source: libpipi/trunk/pipi/pipi.c

Last change on this file was 2902, checked in by Sam Hocevar, 11 years ago

Support C99 types on Win32 through the same hacks as in libcaca.

File size: 2.0 KB
Line 
1/*
2 *  libpipi       Pathetic image processing interface library
3 *  Copyright (c) 2004-2008 Sam Hocevar <sam@zoy.org>
4 *                All Rights Reserved
5 *
6 *  $Id$
7 *
8 *  This library is free software. It comes without any warranty, to
9 *  the extent permitted by applicable law. You can redistribute it
10 *  and/or modify it under the terms of the Do What The Fuck You Want
11 *  To Public License, Version 2, as published by Sam Hocevar. See
12 *  http://sam.zoy.org/wtfpl/COPYING for more details.
13 */
14
15/*
16 * pipi.c: core library routines
17 */
18
19#include "config.h"
20
21#include <stdio.h>
22#include <stdlib.h>
23#include <string.h>
24
25#include "pipi.h"
26#include "pipi_internals.h"
27
28/** \brief Return the \e libpipi version.
29 *
30 *  Return a read-only string with the \e libpipi version information.
31 *
32 *  This function never fails.
33 *
34 *  \return The \e libpipi version information.
35 */
36char const * pipi_get_version(void)
37{
38    return PACKAGE_VERSION;
39}
40
41/*
42static int init = 0;
43
44void _pipi_init(void)
45{
46    if(init)
47        return;
48
49    _pipi_init_pixels();
50}
51*/
52
53pipi_image_t *pipi_new(int w, int h)
54{
55    pipi_image_t *img;
56
57    img = malloc(sizeof(pipi_image_t));
58    memset(img, 0, sizeof(pipi_image_t));
59
60    img->w = w;
61    img->h = h;
62    img->last_modified = PIPI_PIXELS_UNINITIALISED;
63    img->codec_format = PIPI_PIXELS_UNINITIALISED;
64
65    img->wrap = 0;
66    img->u8 = 1;
67
68    return img;
69}
70
71pipi_image_t *pipi_copy(pipi_image_t *src)
72{
73    pipi_image_t *dst = pipi_new(src->w, src->h);
74
75    /* Copy properties */
76    dst->wrap = src->wrap;
77    dst->u8 = src->u8;
78
79    /* Copy pixels, if any */
80    if(src->last_modified != PIPI_PIXELS_UNINITIALISED)
81    {
82        pipi_pixels_t *srcp, *dstp;
83
84        srcp = &src->p[src->last_modified];
85        dstp = &dst->p[src->last_modified];
86
87        memcpy(dstp, srcp, sizeof(pipi_pixels_t));
88        dstp->pixels = malloc(dstp->bytes);
89        memcpy(dstp->pixels, srcp->pixels, dstp->bytes);
90
91        dst->last_modified = src->last_modified;
92    }
93
94    return dst;
95}
96
Note: See TracBrowser for help on using the repository browser.