add gm for very large bitmaps (>32K >64K)

raster expected to fail when scaling >64K (for now)



git-svn-id: http://skia.googlecode.com/svn/trunk@4967 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com 2012-08-07 14:05:14 +00:00
parent 702ee4fb28
commit 7eb3a2653b
2 changed files with 88 additions and 0 deletions

87
gm/verylargebitmap.cpp Normal file
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@ -0,0 +1,87 @@
/*
* Copyright 2012 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 "SkPath.h"
static void make_bm(SkBitmap* bm, int width, int height, SkColor color) {
bm->setConfig(SkBitmap::kARGB_8888_Config, width, height);
bm->allocPixels();
bm->eraseColor(color);
bm->setImmutable();
}
static void show_bm(SkCanvas* canvas, int width, int height, SkColor color) {
SkBitmap bm;
make_bm(&bm, width, height, color);
SkPaint paint;
SkRect r;
SkIRect ir;
paint.setStyle(SkPaint::kStroke_Style);
ir.set(0, 0, 128, 128);
r.set(ir);
canvas->save();
canvas->clipRect(r);
canvas->drawBitmap(bm, 0, 0, NULL);
canvas->restore();
canvas->drawRect(r, paint);
r.offset(SkIntToScalar(150), 0);
// exercises extract bitmap, but not shader
canvas->drawBitmapRect(bm, &ir, r, NULL);
canvas->drawRect(r, paint);
r.offset(SkIntToScalar(150), 0);
// exercises bitmapshader
canvas->drawBitmapRect(bm, NULL, r, NULL);
canvas->drawRect(r, paint);
}
class VeryLargeBitmapGM : public skiagm::GM {
public:
VeryLargeBitmapGM() {}
protected:
virtual SkString onShortName() SK_OVERRIDE {
return SkString("verylargebitmap");
}
virtual SkISize onISize() SK_OVERRIDE {
return SkISize::Make(640, 480);
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
int veryBig = 100*1024; // 64K < size
int big = 60*1024; // 32K < size < 64K
int small = 300;
canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
show_bm(canvas, small, small, SK_ColorRED);
canvas->translate(0, SkIntToScalar(150));
show_bm(canvas, big, small, SK_ColorBLUE);
canvas->translate(0, SkIntToScalar(150));
// as of this writing, the raster code will fail to draw the scaled version
// since it has a 64K limit on x,y coordinates... (but gpu should succeed)
show_bm(canvas, veryBig, small, SK_ColorGREEN);
}
private:
typedef skiagm::GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static skiagm::GM* MyFactory(void*) { return new VeryLargeBitmapGM; }
static skiagm::GMRegistry reg(MyFactory);

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@ -67,6 +67,7 @@
'../gm/typeface.cpp',
'../gm/verttext.cpp',
'../gm/verttext2.cpp',
'../gm/verylargebitmap.cpp',
'../gm/xfermodes.cpp',
],
}