diff options
Diffstat (limited to 'skia/ext/platform_canvas_mac.cc')
-rw-r--r-- | skia/ext/platform_canvas_mac.cc | 104 |
1 files changed, 27 insertions, 77 deletions
diff --git a/skia/ext/platform_canvas_mac.cc b/skia/ext/platform_canvas_mac.cc index ba1549d..4e42bb1 100644 --- a/skia/ext/platform_canvas_mac.cc +++ b/skia/ext/platform_canvas_mac.cc @@ -2,118 +2,68 @@ // 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/platform_canvas.h" #include "skia/ext/bitmap_platform_device_mac.h" #include "third_party/skia/include/core/SkTypes.h" namespace skia { -PlatformCanvasMac::PlatformCanvasMac() : SkCanvas() { +PlatformCanvas::PlatformCanvas() : SkCanvas() { } -PlatformCanvasMac::PlatformCanvasMac(int width, int height, bool is_opaque) +PlatformCanvas::PlatformCanvas(int width, int height, bool is_opaque) : SkCanvas() { initialize(width, height, is_opaque); } -PlatformCanvasMac::PlatformCanvasMac(int width, - int height, - bool is_opaque, - CGContextRef context) +PlatformCanvas::PlatformCanvas(int width, + int height, + bool is_opaque, + CGContextRef context) : SkCanvas() { initialize(width, height, is_opaque); } -PlatformCanvasMac::PlatformCanvasMac(int width, - int height, - bool is_opaque, - uint8_t* data) +PlatformCanvas::PlatformCanvas(int width, + int height, + bool is_opaque, + uint8_t* data) : SkCanvas() { initialize(width, height, is_opaque, data); } -PlatformCanvasMac::~PlatformCanvasMac() { +PlatformCanvas::~PlatformCanvas() { } -bool PlatformCanvasMac::initialize(int width, - int height, - bool is_opaque) { - SkDevice* device = createPlatformDevice(width, height, is_opaque, NULL); +bool PlatformCanvas::initialize(int width, + int height, + bool is_opaque, + uint8_t* data) { + SkDevice* device = BitmapPlatformDevice::Create(NULL, width, height, + is_opaque); if (!device) return false; setDevice(device); - device->unref(); // was created with refcount 1, and setDevice also refs + device->unref(); // Was created with refcount 1, and setDevice also refs. return true; } -bool PlatformCanvasMac::initialize(int width, - int height, - bool is_opaque, - uint8_t* data) { - CGContextRef context = NULL; - CGColorSpaceRef colorSpace; - - colorSpace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB); - context = CGBitmapContextCreate( - data, width, height, 8 /* bits per plane */, 4 * width /* stride */, - colorSpace, kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host); - CGColorSpaceRelease(colorSpace); - if (!context) - return false; - // Change the coordinate system to match WebCore's - CGContextTranslateCTM(context, 0, height); - CGContextScaleCTM(context, 1.0, -1.0); - - SkDevice* device = createPlatformDevice(width, height, is_opaque, context); - if (!device) - return false; - - setDevice(device); - device->unref(); // was created with refcount 1, and setDevice also refs - return true; -} - -CGContextRef PlatformCanvasMac::beginPlatformPaint() { +CGContextRef PlatformCanvas::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()); +void PlatformCanvas::endPlatformPaint() { + // Flushing will be done in onAccessBitmap. } -SkDevice* PlatformCanvasMac::createDevice(SkBitmap::Config config, - int width, - int height, - bool is_opaque, bool isForLayer) { +SkDevice* PlatformCanvas::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; -} - -// static -size_t PlatformCanvasMac::StrideForWidth(unsigned width) { - return 4 * width; + return BitmapPlatformDevice::Create(NULL, width, height, is_opaque); } } // namespace skia |