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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ppapi/thunk/thunk.h" | |
| 6 #include "ppapi/thunk/enter.h" | |
| 7 #include "ppapi/thunk/ppb_font_api.h" | |
| 8 #include "ppapi/thunk/resource_creation_api.h" | |
| 9 | |
| 10 namespace ppapi { | |
| 11 namespace thunk { | |
| 12 | |
| 13 namespace { | |
| 14 | |
| 15 PP_Var GetFontFamilies(PP_Instance instance) { | |
| 16 EnterFunction<PPB_Font_FunctionAPI> enter(instance, true); | |
| 17 if (enter.failed()) | |
| 18 return PP_MakeUndefined(); | |
| 19 return enter.functions()->GetFontFamilies(instance); | |
| 20 } | |
| 21 | |
| 22 PP_Resource Create(PP_Instance instance, | |
| 23 const PP_FontDescription_Dev* description) { | |
| 24 EnterFunction<ResourceCreationAPI> enter(instance, true); | |
| 25 if (enter.failed()) | |
| 26 return 0; | |
| 27 return enter.functions()->CreateFontObject(instance, description); | |
| 28 } | |
| 29 | |
| 30 PP_Bool IsFont(PP_Resource resource) { | |
| 31 EnterResource<PPB_Font_API> enter(resource, false); | |
| 32 return enter.succeeded() ? PP_TRUE : PP_FALSE; | |
| 33 } | |
| 34 | |
| 35 PP_Bool Describe(PP_Resource font_id, | |
| 36 PP_FontDescription_Dev* description, | |
| 37 PP_FontMetrics_Dev* metrics) { | |
| 38 EnterResource<PPB_Font_API> enter(font_id, true); | |
| 39 if (enter.failed()) | |
| 40 return PP_FALSE; | |
| 41 return enter.object()->Describe(description, metrics); | |
| 42 } | |
| 43 | |
| 44 PP_Bool DrawTextAt(PP_Resource font_id, | |
| 45 PP_Resource image_data, | |
| 46 const PP_TextRun_Dev* text, | |
| 47 const PP_Point* position, | |
| 48 uint32_t color, | |
| 49 const PP_Rect* clip, | |
| 50 PP_Bool image_data_is_opaque) { | |
| 51 EnterResource<PPB_Font_API> enter(font_id, true); | |
| 52 if (enter.failed()) | |
| 53 return PP_FALSE; | |
| 54 return enter.object()->DrawTextAt(image_data, text, position, color, clip, | |
| 55 image_data_is_opaque); | |
| 56 } | |
| 57 | |
| 58 int32_t MeasureText(PP_Resource font_id, const PP_TextRun_Dev* text) { | |
| 59 EnterResource<PPB_Font_API> enter(font_id, true); | |
| 60 if (enter.failed()) | |
| 61 return -1; | |
| 62 return enter.object()->MeasureText(text); | |
| 63 } | |
| 64 | |
| 65 uint32_t CharacterOffsetForPixel(PP_Resource font_id, | |
| 66 const PP_TextRun_Dev* text, | |
| 67 int32_t pixel_position) { | |
| 68 EnterResource<PPB_Font_API> enter(font_id, true); | |
| 69 if (enter.failed()) | |
| 70 return -1; | |
| 71 return enter.object()->CharacterOffsetForPixel(text, pixel_position); | |
| 72 } | |
| 73 | |
| 74 int32_t PixelOffsetForCharacter(PP_Resource font_id, | |
| 75 const PP_TextRun_Dev* text, | |
| 76 uint32_t char_offset) { | |
| 77 EnterResource<PPB_Font_API> enter(font_id, true); | |
| 78 if (enter.failed()) | |
| 79 return -1; | |
| 80 return enter.object()->PixelOffsetForCharacter(text, char_offset); | |
| 81 } | |
| 82 | |
| 83 const PPB_Font_Dev g_ppb_font_thunk = { | |
| 84 &GetFontFamilies, | |
| 85 &Create, | |
| 86 &IsFont, | |
| 87 &Describe, | |
| 88 &DrawTextAt, | |
| 89 &MeasureText, | |
| 90 &CharacterOffsetForPixel, | |
| 91 &PixelOffsetForCharacter | |
| 92 }; | |
| 93 | |
| 94 } // namespace | |
| 95 | |
| 96 const PPB_Font_Dev_0_6* GetPPB_Font_Dev_0_6_Thunk() { | |
| 97 return &g_ppb_font_thunk; | |
| 98 } | |
| 99 | |
| 100 } // namespace thunk | |
| 101 } // namespace ppapi | |
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Chromium Code Reviews
Issue 9360045:
Rename PPB_Font to PPB_BrowserFont_Trusted. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src