| 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=21ae21e4ce53d2018e042dd457997300 |
| Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Color_Type_Alpha_8, 256, 64, 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, kAlpha_8_SkColorType, kOpaque_SkAlphaType); |
| 10 | bitmap.allocPixels(imageInfo); |
| 11 | SkCanvas offscreen(bitmap); |
| 12 | offscreen.clear(SK_ColorGREEN); |
| 13 | SkPaint orangePaint; |
| 14 | orangePaint.setARGB(0xFF, 0xFF, 0xA5, 0x00); |
| 15 | canvas->drawBitmap(bitmap, 0, 0, &orangePaint); |
| 16 | uint8_t alpha8[] = { 0xFF, 0xBB, 0x77, 0x33 }; |
| 17 | SkPixmap alphaPixmap(imageInfo, &alpha8, imageInfo.minRowBytes()); |
| 18 | if (bitmap.writePixels(alphaPixmap, 0, 0)) { |
| 19 | canvas->drawBitmap(bitmap, 2, 2, &orangePaint); |
| 20 | } |
| 21 | } |
| 22 | } // END FIDDLE |