| 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=7822d78f5cacf5c04267cbbc6c6d0b80 |
| Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Pixmap_writable_addrF16, 256, 64, false, 0) { |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
| 7 | SkImageInfo info = SkImageInfo::Make(1, 2, kRGBA_F16_SkColorType, kPremul_SkAlphaType); |
| 8 | uint16_t storage[2][4]; |
| 9 | SkPixmap pixmap(info, storage[0], sizeof(uint64_t)); |
| 10 | SkIRect topPixelBounds = {0, 0, 1, 1}; |
| 11 | pixmap.erase({ 0.65f, 0.45f, 0.25f, 1 }, &topPixelBounds); |
| 12 | SkIRect bottomPixelBounds = {0, 1, 1, 2}; |
| 13 | pixmap.erase({ 0.25f, 0.65f, 0.45f, 1 }, &bottomPixelBounds); |
| 14 | SkBitmap bitmap; |
| 15 | canvas->scale(20, 20); |
| 16 | bitmap.installPixels(pixmap); |
| 17 | canvas->drawBitmap(bitmap, 0, 0); |
| 18 | uint16_t* pixel2 = pixmap.writable_addrF16(0, 1); |
| 19 | for (int i = 0; i < 4; ++i) { |
| 20 | pixel2[i] = storage[0][i]; |
| 21 | } |
| 22 | bitmap.installPixels(pixmap); |
| 23 | canvas->drawBitmap(bitmap, 4, 0); |
| 24 | } |
| 25 | } // END FIDDLE |