!mapper.is_valid())
249 return false; 251 return false;
250 252
251 // Convert position and clip. 253 // Convert position and clip.
252 WebFloatPoint web_position(static_cast<float>(position->x), 254 WebFloatPoint web_position(static_cast<float>(position->x),
253 static_cast<float>(position->y)); 255 static_cast<float>(position->y));
254 WebRect web_clip; 256 WebRect web_clip;
255 if (!clip) { 257 if (!clip) {
256 // Use entire canvas. 258 // Use entire canvas.
257 web_clip = WebRect(0, 0, image_resource->width(), image_resource->height()); 259 web_clip = WebRect(0, 0, image_resource->width(), image_resource->height());
258 } else { 260 } else {
259 web_clip = WebRect(clip->point.x, clip->point.y, 261 web_clip = WebRect(clip->point.x, clip->point.y,
260 clip->size.width, clip->size.height); 262 clip->size.width, clip->size.height);
261 } 263 }
262 264
263 font_->drawText(webkit_glue::ToWebCanvas(image_resource->mapped_canvas()), 265 font_->drawText(webkit_glue::ToWebCanvas(image_resource->mapped_canvas()),
264 run, web_position, color, web_clip, image_data_is_opaque); 266 run, web_position, color, web_clip, image_data_is_opaque);
265 return true; 267 return true;
266 } 268 }
267 269
268 int32_t Font::MeasureText(const PP_TextRun_Dev* text) { 270 int32_t PPB_Font_Impl::MeasureText(const PP_TextRun_Dev* text) {
269 WebTextRun run; 271 WebTextRun run;
270 if (!PPTextRunToWebTextRun(text, &run)) 272 if (!PPTextRunToWebTextRun(text, &run))
271 return -1; 273 return -1;
272 return font_->calculateWidth(run); 274 return font_->calculateWidth(run);
273 } 275 }
274 276
275 uint32_t Font::CharacterOffsetForPixel(const PP_TextRun_Dev* text, 277 uint32_t PPB_Font_Impl::CharacterOffsetForPixel(const PP_TextRun_Dev* text,
276 int32_t pixel_position) { 278 int32_t pixel_position) {
277 WebTextRun run; 279 WebTextRun run;
278 if (!PPTextRunToWebTextRun(text, &run)) 280 if (!PPTextRunToWebTextRun(text, &run))
279 return -1; 281 return -1;
280 282
281 return static_cast<uint32_t>(font_->offsetForPosition( 283 return static_cast<uint32_t>(font_->offsetForPosition(
282 run, static_cast<float>(pixel_position))); 284 run, static_cast<float>(pixel_position)));
283 } 285 }
284 286
285 int32_t Font::PixelOffsetForCharacter(const PP_TextRun_Dev* text, 287 int32_t PPB_Font_Impl::PixelOffsetForCharacter(const PP_TextRun_Dev* text,
286 uint32_t char_offset) { 288 uint32_t char_offset) {
287 WebTextRun run; 289 WebTextRun run;
288 if (!PPTextRunToWebTextRun(text, &run)) 290 if (!PPTextRunToWebTextRun(text, &run))
289 return -1; 291 return -1;
290 if (char_offset >= run.text.length()) 292 if (char_offset >= run.text.length())
291 return -1; 293 return -1;
292 294
293 WebFloatRect rect = font_->selectionRectForText( 295 WebFloatRect rect = font_->selectionRectForText(
294 run, WebFloatPoint(0.0f, 0.0f), font_->height(), 0, char_offset); 296 run, WebFloatPoint(0.0f, 0.0f), font_->height(), 0, char_offset);
295 return static_cast<int>(rect.width); 297 return static_cast<int>(rect.width);
296 } 298 }
297 299
298 } // namespace pepper 300 } // namespace ppapi
301 } // namespace webkit
302
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