75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HWUI_GAMMA_FONT_RENDERER_H
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#define ANDROID_HWUI_GAMMA_FONT_RENDERER_H
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#include "FontRenderer.h"
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namespace android {
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namespace uirenderer {
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class GammaFontRenderer {
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public:
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GammaFontRenderer();
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void clear() {
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mRenderer.reset(nullptr);
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}
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void flush() {
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if (mRenderer) {
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mRenderer->flushLargeCaches();
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}
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}
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FontRenderer& getFontRenderer() {
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if (!mRenderer) {
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const uint8_t* table = nullptr;
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#ifndef ANDROID_ENABLE_LINEAR_BLENDING
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table = &mGammaTable[0];
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#endif
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mRenderer.reset(new FontRenderer(table));
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}
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return *mRenderer;
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}
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void dumpMemoryUsage(String8& log) const {
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if (mRenderer) {
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mRenderer->dumpMemoryUsage(log);
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} else {
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log.appendFormat("FontRenderer doesn't exist.\n");
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}
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}
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uint32_t getSize() const {
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return mRenderer ? mRenderer->getSize() : 0;
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}
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void endPrecaching();
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private:
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std::unique_ptr<FontRenderer> mRenderer;
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#ifndef ANDROID_ENABLE_LINEAR_BLENDING
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uint8_t mGammaTable[256];
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#endif
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};
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_HWUI_GAMMA_FONT_RENDERER_H
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