| // 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=33a360c3404ac21db801943336843d8e |
| REG_FIDDLE(Color_Type_ARGB_4444, 256, 96, false, 0) { |
| void draw(SkCanvas* canvas) { |
| canvas->scale(16, 16); |
| SkBitmap bitmap; |
| SkImageInfo imageInfo = SkImageInfo::Make(2, 2, kARGB_4444_SkColorType, kPremul_SkAlphaType); |
| bitmap.allocPixels(imageInfo); |
| SkCanvas offscreen(bitmap); |
| offscreen.clear(SK_ColorGREEN); |
| canvas->drawBitmap(bitmap, 0, 0); |
| auto pack4444 = [](unsigned a, unsigned r, unsigned g, unsigned b) -> uint16_t { |
| return (a << 0) | (b << 4) | (g << 8) | (r << 12); |
| }; |
| uint16_t red4444[] = { pack4444(0xF, 0xF, 0x0, 0x0), pack4444(0xF, 0xb, 0x0, 0x0), |
| pack4444(0xF, 0x7, 0x0, 0x0), pack4444(0xF, 0x3, 0x0, 0x0) }; |
| uint16_t blue4444[] = { pack4444(0xF, 0x0, 0x0, 0xF), pack4444(0xF, 0x0, 0x0, 0xb), |
| pack4444(0xF, 0x0, 0x0, 0x7), pack4444(0xF, 0x0, 0x0, 0x3) }; |
| SkPixmap redPixmap(imageInfo, &red4444, imageInfo.minRowBytes()); |
| if (bitmap.writePixels(redPixmap, 0, 0)) { |
| canvas->drawBitmap(bitmap, 2, 2); |
| } |
| SkPixmap bluePixmap(imageInfo, &blue4444, imageInfo.minRowBytes()); |
| if (bitmap.writePixels(bluePixmap, 0, 0)) { |
| canvas->drawBitmap(bitmap, 4, 4); |
| } |
| } |
| } // END FIDDLE |