skia2/docs/examples/Surface_makeImageSnapshot_2.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
798 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=b18b8ab693b09eb70a1d22ab63790cc7
REG_FIDDLE(Surface_makeImageSnapshot_2, 256, 64, false, 0) {
void draw(SkCanvas* canvas) {
sk_sp<SkSurface> big(SkSurface::MakeRasterN32Premul(64, 64));
sk_sp<SkSurface> lil(big->makeSurface(SkImageInfo::MakeN32(32, 32, kPremul_SkAlphaType)));
big->getCanvas()->clear(SK_ColorRED);
lil->getCanvas()->clear(SK_ColorBLACK);
sk_sp<SkImage> early(big->makeImageSnapshot());
lil->draw(big->getCanvas(), 16, 16, nullptr);
sk_sp<SkImage> later(big->makeImageSnapshot({0, 0, 16, 16}));
canvas->drawImage(early, 0, 0);
canvas->drawImage(later, 0, 0);
}
} // END FIDDLE