skia2/docs/examples/Surface_notifyContentWillChange.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
679 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=be9574c4a14f891e1abb4ec2b1e51d6c
REG_FIDDLE(Surface_notifyContentWillChange, 256, 256, true, 0) {
void draw(SkCanvas* canvas) {
auto surface = SkSurface::MakeRasterN32Premul(1, 1);
for (int i = 0; i < 3; ++i) {
SkDebugf("surface generationID: %d\n", surface->generationID());
if (0 == i) {
surface->getCanvas()->drawColor(SK_ColorBLACK);
} else {
surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode);
}
}
}
} // END FIDDLE