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applied patch from Joao S. O. Bueno Calligaris that adds support for 

2005-05-31  Sven Neumann  <sven@gimp.org>

	* app/core/gimppalette-import.c: applied patch from Joao
	S. O. Bueno Calligaris that adds support for loading PSP color
	palette files (bug #305956).
This commit is contained in:
Sven Neumann 2005-05-31 10:34:36 +00:00 committed by Sven Neumann
parent 50c61cc2e6
commit d9b5c44c3c
2 changed files with 84 additions and 8 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2005-05-31 Sven Neumann <sven@gimp.org>
* app/core/gimppalette-import.c: applied patch from Joao
S. O. Bueno Calligaris that adds support for loading PSP color
palette files (bug #305956).
2005-05-30 Sven Neumann <sven@gimp.org>
* plug-ins/common/screenshot.c: capitalization and mnemonics.

86
app/core/gimppalette-import.c
View File

@ -18,7 +18,8 @@
#include "config.h"
#include <string.h> /* memcpy */
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#ifdef HAVE_UNISTD_H
@ -377,9 +378,10 @@ gimp_palette_import_from_indexed_image (GimpImage *gimage,
typedef enum
{
GIMP_PALETTE_FILE_FORMAT_UNKNOWN,
GIMP_PALETTE_FILE_FORMAT_GPL, /* GIMP palette file */
GIMP_PALETTE_FILE_FORMAT_PAL, /* RIFF palette file */
GIMP_PALETTE_FILE_FORMAT_ACT /* Photoshop binary color palette file */
GIMP_PALETTE_FILE_FORMAT_GPL, /* GIMP palette */
GIMP_PALETTE_FILE_FORMAT_RIFF_PAL, /* RIFF palette */
GIMP_PALETTE_FILE_FORMAT_ACT, /* Photoshop binary color palette */
GIMP_PALETTE_FILE_FORMAT_PSP_PAL /* JASC's Paint Shop Pro color palette */
} GimpPaletteFileFormat;
static GimpPaletteFileFormat
@ -398,13 +400,18 @@ gimp_palette_detect_file_format (const gchar *filename)
if (strncmp (header + 0, "RIFF", 4) == 0 &&
strncmp (header + 8, "PAL data", 8) == 0)
{
format = GIMP_PALETTE_FILE_FORMAT_PAL;
format = GIMP_PALETTE_FILE_FORMAT_RIFF_PAL;
}
if (strncmp (header, "GIMP Palette", 12) == 0)
{
format = GIMP_PALETTE_FILE_FORMAT_GPL;
}
if (strncmp (header, "JASC-PAL", 8) == 0)
{
format = GIMP_PALETTE_FILE_FORMAT_PSP_PAL;
}
}
if (fstat (fd, &file_stat) >= 0)
@ -469,7 +476,7 @@ gimp_palette_import_from_file (const gchar *filename,
}
break;
case GIMP_PALETTE_FILE_FORMAT_PAL:
case GIMP_PALETTE_FILE_FORMAT_RIFF_PAL:
palette = GIMP_PALETTE (gimp_palette_new (palette_name, FALSE));
lseek (fd, 28, SEEK_SET);
@ -485,10 +492,73 @@ gimp_palette_import_from_file (const gchar *filename,
}
break;
case GIMP_PALETTE_FILE_FORMAT_PSP_PAL:
{
gint number_of_colors;
gint data_size;
gint i, j;
gboolean color_ok;
gchar buffer[4096];
/*Maximum valid file size: 256 * 4 * 3 + 256 * 2 ~= 3650 bytes */
gchar **lines;
gchar **ascii_colors;
palette = GIMP_PALETTE (gimp_palette_new (palette_name, FALSE));
lseek (fd, 16, SEEK_SET);
data_size = read (fd, buffer, sizeof (buffer) - 1);
buffer [data_size] = '\0';
lines = g_strsplit (buffer, "\x0d\x0a", -1);
number_of_colors = atoi (lines[0]);
for (i = 0; i < number_of_colors; i++)
{
if (lines[i + 1] == NULL)
{
g_printerr ("Premature end of file reading %s.",
gimp_filename_to_utf8 (filename));
break;
}
ascii_colors = g_strsplit (lines [i + 1], " ", 3);
color_ok = TRUE;
for (j = 0 ; j < 3; j++)
{
if (ascii_colors [j] == NULL)
{
g_printerr ("Corrupted palette file %s.",
gimp_filename_to_utf8 (filename));
color_ok = FALSE;
break;
}
color_bytes [j] = atoi (ascii_colors[j]);
}
if (color_ok)
{
gimp_rgba_set_uchar (&color,
color_bytes[0],
color_bytes[1],
color_bytes[2],
255);
gimp_palette_add_entry (palette, -1, NULL, &color);
}
g_strfreev (ascii_colors);
}
g_strfreev (lines);
}
break;
default:
g_set_error (error,
0, 0,
_("Unknown type of palette file:\n%s"),
GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
_("Unknown type of palette file: %s"),
gimp_filename_to_utf8 (filename));
break;
}