| /* |
| * 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 <glib.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; |
| gsize stride; |
| }; |
| |
| G_GNUC_INTERNAL void vs_image_scale_nearest_RGBA (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| G_GNUC_INTERNAL void vs_image_scale_linear_RGBA (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| |
| G_GNUC_INTERNAL void vs_image_scale_lanczos_AYUV (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf, |
| double sharpness, |
| gboolean dither, |
| int submethod, |
| double a, |
| double sharpen); |
| |
| G_GNUC_INTERNAL void vs_image_scale_lanczos_AYUV64 (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf, |
| double sharpness, |
| gboolean dither, |
| int submethod, |
| double a, |
| double sharpen); |
| |
| |
| G_GNUC_INTERNAL void vs_image_scale_nearest_RGB (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| G_GNUC_INTERNAL void vs_image_scale_linear_RGB (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| |
| G_GNUC_INTERNAL void vs_image_scale_nearest_YUYV (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| G_GNUC_INTERNAL void vs_image_scale_linear_YUYV (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| |
| G_GNUC_INTERNAL void vs_image_scale_nearest_UYVY (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| G_GNUC_INTERNAL void vs_image_scale_linear_UYVY (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| |
| G_GNUC_INTERNAL void vs_image_scale_nearest_NV12 (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| G_GNUC_INTERNAL void vs_image_scale_linear_NV12 (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| |
| G_GNUC_INTERNAL void vs_image_scale_nearest_Y (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| G_GNUC_INTERNAL void vs_image_scale_linear_Y (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| G_GNUC_INTERNAL void vs_image_scale_lanczos_Y (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf, |
| double sharpness, |
| gboolean dither, |
| int submethod, |
| double a, |
| double sharpen); |
| |
| |
| G_GNUC_INTERNAL void vs_image_scale_nearest_RGB565 (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| G_GNUC_INTERNAL void vs_image_scale_linear_RGB565 (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| |
| G_GNUC_INTERNAL void vs_image_scale_nearest_RGB555 (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| G_GNUC_INTERNAL void vs_image_scale_linear_RGB555 (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| |
| G_GNUC_INTERNAL void vs_image_scale_nearest_Y16 (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| G_GNUC_INTERNAL void vs_image_scale_linear_Y16 (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| |
| G_GNUC_INTERNAL void vs_image_scale_nearest_AYUV16 (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| G_GNUC_INTERNAL void vs_image_scale_linear_AYUV16 (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf); |
| |
| |
| G_GNUC_INTERNAL void vs_image_scale_nearest_AYUV64 (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf8); |
| |
| G_GNUC_INTERNAL void vs_image_scale_linear_AYUV64 (const VSImage * dest, |
| const VSImage * src, |
| uint8_t * tmpbuf8); |
| |
| #endif |
| |