diff options
Diffstat (limited to 'skia/ext/platform_canvas_win.cc')
-rw-r--r-- | skia/ext/platform_canvas_win.cc | 70 |
1 files changed, 21 insertions, 49 deletions
diff --git a/skia/ext/platform_canvas_win.cc b/skia/ext/platform_canvas_win.cc index fe0f852..d81b4f9 100644 --- a/skia/ext/platform_canvas_win.cc +++ b/skia/ext/platform_canvas_win.cc @@ -5,9 +5,8 @@ #include <windows.h> #include <psapi.h> -#include "skia/ext/platform_canvas_win.h" - #include "skia/ext/bitmap_platform_device_win.h" +#include "skia/ext/platform_canvas.h" namespace skia { @@ -54,20 +53,20 @@ __declspec(noinline) void CrashIfInvalidSection(HANDLE shared_section) { CHECK(::GetHandleInformation(shared_section, &handle_info) == TRUE); } -PlatformCanvasWin::PlatformCanvasWin() : SkCanvas() { +PlatformCanvas::PlatformCanvas() : SkCanvas() { } -PlatformCanvasWin::PlatformCanvasWin(int width, int height, bool is_opaque) +PlatformCanvas::PlatformCanvas(int width, int height, bool is_opaque) : SkCanvas() { bool initialized = initialize(width, height, is_opaque, NULL); if (!initialized) CrashForBitmapAllocationFailure(width, height); } -PlatformCanvasWin::PlatformCanvasWin(int width, - int height, - bool is_opaque, - HANDLE shared_section) +PlatformCanvas::PlatformCanvas(int width, + int height, + bool is_opaque, + HANDLE shared_section) : SkCanvas() { bool initialized = initialize(width, height, is_opaque, shared_section); if (!initialized) { @@ -76,15 +75,15 @@ PlatformCanvasWin::PlatformCanvasWin(int width, } } -PlatformCanvasWin::~PlatformCanvasWin() { +PlatformCanvas::~PlatformCanvas() { } -bool PlatformCanvasWin::initialize(int width, - int height, - bool is_opaque, - HANDLE shared_section) { - SkDevice* device = - createPlatformDevice(width, height, is_opaque, shared_section); +bool PlatformCanvas::initialize(int width, + int height, + bool is_opaque, + HANDLE shared_section) { + SkDevice* device = BitmapPlatformDevice::create(width, height, + is_opaque, shared_section); if (!device) return false; @@ -93,48 +92,21 @@ bool PlatformCanvasWin::initialize(int width, return true; } -HDC PlatformCanvasWin::beginPlatformPaint() { +HDC PlatformCanvas::beginPlatformPaint() { return getTopPlatformDevice().getBitmapDC(); } -void PlatformCanvasWin::endPlatformPaint() { +void PlatformCanvas::endPlatformPaint() { // we don't clear the DC here since it will be likely to be used again // flushing will be done in onAccessBitmap } -PlatformDeviceWin& PlatformCanvasWin::getTopPlatformDevice() const { - // All of our devices should be our special PlatformDevice. - SkCanvas::LayerIter iter(const_cast<PlatformCanvasWin*>(this), false); - return *static_cast<PlatformDeviceWin*>(iter.device()); -} - -SkDevice* PlatformCanvasWin::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* PlatformCanvasWin::createPlatformDevice(int width, - int height, - bool is_opaque, - HANDLE shared_section) { - HDC screen_dc = GetDC(NULL); - SkDevice* device = BitmapPlatformDeviceWin::create(screen_dc, width, height, - is_opaque, shared_section); - ReleaseDC(NULL, screen_dc); - return device; -} - -SkDevice* PlatformCanvasWin::setBitmapDevice(const SkBitmap&) { - SkASSERT(false); // Should not be called. - return NULL; -} - -// static -size_t PlatformCanvasWin::StrideForWidth(unsigned width) { - return 4 * width; + return BitmapPlatformDevice::create(width, height, is_opaque, NULL); } } // namespace skia |