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/*
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* tixImgXpm.h --
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*
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* Generic header file for the pixmap image type. This is NOT a public
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* header file!
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*
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* Copyright (c) 1996, Expert Interface Technologies
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*
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* See the file "license.terms" for information on usage and redistribution
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*
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*/
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#ifndef _TIX_IMG_XPM_H_
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#define _TIX_IMG_XPM_H_
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#ifdef BUILD_tix
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# undef TCL_STORAGE_CLASS
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# define TCL_STORAGE_CLASS DLLEXPORT
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#endif
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/*
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* Constants
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*/
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#define XPM_MONO 1
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#define XPM_GRAY_4 2
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#define XPM_GRAY 3
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#define XPM_COLOR 4
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#define XPM_SYMBOLIC 5
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#define XPM_UNKNOWN 6
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/*
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* The following data structure represents the master for a pixmap
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* image:
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*/
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typedef struct PixmapMaster {
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Tk_ImageMaster tkMaster; /* Tk's token for image master. NULL means
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* the image is being deleted. */
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Tcl_Interp *interp; /* Interpreter for application that is
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* using image. */
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Tcl_Command imageCmd; /* Token for image command (used to delete
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* it when the image goes away). NULL means
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* the image command has already been
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* deleted. */
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char *fileString; /* Value of -file option (malloc'ed).
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* valid only if the -file option is specified
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*/
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char *dataString; /* Value of -data option (malloc'ed).
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* valid only if the -data option is specified
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*/
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/* First in list of all instances associated
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* with this master. */
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Tk_Uid id; /* ID's for XPM data already compiled
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* into the tixwish binary */
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int size[2]; /* width and height */
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int ncolors; /* number of colors */
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int cpp; /* characters per pixel */
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char ** data; /* The data that defines this pixmap
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* image (array of strings). It is
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* converted into an X Pixmap when this
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* image is instanciated
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*/
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int isDataAlloced; /* False iff the data is got from
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* the -id switch */
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struct PixmapInstance *instancePtr;
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} PixmapMaster;
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typedef struct ColorStruct {
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char c; /* This is used if CPP is one */
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char * cstring; /* This is used if CPP is bigger than one */
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XColor * colorPtr;
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} ColorStruct;
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/*----------------------------------------------------------------------
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* PixmapInstance --
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*
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* Represents all of the instances of an image that lie within a
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* particular window:
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*
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* %% ToDo
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* Currently one instance is created for each window that uses
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* this pixmap. This is usually OK because pixmaps are usually
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* not shared or only shared by a small number of windows. To
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* improve resource allocation, we can create an instance for
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* each (Display x Visual x Depth) combo. This will usually
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* reduce the number of instances to one.
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*----------------------------------------------------------------------
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*/
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typedef struct PixmapInstance {
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int refCount; /* Number of instances that share this
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* data structure. */
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PixmapMaster *masterPtr; /* Pointer to master for image. */
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Tk_Window tkwin; /* Window in which the instances will be
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* displayed. */
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Pixmap pixmap; /* The pixmap to display. */
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struct PixmapInstance *nextPtr;
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/* Next in list of all instance structures
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* associated with masterPtr (NULL means
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* end of list).
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*/
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ColorStruct * colors;
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ClientData clientData; /* Place holder for platform specific
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* instance data */
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} PixmapInstance;
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EXTERN void TixpInitPixmapInstance _ANSI_ARGS_((
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PixmapMaster *masterPtr,
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PixmapInstance *instancePtr));
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EXTERN void TixpXpmAllocTmpBuffer _ANSI_ARGS_((
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PixmapMaster * masterPtr,
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PixmapInstance * instancePtr,
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XImage ** imagePtr, XImage ** maskPtr));
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EXTERN void TixpXpmFreeTmpBuffer _ANSI_ARGS_((
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PixmapMaster * masterPtr,
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PixmapInstance * instancePtr,
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XImage * image, XImage * mask));
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EXTERN void TixpXpmSetPixel _ANSI_ARGS_((
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PixmapInstance * instancePtr, XImage * image,
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XImage * mask, int x, int y, XColor * colorPtr,
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int * isTranspPtr));
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EXTERN void TixpXpmRealizePixmap _ANSI_ARGS_((
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PixmapMaster * masterPtr,
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PixmapInstance * instancePtr,
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XImage * image, XImage * mask, int isTransp));
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EXTERN void TixpXpmFreeInstanceData _ANSI_ARGS_((
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PixmapInstance *instancePtr, int delete,
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Display *display));
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EXTERN void TixpXpmDisplay _ANSI_ARGS_((ClientData clientData,
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Display *display, Drawable drawable,
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int imageX, int imageY, int width, int height,
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int drawableX, int drawableY));
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#undef TCL_STORAGE_CLASS
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#define TCL_STORAGE_CLASS DLLIMPORT
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#endif
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