gimp/plug-ins/bmp/bmp.h

71 lines
2.2 KiB
C

/*
* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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.
*/
#define LOAD_PROC "file-bmp-load"
#define SAVE_PROC "file-bmp-save"
#define MAXCOLORS 256
#define BitSet(byte, bit) (((byte) & (bit)) == (bit))
#define ReadOK(file,buffer,len) (fread(buffer, len, 1, file) != 0)
#define Write(file,buffer,len) fwrite(buffer, len, 1, file)
#define WriteOK(file,buffer,len) (Write(buffer, len, file) != 0)
gint32 ReadBMP (const gchar *filename);
GimpPDBStatusType WriteBMP (const gchar *filename,
gint32 image,
gint32 drawable_ID);
extern gboolean interactive;
extern gboolean lastvals;
extern const gchar *filename;
extern struct Bitmap_File_Head_Struct
{
gchar zzMagic[2]; /* 00 "BM" */
gulong bfSize; /* 02 */
gushort zzHotX; /* 06 */
gushort zzHotY; /* 08 */
gulong bfOffs; /* 0A */
gulong biSize; /* 0E */
} Bitmap_File_Head;
extern struct Bitmap_Head_Struct
{
glong biWidth; /* 12 */
glong biHeight; /* 16 */
gushort biPlanes; /* 1A */
gushort biBitCnt; /* 1C */
gulong biCompr; /* 1E */
gulong biSizeIm; /* 22 */
gulong biXPels; /* 26 */
gulong biYPels; /* 2A */
gulong biClrUsed; /* 2E */
gulong biClrImp; /* 32 */
guint32 masks[4]; /* 36 */
} Bitmap_Head;
typedef struct _Bitmap_Channel
{
guint32 mask;
guint32 shiftin;
gfloat max_value;
} Bitmap_Channel;