зеркало из https://github.com/mozilla/moz-skia.git
141 строка
3.8 KiB
C++
141 строка
3.8 KiB
C++
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/*
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* Copyright 2011 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 "SampleCode.h"
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#include "SkDumpCanvas.h"
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#include "SkView.h"
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#include "SkCanvas.h"
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#include "Sk64.h"
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#include "SkGradientShader.h"
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#include "SkGraphics.h"
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#include "SkImageDecoder.h"
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#include "SkOSFile.h"
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#include "SkPath.h"
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#include "SkPicture.h"
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#include "SkRandom.h"
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#include "SkRegion.h"
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#include "SkShader.h"
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#include "SkUtils.h"
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#include "SkColorPriv.h"
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#include "SkColorFilter.h"
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#include "SkTime.h"
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#include "SkTypeface.h"
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#include "SkXfermode.h"
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#include "SkStream.h"
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#include "SkXMLParser.h"
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class PictFileView : public SampleView {
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SkString fFilename;
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SkPicture* fPicture;
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SkPicture* fBBoxPicture;
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bool fUseBBox;
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static SkPicture* LoadPicture(const char path[], bool useBBox) {
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SkPicture* pic = NULL;
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SkBitmap bm;
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if (SkImageDecoder::DecodeFile(path, &bm)) {
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bm.setImmutable();
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pic = SkNEW(SkPicture);
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SkCanvas* can = pic->beginRecording(bm.width(), bm.height());
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can->drawBitmap(bm, 0, 0, NULL);
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pic->endRecording();
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} else {
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SkFILEStream stream(path);
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if (stream.isValid()) {
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pic = SkNEW_ARGS(SkPicture, (&stream, NULL, &SkImageDecoder::DecodeMemory));
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}
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if (false) { // re-record
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SkPicture p2;
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pic->draw(p2.beginRecording(pic->width(), pic->height()));
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p2.endRecording();
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SkString path2(path);
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path2.append(".new.skp");
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SkFILEWStream writer(path2.c_str());
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p2.serialize(&writer);
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}
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}
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if (useBBox) {
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SkPicture* bboxPicture = SkNEW(SkPicture);
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pic->draw(bboxPicture->beginRecording(pic->width(), pic->height(),
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SkPicture::kOptimizeForClippedPlayback_RecordingFlag));
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bboxPicture->endRecording();
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SkDELETE(pic);
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return bboxPicture;
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} else {
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return pic;
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}
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}
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public:
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PictFileView(const char name[] = NULL) : fFilename(name) {
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fPicture = NULL;
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fBBoxPicture = NULL;
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fUseBBox = false;
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}
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virtual ~PictFileView() {
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SkSafeUnref(fPicture);
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SkSafeUnref(fBBoxPicture);
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}
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protected:
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// overrides from SkEventSink
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virtual bool onQuery(SkEvent* evt) {
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if (SampleCode::TitleQ(*evt)) {
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SkString name("P:");
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const char* basename = strrchr(fFilename.c_str(), SkPATH_SEPARATOR);
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name.append(basename ? basename+1: fFilename.c_str());
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if (fUseBBox) {
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name.append(" <bbox>");
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}
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SampleCode::TitleR(evt, name.c_str());
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return true;
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}
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return this->INHERITED::onQuery(evt);
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}
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virtual bool onEvent(const SkEvent& evt) {
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if (evt.isType("PictFileView::toggleBBox")) {
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fUseBBox = !fUseBBox;
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return true;
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}
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return this->INHERITED::onEvent(evt);
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}
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virtual void onDrawContent(SkCanvas* canvas) {
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SkPicture** picture = fUseBBox ? &fBBoxPicture : &fPicture;
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if (!*picture) {
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*picture = LoadPicture(fFilename.c_str(), fUseBBox);
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}
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if (*picture) {
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canvas->drawPicture(**picture);
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}
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}
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private:
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typedef SampleView INHERITED;
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};
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SampleView* CreateSamplePictFileView(const char filename[]);
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SampleView* CreateSamplePictFileView(const char filename[]) {
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return new PictFileView(filename);
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}
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//////////////////////////////////////////////////////////////////////////////
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#if 0
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static SkView* MyFactory() { return new PictFileView; }
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static SkViewRegister reg(MyFactory);
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#endif
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