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// Copyright (c) 2006-2008 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 "skia/ext/platform_canvas.h"
#include "skia/ext/bitmap_platform_device_mac.h"
#include "third_party/skia/include/core/SkTypes.h"
namespace skia {
PlatformCanvas::PlatformCanvas() : SkCanvas() {
}
PlatformCanvas::PlatformCanvas(int width, int height, bool is_opaque)
: SkCanvas() {
initialize(width, height, is_opaque);
}
PlatformCanvas::PlatformCanvas(int width,
int height,
bool is_opaque,
CGContextRef context)
: SkCanvas() {
initialize(width, height, is_opaque);
}
PlatformCanvas::PlatformCanvas(int width,
int height,
bool is_opaque,
uint8_t* data)
: SkCanvas() {
initialize(width, height, is_opaque, data);
}
PlatformCanvas::~PlatformCanvas() {
}
bool PlatformCanvas::initialize(int width,
int height,
bool is_opaque,
uint8_t* data) {
SkDevice* device = BitmapPlatformDevice::CreateWithData(data, width, height,
is_opaque);
if (!device)
return false;
setDevice(device);
device->unref(); // Was created with refcount 1, and setDevice also refs.
return true;
}
CGContextRef PlatformCanvas::beginPlatformPaint() {
return getTopPlatformDevice().GetBitmapContext();
}
void PlatformCanvas::endPlatformPaint() {
// Flushing will be done in onAccessBitmap.
}
SkDevice* PlatformCanvas::createDevice(SkBitmap::Config config,
int width,
int height,
bool is_opaque, bool isForLayer) {
SkASSERT(config == SkBitmap::kARGB_8888_Config);
return BitmapPlatformDevice::CreateWithContext(NULL, width, height,
is_opaque);
}
} // namespace skia
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