--- /dev/null
+/*
+ * 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_SCANLINE_H__
+#define __VS_SCANLINE_H__
+
+#include <_stdint.h>
+
+void vs_scanline_downsample_Y (uint8_t *dest, uint8_t *src, int n);
+void vs_scanline_resample_nearest_Y (uint8_t *dest, uint8_t *src, int n, int src_width, int *accumulator, int increment);
+void vs_scanline_resample_linear_Y (uint8_t *dest, uint8_t *src, int n, int src_width, int *accumulator, int increment);
+void vs_scanline_merge_linear_Y (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
+
+void vs_scanline_downsample_RGBA (uint8_t *dest, uint8_t *src, int n);
+void vs_scanline_resample_nearest_RGBA (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
+void vs_scanline_resample_linear_RGBA (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
+void vs_scanline_merge_linear_RGBA (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
+
+void vs_scanline_downsample_RGB (uint8_t *dest, uint8_t *src, int n);
+void vs_scanline_resample_nearest_RGB (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
+void vs_scanline_resample_linear_RGB (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
+void vs_scanline_merge_linear_RGB (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
+
+void vs_scanline_downsample_YUYV (uint8_t *dest, uint8_t *src, int n);
+void vs_scanline_resample_nearest_YUYV (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
+void vs_scanline_resample_linear_YUYV (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
+void vs_scanline_merge_linear_YUYV (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
+
+void vs_scanline_downsample_UYVY (uint8_t *dest, uint8_t *src, int n);
+void vs_scanline_resample_nearest_UYVY (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
+void vs_scanline_resample_linear_UYVY (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
+void vs_scanline_merge_linear_UYVY (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
+
+void vs_scanline_downsample_RGB565 (uint8_t *dest, uint8_t *src, int n);
+void vs_scanline_resample_nearest_RGB565 (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
+void vs_scanline_resample_linear_RGB565 (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
+void vs_scanline_merge_linear_RGB565 (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
+
+void vs_scanline_downsample_RGB555 (uint8_t *dest, uint8_t *src, int n);
+void vs_scanline_resample_nearest_RGB555 (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
+void vs_scanline_resample_linear_RGB555 (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
+void vs_scanline_merge_linear_RGB555 (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
+
+void vs_scanline_downsample_Y16 (uint8_t *dest, uint8_t *src, int n);
+void vs_scanline_resample_nearest_Y16 (uint8_t *dest, uint8_t *src, int n, int src_width, int *accumulator, int increment);
+void vs_scanline_resample_linear_Y16 (uint8_t *dest, uint8_t *src, int n, int src_width, int *accumulator, int increment);
+void vs_scanline_merge_linear_Y16 (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
+
+void vs_scanline_resample_nearest_AYUV64 (uint8_t * dest, uint8_t * src,
+ int src_width, int n, int *accumulator, int increment);
+void vs_scanline_resample_linear_AYUV64 (uint8_t * dest, uint8_t * src,
+ int src_width, int n, int *accumulator, int increment);
+
+#endif
+