File: tixImgXpm.h

package info (click to toggle)
tix 8.4.3-10
  • links: PTS
  • area: main
  • in suites: bookworm, bullseye, buster, sid
  • size: 9,080 kB
  • ctags: 7,129
  • sloc: ansic: 28,082; tcl: 22,774; python: 7,577; makefile: 331; cs: 253; sh: 210; perl: 128
file content (134 lines) | stat: -rw-r--r-- 4,468 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134

/*	$Id: tixImgXpm.h,v 1.1.1.1 2000/05/17 11:08:42 idiscovery Exp $	*/

/*
 * tixImgXpm.h --
 *
 *	Generic header file for the pixmap image type. This is NOT a public
 *	header file!
 *
 * Copyright (c) 1996, Expert Interface Technologies
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 *
 */

#ifndef _TIX_IMG_XPM_H_
#define _TIX_IMG_XPM_H_

/*
 * Constants
 */

#define XPM_MONO		1
#define XPM_GRAY_4		2
#define XPM_GRAY		3
#define XPM_COLOR		4
#define XPM_SYMBOLIC		5
#define XPM_UNKNOWN		6

/*
 * The following data structure represents the master for a pixmap
 * image:
 */

typedef struct PixmapMaster {
    Tk_ImageMaster tkMaster;	/* Tk's token for image master.  NULL means
				 * the image is being deleted. */
    Tcl_Interp *interp;		/* Interpreter for application that is
				 * using image. */
    Tcl_Command imageCmd;	/* Token for image command (used to delete
				 * it when the image goes away).  NULL means
				 * the image command has already been
				 * deleted. */
    char *fileString;		/* Value of -file option (malloc'ed).
				 * valid only if the -file option is specified
				 */
    char *dataString;		/* Value of -data option (malloc'ed).
				 * valid only if the -data option is specified
				 */
				/* First in list of all instances associated
				 * with this master. */
    Tk_Uid id;			/* ID's for XPM data already compiled
				 * into the tixwish binary */
    int size[2];		/* width and height */
    int ncolors;		/* number of colors */
    int cpp;			/* characters per pixel */
    char ** data;		/* The data that defines this pixmap 
				 * image (array of strings). It is
				 * converted into an X Pixmap when this
				 * image is instanciated
				 */
    int isDataAlloced;		/* False iff the data is got from
				 * the -id switch */
    struct PixmapInstance *instancePtr;
} PixmapMaster;

typedef struct ColorStruct {
    char c;			/* This is used if CPP is one */
    char * cstring;		/* This is used if CPP is bigger than one */
    XColor * colorPtr;
} ColorStruct;

/*----------------------------------------------------------------------
 * PixmapInstance --
 *
 *	Represents all of the instances of an image that lie within a
 *	particular window:
 *
 *	%% ToDo
 *	Currently one instance is created for each window that uses
 *	this pixmap.  This is usually OK because pixmaps are usually
 *	not shared or only shared by a small number of windows. To
 *	improve resource allocation, we can create an instance for
 *	each (Display x Visual x Depth) combo. This will usually
 *	reduce the number of instances to one.
 *----------------------------------------------------------------------
 */
typedef struct PixmapInstance {
    int refCount;		/* Number of instances that share this
				 * data structure. */
    PixmapMaster *masterPtr;	/* Pointer to master for image. */
    Tk_Window tkwin;		/* Window in which the instances will be
				 * displayed. */
    Pixmap pixmap;		/* The pixmap to display. */
    struct PixmapInstance *nextPtr;
				/* Next in list of all instance structures
				 * associated with masterPtr (NULL means
				 * end of list).
				 */
    ColorStruct * colors;
    ClientData clientData;	/* Place holder for platform specific
				 * instance data */
} PixmapInstance;


EXTERN void		TixpInitPixmapInstance _ANSI_ARGS_((
			    PixmapMaster *masterPtr,
			    PixmapInstance *instancePtr));
EXTERN void		TixpXpmAllocTmpBuffer _ANSI_ARGS_((
			    PixmapMaster * masterPtr,
			    PixmapInstance * instancePtr,
			    XImage ** imagePtr, XImage ** maskPtr));
EXTERN void		TixpXpmFreeTmpBuffer _ANSI_ARGS_((
			    PixmapMaster * masterPtr,
			    PixmapInstance * instancePtr,
			    XImage * image, XImage * mask));
EXTERN void		TixpXpmSetPixel _ANSI_ARGS_((
			    PixmapInstance * instancePtr, XImage * image,
			    XImage * mask, int x, int y, XColor * colorPtr,
			    int * isTranspPtr));
EXTERN void		TixpXpmRealizePixmap _ANSI_ARGS_((
			    PixmapMaster * masterPtr,
			    PixmapInstance * instancePtr,
			    XImage * image, XImage * mask, int isTransp));
EXTERN void		TixpXpmFreeInstanceData _ANSI_ARGS_((
			    PixmapInstance *instancePtr, int delete,
			    Display *display));
EXTERN void		TixpXpmDisplay _ANSI_ARGS_((ClientData clientData,
			    Display *display, Drawable drawable,
			    int imageX, int imageY, int width, int height,
			    int drawableX, int drawableY));

#endif