1fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot/* 2fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * Copyright 2018 Google Inc. 3fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * 4fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * Use of this source code is governed by a BSD-style license that can be 5fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * found in the LICENSE file. 6fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot */ 7fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 8fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkSGMaskEffect.h" 9fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 10fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkCanvas.h" 11fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 12fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotnamespace sksg { 13fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 14fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team RobotMaskEffect::MaskEffect(sk_sp<RenderNode> child, sk_sp<RenderNode> mask) 15fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot : INHERITED(std::move(child)) 16fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot , fMaskNode(std::move(mask)) { 17fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot this->observeInval(fMaskNode); 18fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 19fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 20fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team RobotMaskEffect::~MaskEffect() { 21fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot this->unobserveInval(fMaskNode); 22fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 23fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 24fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotvoid MaskEffect::onRender(SkCanvas* canvas) const { 25fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot if (this->bounds().isEmpty()) 26fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return; 27fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 28fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkAutoCanvasRestore acr(canvas, false); 29fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 30fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->saveLayer(this->bounds(), nullptr); 31fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot fMaskNode->render(canvas); 32fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 33fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 34fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPaint p; 35fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot p.setBlendMode(SkBlendMode::kSrcIn); 36fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->saveLayer(this->bounds(), &p); 37fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 38fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot this->INHERITED::onRender(canvas); 39fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 40fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 41fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 42fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team RobotSkRect MaskEffect::onRevalidate(InvalidationController* ic, const SkMatrix& ctm) { 43fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkASSERT(this->hasInval()); 44fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 45fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot const auto maskBounds = fMaskNode->revalidate(ic, ctm); 46fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot auto childBounds = this->INHERITED::onRevalidate(ic, ctm); 47fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 48fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return childBounds.intersect(maskBounds) ? childBounds : SkRect::MakeEmpty(); 49fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 50fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 51fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} // namespace sksg 52