/* * Copyright (c) 2016, Linaro Limited * 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. * * 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 HOLDER 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. */ #ifndef __IMAGE_H #define __IMAGE_H #include /* * Selection of values and names from * https://en.wikipedia.org/wiki/X11_color_names * * The top byte is the alpha channel */ #define COLOR_RGB_BLACK 0x00000000 #define COLOR_RGB_BLUE 0x000000FF #define COLOR_RGB_CYAN 0x0000FFFF #define COLOR_RGB_DARK_GRAY 0x00A9A9A9 #define COLOR_RGB_DARK_GREEN 0x00006a00 #define COLOR_RGB_DARK_RED 0x008B0000 #define COLOR_RGB_DARK_TURQUOISE 0x008B0000 #define COLOR_RGB_GRAY 0x00BEBEBE #define COLOR_RGB_GREEN 0x0000FF00 #define COLOR_RGB_LIGHT_GOLDENROD 0x00FAFAD2 #define COLOR_RGB_LIGHT_GRAY 0x00D3D3D3 #define COLOR_RGB_RED 0x00FF0000 #define COLOR_RGB_WHITE 0x00FFFFFF #define COLOR_RGB_YELLOW 0x00FFFF00 struct image { size_t height; size_t width; void *buf; size_t blen; }; struct image *image_alloc(size_t width, size_t height, uint32_t color); void image_free(struct image *image); void *image_get_pixel_ptr(struct image *image, size_t x, size_t y); bool image_set_pixel(struct image *image, size_t x, size_t y, uint32_t color); bool image_set_border(struct image *image, size_t size, uint32_t color); bool image_set_circle(struct image *image, size_t xc, size_t yc, size_t r, uint32_t color); bool image_set_ring(struct image *image, size_t xc, size_t yc, size_t small_r, size_t big_r, uint32_t color); bool image_set_rectangle(struct image *image, size_t x, size_t y, size_t width, size_t height, uint32_t color); bool image_set_line(struct image *image, size_t x1, size_t y1, size_t x2, size_t y2, uint32_t color); bool image_set_png(struct image *image, size_t x, size_t y, const void *data, size_t data_len); #endif /*__IMAGE_H*/