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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You 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.
*/
#pragma once
#include "SkiaDisplayList.h"
namespace android {
namespace uirenderer {
namespace skiapipeline {
/**
* DumpOpsCanvas prints drawing ops from a SkiaDisplayList into a std::ostream. Children render
* nodes are walked recursively and their drawing ops are printed as well.
*/
class DumpOpsCanvas : public SkCanvas {
public:
DumpOpsCanvas(std::ostream& output, int level, SkiaDisplayList& displayList)
: mOutput(output)
, mLevel(level)
, mDisplayList(displayList)
, mIdent((level + 1) * 2, ' ') {
}
protected:
void onClipRect(const SkRect& rect, SkClipOp, ClipEdgeStyle) override {
mOutput << mIdent << "clipRect" << std::endl;
}
void onClipRRect(const SkRRect& rrect, SkClipOp, ClipEdgeStyle) override {
mOutput << mIdent << "clipRRect" << std::endl;
}
void onClipPath(const SkPath& path, SkClipOp, ClipEdgeStyle) override {
mOutput << mIdent << "clipPath" << std::endl;
}
void onClipRegion(const SkRegion& deviceRgn, SkClipOp) override {
mOutput << mIdent << "clipRegion" << std::endl;
}
void onDrawPaint(const SkPaint&) override {
mOutput << mIdent << "drawPaint" << std::endl;
}
void onDrawPath(const SkPath&, const SkPaint&) override {
mOutput << mIdent << "drawPath" << std::endl;
}
void onDrawRect(const SkRect&, const SkPaint&) override {
mOutput << mIdent << "drawRect" << std::endl;
}
void onDrawRegion(const SkRegion&, const SkPaint&) override {
mOutput << mIdent << "drawRegion" << std::endl;
}
void onDrawOval(const SkRect&, const SkPaint&) override {
mOutput << mIdent << "drawOval" << std::endl;
}
void onDrawArc(const SkRect&, SkScalar, SkScalar, bool, const SkPaint&) override {
mOutput << mIdent << "drawArc" << std::endl;
}
void onDrawRRect(const SkRRect&, const SkPaint&) override {
mOutput << mIdent << "drawRRect" << std::endl;
}
void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override {
mOutput << mIdent << "drawDRRect" << std::endl;
}
void onDrawText(const void*, size_t, SkScalar, SkScalar, const SkPaint&) override {
mOutput << mIdent << "drawText" << std::endl;
}
void onDrawPosText(const void*, size_t, const SkPoint[], const SkPaint&) override {
mOutput << mIdent << "drawPosText" << std::endl;
}
void onDrawPosTextH(const void*, size_t, const SkScalar[], SkScalar,
const SkPaint&) override {
mOutput << mIdent << "drawPosTextH" << std::endl;
}
void onDrawTextOnPath(const void*, size_t, const SkPath&, const SkMatrix*,
const SkPaint&) override {
mOutput << mIdent << "drawTextOnPath" << std::endl;
}
void onDrawTextRSXform(const void*, size_t, const SkRSXform[], const SkRect*,
const SkPaint&) override {
mOutput << mIdent << "drawTextRSXform" << std::endl;
}
void onDrawTextBlob(const SkTextBlob*, SkScalar,SkScalar, const SkPaint&) override {
mOutput << mIdent << "drawTextBlob" << std::endl;
}
void onDrawImage(const SkImage*, SkScalar dx, SkScalar dy, const SkPaint*) override {
mOutput << mIdent << "drawImage" << std::endl;
}
void onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst,
const SkPaint*) override {
mOutput << mIdent << "drawImageNine" << std::endl;
}
void onDrawImageRect(const SkImage*, const SkRect*, const SkRect&, const SkPaint*,
SrcRectConstraint) override {
mOutput << mIdent << "drawImageRect" << std::endl;
}
void onDrawImageLattice(const SkImage*, const Lattice& lattice, const SkRect& dst,
const SkPaint*) override {
mOutput << mIdent << "drawImageLattice" << std::endl;
}
void onDrawPoints(SkCanvas::PointMode, size_t, const SkPoint[], const SkPaint&) override {
mOutput << mIdent << "drawPoints" << std::endl;
}
void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override {
mOutput << mIdent << "drawPicture" << std::endl;
}
void onDrawDrawable(SkDrawable* drawable, const SkMatrix*) override {
mOutput << mIdent;
auto renderNodeDrawable = getRenderNodeDrawable(drawable);
if (nullptr != renderNodeDrawable) {
mOutput << std::string(mLevel * 2, ' ') << "drawRenderNode";
renderNodeDrawable->getRenderNode()->output(mOutput, mLevel + 1);
return;
}
auto glFunctorDrawable = getGLFunctorDrawable(drawable);
if (nullptr != glFunctorDrawable) {
mOutput << std::string(mLevel * 2, ' ') << "drawGLFunctorDrawable" << std::endl;
return;
}
mOutput << std::string(mLevel * 2, ' ') << "drawDrawable" << std::endl;
}
private:
RenderNodeDrawable* getRenderNodeDrawable(SkDrawable* drawable) {
for (auto& child : mDisplayList.mChildNodes) {
if (drawable == &child) {
return &child;
}
}
return nullptr;
}
GLFunctorDrawable* getGLFunctorDrawable(SkDrawable* drawable) {
for (auto& child : mDisplayList.mChildFunctors) {
if (drawable == &child) {
return &child;
}
}
return nullptr;
}
std::ostream& mOutput;
int mLevel;
SkiaDisplayList& mDisplayList;
std::string mIdent;
};
}; // namespace skiapipeline
}; // namespace uirenderer
}; // namespace android
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