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/*
* Image Scaling Functions
* Copyright (c) 2005 David A. Schleef <ds@schleef.org>
* 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 AUTHOR ``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 AUTHOR 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 __VS_IMAGE_H__
#define __VS_IMAGE_H__
#include <_stdint.h>
typedef struct _VSImage VSImage;
struct _VSImage {
uint8_t *real_pixels;
int real_width;
int real_height;
int border_left, border_right;
int border_top, border_bottom;
uint8_t *pixels;
int width;
int height;
int stride;
};
void vs_image_scale_nearest_RGBA (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
void vs_image_scale_linear_RGBA (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
void vs_image_scale_nearest_RGB (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
void vs_image_scale_linear_RGB (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
void vs_image_scale_nearest_YUYV (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
void vs_image_scale_linear_YUYV (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
void vs_image_scale_nearest_UYVY (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
void vs_image_scale_linear_UYVY (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
void vs_image_scale_nearest_Y (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
void vs_image_scale_linear_Y (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
void vs_image_scale_nearest_RGB565 (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
void vs_image_scale_linear_RGB565 (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
void vs_image_scale_nearest_RGB555 (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
void vs_image_scale_linear_RGB555 (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
void vs_image_scale_nearest_Y16 (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
void vs_image_scale_linear_Y16 (const VSImage *dest, const VSImage *src,
uint8_t *tmpbuf);
#endif
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