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--- converter/other/pngtopnm.c.orig 2011-11-25 01:15:46.000000000 +0100
+++ converter/other/pngtopnm.c 2012-04-24 22:15:14.000000000 +0200
@@ -37,6 +37,7 @@
#include <math.h>
#include <float.h>
#include <png.h> /* includes zlib.h and setjmp.h */
+#include <pngpriv.h>
#define VERSION "2.37.4 (5 December 1999) +netpbm"
#include "pnm.h"
@@ -44,7 +45,7 @@
#include "nstring.h"
#include "shhopt.h"
-#if PNG_LIBPNG_VER >= 10400
+#if 0
#error Your PNG library (<png.h>) is incompatible with this Netpbm source code.
#error You need either an older PNG library (older than 1.4)
#error newer Netpbm source code (at least 10.48)
@@ -489,7 +490,7 @@
bool retval;
if (info_ptr->valid & PNG_INFO_tRNS) {
- const png_color_16 * const transColorP = &info_ptr->trans_values;
+ const png_color_16 * const transColorP = &info_ptr->trans_color;
/* There seems to be a problem here: you can't compare real
@@ -582,8 +583,8 @@
for (i = 0, foundGray = FALSE;
i < info_ptr->num_trans && !foundGray;
++i) {
- if (info_ptr->trans[i] != 0 &&
- info_ptr->trans[i] != maxval) {
+ if (info_ptr->trans_alpha[i] != 0 &&
+ info_ptr->trans_alpha[i] != maxval) {
foundGray = TRUE;
}
}
@@ -654,7 +655,7 @@
unsigned int i;
trans_mix = TRUE;
for (i = 0; i < info_ptr->num_trans; ++i)
- if (info_ptr->trans[i] != 0 && info_ptr->trans[i] != 255) {
+ if (info_ptr->trans_alpha[i] != 0 && info_ptr->trans_alpha[i] != 255) {
trans_mix = FALSE;
break;
}
@@ -892,7 +893,7 @@
setXel(&xelrow[col], fgColor, bgColor, alpha_handling,
((info_ptr->valid & PNG_INFO_tRNS) &&
(fgColor.r ==
- gamma_correct(info_ptr->trans_values.gray,
+ gamma_correct(info_ptr->trans_color.gray,
totalgamma))) ?
0 : maxval);
}
@@ -921,7 +922,7 @@
setXel(&xelrow[col], fgColor, bgColor, alpha_handling,
(info_ptr->valid & PNG_INFO_tRNS) &&
index < info_ptr->num_trans ?
- info_ptr->trans[index] : maxval);
+ info_ptr->trans_alpha[index] : maxval);
}
break;
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