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- // 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->drawBitmap(bitmap, 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->drawBitmap(bitmap, 2, 2);
- }
- SkPixmap bluePixmap(imageInfo, &blue565, imageInfo.minRowBytes());
- if (bitmap.writePixels(bluePixmap, 0, 0)) {
- canvas->drawBitmap(bitmap, 4, 4);
- }
- }
- } // END FIDDLE
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