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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 // From ppb_graphics_2d.idl modified Fri Apr 26 08:49:08 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/ppb_graphics_2d_api.h"
15 #include "ppapi/thunk/ppb_instance_api.h"
16 #include "ppapi/thunk/resource_creation_api.h"
17 #include "ppapi/thunk/thunk.h"
18 
19 namespace ppapi {
20 namespace thunk {
21 
22 namespace {
23 
Create(PP_Instance instance,const struct PP_Size * size,PP_Bool is_always_opaque)24 PP_Resource Create(PP_Instance instance,
25                    const struct PP_Size* size,
26                    PP_Bool is_always_opaque) {
27   VLOG(4) << "PPB_Graphics2D::Create()";
28   EnterResourceCreation enter(instance);
29   if (enter.failed())
30     return 0;
31   return enter.functions()->CreateGraphics2D(instance, size, is_always_opaque);
32 }
33 
IsGraphics2D(PP_Resource resource)34 PP_Bool IsGraphics2D(PP_Resource resource) {
35   VLOG(4) << "PPB_Graphics2D::IsGraphics2D()";
36   EnterResource<PPB_Graphics2D_API> enter(resource, false);
37   return PP_FromBool(enter.succeeded());
38 }
39 
Describe(PP_Resource graphics_2d,struct PP_Size * size,PP_Bool * is_always_opaque)40 PP_Bool Describe(PP_Resource graphics_2d,
41                  struct PP_Size* size,
42                  PP_Bool* is_always_opaque) {
43   VLOG(4) << "PPB_Graphics2D::Describe()";
44   EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true);
45   if (enter.failed()) {
46     memset(size, 0, sizeof(*size));
47     memset(is_always_opaque, 0, sizeof(*is_always_opaque));
48     return PP_FALSE;
49   }
50   return enter.object()->Describe(size, is_always_opaque);
51 }
52 
PaintImageData(PP_Resource graphics_2d,PP_Resource image_data,const struct PP_Point * top_left,const struct PP_Rect * src_rect)53 void PaintImageData(PP_Resource graphics_2d,
54                     PP_Resource image_data,
55                     const struct PP_Point* top_left,
56                     const struct PP_Rect* src_rect) {
57   VLOG(4) << "PPB_Graphics2D::PaintImageData()";
58   EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true);
59   if (enter.failed())
60     return;
61   enter.object()->PaintImageData(image_data, top_left, src_rect);
62 }
63 
Scroll(PP_Resource graphics_2d,const struct PP_Rect * clip_rect,const struct PP_Point * amount)64 void Scroll(PP_Resource graphics_2d,
65             const struct PP_Rect* clip_rect,
66             const struct PP_Point* amount) {
67   VLOG(4) << "PPB_Graphics2D::Scroll()";
68   EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true);
69   if (enter.failed())
70     return;
71   enter.object()->Scroll(clip_rect, amount);
72 }
73 
ReplaceContents(PP_Resource graphics_2d,PP_Resource image_data)74 void ReplaceContents(PP_Resource graphics_2d, PP_Resource image_data) {
75   VLOG(4) << "PPB_Graphics2D::ReplaceContents()";
76   EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true);
77   if (enter.failed())
78     return;
79   enter.object()->ReplaceContents(image_data);
80 }
81 
Flush(PP_Resource graphics_2d,struct PP_CompletionCallback callback)82 int32_t Flush(PP_Resource graphics_2d, struct PP_CompletionCallback callback) {
83   VLOG(4) << "PPB_Graphics2D::Flush()";
84   EnterResource<PPB_Graphics2D_API> enter(graphics_2d, callback, true);
85   if (enter.failed())
86     return enter.retval();
87   return enter.SetResult(enter.object()->Flush(enter.callback()));
88 }
89 
SetScale(PP_Resource resource,float scale)90 PP_Bool SetScale(PP_Resource resource, float scale) {
91   VLOG(4) << "PPB_Graphics2D::SetScale()";
92   EnterResource<PPB_Graphics2D_API> enter(resource, true);
93   if (enter.failed())
94     return PP_FALSE;
95   return enter.object()->SetScale(scale);
96 }
97 
GetScale(PP_Resource resource)98 float GetScale(PP_Resource resource) {
99   VLOG(4) << "PPB_Graphics2D::GetScale()";
100   EnterResource<PPB_Graphics2D_API> enter(resource, true);
101   if (enter.failed())
102     return 0.0f;
103   return enter.object()->GetScale();
104 }
105 
106 const PPB_Graphics2D_1_0 g_ppb_graphics2d_thunk_1_0 = {
107   &Create,
108   &IsGraphics2D,
109   &Describe,
110   &PaintImageData,
111   &Scroll,
112   &ReplaceContents,
113   &Flush
114 };
115 
116 const PPB_Graphics2D_1_1 g_ppb_graphics2d_thunk_1_1 = {
117   &Create,
118   &IsGraphics2D,
119   &Describe,
120   &PaintImageData,
121   &Scroll,
122   &ReplaceContents,
123   &Flush,
124   &SetScale,
125   &GetScale
126 };
127 
128 }  // namespace
129 
GetPPB_Graphics2D_1_0_Thunk()130 const PPB_Graphics2D_1_0* GetPPB_Graphics2D_1_0_Thunk() {
131   return &g_ppb_graphics2d_thunk_1_0;
132 }
133 
GetPPB_Graphics2D_1_1_Thunk()134 const PPB_Graphics2D_1_1* GetPPB_Graphics2D_1_1_Thunk() {
135   return &g_ppb_graphics2d_thunk_1_1;
136 }
137 
138 }  // namespace thunk
139 }  // namespace ppapi
140