| 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=818e4e1191e39d2a642902cbf253b399 |
| Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(ImageInfo_computeOffset, 256, 128, false, 0) { |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
| 7 | uint8_t pixels[][12] = { { 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00}, |
| 8 | { 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00}, |
| 9 | { 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00}, |
| 10 | { 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF}, |
| 11 | { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, |
| 12 | { 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00}, |
| 13 | { 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00}, |
| 14 | { 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00} }; |
| 15 | SkImageInfo imageInfo = SkImageInfo::MakeA8(8, 8); |
| 16 | SkBitmap bitmap; |
| 17 | bitmap.installPixels(imageInfo, (void*) pixels, sizeof(pixels[0])); |
| 18 | SkPaint paint; |
| 19 | paint.setColor(SK_ColorRED); |
| 20 | canvas->drawBitmapRect(bitmap, SkRect::MakeWH(8, 8), SkRect::MakeWH(32, 32), &paint); |
| 21 | size_t offset = imageInfo.computeOffset(2, 3, sizeof(pixels[0])); |
| 22 | pixels[0][offset] = 0x7F; |
| 23 | offset = imageInfo.computeOffset(5, 3, sizeof(pixels[0])); |
| 24 | pixels[0][offset] = 0x7F; |
| 25 | bitmap.installPixels(imageInfo, (void*) pixels, sizeof(pixels[0])); |
| 26 | canvas->drawBitmapRect(bitmap, SkRect::MakeWH(8, 8), SkRect::MakeWH(128, 128), &paint); |
| 27 | } |
| 28 | } // END FIDDLE |