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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "ppapi/cpp/trusted/browser_font_trusted.h" | 5 #include "ppapi/cpp/trusted/browser_font_trusted.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "ppapi/c/dev/ppb_font_dev.h" | |
10 #include "ppapi/cpp/image_data.h" | 9 #include "ppapi/cpp/image_data.h" |
11 #include "ppapi/cpp/instance_handle.h" | 10 #include "ppapi/cpp/instance_handle.h" |
12 #include "ppapi/cpp/point.h" | 11 #include "ppapi/cpp/point.h" |
13 #include "ppapi/cpp/rect.h" | 12 #include "ppapi/cpp/rect.h" |
14 #include "ppapi/cpp/module_impl.h" | 13 #include "ppapi/cpp/module_impl.h" |
15 | 14 |
16 namespace pp { | 15 namespace pp { |
17 | 16 |
18 namespace { | 17 namespace { |
19 | 18 |
20 template <> const char* interface_name<PPB_BrowserFont_Trusted_1_0>() { | 19 template <> const char* interface_name<PPB_BrowserFont_Trusted_1_0>() { |
21 return PPB_BROWSERFONT_TRUSTED_INTERFACE_1_0; | 20 return PPB_BROWSERFONT_TRUSTED_INTERFACE_1_0; |
22 } | 21 } |
23 template <> const char* interface_name<PPB_Font_Dev_0_6>() { | |
24 return PPB_FONT_DEV_INTERFACE_0_6; | |
25 } | |
26 | |
27 // This class provides backwards compat for PPB_Font, which is binary | |
28 // compatible with the BrowserFont interface. | |
29 // TODO(brettw) remove PPB_Font altogether when Flash is updated. | |
30 const PP_FontDescription_Dev* BrowserFontDescToFontDesc( | |
31 const PP_BrowserFont_Trusted_Description* desc) { | |
32 return reinterpret_cast<const PP_FontDescription_Dev*>(desc); | |
33 } | |
34 PP_FontDescription_Dev* BrowserFontDescToFontDesc( | |
35 PP_BrowserFont_Trusted_Description* desc) { | |
36 return reinterpret_cast<PP_FontDescription_Dev*>(desc); | |
37 } | |
38 PP_FontMetrics_Dev* BrowserFontMetricsToFontMetrics( | |
39 PP_BrowserFont_Trusted_Metrics* metrics) { | |
40 return reinterpret_cast<PP_FontMetrics_Dev*>(metrics); | |
41 } | |
42 const PP_TextRun_Dev* BrowserFontTextRunToFontTextRun( | |
43 const PP_BrowserFont_Trusted_TextRun* run) { | |
44 return reinterpret_cast<const PP_TextRun_Dev*>(run); | |
45 } | |
46 | 22 |
47 } // namespace | 23 } // namespace |
48 | 24 |
49 // BrowserFontDescription ------------------------------------------------------ | 25 // BrowserFontDescription ------------------------------------------------------ |
50 | 26 |
51 BrowserFontDescription::BrowserFontDescription() { | 27 BrowserFontDescription::BrowserFontDescription() { |
52 pp_font_description_.face = face_.pp_var(); | 28 pp_font_description_.face = face_.pp_var(); |
53 set_family(PP_BROWSERFONT_TRUSTED_FAMILY_DEFAULT); | 29 set_family(PP_BROWSERFONT_TRUSTED_FAMILY_DEFAULT); |
54 set_size(0); | 30 set_size(0); |
55 set_weight(PP_BROWSERFONT_TRUSTED_WEIGHT_NORMAL); | 31 set_weight(PP_BROWSERFONT_TRUSTED_WEIGHT_NORMAL); |
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130 : Resource(resource) { | 106 : Resource(resource) { |
131 } | 107 } |
132 | 108 |
133 BrowserFont_Trusted::BrowserFont_Trusted( | 109 BrowserFont_Trusted::BrowserFont_Trusted( |
134 const InstanceHandle& instance, | 110 const InstanceHandle& instance, |
135 const BrowserFontDescription& description) { | 111 const BrowserFontDescription& description) { |
136 if (has_interface<PPB_BrowserFont_Trusted_1_0>()) { | 112 if (has_interface<PPB_BrowserFont_Trusted_1_0>()) { |
137 PassRefFromConstructor(get_interface<PPB_BrowserFont_Trusted_1_0>()->Create( | 113 PassRefFromConstructor(get_interface<PPB_BrowserFont_Trusted_1_0>()->Create( |
138 instance.pp_instance(), | 114 instance.pp_instance(), |
139 &description.pp_font_description())); | 115 &description.pp_font_description())); |
140 } else if (!has_interface<PPB_Font_Dev_0_6>()) { | |
141 PassRefFromConstructor(get_interface<PPB_Font_Dev_0_6>()->Create( | |
142 instance.pp_instance(), | |
143 BrowserFontDescToFontDesc(&description.pp_font_description()))); | |
144 } | 116 } |
145 } | 117 } |
146 | 118 |
147 BrowserFont_Trusted::BrowserFont_Trusted(const BrowserFont_Trusted& other) | 119 BrowserFont_Trusted::BrowserFont_Trusted(const BrowserFont_Trusted& other) |
148 : Resource(other) { | 120 : Resource(other) { |
149 } | 121 } |
150 | 122 |
151 BrowserFont_Trusted& BrowserFont_Trusted::operator=( | 123 BrowserFont_Trusted& BrowserFont_Trusted::operator=( |
152 const BrowserFont_Trusted& other) { | 124 const BrowserFont_Trusted& other) { |
153 Resource::operator=(other); | 125 Resource::operator=(other); |
154 return *this; | 126 return *this; |
155 } | 127 } |
156 | 128 |
157 // static | 129 // static |
158 Var BrowserFont_Trusted::GetFontFamilies(const InstanceHandle& instance) { | 130 Var BrowserFont_Trusted::GetFontFamilies(const InstanceHandle& instance) { |
159 if (!has_interface<PPB_Font_Dev_0_6>()) | 131 if (!has_interface<PPB_BrowserFont_Trusted_1_0>()) |
160 return Var(); | 132 return Var(); |
| 133 |
161 return Var(PASS_REF, | 134 return Var(PASS_REF, |
162 get_interface<PPB_Font_Dev_0_6>()->GetFontFamilies( | 135 get_interface<PPB_BrowserFont_Trusted_1_0>()->GetFontFamilies( |
163 instance.pp_instance())); | 136 instance.pp_instance())); |
164 } | 137 } |
165 | 138 |
166 bool BrowserFont_Trusted::Describe( | 139 bool BrowserFont_Trusted::Describe( |
167 BrowserFontDescription* description, | 140 BrowserFontDescription* description, |
168 PP_BrowserFont_Trusted_Metrics* metrics) const { | 141 PP_BrowserFont_Trusted_Metrics* metrics) const { |
169 // Be careful with ownership of the |face| string. It will come back with | 142 // Be careful with ownership of the |face| string. It will come back with |
170 // a ref of 1, which we want to assign to the |face_| member of the C++ class. | 143 // a ref of 1, which we want to assign to the |face_| member of the C++ class. |
171 if (has_interface<PPB_BrowserFont_Trusted_1_0>()) { | 144 if (has_interface<PPB_BrowserFont_Trusted_1_0>()) { |
172 if (!get_interface<PPB_BrowserFont_Trusted_1_0>()->Describe( | 145 if (!get_interface<PPB_BrowserFont_Trusted_1_0>()->Describe( |
173 pp_resource(), &description->pp_font_description_, metrics)) | 146 pp_resource(), &description->pp_font_description_, metrics)) |
174 return false; | 147 return false; |
175 } else if (!has_interface<PPB_Font_Dev_0_6>()) { | |
176 if (!get_interface<PPB_Font_Dev_0_6>()->Describe( | |
177 pp_resource(), | |
178 BrowserFontDescToFontDesc(&description->pp_font_description_), | |
179 BrowserFontMetricsToFontMetrics(metrics))) | |
180 return false; | |
181 } | 148 } |
182 description->face_ = Var(PASS_REF, | 149 description->face_ = Var(PASS_REF, |
183 description->pp_font_description_.face); | 150 description->pp_font_description_.face); |
184 return true; | 151 return true; |
185 } | 152 } |
186 | 153 |
187 bool BrowserFont_Trusted::DrawTextAt(ImageData* dest, | 154 bool BrowserFont_Trusted::DrawTextAt(ImageData* dest, |
188 const BrowserFontTextRun& text, | 155 const BrowserFontTextRun& text, |
189 const Point& position, | 156 const Point& position, |
190 uint32_t color, | 157 uint32_t color, |
191 const Rect& clip, | 158 const Rect& clip, |
192 bool image_data_is_opaque) const { | 159 bool image_data_is_opaque) const { |
193 if (has_interface<PPB_BrowserFont_Trusted_1_0>()) { | 160 if (has_interface<PPB_BrowserFont_Trusted_1_0>()) { |
194 return PP_ToBool(get_interface<PPB_BrowserFont_Trusted_1_0>()->DrawTextAt( | 161 return PP_ToBool(get_interface<PPB_BrowserFont_Trusted_1_0>()->DrawTextAt( |
195 pp_resource(), | 162 pp_resource(), |
196 dest->pp_resource(), | 163 dest->pp_resource(), |
197 &text.pp_text_run(), | 164 &text.pp_text_run(), |
198 &position.pp_point(), | 165 &position.pp_point(), |
199 color, | 166 color, |
200 &clip.pp_rect(), | 167 &clip.pp_rect(), |
201 PP_FromBool(image_data_is_opaque))); | 168 PP_FromBool(image_data_is_opaque))); |
202 } else if (!has_interface<PPB_Font_Dev_0_6>()) { | |
203 return PP_ToBool(get_interface<PPB_Font_Dev_0_6>()->DrawTextAt( | |
204 pp_resource(), | |
205 dest->pp_resource(), | |
206 BrowserFontTextRunToFontTextRun(&text.pp_text_run()), | |
207 &position.pp_point(), | |
208 color, | |
209 &clip.pp_rect(), | |
210 PP_FromBool(image_data_is_opaque))); | |
211 } | 169 } |
212 return false; | 170 return false; |
213 } | 171 } |
214 | 172 |
215 int32_t BrowserFont_Trusted::MeasureText(const BrowserFontTextRun& text) const { | 173 int32_t BrowserFont_Trusted::MeasureText(const BrowserFontTextRun& text) const { |
216 if (has_interface<PPB_BrowserFont_Trusted_1_0>()) { | 174 if (has_interface<PPB_BrowserFont_Trusted_1_0>()) { |
217 return get_interface<PPB_BrowserFont_Trusted_1_0>()->MeasureText( | 175 return get_interface<PPB_BrowserFont_Trusted_1_0>()->MeasureText( |
218 pp_resource(), | 176 pp_resource(), |
219 &text.pp_text_run()); | 177 &text.pp_text_run()); |
220 } else if (!has_interface<PPB_Font_Dev_0_6>()) { | |
221 return get_interface<PPB_Font_Dev_0_6>()->MeasureText( | |
222 pp_resource(), | |
223 BrowserFontTextRunToFontTextRun(&text.pp_text_run())); | |
224 } | 178 } |
225 return -1; | 179 return -1; |
226 } | 180 } |
227 | 181 |
228 uint32_t BrowserFont_Trusted::CharacterOffsetForPixel( | 182 uint32_t BrowserFont_Trusted::CharacterOffsetForPixel( |
229 const BrowserFontTextRun& text, | 183 const BrowserFontTextRun& text, |
230 int32_t pixel_position) const { | 184 int32_t pixel_position) const { |
231 if (has_interface<PPB_BrowserFont_Trusted_1_0>()) { | 185 if (has_interface<PPB_BrowserFont_Trusted_1_0>()) { |
232 return get_interface<PPB_BrowserFont_Trusted_1_0>()-> | 186 return get_interface<PPB_BrowserFont_Trusted_1_0>()-> |
233 CharacterOffsetForPixel( | 187 CharacterOffsetForPixel( |
234 pp_resource(), | 188 pp_resource(), |
235 &text.pp_text_run(), | 189 &text.pp_text_run(), |
236 pixel_position); | 190 pixel_position); |
237 } else if (!has_interface<PPB_Font_Dev_0_6>()) { | |
238 return get_interface<PPB_Font_Dev_0_6>()->CharacterOffsetForPixel( | |
239 pp_resource(), | |
240 BrowserFontTextRunToFontTextRun(&text.pp_text_run()), | |
241 pixel_position); | |
242 } | 191 } |
243 return 0; | 192 return 0; |
244 } | 193 } |
245 | 194 |
246 int32_t BrowserFont_Trusted::PixelOffsetForCharacter( | 195 int32_t BrowserFont_Trusted::PixelOffsetForCharacter( |
247 const BrowserFontTextRun& text, | 196 const BrowserFontTextRun& text, |
248 uint32_t char_offset) const { | 197 uint32_t char_offset) const { |
249 if (has_interface<PPB_BrowserFont_Trusted_1_0>()) { | 198 if (has_interface<PPB_BrowserFont_Trusted_1_0>()) { |
250 return get_interface<PPB_BrowserFont_Trusted_1_0>()-> | 199 return get_interface<PPB_BrowserFont_Trusted_1_0>()-> |
251 PixelOffsetForCharacter( | 200 PixelOffsetForCharacter( |
252 pp_resource(), | 201 pp_resource(), |
253 &text.pp_text_run(), | 202 &text.pp_text_run(), |
254 char_offset); | 203 char_offset); |
255 } else if (!has_interface<PPB_Font_Dev_0_6>()) { | |
256 return get_interface<PPB_Font_Dev_0_6>()->PixelOffsetForCharacter( | |
257 pp_resource(), | |
258 BrowserFontTextRunToFontTextRun(&text.pp_text_run()), | |
259 char_offset); | |
260 } | 204 } |
261 return 0; | 205 return 0; |
262 } | 206 } |
263 | 207 |
264 bool BrowserFont_Trusted::DrawSimpleText( | 208 bool BrowserFont_Trusted::DrawSimpleText( |
265 ImageData* dest, | 209 ImageData* dest, |
266 const std::string& text, | 210 const std::string& text, |
267 const Point& position, | 211 const Point& position, |
268 uint32_t color, | 212 uint32_t color, |
269 bool image_data_is_opaque) const { | 213 bool image_data_is_opaque) const { |
270 return DrawTextAt(dest, BrowserFontTextRun(text), position, color, | 214 return DrawTextAt(dest, BrowserFontTextRun(text), position, color, |
271 Rect(dest->size()), image_data_is_opaque); | 215 Rect(dest->size()), image_data_is_opaque); |
272 } | 216 } |
273 | 217 |
274 int32_t BrowserFont_Trusted::MeasureSimpleText(const std::string& text) const { | 218 int32_t BrowserFont_Trusted::MeasureSimpleText(const std::string& text) const { |
275 return MeasureText(BrowserFontTextRun(text)); | 219 return MeasureText(BrowserFontTextRun(text)); |
276 } | 220 } |
277 | 221 |
278 } // namespace pp | 222 } // namespace pp |
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