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/*
* Copyright 2015 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 "SkImage.h"
#include "SkRandom.h"
#include "SkSurface.h"
static SkImage* make_image() {
const SkImageInfo info = SkImageInfo::MakeN32Premul(319, 52);
SkAutoTUnref<SkSurface> surface(SkSurface::NewRaster(info));
SkCanvas* canvas = surface->getCanvas();
canvas->drawColor(0xFFF8F8F8);
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
for (int i = 0; i < 20; ++i) {
canvas->drawCircle(-4, 25, 20, paint);
canvas->translate(25, 0);
}
return surface->newImageSnapshot();
}
static void test_mip(SkCanvas* canvas) {
SkAutoTUnref<SkImage> img(make_image());//SkImage::NewFromData(data));
SkPaint paint;
const SkRect dst = SkRect::MakeWH(177, 15);
paint.setTextSize(30);
SkString str;
str.printf("scale %g %g", dst.width() / img->width(), dst.height() / img->height());
// canvas->drawText(str.c_str(), str.size(), 300, 100, paint);
canvas->translate(20, 20);
for (int i = 0; i < 4; ++i) {
paint.setFilterQuality(SkFilterQuality(i));
canvas->drawImageRect(img, NULL, dst, &paint);
canvas->translate(0, 20);
}
canvas->drawImage(img, 20, 20, NULL);
}
class MipMapGM : public skiagm::GM {
public:
MipMapGM() {}
protected:
SkString onShortName() override { return SkString("mipmap"); }
SkISize onISize() override { return SkISize::Make(400, 200); }
void onDraw(SkCanvas* canvas) override {
test_mip(canvas);
}
private:
typedef skiagm::GM INHERITED;
};
DEF_GM( return new MipMapGM; )
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