| /* |
| * Copyright (c) 2013, Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "platform/graphics/UnacceleratedImageBufferSurface.h" |
| |
| #include "platform/graphics/StaticBitmapImage.h" |
| #include "platform/graphics/skia/SkiaUtils.h" |
| #include "platform/runtime_enabled_features.h" |
| #include "platform/wtf/RefPtr.h" |
| #include "third_party/skia/include/core/SkSurface.h" |
| |
| namespace blink { |
| |
| UnacceleratedImageBufferSurface::UnacceleratedImageBufferSurface( |
| const IntSize& size, |
| ImageInitializationMode initialization_mode, |
| const CanvasColorParams& color_params) |
| : ImageBufferSurface(size, color_params) { |
| SkImageInfo info = SkImageInfo::Make( |
| size.Width(), size.Height(), color_params.GetSkColorType(), |
| color_params.GetSkAlphaType(), |
| color_params.GetSkColorSpaceForSkSurfaces()); |
| surface_ = SkSurface::MakeRaster(info, color_params.GetSkSurfaceProps()); |
| if (!surface_) |
| return; |
| |
| canvas_ = color_params.WrapCanvas(surface_->getCanvas()); |
| |
| // Always save an initial frame, to support resetting the top level matrix |
| // and clip. |
| canvas_->save(); |
| |
| if (initialization_mode == kInitializeImagePixels) |
| Clear(); |
| } |
| |
| UnacceleratedImageBufferSurface::~UnacceleratedImageBufferSurface() {} |
| |
| PaintCanvas* UnacceleratedImageBufferSurface::Canvas() { |
| return canvas_.get(); |
| } |
| |
| bool UnacceleratedImageBufferSurface::IsValid() const { |
| return surface_; |
| } |
| |
| bool UnacceleratedImageBufferSurface::WritePixels(const SkImageInfo& orig_info, |
| const void* pixels, |
| size_t row_bytes, |
| int x, |
| int y) { |
| return surface_->getCanvas()->writePixels(orig_info, pixels, row_bytes, x, y); |
| } |
| |
| scoped_refptr<StaticBitmapImage> |
| UnacceleratedImageBufferSurface::NewImageSnapshot(AccelerationHint, |
| SnapshotReason) { |
| return StaticBitmapImage::Create(surface_->makeImageSnapshot()); |
| } |
| |
| } // namespace blink |