1 // Copyright 2019 Google LLC.
2 // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3 #include "tools/fiddle/examples.h"
4 REG_FIDDLE(Pixmap_addr, 256, 256, true, 3) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6 std::vector<int32_t> pixels;
7 pixels.resize(image->height() * image->width() * 4);
8 SkPixmap pixmap(SkImageInfo::Make(image->width(), image->height(), kN32_SkColorType,
9 image->alphaType()), (const void*) &pixels.front(), image->width() * 4);
10 image->readPixels(nullptr, pixmap, 0, 0);
11 SkDebugf("pixels address: 0x%p\n", pixmap.addr());
12 SkPixmap inset;
13 if (pixmap.extractSubset(&inset, {128, 128, 512, 512})) {
14 SkDebugf("inset address: 0x%p\n", inset.addr());
15 }
16 }
17 } // END FIDDLE
18