skia2/docs/examples/Image_MakeRasterData.cpp
Hal Canary d88c2e8e09 Docs: rename examples files to match names
Change-Id: I9a6b2780cfdd91cdd16d5a08eb9ba1214492cb7e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201982
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
2019-03-19 18:49:22 +00:00

18 lines
963 B
C++

// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "fiddle/examples.h"
// HASH=22e7ce79ab2fe94252d23319f2258127
REG_FIDDLE(Image_MakeRasterData, 256, 256, false, 3) {
void draw(SkCanvas* canvas) {
size_t rowBytes = image->width() * SkColorTypeBytesPerPixel(kRGBA_8888_SkColorType);
sk_sp<SkData> data = SkData::MakeUninitialized(rowBytes * image->height());
SkImageInfo dstInfo = SkImageInfo::MakeN32(image->width(), image->height(),
kPremul_SkAlphaType);
image->readPixels(dstInfo, data->writable_data(), rowBytes, 0, 0, SkImage::kAllow_CachingHint);
sk_sp<SkImage> raw = SkImage::MakeRasterData(dstInfo.makeColorType(kRGBA_8888_SkColorType),
data, rowBytes);
canvas->drawImage(image, 0, 0);
canvas->drawImage(raw.get(), 128, 0);
}
} // END FIDDLE