| 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=809284db136748208b3efc31cd89de29 |
| Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Pixmap_writable_addr8, 256, 64, false, 0) { |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
| 7 | uint8_t storage[][5] = {{ 0, 0, 64, 0, 0}, |
| 8 | { 0, 128, 255, 128, 0}, |
| 9 | {64, 255, 255, 255, 64}, |
| 10 | { 0, 128, 255, 128, 0}, |
| 11 | { 0, 0, 64, 0, 0}}; |
| 12 | SkImageInfo imageInfo = SkImageInfo::Make(5, 5, kGray_8_SkColorType, kPremul_SkAlphaType); |
| 13 | SkPixmap pixmap(imageInfo, storage[0], 5); |
| 14 | SkBitmap bitmap; |
| 15 | bitmap.installPixels(pixmap); |
| 16 | canvas->scale(10, 10); |
| 17 | canvas->drawBitmap(bitmap, 0, 0); |
| 18 | *pixmap.writable_addr8(2, 2) = 0; |
| 19 | // bitmap.installPixels(pixmap); // uncomment to fix on GPU |
| 20 | canvas->drawBitmap(bitmap, 10, 0); |
| 21 | } |
| 22 | } // END FIDDLE |