Bitmap_notifyPixelsChanged.cpp File Reference

#include "tools/fiddle/examples.h"

Go to the source code of this file.

Functions
	REG_FIDDLE (Bitmap_notifyPixelsChanged, 256, 20, false, 0)

Function Documentation

REG_FIDDLE()

REG_FIDDLE	(	Bitmap_notifyPixelsChanged	,
		256	,
		20	,
		false	,
		0
	)

Definition at line 5 of file Bitmap_notifyPixelsChanged.cpp.

                                                          {
void draw(SkCanvas* canvas) {
    SkBitmap bitmap;
    bitmap.setInfo(SkImageInfo::Make(1, 1, kRGBA_8888_SkColorType, kOpaque_SkAlphaType));
    bitmap.allocPixels();
    bitmap.eraseColor(SK_ColorRED);
    canvas->scale(16, 16);
    canvas->drawImage(bitmap.asImage(), 0, 0);
    *(SkPMColor*) bitmap.getPixels() = SkPreMultiplyColor(SK_ColorBLUE);
    canvas->drawImage(bitmap.asImage(), 2, 0);
    bitmap.notifyPixelsChanged();
    *(SkPMColor*) bitmap.getPixels() = SkPreMultiplyColor(SK_ColorGREEN);
    canvas->drawImage(bitmap.asImage(), 4, 0);
}
}  // END FIDDLE