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/*
* init.c --
*
* Generic photo image type initialization, Tcl/Tk package
*
* Copyright (c) 2002 Andreas Kupries <andreas_kupries@users.sourceforge.net>
*
*/
#include "tkimg.h"
#ifndef MORE_INITIALIZATION
#define MORE_INITIALIZATION /* Nothing */
#endif
/*
* Functions exported for package management.
*/
extern DLLEXPORT int @CPACKAGE@_Init(Tcl_Interp *interp);
extern DLLEXPORT int @CPACKAGE@_SafeInit(Tcl_Interp *interp);
/*
* Declarations of internal functions.
*/
static int ChnMatch(Tcl_Channel chan, const char *fileName,
Tcl_Obj *format, int *widthPtr, int *heightPtr, Tcl_Interp *interp);
static int ObjMatch(Tcl_Obj *dataObj, Tcl_Obj *format,
int *widthPtr, int *heightPtr, Tcl_Interp *interp);
static int ChnRead(Tcl_Interp *interp, Tcl_Channel chan,
const char *fileName, Tcl_Obj *format, Tk_PhotoHandle imageHandle,
int destX, int destY, int width, int height, int srcX, int srcY);
static int ObjRead(Tcl_Interp *interp, Tcl_Obj *dataObj,
Tcl_Obj *format, Tk_PhotoHandle imageHandle,
int destX, int destY, int width, int height, int srcX, int srcY);
static int ChnWrite(Tcl_Interp *interp, const char *filename,
Tcl_Obj *format, Tk_PhotoImageBlock *blockPtr);
static int StringWrite(Tcl_Interp *interp, Tcl_Obj *format,
Tk_PhotoImageBlock *blockPtr);
static Tk_PhotoImageFormat sImageFormat = {
(char *) "%PHIMGTYPE%", /* name */
ChnMatch, /* fileMatchProc */
ObjMatch, /* stringMatchProc */
ChnRead, /* fileReadProc */
ObjRead, /* stringReadProc */
ChnWrite, /* fileWriteProc */
StringWrite, /* stringWriteProc */
0
};
#ifdef SECOND_FORMAT
/*
* Declare procedures of the second format as needed. The macro we
* check for allow us to share code between first and second
* format. Current user of this feature: The PS/PDF combo handler
*/
#ifndef SECOND_CHNMATCH
#define SECOND_CHNMATCH ChnMatchBeta
static int ChnMatchBeta(Tcl_Channel chan, const char *fileName,
Tcl_Obj *format, int *widthPtr, int *heightPtr, Tcl_Interp *interp);
#endif
#ifndef SECOND_OBJMATCH
#define SECOND_OBJMATCH ObjMatchBeta
static int ObjMatchBeta(Tcl_Obj *dataObj, Tcl_Obj *format,
int *widthPtr, int *heightPtr, Tcl_Interp *interp);
#endif
#ifndef SECOND_CHNREAD
#define SECOND_CHNREAD ChnReadBeta
static int ChnReadBeta(Tcl_Interp *interp, Tcl_Channel chan,
const char *fileName, Tcl_Obj *format, Tk_PhotoHandle imageHandle,
int destX, int destY, int width, int height, int srcX, int srcY);
#endif
#ifndef SECOND_OBJREAD
#define SECOND_OBJREAD ChnObjReadBeta
static int ObjReadBeta(Tcl_Interp *interp, Tcl_Obj *dataObj,
Tcl_Obj *format, Tk_PhotoHandle imageHandle,
int destX, int destY, int width, int height, int srcX, int srcY);
#endif
#ifndef SECOND_CHNWRITE
#define SECOND_CHNWRITE ChnWriteBeta
static int ChnWriteBeta(Tcl_Interp *interp, const char *filename,
Tcl_Obj *format, Tk_PhotoImageBlock *blockPtr);
#endif
#ifndef SECOND_STRWRITE
#define SECOND_STRWRITE StringWriteBeta
static int StringWriteBeta(Tcl_Interp *interp, Tcl_Obj *format,
Tk_PhotoImageBlock *blockPtr);
#endif
static Tk_PhotoImageFormat sImageFormatBeta = {
(char *) "%PHIMGTYPE_BETA%", /* name */
SECOND_CHNMATCH, /* fileMatchProc */
SECOND_OBJMATCH, /* stringMatchProc */
SECOND_CHNREAD, /* fileReadProc */
SECOND_OBJREAD, /* stringReadProc */
SECOND_CHNWRITE, /* fileWriteProc */
SECOND_STRWRITE, /* stringWriteProc */
0
};
#endif /* SECOND_FORMAT */
/*
*----------------------------------------------------------------------------
*
* @CPACKAGE@_Init --
*
* Initialisation routine for loadable module
*
* Results:
* None.
*
* Side effects:
* Creates commands in the interpreter, loads package.
*
*----------------------------------------------------------------------------
*/
int
@CPACKAGE@_Init(
Tcl_Interp *interp /* Interpreter to initialise. */
) {
if (!Tcl_InitStubs(interp, "8.3", 0)) {
return TCL_ERROR;
}
if (!Tk_InitStubs(interp, "8.3", 0)) {
return TCL_ERROR;
}
if (!Tkimg_InitStubs(interp, TKIMG_VERSION, 0)) {
return TCL_ERROR;
}
MORE_INITIALIZATION;
/*
* Register the new photo image type.
*/
Tk_CreatePhotoImageFormat(&sImageFormat);
#ifdef SECOND_FORMAT
Tk_CreatePhotoImageFormat(&sImageFormatBeta);
#endif /* SECOND_FORMAT */
/*
* At last provide the package ...
*/
if (Tcl_PkgProvide(interp, PACKAGE_TCLNAME, TKIMG_VERSION) != TCL_OK) {
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------------
*
* @CPACKAGE@_SafeInit --
*
* Initialisation routine for loadable module in a safe interpreter.
*
* Results:
* None.
*
* Side effects:
* Creates commands in the interpreter, loads package.
*
*----------------------------------------------------------------------------
*/
int
@CPACKAGE@_SafeInit(
Tcl_Interp *interp /* Interpreter to initialise. */
) {
return @CPACKAGE@_Init(interp);
}
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