// 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=809284db136748208b3efc31cd89de29 REG_FIDDLE(Pixmap_writable_addr8, 256, 64, false, 0) { void draw(SkCanvas* canvas) { uint8_t storage[][5] = {{ 0, 0, 64, 0, 0}, { 0, 128, 255, 128, 0}, {64, 255, 255, 255, 64}, { 0, 128, 255, 128, 0}, { 0, 0, 64, 0, 0}}; SkImageInfo imageInfo = SkImageInfo::Make(5, 5, kGray_8_SkColorType, kPremul_SkAlphaType); SkPixmap pixmap(imageInfo, storage[0], 5); SkBitmap bitmap; bitmap.installPixels(pixmap); canvas->scale(10, 10); canvas->drawImage(bitmap.asImage(), 0, 0); *pixmap.writable_addr8(2, 2) = 0; // bitmap.installPixels(pixmap); // uncomment to fix on GPU canvas->drawImage(bitmap.asImage(), 10, 0); } } // END FIDDLE