| // Copyright 2019 Google LLC. |
| // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. |
| #include "tools/fiddle/examples.h" |
| // HASH=21ae21e4ce53d2018e042dd457997300 |
| REG_FIDDLE(Color_Type_Alpha_8, 256, 64, false, 0) { |
| void draw(SkCanvas* canvas) { |
| canvas->scale(16, 16); |
| SkBitmap bitmap; |
| SkImageInfo imageInfo = SkImageInfo::Make(2, 2, kAlpha_8_SkColorType, kOpaque_SkAlphaType); |
| bitmap.allocPixels(imageInfo); |
| SkCanvas offscreen(bitmap); |
| offscreen.clear(SK_ColorGREEN); |
| SkPaint orangePaint; |
| orangePaint.setARGB(0xFF, 0xFF, 0xA5, 0x00); |
| canvas->drawBitmap(bitmap, 0, 0, &orangePaint); |
| uint8_t alpha8[] = { 0xFF, 0xBB, 0x77, 0x33 }; |
| SkPixmap alphaPixmap(imageInfo, &alpha8, imageInfo.minRowBytes()); |
| if (bitmap.writePixels(alphaPixmap, 0, 0)) { |
| canvas->drawBitmap(bitmap, 2, 2, &orangePaint); |
| } |
| } |
| } // END FIDDLE |