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#ifdef _WIN32
#include <windows.h>
#include "tkWinInt.h"
#include "tkCanvas.h"
#include <tcl.h>
#include <tk.h>
/*
*--------------------------------------------------------------
*
* PrintCanvasCmd --
* When invoked with the correct args this will bring up a
* standard Windows print dialog box and then print the
* contence of the canvas.
*
* Results:
* Standard Tcl result.
*
*--------------------------------------------------------------
*/
int
PrintCanvasCmd(clientData, interp, argc, argv)
ClientData clientData;
Tcl_Interp *interp;
int argc;
char **argv;
{
PRINTDLG pd;
Tcl_CmdInfo canvCmd;
TkCanvas *canvasPtr;
TkWinDrawable *PrinterDrawable;
Tk_Window tkwin;/* = canvasPtr->tkwin;*/
Tk_Item *itemPtr;
Pixmap pixmap;
HDC hDCpixmap;
TkWinDCState pixmapState;
DEVMODE dm;
float Ptr_pixX,Ptr_pixY,Ptr_mmX,Ptr_mmY;
float canv_pixX,canv_pixY,canv_mmX,canv_mmY;
int widget_X_size = 0;
int widget_Y_size = 0;
int page_Y_size, page_X_size;
int tiles_wide,tiles_high;
int tile_y, tile_x;
int screenX1, screenX2, screenY1, screenY2, width, height;
DOCINFO *lpdi = malloc(sizeof(DOCINFO));
if (argc < 2) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " canvas \"",
(char *) NULL);
return TCL_ERROR;
}
/* The second arg is the canvas widget */
if (!Tcl_GetCommandInfo(interp, argv[1], &canvCmd)) {
Tcl_AppendResult(interp, "couldn't get canvas information for \"",
argv[1], "\"", (char *) NULL);
return TCL_ERROR;
}
memset(&dm,0,sizeof(DEVMODE));
dm.dmSize = sizeof(DEVMODE);
dm.dmScale = 500;
memset(lpdi,0,sizeof(DOCINFO));
lpdi->cbSize=sizeof(DOCINFO);
lpdi->lpszDocName=malloc(255);
sprintf((char*)lpdi->lpszDocName,"SN - Printing\0");
lpdi->lpszOutput=NULL;
canvasPtr = (TkCanvas *)(canvCmd.clientData);
tkwin = canvasPtr->tkwin;
memset(&pd,0,sizeof( PRINTDLG ));
pd.lStructSize = sizeof( PRINTDLG );
pd.hwndOwner = NULL;
pd.hDevMode = NULL;
pd.hDevNames = NULL;
/* pd.hDC = */
pd.Flags = PD_RETURNDC;
/* Get printer details. */
if (!PrintDlg(&pd)) {
goto done;
}
PrinterDrawable = (TkWinDrawable *) ckalloc(sizeof(TkWinDrawable));
PrinterDrawable->type = TWD_WINDC;
PrinterDrawable->winDC.hdc = pd.hDC;
Ptr_pixX=(float)GetDeviceCaps(PrinterDrawable->winDC.hdc,HORZRES);
Ptr_pixY=(float)GetDeviceCaps(PrinterDrawable->winDC.hdc,VERTRES);
Ptr_mmX=(float)GetDeviceCaps(PrinterDrawable->winDC.hdc,HORZSIZE);
Ptr_mmY=(float)GetDeviceCaps(PrinterDrawable->winDC.hdc,VERTSIZE);
screenX1=0; screenY1=0;
screenX2=canvasPtr->width; screenY2=canvasPtr->height;
canvasPtr->drawableXOrigin = screenX1 - 30;
canvasPtr->drawableYOrigin = screenY1 - 30;
pixmap = Tk_GetPixmap(Tk_Display(tkwin), Tk_WindowId(tkwin),
(screenX2 + 30 - canvasPtr->drawableXOrigin),
(screenY2 + 30 - canvasPtr->drawableYOrigin),
Tk_Depth(tkwin));
width = screenX2 - screenX1;
height = screenY2 - screenY1;
hDCpixmap = TkWinGetDrawableDC(Tk_Display(tkwin), pixmap, &pixmapState);
canv_pixX=(float)GetDeviceCaps(hDCpixmap,HORZRES);
canv_pixY=(float)GetDeviceCaps(hDCpixmap,VERTRES);
canv_mmX=(float)GetDeviceCaps(hDCpixmap,HORZSIZE);
canv_mmY=(float)GetDeviceCaps(hDCpixmap,VERTSIZE);
SetMapMode(PrinterDrawable->winDC.hdc,MM_ISOTROPIC);
SetWindowExtEx(PrinterDrawable->winDC.hdc,(int)((float)canv_pixX),(int)((float)canv_pixY),NULL);
SetViewportExtEx(PrinterDrawable->winDC.hdc,(int)((float)Ptr_pixX),
(int)((float)Ptr_pixY),
NULL);
/* max X and Y for canvas */
for (itemPtr = canvasPtr->firstItemPtr; itemPtr != NULL;
itemPtr = itemPtr->nextPtr) {
if (itemPtr->x1 > widget_X_size) {
widget_X_size = itemPtr->x1;
}
if (itemPtr->y1 > widget_Y_size) {
widget_Y_size = itemPtr->y1;
}
}
/* Calculate the number of tiles high */
page_Y_size = GetDeviceCaps(hDCpixmap,LOGPIXELSY)*(Ptr_mmY/22);
page_X_size = GetDeviceCaps(hDCpixmap,LOGPIXELSX)*(Ptr_mmX/22);
tiles_high = ( widget_Y_size / page_Y_size ); /* start at zero */
tiles_wide = ( widget_X_size / page_X_size ); /* start at zero */
StartDoc(pd.hDC,lpdi);
for (tile_x = 0; tile_x <= tiles_wide;tile_x++) {
for (tile_y = 0; tile_y <= tiles_high;tile_y++) {
SetViewportOrgEx(pd.hDC,-(tile_x*Ptr_pixX),-(tile_y*Ptr_pixY),NULL);
StartPage(pd.hDC);
for (itemPtr = canvasPtr->firstItemPtr; itemPtr != NULL;
itemPtr = itemPtr->nextPtr) {
(*itemPtr->typePtr->displayProc)((Tk_Canvas) canvasPtr, itemPtr,
canvasPtr->display, (unsigned long) PrinterDrawable/*pixmap*/, screenX1, screenY1, width,
height);
}
EndPage(pd.hDC);
}
}
EndDoc(pd.hDC);
done:
return TCL_OK;
error:
return TCL_ERROR;
}
static void
ide_delete_print_canvas_command(ClientData clientData)
{
/* destructor code here.*/
}
int
ide_create_printcanvas_command (Tcl_Interp *interp)
{
/* initialization code here */
if (Tcl_CreateCommand(interp, "ide_print_canvas", PrintCanvasCmd,
NULL, ide_delete_print_canvas_command) == NULL)
return TCL_ERROR;
return TCL_OK;
}
#endif /* _WIN32 */
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