diff options
Diffstat (limited to 'base/gfx/platform_canvas_win.cc')
-rw-r--r-- | base/gfx/platform_canvas_win.cc | 170 |
1 files changed, 85 insertions, 85 deletions
diff --git a/base/gfx/platform_canvas_win.cc b/base/gfx/platform_canvas_win.cc index c8b1fcb..b22a097 100644 --- a/base/gfx/platform_canvas_win.cc +++ b/base/gfx/platform_canvas_win.cc @@ -1,85 +1,85 @@ -// 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 "base/gfx/platform_canvas_win.h"
-
-#include "base/gfx/bitmap_platform_device_win.h"
-#include "base/logging.h"
-
-#ifdef ARCH_CPU_64_BITS
-#error This code does not work on x64. Please make sure all the base unit tests\
- pass before doing any real work.
-#endif
-
-namespace gfx {
-
-PlatformCanvasWin::PlatformCanvasWin() : SkCanvas() {
-}
-
-PlatformCanvasWin::PlatformCanvasWin(int width, int height, bool is_opaque)
- : SkCanvas() {
- initialize(width, height, is_opaque, NULL);
-}
-
-PlatformCanvasWin::PlatformCanvasWin(int width,
- int height,
- bool is_opaque,
- HANDLE shared_section)
- : SkCanvas() {
- initialize(width, height, is_opaque, shared_section);
-}
-
-PlatformCanvasWin::~PlatformCanvasWin() {
-}
-
-void PlatformCanvasWin::initialize(int width,
- int height,
- bool is_opaque,
- HANDLE shared_section) {
- SkDevice* device =
- createPlatformDevice(width, height, is_opaque, shared_section);
- setDevice(device);
- device->unref(); // was created with refcount 1, and setDevice also refs
-}
-
-HDC PlatformCanvasWin::beginPlatformPaint() {
- return getTopPlatformDevice().getBitmapDC();
-}
-
-void PlatformCanvasWin::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) {
- DCHECK(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&) {
- NOTREACHED();
- return NULL;
-}
-
-} // namespace gfx
+// 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 "base/gfx/platform_canvas_win.h" + +#include "base/gfx/bitmap_platform_device_win.h" +#include "base/logging.h" + +#ifdef ARCH_CPU_64_BITS +#error This code does not work on x64. Please make sure all the base unit tests\ + pass before doing any real work. +#endif + +namespace gfx { + +PlatformCanvasWin::PlatformCanvasWin() : SkCanvas() { +} + +PlatformCanvasWin::PlatformCanvasWin(int width, int height, bool is_opaque) + : SkCanvas() { + initialize(width, height, is_opaque, NULL); +} + +PlatformCanvasWin::PlatformCanvasWin(int width, + int height, + bool is_opaque, + HANDLE shared_section) + : SkCanvas() { + initialize(width, height, is_opaque, shared_section); +} + +PlatformCanvasWin::~PlatformCanvasWin() { +} + +void PlatformCanvasWin::initialize(int width, + int height, + bool is_opaque, + HANDLE shared_section) { + SkDevice* device = + createPlatformDevice(width, height, is_opaque, shared_section); + setDevice(device); + device->unref(); // was created with refcount 1, and setDevice also refs +} + +HDC PlatformCanvasWin::beginPlatformPaint() { + return getTopPlatformDevice().getBitmapDC(); +} + +void PlatformCanvasWin::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) { + DCHECK(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&) { + NOTREACHED(); + return NULL; +} + +} // namespace gfx |