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_encodeToData_2, 256, 256, false, 3) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6 canvas->scale(4, 4);
7 SkIRect subset = {136, 32, 200, 96};
8 // This prevents re-encoding the image's pixels if the image itself was created from
9 // something like an encoded PNG.
10 sk_sp<SkData> data = image->refEncodedData();
11 if (!data) {
12 data = SkPngEncoder::Encode(nullptr, image.get(), {});
13 }
14 sk_sp<SkImage> eye = SkImages::DeferredFromEncodedData(data)->makeSubset(nullptr, subset);
15 canvas->drawImage(eye, 0, 0);
16 }
17 } // END FIDDLE
18