skia2/docs/examples/Bitmap_isVolatile.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
754 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=23c4543ac6cdd0e8fe762816a0dc2e03
REG_FIDDLE(Bitmap_isVolatile, 256, 256, true, 0) {
void draw(SkCanvas* canvas) {
SkBitmap original;
SkImageInfo info = SkImageInfo::Make(25, 35, kRGBA_8888_SkColorType, kOpaque_SkAlphaType);
if (original.tryAllocPixels(info)) {
original.setIsVolatile(true);
SkBitmap copy;
original.extractSubset(&copy, {5, 10, 15, 20});
SkDebugf("original is " "%s" "volatile\n", original.isVolatile() ? "" : "not ");
SkDebugf("copy is " "%s" "volatile\n", copy.isImmutable() ? "" : "not ");
}
}
} // END FIDDLE