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#include "SampleCode.h"
#include "SkView.h"
#include "SkCanvas.h"
#include "SkGradientShader.h"
#include "SkGraphics.h"
#include "SkImageDecoder.h"
#include "SkPath.h"
#include "SkPorterDuff.h"
#include "SkRegion.h"
#include "SkShader.h"
#include "SkUtils.h"
#include "SkXfermode.h"
#include "SkShaderExtras.h"
#include "SkColorPriv.h"
#include "SkColorFilter.h"
#include "SkTime.h"
#include "SkTypeface.h"
class PathView : public SkView {
public:
int fDStroke, fStroke, fMinStroke, fMaxStroke;
SkPath fPath[6];
bool fShowHairline;
PathView()
{
fShowHairline = false;
fDStroke = 1;
fStroke = 10;
fMinStroke = 10;
fMaxStroke = 180;
const int V = 85;
fPath[0].moveTo(SkIntToScalar(40), SkIntToScalar(70));
fPath[0].lineTo(SkIntToScalar(70), SkIntToScalar(70) + SK_Scalar1/1);
fPath[0].lineTo(SkIntToScalar(110), SkIntToScalar(70));
fPath[1].moveTo(SkIntToScalar(40), SkIntToScalar(70));
fPath[1].lineTo(SkIntToScalar(70), SkIntToScalar(70) - SK_Scalar1/1);
fPath[1].lineTo(SkIntToScalar(110), SkIntToScalar(70));
fPath[2].moveTo(SkIntToScalar(V), SkIntToScalar(V));
fPath[2].lineTo(SkIntToScalar(50), SkIntToScalar(V));
fPath[2].lineTo(SkIntToScalar(50), SkIntToScalar(50));
fPath[3].moveTo(SkIntToScalar(50), SkIntToScalar(50));
fPath[3].lineTo(SkIntToScalar(50), SkIntToScalar(V));
fPath[3].lineTo(SkIntToScalar(V), SkIntToScalar(V));
fPath[4].moveTo(SkIntToScalar(50), SkIntToScalar(50));
fPath[4].lineTo(SkIntToScalar(50), SkIntToScalar(V));
fPath[4].lineTo(SkIntToScalar(52), SkIntToScalar(50));
fPath[5].moveTo(SkIntToScalar(52), SkIntToScalar(50));
fPath[5].lineTo(SkIntToScalar(50), SkIntToScalar(V));
fPath[5].lineTo(SkIntToScalar(50), SkIntToScalar(50));
}
virtual ~PathView()
{
}
void nextStroke()
{
fStroke += fDStroke;
if (fStroke > fMaxStroke || fStroke < fMinStroke)
fDStroke = -fDStroke;
}
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt)
{
if (SampleCode::TitleQ(*evt))
{
SampleCode::TitleR(evt, "Paths");
return true;
}
return this->INHERITED::onQuery(evt);
}
void drawBG(SkCanvas* canvas)
{
canvas->drawColor(0xFFDDDDDD);
// canvas->drawColor(SK_ColorWHITE);
}
void drawPath(SkCanvas* canvas, const SkPath& path, SkPaint::Join j)
{
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeJoin(j);
paint.setStrokeWidth(SkIntToScalar(fStroke));
if (fShowHairline)
{
SkPath fill;
paint.getFillPath(path, &fill);
paint.setStrokeWidth(0);
canvas->drawPath(fill, paint);
}
else
canvas->drawPath(path, paint);
paint.setColor(SK_ColorRED);
paint.setStrokeWidth(0);
canvas->drawPath(path, paint);
}
virtual void onDraw(SkCanvas* canvas)
{
this->drawBG(canvas);
canvas->translate(SkIntToScalar(50), SkIntToScalar(50));
static const SkPaint::Join gJoins[] = {
SkPaint::kBevel_Join,
SkPaint::kMiter_Join,
SkPaint::kRound_Join
};
for (int i = 0; i < SK_ARRAY_COUNT(gJoins); i++)
{
canvas->save();
for (int j = 0; j < SK_ARRAY_COUNT(fPath); j++)
{
this->drawPath(canvas, fPath[j], gJoins[i]);
canvas->translate(SkIntToScalar(200), 0);
}
canvas->restore();
canvas->translate(0, SkIntToScalar(200));
}
this->nextStroke();
this->inval(NULL);
}
virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y)
{
fShowHairline = !fShowHairline;
this->inval(NULL);
return this->INHERITED::onFindClickHandler(x, y);
}
virtual bool onClick(Click* click)
{
return this->INHERITED::onClick(click);
}
private:
typedef SkView INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static SkView* MyFactory() { return new PathView; }
static SkViewRegister reg(MyFactory);
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