1bcacfdcab
Test: No code changes, just ran through clang-format Change-Id: Id23aa4ec7eebc0446fe3a30260f33e7fd455bb8c
114 lines
4.0 KiB
C++
114 lines
4.0 KiB
C++
/*
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* Copyright (C) 2016 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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#include "PropertyValuesHolder.h"
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#include "utils/Color.h"
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#include "utils/VectorDrawableUtils.h"
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#include <utils/Log.h>
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namespace android {
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namespace uirenderer {
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using namespace VectorDrawable;
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inline constexpr float lerp(float fromValue, float toValue, float fraction) {
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return float(fromValue * (1 - fraction) + toValue * fraction);
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}
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inline constexpr float linearize(U8CPU component) {
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return EOCF_sRGB(component / 255.0f);
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}
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// TODO: Add a test for this
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void ColorEvaluator::evaluate(SkColor* outColor, const SkColor& fromColor, const SkColor& toColor,
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float fraction) const {
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float a = lerp(SkColorGetA(fromColor) / 255.0f, SkColorGetA(toColor) / 255.0f, fraction);
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float r = lerp(linearize(SkColorGetR(fromColor)), linearize(SkColorGetR(toColor)), fraction);
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float g = lerp(linearize(SkColorGetG(fromColor)), linearize(SkColorGetG(toColor)), fraction);
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float b = lerp(linearize(SkColorGetB(fromColor)), linearize(SkColorGetB(toColor)), fraction);
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*outColor = SkColorSetARGB((U8CPU)roundf(a * 255.0f), (U8CPU)roundf(OECF_sRGB(r) * 255.0f),
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(U8CPU)roundf(OECF_sRGB(g) * 255.0f),
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(U8CPU)roundf(OECF_sRGB(b) * 255.0f));
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}
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void PathEvaluator::evaluate(PathData* out, const PathData& from, const PathData& to,
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float fraction) const {
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VectorDrawableUtils::interpolatePaths(out, from, to, fraction);
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}
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template <typename T>
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const T PropertyValuesHolderImpl<T>::getValueFromData(float fraction) const {
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if (mDataSource.size() == 0) {
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LOG_ALWAYS_FATAL("No data source is defined");
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return 0;
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}
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if (fraction <= 0.0f) {
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return mDataSource.front();
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}
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if (fraction >= 1.0f) {
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return mDataSource.back();
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}
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fraction *= mDataSource.size() - 1;
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int lowIndex = floor(fraction);
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fraction -= lowIndex;
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T value;
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mEvaluator->evaluate(&value, mDataSource[lowIndex], mDataSource[lowIndex + 1], fraction);
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return value;
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}
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template <typename T>
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const T PropertyValuesHolderImpl<T>::calculateAnimatedValue(float fraction) const {
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if (mDataSource.size() > 0) {
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return getValueFromData(fraction);
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} else {
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T value;
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mEvaluator->evaluate(&value, mStartValue, mEndValue, fraction);
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return value;
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}
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}
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void GroupPropertyValuesHolder::setFraction(float fraction) {
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float animatedValue = calculateAnimatedValue(fraction);
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mGroup->mutateProperties()->setPropertyValue(mPropertyId, animatedValue);
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}
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void FullPathColorPropertyValuesHolder::setFraction(float fraction) {
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SkColor animatedValue = calculateAnimatedValue(fraction);
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mFullPath->mutateProperties()->setColorPropertyValue(mPropertyId, animatedValue);
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}
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void FullPathPropertyValuesHolder::setFraction(float fraction) {
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float animatedValue = calculateAnimatedValue(fraction);
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mFullPath->mutateProperties()->setPropertyValue(mPropertyId, animatedValue);
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}
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void PathDataPropertyValuesHolder::setFraction(float fraction) {
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mEvaluator->evaluate(&mPathData, mStartValue, mEndValue, fraction);
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mPath->mutateProperties()->setData(mPathData);
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}
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void RootAlphaPropertyValuesHolder::setFraction(float fraction) {
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float animatedValue = calculateAnimatedValue(fraction);
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mTree->mutateProperties()->setRootAlpha(animatedValue);
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}
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} // namepace uirenderer
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} // namespace android
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