зеркало из https://github.com/mozilla/moz-skia.git
131 строка
4.0 KiB
C++
131 строка
4.0 KiB
C++
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/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkDebugger.h"
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#include "SkString.h"
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SkDebugger::SkDebugger() {
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// Create this some other dynamic way?
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fDebugCanvas = new SkDebugCanvas(100, 100);
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fPicture = NULL;
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fPictureWidth = 0;
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fPictureHeight = 0;
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fIndex = 0;
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}
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SkDebugger::~SkDebugger() {
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// Need to inherit from SkRef object in order for following to work
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SkSafeUnref(fDebugCanvas);
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SkSafeUnref(fPicture);
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}
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void SkDebugger::loadPicture(SkPicture* picture) {
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fPictureWidth = picture->width();
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fPictureHeight = picture->height();
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delete fDebugCanvas;
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fDebugCanvas = new SkDebugCanvas(fPictureWidth, fPictureHeight);
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fDebugCanvas->setBounds(fPictureWidth, fPictureHeight);
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picture->draw(fDebugCanvas);
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fIndex = fDebugCanvas->getSize() - 1;
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SkRefCnt_SafeAssign(fPicture, picture);
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}
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SkPicture* SkDebugger::copyPicture() {
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// We can't just call clone here since we want to removed the "deleted"
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// commands. Playing back will strip those out.
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SkPicture* newPicture = new SkPicture;
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SkCanvas* canvas = newPicture->beginRecording(fPictureWidth, fPictureHeight);
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fDebugCanvas->draw(canvas);
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newPicture->endRecording();
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return newPicture;
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}
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void SkDebugger::getOverviewText(const SkTDArray<double>* typeTimes,
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double totTime,
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SkString* overview,
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int numRuns) {
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const SkTDArray<SkDrawCommand*>& commands = this->getDrawCommands();
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SkTDArray<int> counts;
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counts.setCount(LAST_DRAWTYPE_ENUM+1);
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for (int i = 0; i < LAST_DRAWTYPE_ENUM+1; ++i) {
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counts[i] = 0;
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}
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for (int i = 0; i < commands.count(); i++) {
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counts[commands[i]->getType()]++;
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}
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overview->reset();
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int total = 0;
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#ifdef SK_DEBUG
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double totPercent = 0, tempSum = 0;
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#endif
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for (int i = 0; i < LAST_DRAWTYPE_ENUM+1; ++i) {
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if (0 == counts[i]) {
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// if there were no commands of this type then they should've consumed no time
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SkASSERT(NULL == typeTimes || 0.0 == (*typeTimes)[i]);
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continue;
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}
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overview->append(SkDrawCommand::GetCommandString((DrawType) i));
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overview->append(": ");
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overview->appendS32(counts[i]);
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if (NULL != typeTimes && totTime >= 0.0) {
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overview->append(" - ");
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overview->appendf("%.2f", (*typeTimes)[i]/(float)numRuns);
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overview->append("ms");
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overview->append(" - ");
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double percent = 100.0*(*typeTimes)[i]/totTime;
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overview->appendf("%.2f", percent);
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overview->append("%");
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#ifdef SK_DEBUG
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totPercent += percent;
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tempSum += (*typeTimes)[i];
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#endif
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}
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overview->append("<br/>");
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total += counts[i];
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}
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#ifdef SK_DEBUG
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if (NULL != typeTimes) {
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SkASSERT(SkScalarNearlyEqual(SkDoubleToScalar(totPercent),
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SkDoubleToScalar(100.0)));
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SkASSERT(SkScalarNearlyEqual(SkDoubleToScalar(tempSum),
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SkDoubleToScalar(totTime)));
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}
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#endif
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if (totTime > 0.0) {
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overview->append("Total Time: ");
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overview->appendf("%.2f", totTime/(float)numRuns);
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overview->append("ms");
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#ifdef SK_DEBUG
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overview->append(" ");
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overview->appendScalar(SkDoubleToScalar(totPercent));
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overview->append("% ");
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#endif
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overview->append("<br/>");
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}
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SkString totalStr;
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totalStr.append("Total Draw Commands: ");
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totalStr.appendScalar(SkDoubleToScalar(total));
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totalStr.append("<br/>");
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overview->insert(0, totalStr);
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overview->append("<br/>");
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overview->append("SkPicture Width: ");
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overview->appendS32(pictureWidth());
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overview->append("px<br/>");
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overview->append("SkPicture Height: ");
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overview->appendS32(pictureHeight());
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overview->append("px");
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}
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