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30 lines
790 B
C++
30 lines
790 B
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/layers/transform_layer.h"
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namespace flow {
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TransformLayer::TransformLayer() {
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}
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TransformLayer::~TransformLayer() {
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}
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void TransformLayer::Preroll(PrerollContext* context, const SkMatrix& matrix) {
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SkMatrix childMatrix;
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childMatrix.setConcat(matrix, transform_);
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PrerollChildren(context, childMatrix);
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transform_.mapRect(&context->child_paint_bounds);
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}
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void TransformLayer::Paint(PaintContext& context) {
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TRACE_EVENT0("flutter", "TransformLayer::Paint");
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SkAutoCanvasRestore save(&context.canvas, true);
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context.canvas.concat(transform_);
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PaintChildren(context);
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}
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} // namespace flow
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