xref: /aosp_15_r20/external/skia/docs/examples/Image_encodeToData.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker // Copyright 2019 Google LLC.
2*c8dee2aaSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fiddle/examples.h"
4*c8dee2aaSAndroid Build Coastguard Worker REG_FIDDLE(Image_encodeToData, 256, 256, false, 3) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker     canvas->scale(4, 4);
7*c8dee2aaSAndroid Build Coastguard Worker     SkIRect subset = {0, 0, 16, 64};
8*c8dee2aaSAndroid Build Coastguard Worker     int x = 0;
9*c8dee2aaSAndroid Build Coastguard Worker     for (int quality : { 0, 10, 50, 100 } ) {
10*c8dee2aaSAndroid Build Coastguard Worker         SkJpegEncoder::Options options;
11*c8dee2aaSAndroid Build Coastguard Worker         options.fQuality = quality;
12*c8dee2aaSAndroid Build Coastguard Worker         sk_sp<SkData> data(SkJpegEncoder::Encode(nullptr, image.get(), options));
13*c8dee2aaSAndroid Build Coastguard Worker         sk_sp<SkImage> filtered = SkImages::DeferredFromEncodedData(data)->
14*c8dee2aaSAndroid Build Coastguard Worker                 makeSubset(nullptr, subset);
15*c8dee2aaSAndroid Build Coastguard Worker         canvas->drawImage(filtered, x, 0);
16*c8dee2aaSAndroid Build Coastguard Worker         x += 16;
17*c8dee2aaSAndroid Build Coastguard Worker     }
18*c8dee2aaSAndroid Build Coastguard Worker }
19*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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