skia2/docs/examples/Image_encodeToData.cpp
Mike Reed 564d49ec10 Remove subset parameter from making encoded/generator images
Since subsetting may require rasterizing/resolving the generator, we may
also need access to the GrDirectContext. To simplify apis, rely on
makeSubset() for that.

Related: https://skia-review.googlesource.com/c/skia/+/305970

Change-Id: I1980e3c823fb6cf54f197c350942c2f82b03e20f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/306136
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
2020-07-28 17:33:12 +00:00

18 lines
671 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 "tools/fiddle/examples.h"
// HASH=7a3bf8851bb7160e4e49c48f8c09639d
REG_FIDDLE(Image_encodeToData, 256, 256, false, 3) {
void draw(SkCanvas* canvas) {
canvas->scale(4, 4);
SkIRect subset = {0, 0, 16, 64};
int x = 0;
for (int quality : { 0, 10, 50, 100 } ) {
sk_sp<SkData> data(image->encodeToData(SkEncodedImageFormat::kJPEG, quality));
sk_sp<SkImage> filtered = SkImage::MakeFromEncoded(data)->makeSubset(subset);
canvas->drawImage(filtered, x, 0);
x += 16;
}
}
} // END FIDDLE