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=193d1f6d8a43b7a8e9f27ba21de38617 |
Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Bitmap_getColor, 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 | SkColor colors[][w] = { |
| 10 | { 0x00000000, 0x2a0e002a, 0x55380055, 0x7f7f007f }, |
| 11 | { 0x2a000e2a, 0x551c1c55, 0x7f542a7f, 0xaaaa38aa }, |
| 12 | { 0x55003855, 0x7f2a547f, 0xaa7171aa, 0xd4d48dd4 }, |
| 13 | { 0x7f007f7f, 0xaa38aaaa, 0xd48dd4d4, 0xffffffff } |
| 14 | }; |
| 15 | SkDebugf("Premultiplied:\n"); |
| 16 | for (int y = 0; y < h; ++y) { |
| 17 | SkDebugf("(0, %d) ", y); |
| 18 | for (int x = 0; x < w; ++x) { |
| 19 | SkDebugf("0x%08x%c", colors[y][x], x == w - 1 ? '\n' : ' '); |
| 20 | } |
| 21 | } |
| 22 | SkPixmap pixmap(SkImageInfo::MakeN32(w, h, kPremul_SkAlphaType), colors, w * 4); |
| 23 | SkBitmap bitmap; |
| 24 | bitmap.installPixels(pixmap); |
| 25 | SkDebugf("Unpremultiplied:\n"); |
| 26 | for (int y = 0; y < h; ++y) { |
| 27 | SkDebugf("(0, %d) ", y); |
| 28 | for (int x = 0; x < w; ++x) { |
| 29 | SkDebugf("0x%08x%c", bitmap.getColor(x, y), x == w - 1 ? '\n' : ' '); |
| 30 | } |
| 31 | } |
| 32 | } |
| 33 | } // END FIDDLE |