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.
3 #include "tools/fiddle/examples.h"
4 // HASH=33a360c3404ac21db801943336843d8e
5 REG_FIDDLE(Color_Type_ARGB_4444, 256, 96, false, 0) {
6 void draw(SkCanvas* canvas) {
9 SkImageInfo imageInfo = SkImageInfo::Make(2, 2, kARGB_4444_SkColorType, kPremul_SkAlphaType);
10 bitmap.allocPixels(imageInfo);
11 SkCanvas offscreen(bitmap);
12 offscreen.clear(SK_ColorGREEN);
13 canvas->drawImage(bitmap.asImage(), 0, 0);
14 auto pack4444 = [](unsigned a, unsigned r, unsigned g, unsigned b) -> uint16_t {
15 return (a << 0) | (b << 4) | (g << 8) | (r << 12);
17 uint16_t red4444[] = { pack4444(0xF, 0xF, 0x0, 0x0), pack4444(0xF, 0xb, 0x0, 0x0),
18 pack4444(0xF, 0x7, 0x0, 0x0), pack4444(0xF, 0x3, 0x0, 0x0) };
19 uint16_t blue4444[] = { pack4444(0xF, 0x0, 0x0, 0xF), pack4444(0xF, 0x0, 0x0, 0xb),
20 pack4444(0xF, 0x0, 0x0, 0x7), pack4444(0xF, 0x0, 0x0, 0x3) };
21 SkPixmap redPixmap(imageInfo, &red4444, imageInfo.minRowBytes());
22 if (bitmap.writePixels(redPixmap, 0, 0)) {
23 canvas->drawImage(bitmap.asImage(), 2, 2);
25 SkPixmap bluePixmap(imageInfo, &blue4444, imageInfo.minRowBytes());
26 if (bitmap.writePixels(bluePixmap, 0, 0)) {
27 canvas->drawImage(bitmap.asImage(), 4, 4);