1cb93a386Sopenharmony_ci// Copyright 2019 Google LLC. 2cb93a386Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. 3cb93a386Sopenharmony_ci#include "tools/fiddle/examples.h" 4cb93a386Sopenharmony_ci// HASH=7822d78f5cacf5c04267cbbc6c6d0b80 5cb93a386Sopenharmony_ciREG_FIDDLE(Pixmap_writable_addrF16, 256, 64, false, 0) { 6cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) { 7cb93a386Sopenharmony_ci SkImageInfo info = SkImageInfo::Make(1, 2, kRGBA_F16_SkColorType, kPremul_SkAlphaType); 8cb93a386Sopenharmony_ci uint16_t storage[2][4]; 9cb93a386Sopenharmony_ci SkPixmap pixmap(info, storage[0], sizeof(uint64_t)); 10cb93a386Sopenharmony_ci SkIRect topPixelBounds = {0, 0, 1, 1}; 11cb93a386Sopenharmony_ci pixmap.erase({ 0.65f, 0.45f, 0.25f, 1 }, &topPixelBounds); 12cb93a386Sopenharmony_ci SkIRect bottomPixelBounds = {0, 1, 1, 2}; 13cb93a386Sopenharmony_ci pixmap.erase({ 0.25f, 0.65f, 0.45f, 1 }, &bottomPixelBounds); 14cb93a386Sopenharmony_ci SkBitmap bitmap; 15cb93a386Sopenharmony_ci canvas->scale(20, 20); 16cb93a386Sopenharmony_ci bitmap.installPixels(pixmap); 17cb93a386Sopenharmony_ci canvas->drawImage(bitmap.asImage(), 0, 0); 18cb93a386Sopenharmony_ci uint16_t* pixel2 = pixmap.writable_addrF16(0, 1); 19cb93a386Sopenharmony_ci for (int i = 0; i < 4; ++i) { 20cb93a386Sopenharmony_ci pixel2[i] = storage[0][i]; 21cb93a386Sopenharmony_ci } 22cb93a386Sopenharmony_ci bitmap.installPixels(pixmap); 23cb93a386Sopenharmony_ci canvas->drawImage(bitmap.asImage(), 4, 0); 24cb93a386Sopenharmony_ci} 25cb93a386Sopenharmony_ci} // END FIDDLE 26