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34 lines
958 B
C++
34 lines
958 B
C++
// Copyright 2016 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/layers/shader_mask_layer.h"
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namespace flow {
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ShaderMaskLayer::ShaderMaskLayer() {
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}
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ShaderMaskLayer::~ShaderMaskLayer() {
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}
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void ShaderMaskLayer::Preroll(PrerollContext* context, const SkMatrix& matrix) {
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ContainerLayer::Preroll(context, matrix);
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set_paint_bounds(context->child_paint_bounds);
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}
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void ShaderMaskLayer::Paint(PaintContext::ScopedFrame& frame) {
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SkCanvas& canvas = frame.canvas();
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SkAutoCanvasRestore save(&canvas, false);
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canvas.saveLayer(&paint_bounds(), nullptr);
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PaintChildren(frame);
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SkPaint paint;
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paint.setXfermodeMode(transfer_mode_);
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paint.setShader(shader_.get());
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canvas.translate(mask_rect_.left(), mask_rect_.top());
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canvas.drawRect(SkRect::MakeWH(mask_rect_.width(), mask_rect_.height()), paint);
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}
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} // namespace flow
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