| // 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=be9574c4a14f891e1abb4ec2b1e51d6c |
| REG_FIDDLE(Surface_notifyContentWillChange, 256, 256, true, 0) { |
| void draw(SkCanvas* canvas) { |
| auto surface = SkSurfaces::Raster(SkImageInfo::MakeN32Premul(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 |