skia2/gm/tinybitmap.cpp
bsalomon@google.com 48dd1a26ec Import all GMs as Samples.
Review URL: http://codereview.appspot.com/5332043/



git-svn-id: http://skia.googlecode.com/svn/trunk@2564 2bbb7eff-a529-9590-31e7-b0007b416f81
2011-10-31 14:18:20 +00:00

69 lines
1.5 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 "SkColorPriv.h"
#include "SkShader.h"
#include "SkCanvas.h"
#include "SkUtils.h"
namespace skiagm {
static SkBitmap make_bitmap() {
SkBitmap bm;
SkColorTable* ctable = new SkColorTable(1);
SkPMColor* c = ctable->lockColors();
c[0] = SkPackARGB32(0x80, 0x80, 0, 0);
ctable->unlockColors(true);
bm.setConfig(SkBitmap::kIndex8_Config, 1, 1);
bm.allocPixels(ctable);
ctable->unref();
bm.lockPixels();
*bm.getAddr8(0, 0) = 0;
bm.unlockPixels();
return bm;
}
class TinyBitmapGM : public GM {
SkBitmap fBM;
public:
TinyBitmapGM() {
this->setBGColor(0xFFDDDDDD);
fBM = make_bitmap();
}
protected:
SkString onShortName() {
return SkString("tinybitmap");
}
virtual SkISize onISize() { return make_isize(100, 100); }
virtual void onDraw(SkCanvas* canvas) {
SkShader* s =
SkShader::CreateBitmapShader(fBM, SkShader::kRepeat_TileMode,
SkShader::kMirror_TileMode);
SkPaint paint;
paint.setAlpha(0x80);
paint.setShader(s)->unref();
canvas->drawPaint(paint);
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new TinyBitmapGM; }
static GMRegistry reg(MyFactory);
}