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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you mPrimitiveFields.may not use this file except in compliance with the License.
* You mPrimitiveFields.may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "RenderProperties.h"
#include <utils/Trace.h>
#include <SkColorFilter.h>
#include <SkMatrix.h>
#include <SkPath.h>
#include <SkPathOps.h>
#include "Matrix.h"
#include "hwui/Canvas.h"
#include "utils/MathUtils.h"
namespace android {
namespace uirenderer {
LayerProperties::LayerProperties() {
reset();
}
LayerProperties::~LayerProperties() {
setType(LayerType::None);
}
void LayerProperties::reset() {
mOpaque = false;
setFromPaint(nullptr);
}
bool LayerProperties::setColorFilter(SkColorFilter* filter) {
if (mColorFilter.get() == filter) return false;
mColorFilter = sk_ref_sp(filter);
return true;
}
bool LayerProperties::setFromPaint(const SkPaint* paint) {
bool changed = false;
changed |= setAlpha(static_cast<uint8_t>(PaintUtils::getAlphaDirect(paint)));
changed |= setXferMode(PaintUtils::getBlendModeDirect(paint));
changed |= setColorFilter(paint ? paint->getColorFilter() : nullptr);
return changed;
}
LayerProperties& LayerProperties::operator=(const LayerProperties& other) {
setType(other.type());
setOpaque(other.opaque());
setAlpha(other.alpha());
setXferMode(other.xferMode());
setColorFilter(other.getColorFilter());
return *this;
}
RenderProperties::ComputedFields::ComputedFields() : mTransformMatrix(nullptr) {}
RenderProperties::ComputedFields::~ComputedFields() {
delete mTransformMatrix;
}
RenderProperties::RenderProperties() : mStaticMatrix(nullptr), mAnimationMatrix(nullptr) {}
RenderProperties::~RenderProperties() {
delete mStaticMatrix;
delete mAnimationMatrix;
}
RenderProperties& RenderProperties::operator=(const RenderProperties& other) {
if (this != &other) {
mPrimitiveFields = other.mPrimitiveFields;
setStaticMatrix(other.getStaticMatrix());
setAnimationMatrix(other.getAnimationMatrix());
setCameraDistance(other.getCameraDistance());
mLayerProperties = other.layerProperties();
// Force recalculation of the matrix, since other's dirty bit may be clear
mPrimitiveFields.mMatrixOrPivotDirty = true;
updateMatrix();
}
return *this;
}
static void dumpMatrix(std::ostream& output, std::string& indent, const char* label,
SkMatrix* matrix) {
if (matrix) {
output << indent << "(" << label << " " << matrix << ": ";
output << std::fixed << std::setprecision(2);
output << "[" << matrix->get(0) << " " << matrix->get(1) << " " << matrix->get(2) << "]";
output << " [" << matrix->get(3) << " " << matrix->get(4) << " " << matrix->get(5) << "]";
output << " [" << matrix->get(6) << " " << matrix->get(7) << " " << matrix->get(8) << "]";
output << ")" << std::endl;
}
}
void RenderProperties::debugOutputProperties(std::ostream& output, const int level) const {
auto indent = std::string(level * 2, ' ');
if (mPrimitiveFields.mLeft != 0 || mPrimitiveFields.mTop != 0) {
output << indent << "(Translate (left, top) " << mPrimitiveFields.mLeft << ", "
<< mPrimitiveFields.mTop << ")" << std::endl;
}
dumpMatrix(output, indent, "ConcatMatrix (static)", mStaticMatrix);
dumpMatrix(output, indent, "ConcatMatrix (animation)", mAnimationMatrix);
output << std::fixed << std::setprecision(2);
if (hasTransformMatrix()) {
if (isTransformTranslateOnly()) {
output << indent << "(Translate " << getTranslationX() << ", " << getTranslationY()
<< ", " << getZ() << ")" << std::endl;
} else {
dumpMatrix(output, indent, "ConcatMatrix ", mComputedFields.mTransformMatrix);
}
}
const bool isLayer = effectiveLayerType() != LayerType::None;
int clipFlags = getClippingFlags();
if (mPrimitiveFields.mAlpha < 1 && !MathUtils::isZero(mPrimitiveFields.mAlpha)) {
if (isLayer) {
clipFlags &= ~CLIP_TO_BOUNDS; // bounds clipping done by layer
}
if (CC_LIKELY(isLayer || !getHasOverlappingRendering())) {
// simply scale rendering content's alpha
output << indent << "(ScaleAlpha " << mPrimitiveFields.mAlpha << ")" << std::endl;
} else {
// savelayeralpha to create an offscreen buffer to apply alpha
Rect layerBounds(0, 0, getWidth(), getHeight());
if (clipFlags) {
getClippingRectForFlags(clipFlags, &layerBounds);
clipFlags = 0; // all clipping done by savelayer
}
output << indent << "(SaveLayerAlpha " << (int)layerBounds.left << ", "
<< (int)layerBounds.top << ", " << (int)layerBounds.right << ", "
<< (int)layerBounds.bottom << ", " << (int)(mPrimitiveFields.mAlpha * 255)
<< ", 0x" << std::hex << (SaveFlags::HasAlphaLayer | SaveFlags::ClipToLayer)
<< ")" << std::dec << std::endl;
}
}
if (clipFlags) {
Rect clipRect;
getClippingRectForFlags(clipFlags, &clipRect);
output << indent << "(ClipRect " << (int)clipRect.left << ", " << (int)clipRect.top << ", "
<< (int)clipRect.right << ", " << (int)clipRect.bottom << ")" << std::endl;
}
if (getRevealClip().willClip()) {
Rect bounds;
getRevealClip().getBounds(&bounds);
output << indent << "(Clip to reveal clip with bounds " << bounds.left << ", " << bounds.top
<< ", " << bounds.right << ", " << bounds.bottom << ")" << std::endl;
}
auto& outline = mPrimitiveFields.mOutline;
if (outline.getShouldClip()) {
if (outline.isEmpty()) {
output << indent << "(Clip to empty outline)";
} else if (outline.willClip()) {
const Rect& bounds = outline.getBounds();
output << indent << "(Clip to outline with bounds " << bounds.left << ", " << bounds.top
<< ", " << bounds.right << ", " << bounds.bottom << ")" << std::endl;
}
}
}
void RenderProperties::updateMatrix() {
if (mPrimitiveFields.mMatrixOrPivotDirty) {
if (!mComputedFields.mTransformMatrix) {
// only allocate a mPrimitiveFields.matrix if we have a complex transform
mComputedFields.mTransformMatrix = new SkMatrix();
}
if (!mPrimitiveFields.mPivotExplicitlySet) {
mPrimitiveFields.mPivotX = mPrimitiveFields.mWidth / 2.0f;
mPrimitiveFields.mPivotY = mPrimitiveFields.mHeight / 2.0f;
}
SkMatrix* transform = mComputedFields.mTransformMatrix;
transform->reset();
if (MathUtils::isZero(getRotationX()) && MathUtils::isZero(getRotationY())) {
transform->setTranslate(getTranslationX(), getTranslationY());
transform->preRotate(getRotation(), getPivotX(), getPivotY());
transform->preScale(getScaleX(), getScaleY(), getPivotX(), getPivotY());
} else {
SkMatrix transform3D;
mComputedFields.mTransformCamera.save();
transform->preScale(getScaleX(), getScaleY(), getPivotX(), getPivotY());
mComputedFields.mTransformCamera.rotateX(mPrimitiveFields.mRotationX);
mComputedFields.mTransformCamera.rotateY(mPrimitiveFields.mRotationY);
mComputedFields.mTransformCamera.rotateZ(-mPrimitiveFields.mRotation);
mComputedFields.mTransformCamera.getMatrix(&transform3D);
transform3D.preTranslate(-getPivotX(), -getPivotY());
transform3D.postTranslate(getPivotX() + getTranslationX(),
getPivotY() + getTranslationY());
transform->postConcat(transform3D);
mComputedFields.mTransformCamera.restore();
}
mPrimitiveFields.mMatrixOrPivotDirty = false;
}
}
} /* namespace uirenderer */
} /* namespace android */
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