skia2/gm/tinybitmap.cpp
Mike Reed 9407e24c29 make float more primary API for paint (esp. for alpha)
Bug: skia:8773
Change-Id: I82b1f22f300eadc93f79a35a1638b7eb6376169a
Reviewed-on: https://skia-review.googlesource.com/c/193031
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2019-02-15 21:50:16 +00:00

54 lines
1.2 KiB
C++

/*
* 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 "sk_tool_utils.h"
#include "SkColorPriv.h"
#include "SkShader.h"
#include "SkCanvas.h"
#include "SkUTF.h"
namespace skiagm {
static SkBitmap make_bitmap() {
SkBitmap bm;
bm.allocN32Pixels(1, 1);
*bm.getAddr32(0, 0) = SkPackARGB32(0x80, 0x80, 0, 0);
return bm;
}
class TinyBitmapGM : public GM {
public:
TinyBitmapGM() {
this->setBGColor(0xFFDDDDDD);
}
protected:
SkString onShortName() {
return SkString("tinybitmap");
}
virtual SkISize onISize() { return SkISize::Make(100, 100); }
virtual void onDraw(SkCanvas* canvas) {
SkBitmap bm = make_bitmap();
SkPaint paint;
paint.setAlphaf(0.5f);
paint.setShader(SkShader::MakeBitmapShader(bm, SkShader::kRepeat_TileMode,
SkShader::kMirror_TileMode));
canvas->drawPaint(paint);
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM( return new TinyBitmapGM; )
}