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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/c/pp_completion_callback.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/c/ppb_graphics_2d.h"
#include "ppapi/thunk/enter.h"
#include "ppapi/thunk/ppb_graphics_2d_api.h"
#include "ppapi/thunk/resource_creation_api.h"
namespace ppapi {
namespace thunk {
namespace {
PP_Resource Create(PP_Instance instance,
const PP_Size* size,
PP_Bool is_always_opaque) {
EnterFunction<ResourceCreationAPI> enter(instance, true);
if (enter.failed())
return 0;
return enter.functions()->CreateGraphics2D(instance, *size, is_always_opaque);
}
PP_Bool IsGraphics2D(PP_Resource resource) {
EnterResource<PPB_Graphics2D_API> enter(resource, false);
return enter.succeeded() ? PP_TRUE : PP_FALSE;
}
PP_Bool Describe(PP_Resource graphics_2d,
PP_Size* size,
PP_Bool* is_always_opaque) {
EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true);
if (enter.failed()) {
size->width = 0;
size->height = 0;
*is_always_opaque = PP_FALSE;
return PP_FALSE;
}
return enter.object()->Describe(size, is_always_opaque);
}
void PaintImageData(PP_Resource graphics_2d,
PP_Resource image_data,
const PP_Point* top_left,
const PP_Rect* src_rect) {
EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true);
if (enter.failed())
return;
enter.object()->PaintImageData(image_data, top_left, src_rect);
}
void Scroll(PP_Resource graphics_2d,
const PP_Rect* clip_rect,
const PP_Point* amount) {
EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true);
if (enter.failed())
return;
enter.object()->Scroll(clip_rect, amount);
}
void ReplaceContents(PP_Resource graphics_2d, PP_Resource image_data) {
EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true);
if (enter.failed())
return;
enter.object()->ReplaceContents(image_data);
}
int32_t Flush(PP_Resource graphics_2d,
PP_CompletionCallback callback) {
EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true);
if (enter.failed())
return PP_ERROR_BADRESOURCE;
return enter.object()->Flush(callback);
}
const PPB_Graphics2D g_ppb_graphics_2d_thunk = {
&Create,
&IsGraphics2D,
&Describe,
&PaintImageData,
&Scroll,
&ReplaceContents,
&Flush
};
} // namespace
const PPB_Graphics2D* GetPPB_Graphics2D_Thunk() {
return &g_ppb_graphics_2d_thunk;
}
} // namespace thunk
} // namespace ppapi
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