Leptonica  1.82.0
Image processing and image analysis suite
pngiostub.c
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1 /*====================================================================*
2  - Copyright (C) 2001 Leptonica. All rights reserved.
3  -
4  - Redistribution and use in source and binary forms, with or without
5  - modification, are permitted provided that the following conditions
6  - are met:
7  - 1. Redistributions of source code must retain the above copyright
8  - notice, this list of conditions and the following disclaimer.
9  - 2. Redistributions in binary form must reproduce the above
10  - copyright notice, this list of conditions and the following
11  - disclaimer in the documentation and/or other materials
12  - provided with the distribution.
13  -
14  - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15  - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16  - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17  - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY
18  - CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21  - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22  - OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
23  - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24  - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *====================================================================*/
26 
35 #ifdef HAVE_CONFIG_H
36 #include <config_auto.h>
37 #endif /* HAVE_CONFIG_H */
38 
39 #include "allheaders.h"
40 
41 /* --------------------------------------------*/
42 #if !HAVE_LIBPNG /* defined in environ.h */
43 /* --------------------------------------------*/
44 
45 PIX * pixReadStreamPng(FILE *fp)
46 {
47  return (PIX * )ERROR_PTR("function not present", "pixReadStreamPng", NULL);
48 }
49 
50 /* ----------------------------------------------------------------------*/
51 
52 l_ok readHeaderPng(const char *filename, l_int32 *pwidth, l_int32 *pheight,
53  l_int32 *pbps, l_int32 *pspp, l_int32 *piscmap)
54 {
55  return ERROR_INT("function not present", "readHeaderPng", 1);
56 }
57 
58 /* ----------------------------------------------------------------------*/
59 
60 l_ok freadHeaderPng(FILE *fp, l_int32 *pwidth, l_int32 *pheight,
61  l_int32 *pbps, l_int32 *pspp, l_int32 *piscmap)
62 {
63  return ERROR_INT("function not present", "freadHeaderPng", 1);
64 }
65 
66 /* ----------------------------------------------------------------------*/
67 
68 l_ok readHeaderMemPng(const l_uint8 *data, size_t size, l_int32 *pwidth,
69  l_int32 *pheight, l_int32 *pbps, l_int32 *pspp,
70  l_int32 *piscmap)
71 {
72  return ERROR_INT("function not present", "readHeaderMemPng", 1);
73 }
74 
75 /* ----------------------------------------------------------------------*/
76 
77 l_int32 fgetPngResolution(FILE *fp, l_int32 *pxres, l_int32 *pyres)
78 {
79  return ERROR_INT("function not present", "fgetPngResolution", 1);
80 }
81 
82 /* ----------------------------------------------------------------------*/
83 
84 l_ok isPngInterlaced(const char *filename, l_int32 *pinterlaced)
85 {
86  return ERROR_INT("function not present", "isPngInterlaced", 1);
87 }
88 
89 /* ----------------------------------------------------------------------*/
90 
91 l_ok fgetPngColormapInfo(FILE *fp, PIXCMAP **pcmap, l_int32 *ptransparency)
92 {
93  return ERROR_INT("function not present", "fgetPngColormapInfo", 1);
94 }
95 
96 /* ----------------------------------------------------------------------*/
97 
98 l_ok pixWritePng(const char *filename, PIX *pix, l_float32 gamma)
99 {
100  return ERROR_INT("function not present", "pixWritePng", 1);
101 }
102 
103 /* ----------------------------------------------------------------------*/
104 
105 l_ok pixWriteStreamPng(FILE *fp, PIX *pix, l_float32 gamma)
106 {
107  return ERROR_INT("function not present", "pixWriteStreamPng", 1);
108 }
109 
110 /* ----------------------------------------------------------------------*/
111 
112 l_ok pixSetZlibCompression(PIX *pix, l_int32 compval)
113 
114 {
115  return ERROR_INT("function not present", "pixSetZlibCompression", 1);
116 }
117 
118 /* ----------------------------------------------------------------------*/
119 
120 void l_pngSetReadStrip16To8(l_int32 flag)
121 {
122  L_ERROR("function not present\n", "l_pngSetReadStrip16To8");
123  return;
124 }
125 
126 /* ----------------------------------------------------------------------*/
127 
128 PIX * pixReadMemPng(const l_uint8 *filedata, size_t filesize)
129 {
130  return (PIX * )ERROR_PTR("function not present", "pixReadMemPng", NULL);
131 }
132 
133 /* ----------------------------------------------------------------------*/
134 
135 l_ok pixWriteMemPng(l_uint8 **pfiledata, size_t *pfilesize, PIX *pix,
136  l_float32 gamma)
137 {
138  return ERROR_INT("function not present", "pixWriteMemPng", 1);
139 }
140 
141 /* --------------------------------------------*/
142 #endif /* !HAVE_LIBPNG */
143 /* --------------------------------------------*/
l_ok readHeaderPng(const char *filename, l_int32 *pw, l_int32 *ph, l_int32 *pbps, l_int32 *pspp, l_int32 *piscmap)
readHeaderPng()
Definition: pngio.c:575
PIX * pixReadMemPng(const l_uint8 *filedata, size_t filesize)
pixReadMemPng()
Definition: pngio.c:1595
l_ok isPngInterlaced(const char *filename, l_int32 *pinterlaced)
isPngInterlaced()
Definition: pngio.c:827
l_ok readHeaderMemPng(const l_uint8 *data, size_t size, l_int32 *pw, l_int32 *ph, l_int32 *pbps, l_int32 *pspp, l_int32 *piscmap)
readHeaderMemPng()
Definition: pngio.c:676
l_ok pixSetZlibCompression(PIX *pix, l_int32 compval)
pixSetZlibCompression()
Definition: pngio.c:1325
l_ok pixWriteStreamPng(FILE *fp, PIX *pix, l_float32 gamma)
pixWriteStreamPng()
Definition: pngio.c:1072
l_ok freadHeaderPng(FILE *fp, l_int32 *pw, l_int32 *ph, l_int32 *pbps, l_int32 *pspp, l_int32 *piscmap)
freadHeaderPng()
Definition: pngio.c:619
void l_pngSetReadStrip16To8(l_int32 flag)
l_pngSetReadStrip16To8()
Definition: pngio.c:1352
PIX * pixReadStreamPng(FILE *fp)
pixReadStreamPng()
Definition: pngio.c:187
l_ok pixWriteMemPng(l_uint8 **pfiledata, size_t *pfilesize, PIX *pix, l_float32 gamma)
pixWriteMemPng()
Definition: pngio.c:1986
l_ok pixWritePng(const char *filename, PIX *pix, l_float32 gamma)
pixWritePng()
Definition: pngio.c:972
Definition: pix.h:139