Pixmap_addr.cpp File Reference

#include "tools/fiddle/examples.h"

Go to the source code of this file.

Functions
	REG_FIDDLE (Pixmap_addr, 256, 256, true, 3)

Function Documentation

REG_FIDDLE()

REG_FIDDLE	(	Pixmap_addr	,
		256	,
		256	,
		true	,
		3
	)

Definition at line 4 of file Pixmap_addr.cpp.

                                           {
void draw(SkCanvas* canvas) {
    std::vector<int32_t> pixels;
    pixels.resize(image->height() * image->width() * 4);
    SkPixmap pixmap(SkImageInfo::Make(image->width(), image->height(), kN32_SkColorType,
            image->alphaType()), (const void*) &pixels.front(), image->width() * 4);
    image->readPixels(nullptr, pixmap, 0, 0);
    SkDebugf("pixels address: 0x%p\n", pixmap.addr());
    SkPixmap inset;
    if (pixmap.extractSubset(&inset, {128, 128, 512, 512})) {
        SkDebugf("inset address:  0x%p\n", inset.addr());
    }
}
}  // END FIDDLE