| // 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=559eaca89c765bc8466ea1ba3331d4db |
| REG_FIDDLE(Pixmap_writable_addr_2, 256, 256, true, 0) { |
| void draw(SkCanvas* canvas) { |
| const int w = 4; |
| const int h = 4; |
| SkPMColor storage[w * h * 4]; |
| SkPixmap pixmap(SkImageInfo::MakeN32(w, h, kPremul_SkAlphaType), storage, w * 4); |
| SkDebugf("pixmap.writable_addr() %c= (void *)storage\n", |
| pixmap.writable_addr() == (void *)storage ? '=' : '!'); |
| pixmap.erase(0x00000000); |
| *(SkPMColor*)pixmap.writable_addr(1, 2) = 0xFFFFFFFF; |
| SkDebugf("pixmap.getColor(0, 0) %c= 0x00000000\n", |
| pixmap.getColor(0, 0) == 0x00000000 ? '=' : '!'); |
| SkDebugf("pixmap.getColor(1, 2) %c= 0xFFFFFFFF\n", |
| pixmap.getColor(1, 2) == 0xFFFFFFFF ? '=' : '!'); |
| } |
| } // END FIDDLE |