| // 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=1282dc1127ce1b0061544619ae4de0f0 |
| REG_FIDDLE(Color_Type_RGBA_1010102, 256, 96, false, 0) { |
| void draw(SkCanvas* canvas) { |
| canvas->scale(16, 16); |
| SkBitmap bitmap; |
| SkImageInfo imageInfo = SkImageInfo::Make(2, 2, kRGBA_1010102_SkColorType, kOpaque_SkAlphaType); |
| bitmap.allocPixels(imageInfo); |
| SkCanvas offscreen(bitmap); |
| offscreen.clear(SK_ColorGREEN); |
| canvas->drawBitmap(bitmap, 0, 0); |
| auto pack1010102 = [](unsigned r, unsigned g, unsigned b, unsigned a) -> uint32_t { |
| return (r << 0) | (g << 10) | (b << 20) | (a << 30); |
| }; |
| uint32_t redBits[] = { pack1010102(0x3FF, 0x000, 0x000, 0x3), |
| pack1010102(0x2ff, 0x000, 0x000, 0x3), |
| pack1010102(0x1ff, 0x000, 0x000, 0x3), |
| pack1010102(0x0ff, 0x000, 0x000, 0x3) }; |
| uint32_t blueBits[] = { pack1010102(0x000, 0x000, 0x3FF, 0x3), |
| pack1010102(0x000, 0x000, 0x2ff, 0x3), |
| pack1010102(0x000, 0x000, 0x1ff, 0x3), |
| pack1010102(0x000, 0x000, 0x0ff, 0x3) }; |
| if (bitmap.installPixels(imageInfo, (void*) redBits, imageInfo.minRowBytes())) { |
| canvas->drawBitmap(bitmap, 2, 2); |
| } |
| SkPixmap bluePixmap(imageInfo, &blueBits, imageInfo.minRowBytes()); |
| if (bitmap.installPixels(imageInfo, (void*) blueBits, imageInfo.minRowBytes())) { |
| canvas->drawBitmap(bitmap, 4, 4); |
| } |
| } |
| } // END FIDDLE |