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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.
*/
#include "gm.h"
#include "SkTypeface.h"
namespace skiagm {
class FontScalerGM : public GM {
public:
FontScalerGM() {
this->setBGColor(0xFFFFFFFF);
}
virtual ~FontScalerGM() {
}
protected:
SkString onShortName() override {
return SkString("fontscaler");
}
SkISize onISize() override {
return SkISize::Make(1450, 750);
}
static void rotate_about(SkCanvas* canvas,
SkScalar degrees,
SkScalar px, SkScalar py) {
canvas->translate(px, py);
canvas->rotate(degrees);
canvas->translate(-px, -py);
}
void onDraw(SkCanvas* canvas) override {
SkPaint paint;
paint.setAntiAlias(true);
paint.setLCDRenderText(true);
//With freetype the default (normal hinting) can be really ugly.
//Most distros now set slight (vertical hinting only) in any event.
paint.setHinting(SkPaint::kSlight_Hinting);
sk_tool_utils::set_portable_typeface(&paint, "Times Roman", SkTypeface::kNormal);
const char* text = "Hamburgefons ooo mmm";
const size_t textLen = strlen(text);
for (int j = 0; j < 2; ++j) {
// This used to do 6 iterations but it causes the N4 to crash in the MSAA4 config.
for (int i = 0; i < 5; ++i) {
SkScalar x = SkIntToScalar(10);
SkScalar y = SkIntToScalar(20);
SkAutoCanvasRestore acr(canvas, true);
canvas->translate(SkIntToScalar(50 + i * 230),
SkIntToScalar(20));
rotate_about(canvas, SkIntToScalar(i * 5), x, y * 10);
{
SkPaint p;
p.setAntiAlias(true);
SkRect r;
r.set(x - SkIntToScalar(3), SkIntToScalar(15),
x - SkIntToScalar(1), SkIntToScalar(280));
canvas->drawRect(r, p);
}
for (int ps = 6; ps <= 22; ps++) {
paint.setTextSize(SkIntToScalar(ps));
canvas->drawText(text, textLen, x, y, paint);
y += paint.getFontMetrics(NULL);
}
}
canvas->translate(0, SkIntToScalar(360));
paint.setSubpixelText(true);
}
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new FontScalerGM; }
static GMRegistry reg(MyFactory);
}
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