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=947922a19d59893fe7f9d9ee1954379b |
Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Color_Type_RGBA_8888, 256, 96, false, 0) { |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
| 7 | canvas->scale(16, 16); |
| 8 | SkBitmap bitmap; |
| 9 | SkImageInfo imageInfo = SkImageInfo::Make(2, 2, kRGBA_8888_SkColorType, kPremul_SkAlphaType); |
| 10 | bitmap.allocPixels(imageInfo); |
| 11 | SkCanvas offscreen(bitmap); |
| 12 | offscreen.clear(SK_ColorGREEN); |
Mike Reed | e1f72f9 | 2021-01-27 17:09:40 -0500 | [diff] [blame] | 13 | canvas->drawImage(bitmap.asImage(), 0, 0); |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 14 | auto pack8888 = [](unsigned a, unsigned r, unsigned g, unsigned b) -> uint32_t { |
| 15 | return (r << 0) | (g << 8) | (b << 16) | (a << 24); |
| 16 | }; |
| 17 | uint32_t red8888[] = { pack8888(0xFF, 0xFF, 0x0, 0x0), pack8888(0xFF, 0xbb, 0x0, 0x0), |
| 18 | pack8888(0xFF, 0x77, 0x0, 0x0), pack8888(0xFF, 0x33, 0x0, 0x0) }; |
| 19 | uint32_t blue8888[] = { pack8888(0xFF, 0x0, 0x0, 0x0FF), pack8888(0xFF, 0x0, 0x0, 0x0bb), |
| 20 | pack8888(0xFF, 0x0, 0x0, 0x077), pack8888(0xFF, 0x0, 0x0, 0x033) }; |
| 21 | SkPixmap redPixmap(imageInfo, &red8888, imageInfo.minRowBytes()); |
| 22 | if (bitmap.writePixels(redPixmap, 0, 0)) { |
Mike Reed | e1f72f9 | 2021-01-27 17:09:40 -0500 | [diff] [blame] | 23 | canvas->drawImage(bitmap.asImage(), 2, 2); |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 24 | } |
| 25 | SkPixmap bluePixmap(imageInfo, &blue8888, imageInfo.minRowBytes()); |
| 26 | if (bitmap.writePixels(bluePixmap, 0, 0)) { |
Mike Reed | e1f72f9 | 2021-01-27 17:09:40 -0500 | [diff] [blame] | 27 | canvas->drawImage(bitmap.asImage(), 4, 4); |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 28 | } |
| 29 | } |
| 30 | } // END FIDDLE |