| Hal Canary | 83c2f70 | 2019-03-07 14:53:03 -0500 | [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. |
| 3 | #include "fiddle/examples.h" |
| 4 | // HASH=1282dc1127ce1b0061544619ae4de0f0 |
| 5 | REG_FIDDLE(ImageInfo_009, 256, 96, false, 0) { |
| 6 | void draw(SkCanvas* canvas) { |
| 7 | canvas->scale(16, 16); |
| 8 | SkBitmap bitmap; |
| 9 | SkImageInfo imageInfo = SkImageInfo::Make(2, 2, kRGBA_1010102_SkColorType, kOpaque_SkAlphaType); |
| 10 | bitmap.allocPixels(imageInfo); |
| 11 | SkCanvas offscreen(bitmap); |
| 12 | offscreen.clear(SK_ColorGREEN); |
| 13 | canvas->drawBitmap(bitmap, 0, 0); |
| 14 | auto pack1010102 = [](unsigned r, unsigned g, unsigned b, unsigned a) -> uint32_t { |
| 15 | return (r << 0) | (g << 10) | (b << 20) | (a << 30); |
| 16 | }; |
| 17 | uint32_t redBits[] = { pack1010102(0x3FF, 0x000, 0x000, 0x3), |
| 18 | pack1010102(0x2ff, 0x000, 0x000, 0x3), |
| 19 | pack1010102(0x1ff, 0x000, 0x000, 0x3), |
| 20 | pack1010102(0x0ff, 0x000, 0x000, 0x3) }; |
| 21 | uint32_t blueBits[] = { pack1010102(0x000, 0x000, 0x3FF, 0x3), |
| 22 | pack1010102(0x000, 0x000, 0x2ff, 0x3), |
| 23 | pack1010102(0x000, 0x000, 0x1ff, 0x3), |
| 24 | pack1010102(0x000, 0x000, 0x0ff, 0x3) }; |
| 25 | if (bitmap.installPixels(imageInfo, (void*) redBits, imageInfo.minRowBytes())) { |
| 26 | canvas->drawBitmap(bitmap, 2, 2); |
| 27 | } |
| 28 | SkPixmap bluePixmap(imageInfo, &blueBits, imageInfo.minRowBytes()); |
| 29 | if (bitmap.installPixels(imageInfo, (void*) blueBits, imageInfo.minRowBytes())) { |
| 30 | canvas->drawBitmap(bitmap, 4, 4); |
| 31 | } |
| 32 | } |
| 33 | } // END FIDDLE |