1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "Layer.h" 18 19 #include "renderstate/RenderState.h" 20 #include "utils/Color.h" 21 22 namespace android { 23 namespace uirenderer { 24 25 Layer::Layer(RenderState& renderState, sk_sp<SkColorFilter> colorFilter, int alpha, 26 SkBlendMode mode) 27 : mRenderState(renderState) 28 , mColorFilter(colorFilter) 29 , alpha(alpha) 30 , mode(mode) { 31 // TODO: This is a violation of Android's typical ref counting, but it 32 // preserves the old inc/dec ref locations. This should be changed... 33 incStrong(nullptr); 34 renderState.registerLayer(this); 35 texTransform.setIdentity(); 36 transform.setIdentity(); 37 } 38 39 Layer::~Layer() { 40 mRenderState.unregisterLayer(this); 41 } 42 43 void Layer::postDecStrong() { 44 mRenderState.postDecStrong(this); 45 } 46 47 SkBlendMode Layer::getMode() const { 48 if (mBlend || mode != SkBlendMode::kSrcOver) { 49 return mode; 50 } else { 51 return SkBlendMode::kSrc; 52 } 53 } 54 55 } // namespace uirenderer 56 } // namespace android 57
