/* * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of Hyra nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include int main(void) { int fb_fd, fbattr_fd, prot; size_t fb_size; uint32_t *framep; struct fbattr fbattr; struct kfg_window root_win, test_win; fb_fd = open("/dev/fb0", O_RDWR); if (fb_fd < 0) { return fb_fd; } fbattr_fd = open("/ctl/fb0/attr", O_RDONLY); if (fbattr_fd < 0) { close(fb_fd); return fbattr_fd; } read(fbattr_fd, &fbattr, sizeof(fbattr)); close(fbattr_fd); fb_size = fbattr.height * fbattr.pitch; prot = PROT_READ | PROT_WRITE; framep = mmap(NULL, fb_size, prot, MAP_SHARED, fb_fd, 0); root_win.x = 0; root_win.y = 0; root_win.width = fbattr.width; root_win.height = fbattr.height; root_win.fb_pitch = fbattr.pitch; root_win.framebuf = framep; root_win.bg = KFG_RED; root_win.border_bg = KFG_RED; test_win.x = 150; test_win.y = 85; test_win.width = 425; test_win.height = 350; test_win.fb_pitch = fbattr.pitch; test_win.framebuf = framep; test_win.bg = KFG_DARK; test_win.border_bg = KFG_RED; kfg_win_draw(&root_win, &test_win); for (;;); }