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#include "gm.h"
#include "SkRandom.h"
namespace skiagm {
class PointsGM : public GM {
public:
PointsGM() {}
protected:
virtual SkString onShortName() {
return SkString("points");
}
virtual SkISize onISize() {
return make_isize(640, 490);
}
void drawBG(SkCanvas* canvas) {
canvas->drawColor(SK_ColorWHITE);
}
static void fill_pts(SkPoint pts[], size_t n, SkRandom* rand) {
for (size_t i = 0; i < n; i++)
pts[i].set(rand->nextUScalar1() * 640, rand->nextUScalar1() * 480);
}
virtual void onDraw(SkCanvas* canvas) {
this->drawBG(canvas);
canvas->translate(SK_Scalar1, SK_Scalar1);
SkRandom rand;
SkPaint p0, p1, p2, p3;
const size_t n = 99;
p0.setColor(SK_ColorRED);
p1.setColor(SK_ColorGREEN);
p2.setColor(SK_ColorBLUE);
p3.setColor(SK_ColorWHITE);
p0.setStrokeWidth(SkIntToScalar(4));
p2.setStrokeCap(SkPaint::kRound_Cap);
p2.setStrokeWidth(SkIntToScalar(6));
SkPoint* pts = new SkPoint[n];
fill_pts(pts, n, &rand);
canvas->drawPoints(SkCanvas::kPolygon_PointMode, n, pts, p0);
canvas->drawPoints(SkCanvas::kLines_PointMode, n, pts, p1);
canvas->drawPoints(SkCanvas::kPoints_PointMode, n, pts, p2);
canvas->drawPoints(SkCanvas::kPoints_PointMode, n, pts, p3);
delete[] pts;
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new PointsGM; }
static GMRegistry reg(MyFactory);
}
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