moz-skia/gm/strokefill.cpp

92 строки
3.0 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 "gm.h"
#include "SkCanvas.h"
#include "SkPath.h"
#include "SkTypeface.h"
namespace skiagm {
class StrokeFillGM : public GM {
public:
StrokeFillGM() {
}
protected:
virtual SkString onShortName() {
return SkString("stroke-fill");
}
virtual SkISize onISize() {
return make_isize(640, 480);
}
static void show_bold(SkCanvas* canvas, const void* text, int len,
SkScalar x, SkScalar y, const SkPaint& paint) {
SkPaint p(paint);
canvas->drawText(text, len, x, y, p);
p.setFakeBoldText(true);
canvas->drawText(text, len, x, y + SkIntToScalar(120), p);
}
virtual void onDraw(SkCanvas* canvas) {
SkScalar x = SkIntToScalar(100);
SkScalar y = SkIntToScalar(88);
SkPaint paint;
paint.setAntiAlias(true);
paint.setTextSize(SkIntToScalar(100));
paint.setStrokeWidth(SkIntToScalar(5));
SkTypeface* face = SkTypeface::CreateFromName("Papyrus", SkTypeface::kNormal);
SkSafeUnref(paint.setTypeface(face));
show_bold(canvas, "Hello", 5, x, y, paint);
face = SkTypeface::CreateFromName("Hiragino Maru Gothic Pro", SkTypeface::kNormal);
SkSafeUnref(paint.setTypeface(face));
const unsigned char hyphen[] = { 0xE3, 0x83, 0xBC };
show_bold(canvas, hyphen, SK_ARRAY_COUNT(hyphen), x + SkIntToScalar(300), y, paint);
paint.setStyle(SkPaint::kStrokeAndFill_Style);
SkPath path;
path.setFillType(SkPath::kWinding_FillType);
path.addCircle(x, y + SkIntToScalar(200), SkIntToScalar(50), SkPath::kCW_Direction);
path.addCircle(x, y + SkIntToScalar(200), SkIntToScalar(40), SkPath::kCCW_Direction);
canvas->drawPath(path, paint);
SkPath path2;
path2.setFillType(SkPath::kWinding_FillType);
path2.addCircle(x + SkIntToScalar(120), y + SkIntToScalar(200), SkIntToScalar(50), SkPath::kCCW_Direction);
path2.addCircle(x + SkIntToScalar(120), y + SkIntToScalar(200), SkIntToScalar(40), SkPath::kCW_Direction);
canvas->drawPath(path2, paint);
path2.reset();
path2.addCircle(x + SkIntToScalar(240), y + SkIntToScalar(200), SkIntToScalar(50), SkPath::kCCW_Direction);
canvas->drawPath(path2, paint);
SkASSERT(path2.cheapIsDirection(SkPath::kCCW_Direction));
path2.reset();
SkASSERT(!path2.cheapComputeDirection(NULL));
path2.addCircle(x + SkIntToScalar(360), y + SkIntToScalar(200), SkIntToScalar(50), SkPath::kCW_Direction);
SkASSERT(path2.cheapIsDirection(SkPath::kCW_Direction));
canvas->drawPath(path2, paint);
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new StrokeFillGM; }
static GMRegistry reg(MyFactory);
}