| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 1 | // Copyright 2019 Google LLC. |
| 2 | // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. |
| Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 3 | #include "tools/fiddle/examples.h" |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 4 | // HASH=74ef460f89ed5904334d0f8883e781c4 |
| Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Pixmap_writable_addr, 256, 256, true, 0) { |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
| 7 | const int w = 4; |
| 8 | const int h = 4; |
| 9 | SkPMColor storage[w * h * 4]; |
| 10 | SkPixmap pixmap(SkImageInfo::MakeN32(w, h, kPremul_SkAlphaType), storage, w * 4); |
| 11 | SkDebugf("pixmap.writable_addr() %c= (void *)storage\n", |
| 12 | pixmap.writable_addr() == (void *)storage ? '=' : '!'); |
| 13 | pixmap.erase(0x00000000); |
| 14 | *(SkPMColor*)pixmap.writable_addr() = 0xFFFFFFFF; |
| 15 | SkDebugf("pixmap.getColor(0, 1) %c= 0x00000000\n", |
| 16 | pixmap.getColor(0, 1) == 0x00000000 ? '=' : '!'); |
| 17 | SkDebugf("pixmap.getColor(0, 0) %c= 0xFFFFFFFF\n", |
| 18 | pixmap.getColor(0, 0) == 0xFFFFFFFF ? '=' : '!'); |
| 19 | } |
| 20 | } // END FIDDLE |