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#ifdef HAVE_CONFIG_H
# include <oce-config.h>
#endif
#include <Xw_Extension.h>
#ifdef HAVE_X11_EXTENSIONS_MULTIBUF_H
# include <X11/extensions/multibuf.h>
#endif
/* ifdef then trace on */
#ifdef TRACE
#define TRACE_OPEN_PIXMAP
#define TRACE_OPEN_BACKGROUND_PIXMAP
#define TRACE_CLOSE_PIXMAP
#define TRACE_CLOSE_BACKGROUND_PIXMAP
#endif
/*
XW_STATUS Xw_open_pixmap (awindow)
XW_EXT_WINDOW *awindow
Open a DoubleBuffer PIXMAP depending of the Window size
returns ERROR if NO More PIXMAP is available on this Window
returns SUCCESS if successful
XW_STATUS Xw_open_background_pixmap (awindow)
XW_EXT_WINDOW *awindow
Open a Background PIXMAP depending of the Window size
returns ERROR if NO More PIXMAP is available on this Window
returns SUCCESS if successful
XW_STATUS Xw_close_pixmap (awindow)
XW_EXT_WINDOW *awindow
Close the DoubleBuffer PIXMAP attached to this Window
returns ERROR if NO More PIXMAP exist
returns SUCCESS if successful
XW_STATUS Xw_close_background_pixmap (awindow)
XW_EXT_WINDOW *awindow
Close the Background PIXMAP attached to this Window
returns ERROR if NO More PIXMAP exist
returns SUCCESS if successful
*/
static char SetDoubleBuffer = '\0' ;
#ifdef XW_PROTOTYPE
XW_STATUS Xw_open_pixmap (void *awindow)
#else
XW_STATUS Xw_open_pixmap (awindow)
void *awindow;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_WINDOW *pwindow = (XW_EXT_WINDOW*)awindow;
XW_EXT_DISPLAY *pdisplay = pwindow->connexion;
int error,gravity ;
char svalue[4] ;
XW_STATUS status = XW_ERROR;
if( !Xw_isdefine_window(pwindow) ) {
/*ERROR*Bad EXT_WINDOW Address*/
Xw_set_error(24,"Xw_open_pixmap",pwindow) ;
return (XW_ERROR) ;
}
if( SetDoubleBuffer == '\0' ) {
SetDoubleBuffer = 'U' ;
if( Xw_get_env("Xw_SET_DOUBLE_BUFFER",svalue,sizeof(svalue)) ) {
if( strlen(svalue) ) {
SetDoubleBuffer = svalue[0] ;
}
printf(" Xw_SET_DOUBLE_BUFFER is '%c'\n",SetDoubleBuffer) ;
}
}
if( (SetDoubleBuffer == 'B') &&
(pdisplay->server == XW_SERVER_IS_SUN) && (_DEPTH != 24) ) {
SetDoubleBuffer = 'P'; /* BUG sur SUN */
/*WARNING*MultiBufferingExtension is not accessible here*/
Xw_set_error(126,"Xw_open_pixmap",pwindow) ;
}
#ifndef HAVE_X11_EXTENSIONS_MULTIBUF_H
if( SetDoubleBuffer == 'B' ) {
SetDoubleBuffer = 'P'; /* MULTIBUF unavailable under SGI IRIX 6.5 */
/*WARNING*MultiBufferingExtension is not accessible here*/
Xw_set_error(126,"Xw_open_pixmap",pwindow) ;
}
#else
if( SetDoubleBuffer == 'B' ) {
if( _NWBUFFER == 0 ) {
int mOptCode,fEvent,fError,maxmono,maxstereo ;
XmbufBufferInfo *pmono,*pstereo ;
if( XQueryExtension(_DISPLAY,"Multi-Buffering",
&mOptCode,&fEvent,&fError) &&
XmbufGetScreenInfo(_DISPLAY,_WINDOW,
&maxmono,&pmono,&maxstereo,&pstereo) ) {
_NWBUFFER = XmbufCreateBuffers(_DISPLAY,_WINDOW,2,
MultibufferUpdateActionUntouched,
MultibufferUpdateHintFrequent,
&_FWBUFFER) ;
}
if( _NWBUFFER == 2 ) {
XFillRectangle(_DISPLAY,_BWBUFFER,pwindow->qgwind.gcclear,
0,0,_WIDTH,_HEIGHT) ;
} else {
if( _NWBUFFER > 0 ) XmbufDestroyBuffers(_DISPLAY,_WINDOW) ;
_NWBUFFER = 0 ;
_BWBUFFER = 0 ;
_FWBUFFER = 0 ;
}
SetDoubleBuffer = 'P';
/*WARNING*MultiBufferingExtension is not accessible here*/
Xw_set_error(126,"Xw_open_pixmap",pwindow) ;
}
}
#endif
if( (SetDoubleBuffer == 'U') ||
(SetDoubleBuffer == 'Y') ||
(SetDoubleBuffer == 'P') ) {
if( !_PIXMAP ) {
Xw_print_error();
if( !Xw_get_trace() ) Xw_set_synchronize(_DISPLAY,True) ;
_PIXMAP = XCreatePixmap(_DISPLAY,_WINDOW,_WIDTH,_HEIGHT,_DEPTH) ;
if( !Xw_get_trace() ) Xw_set_synchronize(_DISPLAY,False) ;
Xw_get_error(&error,&gravity);
if( _PIXMAP && (error < 1000) ) {
XFillRectangle(_DISPLAY,_PIXMAP,pwindow->qgwind.gcclear,
0,0,_WIDTH,_HEIGHT) ;
} else {
/*ERROR*DISABLE Double Buffer*/
_PIXMAP = 0 ;
Xw_set_error(71,"Xw_open_pixmap",0) ;
}
}
}
if( _PIXMAP || _NWBUFFER ) status = XW_SUCCESS;
#ifdef TRACE_OPEN_PIXMAP
if( Xw_get_trace() ) {
printf(" %d = Xw_open_pixmap(%lx)\n",status,(long ) pwindow) ;
}
#endif
return (status);
}
#ifdef XW_PROTOTYPE
XW_STATUS Xw_close_pixmap (void *awindow)
#else
XW_STATUS Xw_close_pixmap (awindow)
void *awindow;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_WINDOW *pwindow = (XW_EXT_WINDOW*)awindow;
if( !Xw_isdefine_window(pwindow) ) {
/*ERROR*Bad EXT_WINDOW Address*/
Xw_set_error(24,"Xw_open_pixmap",pwindow) ;
return (XW_ERROR) ;
}
#ifdef HAVE_X11_EXTENSIONS_MULTIBUF_H
if( _NWBUFFER > 0 ) XmbufDestroyBuffers(_DISPLAY,_WINDOW) ;
#endif
if( _PIXMAP ) XFreePixmap(_DISPLAY,_PIXMAP) ;
XFlush(_DISPLAY) ;
_PIXMAP = 0 ;
_NWBUFFER = 0 ;
_BWBUFFER = 0 ;
_FWBUFFER = 0 ;
_DRAWABLE = _WINDOW ;
#ifdef TRACE_CLOSE_PIXMAP
if( Xw_get_trace() ) {
printf(" Xw_close_pixmap(%lx)\n",(long ) pwindow) ;
}
#endif
return XW_SUCCESS ;
}
#ifdef XW_PROTOTYPE
XW_STATUS Xw_open_background_pixmap (void *awindow)
#else
XW_STATUS Xw_open_background_pixmap (awindow)
void *awindow;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_WINDOW *pwindow = (XW_EXT_WINDOW*)awindow;
int error,gravity ;
if( !Xw_isdefine_window(pwindow) ) {
/*ERROR*Bad EXT_WINDOW Address*/
Xw_set_error(24,"Xw_open_background_pixmap",pwindow) ;
return (XW_ERROR) ;
}
if( _BPIXMAP ) Xw_close_background_pixmap(awindow) ;
Xw_print_error();
if( !Xw_get_trace() ) Xw_set_synchronize(_DISPLAY,True) ;
_BPIXMAP = XCreatePixmap(_DISPLAY,_WINDOW,_WIDTH,_HEIGHT,_DEPTH) ;
if( !Xw_get_trace() ) Xw_set_synchronize(_DISPLAY,False) ;
Xw_get_error(&error,&gravity);
if( !_BPIXMAP || (error >= 1000) ) {
/*ERROR*DISABLE Double Buffer*/
_BPIXMAP = 0 ;
Xw_set_error(71,"Xw_open_background_pixmap",0) ;
return (XW_ERROR) ;
}
XFillRectangle(_DISPLAY,_BPIXMAP,pwindow->qgwind.gcclear,0,0,_WIDTH,_HEIGHT);
#ifdef TRACE_OPEN_BACKGROUND_PIXMAP
if( Xw_get_trace() ) {
printf(" Xw_open_background_pixmap(%lx)\n",(long ) pwindow) ;
}
#endif
return (XW_SUCCESS);
}
#ifdef XW_PROTOTYPE
XW_STATUS Xw_close_background_pixmap (void *awindow)
#else
XW_STATUS Xw_close_background_pixmap (awindow)
void *awindow;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_WINDOW *pwindow = (XW_EXT_WINDOW*)awindow;
if( !Xw_isdefine_window(pwindow) ) {
/*ERROR*Bad EXT_WINDOW Address*/
Xw_set_error(24,"Xw_close_background_pixmap",pwindow) ;
return (XW_ERROR) ;
}
if( _BPIXMAP ) {
XFreePixmap(_DISPLAY,_BPIXMAP) ;
XFlush(_DISPLAY) ;
_BPIXMAP = 0 ;
} else {
return (XW_ERROR) ;
}
#ifdef TRACE_CLOSE_BACKGROUND_PIXMAP
if( Xw_get_trace() ) {
printf(" Xw_close_background_pixmap(%lx)\n",(long ) pwindow) ;
}
#endif
return (XW_SUCCESS) ;
}
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