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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Tests text rendering with LCD and subpixel rendering turned on and off.
*/
#include "gm.h"
#include "SkCanvas.h"
namespace skiagm {
class LcdTextGM : public GM {
public:
LcdTextGM() {
const int pointSize = 36;
textHeight = SkIntToScalar(pointSize);
}
protected:
SkString onShortName() {
return SkString("lcdtext");
}
SkISize onISize() { return make_isize(640, 480); }
virtual void onDraw(SkCanvas* canvas) {
y = textHeight;
drawText(canvas, SkString("TEXT: SubpixelTrue LCDRenderTrue"),
true, true);
drawText(canvas, SkString("TEXT: SubpixelTrue LCDRenderFalse"),
true, false);
drawText(canvas, SkString("TEXT: SubpixelFalse LCDRenderTrue"),
false, true);
drawText(canvas, SkString("TEXT: SubpixelFalse LCDRenderFalse"),
false, false);
}
void drawText(SkCanvas* canvas, const SkString& string,
bool subpixelTextEnabled, bool lcdRenderTextEnabled) {
SkPaint paint;
paint.setColor(SK_ColorBLACK);
paint.setDither(true);
paint.setAntiAlias(true);
paint.setSubpixelText(subpixelTextEnabled);
paint.setLCDRenderText(lcdRenderTextEnabled);
paint.setTextSize(textHeight);
canvas->drawText(string.c_str(), string.size(), 0, y, paint);
y += textHeight;
}
private:
typedef GM INHERITED;
SkScalar y, textHeight;
};
///////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new LcdTextGM; }
static GMRegistry reg(MyFactory);
}
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