1 files changed, 179 insertions, 179 deletions

diff --git a/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/gregbook/readppm.c b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/gregbook/readppm.c
index 1ba2092..be9a56d 100644
--- a/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/gregbook/readppm.c
+++ b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/gregbook/readppm.c
@@ -1,179 +1,179 @@
-/*---------------------------------------------------------------------------

-

-   rpng - simple PNG display program                              readppm.c

-

-  ---------------------------------------------------------------------------

-

-   This is a special-purpose replacement for readpng.c that allows binary

-   PPM files to be used in place of PNG images.

-

-  ---------------------------------------------------------------------------

-

-      Copyright (c) 1998-2007 Greg Roelofs.  All rights reserved.

-

-      This software is provided "as is," without warranty of any kind,

-      express or implied.  In no event shall the author or contributors

-      be held liable for any damages arising in any way from the use of

-      this software.

-

-      The contents of this file are DUAL-LICENSED.  You may modify and/or

-      redistribute this software according to the terms of one of the

-      following two licenses (at your option):

-

-

-      LICENSE 1 ("BSD-like with advertising clause"):

-

-      Permission is granted to anyone to use this software for any purpose,

-      including commercial applications, and to alter it and redistribute

-      it freely, subject to the following restrictions:

-

-      1. Redistributions of source code must retain the above copyright

-         notice, disclaimer, and this list of conditions.

-      2. Redistributions in binary form must reproduce the above copyright

-         notice, disclaimer, and this list of conditions in the documenta-

-         tion and/or other materials provided with the distribution.

-      3. All advertising materials mentioning features or use of this

-         software must display the following acknowledgment:

-

-            This product includes software developed by Greg Roelofs

-            and contributors for the book, "PNG: The Definitive Guide,"

-            published by O'Reilly and Associates.

-

-

-      LICENSE 2 (GNU GPL v2 or later):

-

-      This program is free software; you can redistribute it and/or modify

-      it under the terms of the GNU General Public License as published by

-      the Free Software Foundation; either version 2 of the License, or

-      (at your option) any later version.

-

-      This program is distributed in the hope that it will be useful,

-      but WITHOUT ANY WARRANTY; without even the implied warranty of

-      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

-      GNU General Public License for more details.

-

-      You should have received a copy of the GNU General Public License

-      along with this program; if not, write to the Free Software Foundation,

-      Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

-

-  ---------------------------------------------------------------------------*/

-

-#include <stdio.h>

-#include <stdlib.h>

-

-#include "readpng.h"    /* typedefs, common macros, public prototypes */

-

-

-ulg  width, height;

-int  bit_depth, color_type, channels;

-uch  *image_data = NULL;

-FILE *saved_infile;

-

-

-void readpng_version_info()

-{

-    fprintf(stderr, "   Compiled without libpng, zlib or PBMPLUS/NetPBM.\n");

-}

-

-

-/* return value = 0 for success, 1 for bad sig, 2 for bad IHDR, 4 for no mem */

-

-int readpng_init(FILE *infile, ulg *pWidth, ulg *pHeight)

-{

-    static uch ppmline[256];

-    int maxval;

-

-

-    saved_infile = infile;

-

-    fgets(ppmline, 256, infile);

-    if (ppmline[0] != 'P' || ppmline[1] != '6') {

-        fprintf(stderr, "ERROR:  not a PPM file\n");

-        return 1;

-    }

-    /* possible color types:  P5 = grayscale (0), P6 = RGB (2), P8 = RGBA (6) */

-    if (ppmline[1] == '6') {

-        color_type = 2;

-        channels = 3;

-    } else if (ppmline[1] == '8') {

-        color_type = 6;

-        channels = 4;

-    } else /* if (ppmline[1] == '5') */ {

-        color_type = 0;

-        channels = 1;

-    }

-

-    do {

-        fgets(ppmline, 256, infile);

-    } while (ppmline[0] == '#');

-    sscanf(ppmline, "%lu %lu", &width, &height);

-

-    do {

-        fgets(ppmline, 256, infile);

-    } while (ppmline[0] == '#');

-    sscanf(ppmline, "%d", &maxval);

-    if (maxval != 255) {

-        fprintf(stderr, "ERROR:  maxval = %d\n", maxval);

-        return 2;

-    }

-    bit_depth = 8;

-

-    *pWidth = width;

-    *pHeight = height;

-

-    return 0;

-}

-

-

-

-

-/* returns 0 if succeeds, 1 if fails due to no bKGD chunk, 2 if libpng error;

- * scales values to 8-bit if necessary */

-

-int readpng_get_bgcolor(uch *red, uch *green, uch *blue)

-{

-    return 1;

-}

-

-

-

-

-/* display_exponent == LUT_exponent * CRT_exponent */

-

-uch *readpng_get_image(double display_exponent, int *pChannels, ulg *pRowbytes)

-{

-    ulg  rowbytes;

-

-

-    /* expand palette images to RGB, low-bit-depth grayscale images to 8 bits,

-     * transparency chunks to full alpha channel; strip 16-bit-per-sample

-     * images to 8 bits per sample; and convert grayscale to RGB[A] */

-

-    /* GRR WARNING:  grayscale needs to be expanded and channels reset! */

-

-    *pRowbytes = rowbytes = channels*width;

-    *pChannels = channels;

-

-    if ((image_data = (uch *)malloc(rowbytes*height)) == NULL) {

-        return NULL;

-    }

-

-    Trace((stderr, "readpng_get_image:  rowbytes = %ld, height = %ld\n", rowbytes, height));

-

-

-    /* now we can go ahead and just read the whole image */

-

-    fread(image_data, 1L, rowbytes*height, saved_infile);

-

-

-    return image_data;

-}

-

-

-void readpng_cleanup(int free_image_data)

-{

-    if (free_image_data && image_data) {

-        free(image_data);

-        image_data = NULL;

-    }

-}

+/*---------------------------------------------------------------------------
+
+   rpng - simple PNG display program                              readppm.c
+
+  ---------------------------------------------------------------------------
+
+   This is a special-purpose replacement for readpng.c that allows binary
+   PPM files to be used in place of PNG images.
+
+  ---------------------------------------------------------------------------
+
+      Copyright (c) 1998-2007 Greg Roelofs.  All rights reserved.
+
+      This software is provided "as is," without warranty of any kind,
+      express or implied.  In no event shall the author or contributors
+      be held liable for any damages arising in any way from the use of
+      this software.
+
+      The contents of this file are DUAL-LICENSED.  You may modify and/or
+      redistribute this software according to the terms of one of the
+      following two licenses (at your option):
+
+
+      LICENSE 1 ("BSD-like with advertising clause"):
+
+      Permission is granted to anyone to use this software for any purpose,
+      including commercial applications, and to alter it and redistribute
+      it freely, subject to the following restrictions:
+
+      1. Redistributions of source code must retain the above copyright
+         notice, disclaimer, and this list of conditions.
+      2. Redistributions in binary form must reproduce the above copyright
+         notice, disclaimer, and this list of conditions in the documenta-
+         tion and/or other materials provided with the distribution.
+      3. All advertising materials mentioning features or use of this
+         software must display the following acknowledgment:
+
+            This product includes software developed by Greg Roelofs
+            and contributors for the book, "PNG: The Definitive Guide,"
+            published by O'Reilly and Associates.
+
+
+      LICENSE 2 (GNU GPL v2 or later):
+
+      This program is free software; you can redistribute it and/or modify
+      it under the terms of the GNU General Public License as published by
+      the Free Software Foundation; either version 2 of the License, or
+      (at your option) any later version.
+
+      This program is distributed in the hope that it will be useful,
+      but WITHOUT ANY WARRANTY; without even the implied warranty of
+      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+      GNU General Public License for more details.
+
+      You should have received a copy of the GNU General Public License
+      along with this program; if not, write to the Free Software Foundation,
+      Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+  ---------------------------------------------------------------------------*/
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "readpng.h"    /* typedefs, common macros, public prototypes */
+
+
+ulg  width, height;
+int  bit_depth, color_type, channels;
+uch  *image_data = NULL;
+FILE *saved_infile;
+
+
+void readpng_version_info()
+{
+    fprintf(stderr, "   Compiled without libpng, zlib or PBMPLUS/NetPBM.\n");
+}
+
+
+/* return value = 0 for success, 1 for bad sig, 2 for bad IHDR, 4 for no mem */
+
+int readpng_init(FILE *infile, ulg *pWidth, ulg *pHeight)
+{
+    static uch ppmline[256];
+    int maxval;
+
+
+    saved_infile = infile;
+
+    fgets(ppmline, 256, infile);
+    if (ppmline[0] != 'P' || ppmline[1] != '6') {
+        fprintf(stderr, "ERROR:  not a PPM file\n");
+        return 1;
+    }
+    /* possible color types:  P5 = grayscale (0), P6 = RGB (2), P8 = RGBA (6) */
+    if (ppmline[1] == '6') {
+        color_type = 2;
+        channels = 3;
+    } else if (ppmline[1] == '8') {
+        color_type = 6;
+        channels = 4;
+    } else /* if (ppmline[1] == '5') */ {
+        color_type = 0;
+        channels = 1;
+    }
+
+    do {
+        fgets(ppmline, 256, infile);
+    } while (ppmline[0] == '#');
+    sscanf(ppmline, "%lu %lu", &width, &height);
+
+    do {
+        fgets(ppmline, 256, infile);
+    } while (ppmline[0] == '#');
+    sscanf(ppmline, "%d", &maxval);
+    if (maxval != 255) {
+        fprintf(stderr, "ERROR:  maxval = %d\n", maxval);
+        return 2;
+    }
+    bit_depth = 8;
+
+    *pWidth = width;
+    *pHeight = height;
+
+    return 0;
+}
+
+
+
+
+/* returns 0 if succeeds, 1 if fails due to no bKGD chunk, 2 if libpng error;
+ * scales values to 8-bit if necessary */
+
+int readpng_get_bgcolor(uch *red, uch *green, uch *blue)
+{
+    return 1;
+}
+
+
+
+
+/* display_exponent == LUT_exponent * CRT_exponent */
+
+uch *readpng_get_image(double display_exponent, int *pChannels, ulg *pRowbytes)
+{
+    ulg  rowbytes;
+
+
+    /* expand palette images to RGB, low-bit-depth grayscale images to 8 bits,
+     * transparency chunks to full alpha channel; strip 16-bit-per-sample
+     * images to 8 bits per sample; and convert grayscale to RGB[A] */
+
+    /* GRR WARNING:  grayscale needs to be expanded and channels reset! */
+
+    *pRowbytes = rowbytes = channels*width;
+    *pChannels = channels;
+
+    if ((image_data = (uch *)malloc(rowbytes*height)) == NULL) {
+        return NULL;
+    }
+
+    Trace((stderr, "readpng_get_image:  rowbytes = %ld, height = %ld\n", rowbytes, height));
+
+
+    /* now we can go ahead and just read the whole image */
+
+    fread(image_data, 1L, rowbytes*height, saved_infile);
+
+
+    return image_data;
+}
+
+
+void readpng_cleanup(int free_image_data)
+{
+    if (free_image_data && image_data) {
+        free(image_data);
+        image_data = NULL;
+    }
+}