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Diffstat (limited to 'base/gfx/vector_canvas.cc')
-rw-r--r-- | base/gfx/vector_canvas.cc | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/base/gfx/vector_canvas.cc b/base/gfx/vector_canvas.cc deleted file mode 100644 index 440ee64..0000000 --- a/base/gfx/vector_canvas.cc +++ /dev/null @@ -1,90 +0,0 @@ -// 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/vector_canvas.h" - -#include "base/gfx/vector_device.h" -#include "base/logging.h" - -namespace gfx { - -VectorCanvas::VectorCanvas() { -} - -VectorCanvas::VectorCanvas(HDC dc, int width, int height) { - bool initialized = initialize(dc, width, height); - CHECK(initialized); -} - -VectorCanvas::~VectorCanvas() { -} - -bool VectorCanvas::initialize(HDC context, int width, int height) { - SkDevice* device = createPlatformDevice(width, height, true, context); - if (!device) - return false; - - setDevice(device); - device->unref(); // was created with refcount 1, and setDevice also refs - return true; -} - -SkBounder* VectorCanvas::setBounder(SkBounder* bounder) { - if (!IsTopDeviceVectorial()) - return PlatformCanvasWin::setBounder(bounder); - - // This function isn't used in the code. Verify this assumption. - NOTREACHED(); - return NULL; -} - -SkDevice* VectorCanvas::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); -} - -SkDrawFilter* VectorCanvas::setDrawFilter(SkDrawFilter* filter) { - // This function isn't used in the code. Verify this assumption. - NOTREACHED(); - return NULL; -} - -SkDevice* VectorCanvas::createPlatformDevice(int width, - int height, bool is_opaque, - HANDLE shared_section) { - if (!is_opaque) { - // TODO(maruel): http://b/1184002 1184002 When restoring a semi-transparent - // layer, i.e. merging it, we need to rasterize it because GDI doesn't - // support transparency except for AlphaBlend(). Right now, a - // BitmapPlatformDeviceWin is created when VectorCanvas think a saveLayers() - // call is being done. The way to save a layer would be to create an - // EMF-based VectorDevice and have this device registers the drawing. When - // playing back the device into a bitmap, do it at the printer's dpi instead - // of the layout's dpi (which is much lower). - return PlatformCanvasWin::createPlatformDevice(width, height, is_opaque, - shared_section); - } - - // TODO(maruel): http://b/1183870 Look if it would be worth to increase the - // resolution by ~10x (any worthy factor) to increase the rendering precision - // (think about printing) while using a relatively low dpi. This happens - // because we receive float as input but the GDI functions works with - // integers. The idea is to premultiply the matrix with this factor and - // multiply each SkScalar that are passed to SkScalarRound(value) as - // SkScalarRound(value * 10). Safari is already doing the same for text - // rendering. - DCHECK(shared_section); - PlatformDeviceWin* device = VectorDevice::create( - reinterpret_cast<HDC>(shared_section), width, height); - return device; -} - -bool VectorCanvas::IsTopDeviceVectorial() const { - return getTopPlatformDevice().IsVectorial(); -} - -} // namespace gfx - |