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Hal Canary83c2f702019-03-07 14:53:03 -05001// 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 "fiddle/examples.h"
4// HASH=febdbfac6cf4cde69837643be2e1f6dd
5REG_FIDDLE(Pixmap_005, 256, 128, false, 3) {
6void draw(SkCanvas* canvas) {
7 std::vector<int32_t> pixels;
8 pixels.resize(image->height() * image->width() * 4);
9 SkPixmap pixmap(SkImageInfo::Make(image->width(), image->height(), kN32_SkColorType,
10 image->alphaType()), (const void*) &pixels.front(), image->width() * 4);
11 image->readPixels(pixmap, 0, 0);
12 SkPixmap inset;
13 if (pixmap.extractSubset(&inset, {128, 128, 512, 512})) {
14 SkBitmap bitmap;
15 bitmap.installPixels(inset);
16 canvas->drawBitmap(bitmap, 0, 0);
17 }
18}
19} // END FIDDLE