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0b629d419f
Now that the compositor doesn't have any tricky deps, we can make it a top-level project, which saves a bunch of typing.
46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flow/picture_layer.h"
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#include "base/logging.h"
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#include "flow/checkerboard.h"
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#include "flow/raster_cache.h"
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namespace flow {
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// TODO(abarth): Make this configurable by developers.
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const bool kDebugCheckerboardRasterizedLayers = false;
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PictureLayer::PictureLayer() {
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}
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PictureLayer::~PictureLayer() {
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}
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void PictureLayer::Preroll(PrerollContext* context,
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const SkMatrix& matrix) {
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image_ = context->frame.context().raster_cache().GetPrerolledImage(
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context->frame.gr_context(), picture_.get(), matrix);
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context->child_paint_bounds = picture_->cullRect().makeOffset(offset_.x(), offset_.y());
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}
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void PictureLayer::Paint(PaintContext::ScopedFrame& frame) {
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DCHECK(picture_);
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SkCanvas& canvas = frame.canvas();
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if (image_) {
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SkRect rect = picture_->cullRect().makeOffset(offset_.x(), offset_.y());
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canvas.drawImageRect(image_.get(), rect, nullptr, SkCanvas::kFast_SrcRectConstraint);
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if (kDebugCheckerboardRasterizedLayers)
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DrawCheckerboard(&canvas, rect);
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} else {
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SkAutoCanvasRestore save(&canvas, true);
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canvas.translate(offset_.x(), offset_.y());
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canvas.drawPicture(picture_.get());
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}
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}
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} // namespace flow
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