moz-skia/samplecode/SampleStrokeRect.cpp

76 строки
2.1 KiB
C++

/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SampleCode.h"
#include "SkView.h"
#include "SkCanvas.h"
#include "SkDevice.h"
#include "SkPaint.h"
class StrokeRectSample : public SampleView {
public:
StrokeRectSample() {}
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt) {
if (SampleCode::TitleQ(*evt)) {
SampleCode::TitleR(evt, "Stroke Rects");
return true;
}
return this->INHERITED::onQuery(evt);
}
virtual void onDrawContent(SkCanvas* canvas) {
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(SkIntToScalar(20));
SkPaint hair;
hair.setStyle(SkPaint::kStroke_Style);
hair.setColor(SK_ColorRED);
static const SkISize gSize[] = {
{ 100, 50 },
{ 100, 0 },
{ 0, 50 },
{ 0, 0 }
};
static const SkPaint::Join gJoin[] = {
SkPaint::kMiter_Join,
SkPaint::kRound_Join,
SkPaint::kBevel_Join
};
canvas->translate(paint.getStrokeWidth(), paint.getStrokeWidth());
for (size_t i = 0; i < SK_ARRAY_COUNT(gJoin); ++i) {
paint.setStrokeJoin(gJoin[i]);
canvas->save();
for (size_t j = 0; j < SK_ARRAY_COUNT(gSize); ++j) {
SkRect r = SkRect::MakeWH(SkIntToScalar(gSize[j].fWidth),
SkIntToScalar(gSize[j].fHeight));
canvas->drawRect(r, paint);
canvas->drawRect(r, hair);
canvas->translate(0, SkIntToScalar(100));
}
canvas->restore();
canvas->translate(SkIntToScalar(150), 0);
}
}
private:
typedef SampleView INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
static SkView* MyFactory() { return new StrokeRectSample; }
static SkViewRegister reg(MyFactory);