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// Copyright (c) 2010 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/cpp/graphics_2d.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/c/ppb_graphics_2d.h"
#include "ppapi/cpp/common.h"
#include "ppapi/cpp/completion_callback.h"
#include "ppapi/cpp/image_data.h"
#include "ppapi/cpp/module.h"
#include "ppapi/cpp/module_impl.h"
#include "ppapi/cpp/point.h"
#include "ppapi/cpp/rect.h"
namespace {
DeviceFuncs<PPB_Graphics2D> graphics_2d_f(PPB_GRAPHICS_2D_INTERFACE);
} // namespace
namespace pp {
Graphics2D::Graphics2D() : Resource() {
}
Graphics2D::Graphics2D(const Graphics2D& other)
: Resource(other),
size_(other.size_) {
}
Graphics2D::Graphics2D(const Size& size, bool is_always_opaque)
: Resource() {
if (!graphics_2d_f)
return;
PassRefFromConstructor(graphics_2d_f->Create(Module::Get()->pp_module(),
&size.pp_size(),
BoolToPPBool(is_always_opaque)));
if (!is_null()) {
// Only save the size if allocation succeeded.
size_ = size;
}
}
Graphics2D::~Graphics2D() {
}
Graphics2D& Graphics2D::operator=(const Graphics2D& other) {
Graphics2D copy(other);
swap(copy);
return *this;
}
void Graphics2D::swap(Graphics2D& other) {
Resource::swap(other);
size_.swap(other.size_);
}
void Graphics2D::PaintImageData(const ImageData& image,
const Point& top_left) {
if (!graphics_2d_f)
return;
graphics_2d_f->PaintImageData(pp_resource(), image.pp_resource(),
&top_left.pp_point(), NULL);
}
void Graphics2D::PaintImageData(const ImageData& image,
const Point& top_left,
const Rect& src_rect) {
if (!graphics_2d_f)
return;
graphics_2d_f->PaintImageData(pp_resource(), image.pp_resource(),
&top_left.pp_point(), &src_rect.pp_rect());
}
void Graphics2D::Scroll(const Rect& clip, const Point& amount) {
if (!graphics_2d_f)
return;
graphics_2d_f->Scroll(pp_resource(), &clip.pp_rect(), &amount.pp_point());
}
void Graphics2D::ReplaceContents(ImageData* image) {
if (!graphics_2d_f)
return;
graphics_2d_f->ReplaceContents(pp_resource(), image->pp_resource());
// On success, reset the image data. This is to help prevent people
// from continuing to use the resource which will result in artifacts.
*image = ImageData();
}
int32_t Graphics2D::Flush(const CompletionCallback& cc) {
if (!graphics_2d_f)
return PP_ERROR_NOINTERFACE;
return graphics_2d_f->Flush(pp_resource(), cc.pp_completion_callback());
}
} // namespace pp
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