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added gimp_palette_load_detect_format().

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2006-10-03  Michael Natterer  <mitch@gimp.org>

	* app/core/gimppalette-load.[ch]: added
	gimp_palette_load_detect_format().

	* app/core/gimppalette-import.c: removed it here. Also removed all
	file I/O related includes.
This commit is contained in:
Michael Natterer 2006-10-03 14:54:07 +00:00 committed by Michael Natterer
parent 92f21409b0
commit c6ae0a7918
4 changed files with 70 additions and 72 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2006-10-03 Michael Natterer <mitch@gimp.org>
* app/core/gimppalette-load.[ch]: added
gimp_palette_load_detect_format().
* app/core/gimppalette-import.c: removed it here. Also removed all
file I/O related includes.
2006-10-03 Michael Natterer <mitch@gimp.org>
* app/core/gimppalette-load.[ch]: added functions to load ACT,

65
app/core/gimppalette-import.c
View file

@ -18,23 +18,9 @@
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#include <fcntl.h>
#include <glib-object.h>
#include <glib/gstdio.h>
#ifdef G_OS_WIN32
#include "libgimpbase/gimpwin32-io.h"
#endif
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
@ -494,55 +480,6 @@ gimp_palette_import_from_drawable (GimpDrawable *drawable,
/* create a palette from a file **********************************/
typedef enum
{
GIMP_PALETTE_FILE_FORMAT_UNKNOWN,
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
gimp_palette_detect_file_format (const gchar *filename)
{
GimpPaletteFileFormat format = GIMP_PALETTE_FILE_FORMAT_UNKNOWN;
gint fd;
gchar header[16];
struct stat file_stat;
fd = g_open (filename, O_RDONLY, 0);
if (fd)
{
if (read (fd, header, sizeof (header)) == sizeof (header))
{
if (strncmp (header + 0, "RIFF", 4) == 0 &&
strncmp (header + 8, "PAL data", 8) == 0)
{
format = GIMP_PALETTE_FILE_FORMAT_RIFF_PAL;
}
else if (strncmp (header, "GIMP Palette", 12) == 0)
{
format = GIMP_PALETTE_FILE_FORMAT_GPL;
}
else if (strncmp (header, "JASC-PAL", 8) == 0)
{
format = GIMP_PALETTE_FILE_FORMAT_PSP_PAL;
}
}
if (fstat (fd, &file_stat) >= 0)
{
if (file_stat.st_size == 768)
format = GIMP_PALETTE_FILE_FORMAT_ACT;
}
close (fd);
}
return format;
}
GimpPalette *
gimp_palette_import_from_file (const gchar *filename,
const gchar *palette_name,
@ -554,7 +491,7 @@ gimp_palette_import_from_file (const gchar *filename,
g_return_val_if_fail (palette_name != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
switch (gimp_palette_detect_file_format (filename))
switch (gimp_palette_load_detect_format (filename))
{
case GIMP_PALETTE_FILE_FORMAT_GPL:
palette_list = gimp_palette_load (filename, error);

41
app/core/gimppalette-load.c
View file

@ -435,3 +435,44 @@ gimp_palette_load_psp (const gchar *filename,
return g_list_prepend (NULL, palette);
}
GimpPaletteFileFormat
gimp_palette_load_detect_format (const gchar *filename)
{
GimpPaletteFileFormat format = GIMP_PALETTE_FILE_FORMAT_UNKNOWN;
gint fd;
gchar header[16];
struct stat file_stat;
fd = g_open (filename, O_RDONLY, 0);
if (fd)
{
if (read (fd, header, sizeof (header)) == sizeof (header))
{
if (strncmp (header + 0, "RIFF", 4) == 0 &&
strncmp (header + 8, "PAL data", 8) == 0)
{
format = GIMP_PALETTE_FILE_FORMAT_RIFF_PAL;
}
else if (strncmp (header, "GIMP Palette", 12) == 0)
{
format = GIMP_PALETTE_FILE_FORMAT_GPL;
}
else if (strncmp (header, "JASC-PAL", 8) == 0)
{
format = GIMP_PALETTE_FILE_FORMAT_PSP_PAL;
}
}
if (fstat (fd, &file_stat) >= 0)
{
if (file_stat.st_size == 768)
format = GIMP_PALETTE_FILE_FORMAT_ACT;
}
close (fd);
}
return format;
}

28
app/core/gimppalette-load.h
View file

@ -23,14 +23,26 @@
#define GIMP_PALETTE_FILE_EXTENSION ".gpl"
GList * gimp_palette_load (const gchar *filename,
GError **error);
GList * gimp_palette_load_act (const gchar *filename,
GError **error);
GList * gimp_palette_load_riff (const gchar *filename,
GError **error);
GList * gimp_palette_load_psp (const gchar *filename,
GError **error);
typedef enum
{
GIMP_PALETTE_FILE_FORMAT_UNKNOWN,
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;
GList * gimp_palette_load (const gchar *filename,
GError **error);
GList * gimp_palette_load_act (const gchar *filename,
GError **error);
GList * gimp_palette_load_riff (const gchar *filename,
GError **error);
GList * gimp_palette_load_psp (const gchar *filename,
GError **error);
GimpPaletteFileFormat gimp_palette_load_detect_format (const gchar *filename);
#endif /* __GIMP_PALETTE_H__ */