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(Image_RasterFromData, 256, 256, false, 3) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6 size_t rowBytes = image->width() * SkColorTypeBytesPerPixel(kRGBA_8888_SkColorType);
7 sk_sp<SkData> data = SkData::MakeUninitialized(rowBytes * image->height());
8 SkImageInfo dstInfo = SkImageInfo::MakeN32(image->width(), image->height(),
9 kPremul_SkAlphaType);
10 image->readPixels(nullptr, dstInfo, data->writable_data(), rowBytes, 0, 0, SkImage::kAllow_CachingHint);
11 auto ii = dstInfo.makeColorType(kRGBA_8888_SkColorType);
12 sk_sp<SkImage> raw = SkImages::RasterFromData(ii, data, rowBytes);
13 canvas->drawImage(image, 0, 0);
14 canvas->drawImage(raw.get(), 128, 0);
15 }
16 } // END FIDDLE
17