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 // From ppb_graphics_2d.idl modified Tue Aug 20 08:13:36 2013. 6 7 #include <string.h> 8 9 #include "ppapi/c/pp_completion_callback.h" 10 #include "ppapi/c/pp_errors.h" 11 #include "ppapi/c/ppb_graphics_2d.h" 12 #include "ppapi/shared_impl/tracked_callback.h" 13 #include "ppapi/thunk/enter.h" 14 #include "ppapi/thunk/ppapi_thunk_export.h" 15 #include "ppapi/thunk/ppb_graphics_2d_api.h" 16 17 namespace ppapi { 18 namespace thunk { 19 20 namespace { 21 22 PP_Resource Create(PP_Instance instance, 23 const struct PP_Size* size, 24 PP_Bool is_always_opaque) { 25 VLOG(4) << "PPB_Graphics2D::Create()"; 26 EnterResourceCreation enter(instance); 27 if (enter.failed()) 28 return 0; 29 return enter.functions()->CreateGraphics2D(instance, size, is_always_opaque); 30 } 31 32 PP_Bool IsGraphics2D(PP_Resource resource) { 33 VLOG(4) << "PPB_Graphics2D::IsGraphics2D()"; 34 EnterResource<PPB_Graphics2D_API> enter(resource, false); 35 return PP_FromBool(enter.succeeded()); 36 } 37 38 PP_Bool Describe(PP_Resource graphics_2d, 39 struct PP_Size* size, 40 PP_Bool* is_always_opaque) { 41 VLOG(4) << "PPB_Graphics2D::Describe()"; 42 EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true); 43 if (enter.failed()) { 44 memset(size, 0, sizeof(*size)); 45 memset(is_always_opaque, 0, sizeof(*is_always_opaque)); 46 return PP_FALSE; 47 } 48 return enter.object()->Describe(size, is_always_opaque); 49 } 50 51 void PaintImageData(PP_Resource graphics_2d, 52 PP_Resource image_data, 53 const struct PP_Point* top_left, 54 const struct PP_Rect* src_rect) { 55 VLOG(4) << "PPB_Graphics2D::PaintImageData()"; 56 EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true); 57 if (enter.failed()) 58 return; 59 enter.object()->PaintImageData(image_data, top_left, src_rect); 60 } 61 62 void Scroll(PP_Resource graphics_2d, 63 const struct PP_Rect* clip_rect, 64 const struct PP_Point* amount) { 65 VLOG(4) << "PPB_Graphics2D::Scroll()"; 66 EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true); 67 if (enter.failed()) 68 return; 69 enter.object()->Scroll(clip_rect, amount); 70 } 71 72 void ReplaceContents(PP_Resource graphics_2d, PP_Resource image_data) { 73 VLOG(4) << "PPB_Graphics2D::ReplaceContents()"; 74 EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true); 75 if (enter.failed()) 76 return; 77 enter.object()->ReplaceContents(image_data); 78 } 79 80 int32_t Flush(PP_Resource graphics_2d, struct PP_CompletionCallback callback) { 81 VLOG(4) << "PPB_Graphics2D::Flush()"; 82 EnterResource<PPB_Graphics2D_API> enter(graphics_2d, callback, true); 83 if (enter.failed()) 84 return enter.retval(); 85 return enter.SetResult(enter.object()->Flush(enter.callback())); 86 } 87 88 PP_Bool SetScale(PP_Resource resource, float scale) { 89 VLOG(4) << "PPB_Graphics2D::SetScale()"; 90 EnterResource<PPB_Graphics2D_API> enter(resource, true); 91 if (enter.failed()) 92 return PP_FALSE; 93 return enter.object()->SetScale(scale); 94 } 95 96 float GetScale(PP_Resource resource) { 97 VLOG(4) << "PPB_Graphics2D::GetScale()"; 98 EnterResource<PPB_Graphics2D_API> enter(resource, true); 99 if (enter.failed()) 100 return 0.0f; 101 return enter.object()->GetScale(); 102 } 103 104 const PPB_Graphics2D_1_0 g_ppb_graphics2d_thunk_1_0 = { 105 &Create, 106 &IsGraphics2D, 107 &Describe, 108 &PaintImageData, 109 &Scroll, 110 &ReplaceContents, 111 &Flush 112 }; 113 114 const PPB_Graphics2D_1_1 g_ppb_graphics2d_thunk_1_1 = { 115 &Create, 116 &IsGraphics2D, 117 &Describe, 118 &PaintImageData, 119 &Scroll, 120 &ReplaceContents, 121 &Flush, 122 &SetScale, 123 &GetScale 124 }; 125 126 } // namespace 127 128 PPAPI_THUNK_EXPORT const PPB_Graphics2D_1_0* GetPPB_Graphics2D_1_0_Thunk() { 129 return &g_ppb_graphics2d_thunk_1_0; 130 } 131 132 PPAPI_THUNK_EXPORT const PPB_Graphics2D_1_1* GetPPB_Graphics2D_1_1_Thunk() { 133 return &g_ppb_graphics2d_thunk_1_1; 134 } 135 136 } // namespace thunk 137 } // namespace ppapi 138