1 /* 2 * Image Scaling Functions 3 * Copyright (c) 2005 David A. Schleef <ds@schleef.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef __VS_IMAGE_H__ 29 #define __VS_IMAGE_H__ 30 31 #include <liboil/liboil-stdint.h> 32 33 typedef struct _VSImage VSImage; 34 35 struct _VSImage { 36 uint8_t *pixels; 37 int width; 38 int height; 39 int stride; 40 }; 41 42 void vs_image_scale_nearest_RGBA (const VSImage *dest, const VSImage *src, 43 uint8_t *tmpbuf); 44 void vs_image_scale_linear_RGBA (const VSImage *dest, const VSImage *src, 45 uint8_t *tmpbuf); 46 47 void vs_image_scale_nearest_RGB (const VSImage *dest, const VSImage *src, 48 uint8_t *tmpbuf); 49 void vs_image_scale_linear_RGB (const VSImage *dest, const VSImage *src, 50 uint8_t *tmpbuf); 51 52 void vs_image_scale_nearest_YUYV (const VSImage *dest, const VSImage *src, 53 uint8_t *tmpbuf); 54 void vs_image_scale_linear_YUYV (const VSImage *dest, const VSImage *src, 55 uint8_t *tmpbuf); 56 57 void vs_image_scale_nearest_UYVY (const VSImage *dest, const VSImage *src, 58 uint8_t *tmpbuf); 59 void vs_image_scale_linear_UYVY (const VSImage *dest, const VSImage *src, 60 uint8_t *tmpbuf); 61 62 void vs_image_scale_nearest_Y (const VSImage *dest, const VSImage *src, 63 uint8_t *tmpbuf); 64 void vs_image_scale_linear_Y (const VSImage *dest, const VSImage *src, 65 uint8_t *tmpbuf); 66 67 void vs_image_scale_nearest_RGB565 (const VSImage *dest, const VSImage *src, 68 uint8_t *tmpbuf); 69 void vs_image_scale_linear_RGB565 (const VSImage *dest, const VSImage *src, 70 uint8_t *tmpbuf); 71 72 void vs_image_scale_nearest_RGB555 (const VSImage *dest, const VSImage *src, 73 uint8_t *tmpbuf); 74 void vs_image_scale_linear_RGB555 (const VSImage *dest, const VSImage *src, 75 uint8_t *tmpbuf); 76 77 #endif 78 79