3bcf8d30a7
git-svn-id: http://skia.googlecode.com/svn/trunk@2446 2bbb7eff-a529-9590-31e7-b0007b416f81
120 lines
3.3 KiB
C++
120 lines
3.3 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 "SkColorPriv.h"
|
|
#include "SkDevice.h"
|
|
#include "SkPaint.h"
|
|
#include "SkRandom.h"
|
|
|
|
#define W 270
|
|
#define H 200
|
|
|
|
static void show_text(SkCanvas* canvas) {
|
|
SkRandom rand;
|
|
SkPaint paint;
|
|
paint.setAntiAlias(true);
|
|
paint.setTextSize(SkIntToScalar(20));
|
|
|
|
for (int i = 0; i < 300; ++i) {
|
|
paint.setColor((SK_A32_MASK << SK_A32_SHIFT) | rand.nextU());
|
|
canvas->drawText("Hamburgefons", 12,
|
|
rand.nextSScalar1() * W, rand.nextSScalar1() * H,
|
|
paint);
|
|
}
|
|
}
|
|
|
|
static void show_geo(SkCanvas* canvas) {
|
|
SkRandom rand;
|
|
SkPaint paint;
|
|
paint.setAntiAlias(true);
|
|
|
|
for (int i = 0; i < 30; ++i) {
|
|
SkRect r;
|
|
SkPath p;
|
|
|
|
r.setXYWH(rand.nextSScalar1() * W, rand.nextSScalar1() * H,
|
|
rand.nextUScalar1() * W, rand.nextUScalar1() * H);
|
|
paint.setStyle(SkPaint::kFill_Style);
|
|
paint.setColor(rand.nextU());
|
|
canvas->drawRect(r, paint);
|
|
|
|
r.setXYWH(rand.nextSScalar1() * W, rand.nextSScalar1() * H,
|
|
rand.nextUScalar1() * W, rand.nextUScalar1() * H);
|
|
paint.setStyle(SkPaint::kStroke_Style);
|
|
paint.setColor(rand.nextU());
|
|
canvas->drawRect(r, paint);
|
|
|
|
r.setXYWH(rand.nextSScalar1() * W, rand.nextSScalar1() * H,
|
|
rand.nextUScalar1() * W, rand.nextUScalar1() * H);
|
|
paint.setStyle(SkPaint::kFill_Style);
|
|
paint.setColor(rand.nextU());
|
|
p.addOval(r);
|
|
canvas->drawPath(p, paint);
|
|
}
|
|
}
|
|
|
|
typedef void (*CanvasProc)(SkCanvas*);
|
|
|
|
class ClipView : public SampleView {
|
|
public:
|
|
ClipView() {
|
|
}
|
|
|
|
virtual ~ClipView() {
|
|
}
|
|
|
|
protected:
|
|
// overrides from SkEventSink
|
|
virtual bool onQuery(SkEvent* evt) {
|
|
if (SampleCode::TitleQ(*evt)) {
|
|
SampleCode::TitleR(evt, "Clip");
|
|
return true;
|
|
}
|
|
return this->INHERITED::onQuery(evt);
|
|
}
|
|
|
|
virtual void onDrawContent(SkCanvas* canvas) {
|
|
canvas->drawColor(SK_ColorLTGRAY);
|
|
canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
|
|
|
|
static const CanvasProc gProc[] = {
|
|
show_text, show_geo
|
|
};
|
|
|
|
SkRect r = { 0, 0, SkIntToScalar(W), SkIntToScalar(H) };
|
|
SkPath clipPath;
|
|
r.inset(SK_Scalar1 / 4, SK_Scalar1 / 4);
|
|
clipPath.addRoundRect(r, SkIntToScalar(16), SkIntToScalar(16));
|
|
|
|
for (int aa = 0; aa <= 1; ++aa) {
|
|
canvas->save();
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(gProc); ++i) {
|
|
canvas->save();
|
|
canvas->clipPath(clipPath);
|
|
canvas->drawColor(SK_ColorWHITE);
|
|
gProc[i](canvas);
|
|
canvas->restore();
|
|
canvas->translate(W * SK_Scalar1 * 8 / 7, 0);
|
|
}
|
|
canvas->restore();
|
|
canvas->translate(0, H * SK_Scalar1 * 8 / 7);
|
|
}
|
|
}
|
|
|
|
private:
|
|
typedef SampleView INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
static SkView* MyFactory() { return new ClipView; }
|
|
static SkViewRegister reg(MyFactory);
|
|
|