skia2/samplecode/SampleShapes.cpp
2009-05-18 04:20:55 +00:00

102 lines
2.7 KiB
C++

#include "SampleCode.h"
#include "SkCanvas.h"
#include "SkPaint.h"
#include "SkPorterDuff.h"
#include "SkView.h"
#include "SkRectShape.h"
#include "SkGroupShape.h"
static SkRect make_rect(int l, int t, int r, int b) {
SkRect rect;
rect.set(SkIntToScalar(l), SkIntToScalar(t),
SkIntToScalar(r), SkIntToScalar(b));
return rect;
}
static SkShape* make_shape0(bool red) {
SkRectShape* s = new SkRectShape;
s->setRect(make_rect(10, 10, 90, 90));
if (red) {
s->paint().setColor(SK_ColorRED);
}
return s;
}
static SkShape* make_shape1() {
SkRectShape* s = new SkRectShape;
s->setOval(make_rect(10, 10, 90, 90));
s->paint().setColor(SK_ColorBLUE);
return s;
}
static SkShape* make_shape2() {
SkRectShape* s = new SkRectShape;
s->setRRect(make_rect(10, 10, 90, 90),
SkIntToScalar(20), SkIntToScalar(20));
s->paint().setColor(SK_ColorGREEN);
return s;
}
///////////////////////////////////////////////////////////////////////////////
class ShapesView : public SkView {
SkGroupShape fGroup;
public:
ShapesView() {
SkMatrix m;
fGroup.appendShape(make_shape0(false))->unref();
m.setRotate(SkIntToScalar(30), SkIntToScalar(50), SkIntToScalar(50));
m.postTranslate(0, SkIntToScalar(120));
fGroup.appendShape(make_shape0(true), m)->unref();
m.setTranslate(SkIntToScalar(120), 0);
fGroup.appendShape(make_shape1(), m)->unref();
m.postTranslate(0, SkIntToScalar(120));
fGroup.appendShape(make_shape2(), m)->unref();
}
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt) {
if (SampleCode::TitleQ(*evt)) {
SampleCode::TitleR(evt, "Shapes");
return true;
}
return this->INHERITED::onQuery(evt);
}
void drawBG(SkCanvas* canvas) {
canvas->drawColor(0xFFDDDDDD);
}
virtual void onDraw(SkCanvas* canvas) {
this->drawBG(canvas);
SkMatrix matrix;
#if 1
SkGroupShape gs;
gs.appendShape(&fGroup);
matrix.setTranslate(0, SkIntToScalar(240));
gs.appendShape(&fGroup, matrix);
matrix.setTranslate(SkIntToScalar(240), 0);
matrix.preScale(SK_Scalar1*2, SK_Scalar1*2);
gs.appendShape(&fGroup, matrix);
canvas->drawShape(&gs);
#else
fGroup.draw(canvas);
fGroup.drawXY(canvas, 0, SkIntToScalar(240));
fGroup.drawMatrix(canvas, matrix);
#endif
}
private:
typedef SkView INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
static SkView* MyFactory() { return new ShapesView; }
static SkViewRegister reg(MyFactory);