Bitmap_tryAllocPixels.cpp File Reference

#include "tools/fiddle/examples.h"

Go to the source code of this file.

Functions
	REG_FIDDLE (Bitmap_tryAllocPixels, 256, 256, false, 3)

Function Documentation

REG_FIDDLE()

REG_FIDDLE	(	Bitmap_tryAllocPixels	,
		256	,
		256	,
		false	,
		3
	)

Definition at line 4 of file Bitmap_tryAllocPixels.cpp.

                                                      {
void draw(SkCanvas* canvas) {
    SkBitmap bitmap;
    SkImageInfo info = SkImageInfo::Make(64, 256, kGray_8_SkColorType, kOpaque_SkAlphaType);
    if (bitmap.tryAllocPixels(info, 0)) {
        SkCanvas offscreen(bitmap);
        offscreen.scale(.5f, .5f);
        for (int x : { 0, 64, 128, 192 } ) {
            offscreen.drawImage(source.asImage(), -x, 0);
            canvas->drawImage(bitmap.asImage(), x, 0);
        }
    }
}
}  // END FIDDLE