| // 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=7e7c46bb4572e21e13529ff364eb0a9c |
| REG_FIDDLE(Color_Type_RGB_565, 256, 96, false, 0) { |
| void draw(SkCanvas* canvas) { |
| canvas->scale(16, 16); |
| SkBitmap bitmap; |
| SkImageInfo imageInfo = SkImageInfo::Make(2, 2, kRGB_565_SkColorType, kOpaque_SkAlphaType); |
| bitmap.allocPixels(imageInfo); |
| SkCanvas offscreen(bitmap); |
| offscreen.clear(SK_ColorGREEN); |
| canvas->drawImage(bitmap.asImage(), 0, 0); |
| auto pack565 = [](unsigned r, unsigned g, unsigned b) -> uint16_t { |
| return (b << 0) | (g << 5) | (r << 11); |
| }; |
| uint16_t red565[] = { pack565(0x1F, 0x00, 0x00), pack565(0x17, 0x00, 0x00), |
| pack565(0x0F, 0x00, 0x00), pack565(0x07, 0x00, 0x00) }; |
| uint16_t blue565[] = { pack565(0x00, 0x00, 0x1F), pack565(0x00, 0x00, 0x17), |
| pack565(0x00, 0x00, 0x0F), pack565(0x00, 0x00, 0x07) }; |
| SkPixmap redPixmap(imageInfo, &red565, imageInfo.minRowBytes()); |
| if (bitmap.writePixels(redPixmap, 0, 0)) { |
| canvas->drawImage(bitmap.asImage(), 2, 2); |
| } |
| SkPixmap bluePixmap(imageInfo, &blue565, imageInfo.minRowBytes()); |
| if (bitmap.writePixels(bluePixmap, 0, 0)) { |
| canvas->drawImage(bitmap.asImage(), 4, 4); |
| } |
| } |
| } // END FIDDLE |
