752e7eb157
BUG=skia:3075 TEST=ninja -C out/Debug TBR=mtklein@google.com Review URL: https://codereview.chromium.org/815883002
89 lines
2.0 KiB
C++
89 lines
2.0 KiB
C++
|
|
/*
|
|
* Copyright 2014 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 "Resources.h"
|
|
#include "SkBitmap.h"
|
|
#include "SkImageDecoder.h"
|
|
#include "SkPaint.h"
|
|
#include "SkShader.h"
|
|
#include "SkStream.h"
|
|
|
|
|
|
/***
|
|
*
|
|
* This GM reproduces Skia bug 2904, in which a tiled bitmap shader was failing to draw correctly
|
|
* when fractional image scaling was ignored by the high quality bitmap scaler.
|
|
*
|
|
***/
|
|
|
|
namespace skiagm {
|
|
|
|
class TiledScaledBitmapGM : public GM {
|
|
public:
|
|
|
|
TiledScaledBitmapGM() {
|
|
}
|
|
|
|
protected:
|
|
virtual SkString onShortName() SK_OVERRIDE {
|
|
return SkString("tiledscaledbitmap");
|
|
}
|
|
|
|
virtual SkISize onISize() SK_OVERRIDE {
|
|
return SkISize::Make(1016, 616);
|
|
}
|
|
|
|
virtual uint32_t onGetFlags() const SK_OVERRIDE {
|
|
return kSkipTiled_Flag;
|
|
}
|
|
|
|
static SkBitmap make_bm(int width, int height) {
|
|
SkBitmap bm;
|
|
bm.allocN32Pixels(width, height);
|
|
bm.eraseColor(SK_ColorTRANSPARENT);
|
|
SkCanvas canvas(bm);
|
|
SkPaint paint;
|
|
paint.setAntiAlias(true);
|
|
canvas.drawCircle(width/2.f, height/2.f, width/4.f, paint);
|
|
return bm;
|
|
}
|
|
|
|
virtual void onOnceBeforeDraw() SK_OVERRIDE {
|
|
fBitmap = make_bm(360, 288);
|
|
}
|
|
|
|
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
|
|
SkPaint paint;
|
|
|
|
paint.setAntiAlias(true);
|
|
paint.setFilterLevel(SkPaint::kHigh_FilterLevel);
|
|
|
|
SkMatrix mat;
|
|
mat.setScale(121.f/360.f, 93.f/288.f);
|
|
mat.postTranslate(-72, -72);
|
|
|
|
SkShader *shader = SkShader::CreateBitmapShader(fBitmap, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode, &mat);
|
|
paint.setShader(shader);
|
|
|
|
SkSafeUnref(shader);
|
|
canvas->drawRectCoords(8,8,1008, 608, paint);
|
|
}
|
|
|
|
private:
|
|
SkBitmap fBitmap;
|
|
|
|
typedef GM INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
DEF_GM(return SkNEW(TiledScaledBitmapGM);)
|
|
|
|
}
|