| // 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_mac.h" |
| |
| #include "skia/ext/bitmap_platform_device_mac.h" |
| #include "SkTypes.h" |
| |
| namespace skia { |
| |
| PlatformCanvasMac::PlatformCanvasMac() : SkCanvas() { |
| } |
| |
| PlatformCanvasMac::PlatformCanvasMac(int width, int height, bool is_opaque) |
| : SkCanvas() { |
| initialize(width, height, is_opaque); |
| } |
| |
| PlatformCanvasMac::PlatformCanvasMac(int width, |
| int height, |
| bool is_opaque, |
| CGContextRef context) |
| : SkCanvas() { |
| initialize(width, height, is_opaque); |
| } |
| |
| PlatformCanvasMac::~PlatformCanvasMac() { |
| } |
| |
| bool PlatformCanvasMac::initialize(int width, |
| int height, |
| bool is_opaque) { |
| SkDevice* device = createPlatformDevice(width, height, is_opaque, NULL); |
| if (!device) |
| return false; |
| |
| setDevice(device); |
| device->unref(); // was created with refcount 1, and setDevice also refs |
| return true; |
| } |
| |
| CGContextRef PlatformCanvasMac::beginPlatformPaint() { |
| return getTopPlatformDevice().GetBitmapContext(); |
| } |
| |
| void PlatformCanvasMac::endPlatformPaint() { |
| // flushing will be done in onAccessBitmap |
| } |
| |
| PlatformDeviceMac& PlatformCanvasMac::getTopPlatformDevice() const { |
| // All of our devices should be our special PlatformDeviceMac. |
| SkCanvas::LayerIter iter(const_cast<PlatformCanvasMac*>(this), false); |
| return *static_cast<PlatformDeviceMac*>(iter.device()); |
| } |
| |
| SkDevice* PlatformCanvasMac::createDevice(SkBitmap::Config config, |
| int width, |
| int height, |
| bool is_opaque, bool isForLayer) { |
| SkASSERT(config == SkBitmap::kARGB_8888_Config); |
| return createPlatformDevice(width, height, is_opaque, NULL); |
| } |
| |
| SkDevice* PlatformCanvasMac::createPlatformDevice(int width, |
| int height, |
| bool is_opaque, |
| CGContextRef context) { |
| SkDevice* device = BitmapPlatformDeviceMac::Create(context, width, height, |
| is_opaque); |
| return device; |
| } |
| |
| SkDevice* PlatformCanvasMac::setBitmapDevice(const SkBitmap&) { |
| SkASSERT(false); |
| return NULL; |
| } |
| |
| } // namespace skia |
| |