69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "SkCanvas.h"
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#include "SkImage.h"
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#include "SkRandom.h"
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#include "SkSurface.h"
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static SkImage* make_image() {
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const SkImageInfo info = SkImageInfo::MakeN32Premul(319, 52);
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SkAutoTUnref<SkSurface> surface(SkSurface::NewRaster(info));
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SkCanvas* canvas = surface->getCanvas();
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canvas->drawColor(0xFFF8F8F8);
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setStyle(SkPaint::kStroke_Style);
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for (int i = 0; i < 20; ++i) {
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canvas->drawCircle(-4, 25, 20, paint);
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canvas->translate(25, 0);
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}
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return surface->newImageSnapshot();
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}
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static void test_mip(SkCanvas* canvas) {
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SkAutoTUnref<SkImage> img(make_image());//SkImage::NewFromEncoded(data));
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SkPaint paint;
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const SkRect dst = SkRect::MakeWH(177, 15);
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paint.setTextSize(30);
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SkString str;
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str.printf("scale %g %g", dst.width() / img->width(), dst.height() / img->height());
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// canvas->drawText(str.c_str(), str.size(), 300, 100, paint);
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canvas->translate(20, 20);
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for (int i = 0; i < 4; ++i) {
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paint.setFilterQuality(SkFilterQuality(i));
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canvas->drawImageRect(img, NULL, dst, &paint);
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canvas->translate(0, 20);
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}
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canvas->drawImage(img, 20, 20, NULL);
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}
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class MipMapGM : public skiagm::GM {
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public:
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MipMapGM() {}
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protected:
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SkString onShortName() override { return SkString("mipmap"); }
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SkISize onISize() override { return SkISize::Make(400, 200); }
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void onDraw(SkCanvas* canvas) override {
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test_mip(canvas);
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}
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private:
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typedef skiagm::GM INHERITED;
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};
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DEF_GM( return new MipMapGM; )
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