fb82300d1b
update gm for shadermask fix bugs in lcd_blend math git-svn-id: http://skia.googlecode.com/svn/trunk@2761 2bbb7eff-a529-9590-31e7-b0007b416f81
98 lines
2.8 KiB
C++
98 lines
2.8 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 "SkGradientShader.h"
|
|
|
|
// test shader w/ transparency
|
|
static SkShader* make_grad(SkScalar width) {
|
|
SkColor colors[] = { SK_ColorRED, 0x0000FF00, SK_ColorBLUE };
|
|
SkPoint pts[] = { { 0, 0 }, { width, 0 } };
|
|
return SkGradientShader::CreateLinear(pts, colors, NULL,
|
|
SK_ARRAY_COUNT(colors),
|
|
SkShader::kMirror_TileMode);
|
|
}
|
|
|
|
// test opaque shader
|
|
static SkShader* make_grad2(SkScalar width) {
|
|
SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE };
|
|
SkPoint pts[] = { { 0, 0 }, { width, 0 } };
|
|
return SkGradientShader::CreateLinear(pts, colors, NULL,
|
|
SK_ARRAY_COUNT(colors),
|
|
SkShader::kMirror_TileMode);
|
|
}
|
|
|
|
namespace skiagm {
|
|
|
|
class GradTextGM : public GM {
|
|
public:
|
|
GradTextGM () {}
|
|
|
|
protected:
|
|
|
|
virtual SkString onShortName() {
|
|
return SkString("gradtext");
|
|
}
|
|
|
|
virtual SkISize onISize() { return make_isize(500, 480); }
|
|
|
|
static void draw_text(SkCanvas* canvas, const SkPaint& paint) {
|
|
const char* text = "When in the course of human events";
|
|
size_t len = strlen(text);
|
|
canvas->drawText(text, len, 0, 0, paint);
|
|
}
|
|
|
|
static void draw_text3(SkCanvas* canvas, const SkPaint& paint) {
|
|
SkPaint p(paint);
|
|
|
|
p.setAntiAlias(false);
|
|
draw_text(canvas, p);
|
|
p.setAntiAlias(true);
|
|
canvas->translate(0, paint.getTextSize() * 4/3);
|
|
draw_text(canvas, p);
|
|
p.setLCDRenderText(true);
|
|
canvas->translate(0, paint.getTextSize() * 4/3);
|
|
draw_text(canvas, p);
|
|
}
|
|
|
|
virtual void onDraw(SkCanvas* canvas) {
|
|
SkPaint paint;
|
|
paint.setTextSize(SkIntToScalar(26));
|
|
|
|
const SkISize& size = this->getISize();
|
|
SkRect r = SkRect::MakeWH(SkIntToScalar(size.width()),
|
|
SkIntToScalar(size.height()) / 2);
|
|
canvas->drawRect(r, paint);
|
|
|
|
canvas->translate(SkIntToScalar(20), paint.getTextSize());
|
|
|
|
for (int i = 0; i < 2; ++i) {
|
|
paint.setShader(make_grad(SkIntToScalar(80)))->unref();
|
|
draw_text3(canvas, paint);
|
|
|
|
canvas->translate(0, paint.getTextSize() * 2);
|
|
|
|
paint.setShader(make_grad2(SkIntToScalar(80)))->unref();
|
|
draw_text3(canvas, paint);
|
|
|
|
canvas->translate(0, paint.getTextSize() * 2);
|
|
}
|
|
}
|
|
|
|
private:
|
|
typedef GM INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
static GM* MyFactory(void*) { return new GradTextGM; }
|
|
static GMRegistry reg(MyFactory);
|
|
|
|
}
|
|
|