зеркало из https://github.com/mozilla/moz-skia.git
122 строки
2.5 KiB
C++
122 строки
2.5 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 "SkView.h"
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#include "SkCanvas.h"
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#include "gm.h"
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using namespace skiagm;
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// need to explicitly declare this, or we get some weird infinite loop llist
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template GMRegistry* GMRegistry::gHead;
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class Iter {
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public:
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Iter() {
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fReg = GMRegistry::Head();
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}
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void reset() {
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fReg = GMRegistry::Head();
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}
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GM* next() {
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if (fReg) {
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GMRegistry::Factory fact = fReg->factory();
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fReg = fReg->next();
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return fact(0);
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}
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return NULL;
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}
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static int Count() {
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const GMRegistry* reg = GMRegistry::Head();
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int count = 0;
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while (reg) {
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count += 1;
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reg = reg->next();
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}
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return count;
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}
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private:
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const GMRegistry* fReg;
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};
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///////////////////////////////////////////////////////////////////////////////
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class GMView : public SampleView {
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Iter fIter;
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GM* fGM;
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public:
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GMView() {
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fGM = fIter.next();
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this->postNextGM();
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this->setBGColor(0xFFDDDDDD);
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}
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virtual ~GMView() {
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delete fGM;
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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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SampleCode::TitleR(evt, "GM");
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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("next-gm")) {
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delete fGM;
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if (!(fGM = fIter.next())) {
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fIter.reset();
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fGM = fIter.next();
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}
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this->inval(NULL);
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this->postNextGM();
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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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fGM->draw(canvas);
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}
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private:
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void postNextGM() {
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(new SkEvent("next-gm"))->post(this->getSinkID(), 1500);
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}
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typedef SampleView INHERITED;
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};
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///////////////////////////////////////////////////////////////////////////////
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static SkView* MyFactory() { return new GMView; }
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static SkViewRegister reg(MyFactory);
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///////////////////////////////////////////////////////////////////////////////
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using namespace skiagm;
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GM::GM() {}
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GM::~GM() {}
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void GM::draw(SkCanvas* canvas) {
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this->onDraw(canvas);
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}
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