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/** \file
* \brief Windows Printer Driver
*
* See Copyright Notice in cd.h
*/
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "cdwin.h"
#include "cdprint.h"
#ifndef DC_COLORDEVICE
#define DC_COLORDEVICE 32 /* declared only if WINVER 0x0500 */
#endif
/*
%F cdKillCanvas para Printer.
Termina a pagina e termina o documento, enviando-o para a impressora.
*/
static void cdkillcanvas (cdCtxCanvas *ctxcanvas)
{
EndPage(ctxcanvas->hDC);
EndDoc(ctxcanvas->hDC);
cdwKillCanvas(ctxcanvas);
DeleteDC(ctxcanvas->hDC);
memset(ctxcanvas, 0, sizeof(cdCtxCanvas));
free(ctxcanvas);
}
/*
%F cdFlush para Printer.
Termina uma pagina e inicia outra.
*/
static void cdflush(cdCtxCanvas *ctxcanvas)
{
GdiFlush();
EndPage(ctxcanvas->hDC);
StartPage(ctxcanvas->hDC);
cdwRestoreDC(ctxcanvas);
}
/*
%F cdCreateCanvas para Impresora.
Usa a impressora default.
*/
static void cdcreatecanvas(cdCanvas* canvas, void *data)
{
cdCtxCanvas* ctxcanvas;
char *data_str = (char*) data;
char docname[256] = "CD - Canvas Draw Document";
DOCINFO di;
HDC hDC;
int dialog = 0, wtype;
PRINTDLG pd;
/* Inicializa parametros */
if (data_str == NULL)
return;
if (data_str[0] != 0)
{
char *ptr = strstr(data_str, "-d");
if (ptr != NULL)
dialog = 1;
if (data_str[0] != '-')
{
strcpy(docname, data_str);
if (dialog)
docname[ptr - data_str - 1] = 0;
}
}
ZeroMemory(&pd, sizeof(PRINTDLG));
pd.lStructSize = sizeof(PRINTDLG);
pd.nCopies = 1;
if (dialog)
{
pd.Flags = PD_RETURNDC | PD_USEDEVMODECOPIES | PD_COLLATE | PD_NOPAGENUMS | PD_NOSELECTION;
pd.hwndOwner = GetForegroundWindow();
}
else
{
pd.Flags = PD_RETURNDC | PD_RETURNDEFAULT;
}
if (!PrintDlg(&pd))
{
if(pd.hDevMode)
GlobalFree(pd.hDevMode);
if(pd.hDevNames)
GlobalFree(pd.hDevNames);
return;
}
hDC = pd.hDC;
/* Inicializa documento */
di.cbSize = sizeof(DOCINFO);
di.lpszDocName = docname;
di.lpszOutput = (LPTSTR) NULL;
di.lpszDatatype = (LPTSTR) NULL;
di.fwType = 0;
StartDoc(hDC, &di);
StartPage(hDC);
wtype = CDW_EMF;
/* Inicializa driver WIN32 */
ctxcanvas = cdwCreateCanvas(canvas, NULL, hDC, wtype);
canvas->w = GetDeviceCaps(hDC, HORZRES);
canvas->h = GetDeviceCaps(hDC, VERTRES);
canvas->w_mm = (double) GetDeviceCaps(hDC, HORZSIZE);
canvas->h_mm = (double) GetDeviceCaps(hDC, VERTSIZE);
canvas->bpp = GetDeviceCaps(hDC, BITSPIXEL);
canvas->xres = canvas->w / canvas->w_mm;
canvas->yres = canvas->h / canvas->h_mm;
ctxcanvas->clip_pnt[2].x = ctxcanvas->clip_pnt[1].x = canvas->w - 1;
ctxcanvas->clip_pnt[3].y = ctxcanvas->clip_pnt[2].y = canvas->h - 1;
/* PDF Writer returns bpp=1, so we check if color is supported and overwrite this value */
if (canvas->bpp==1 && pd.hDevNames)
{
unsigned char* devnames = (unsigned char*)GlobalLock(pd.hDevNames);
DEVNAMES* dn = (DEVNAMES*)devnames;
char* name = (char*)(devnames + dn->wDeviceOffset);
char* port = (char*)(devnames + dn->wOutputOffset);
if (DeviceCapabilities(name, port, DC_COLORDEVICE, NULL, NULL))
canvas->bpp = 24;
GlobalUnlock(pd.hDevNames);
}
if(pd.hDevMode)
GlobalFree(pd.hDevMode);
if(pd.hDevNames)
GlobalFree(pd.hDevNames);
}
static void cdinittable(cdCanvas* canvas)
{
cdwInitTable(canvas);
canvas->cxKillCanvas = cdkillcanvas;
canvas->cxFlush = cdflush;
}
static cdContext cdPrinterContext =
{
CD_CAP_ALL & ~(CD_CAP_CLEAR | CD_CAP_PLAY | CD_CAP_YAXIS |
CD_CAP_IMAGERGBA | CD_CAP_GETIMAGERGB | CD_CAP_IMAGESRV |
CD_CAP_FPRIMTIVES ),
0,
cdcreatecanvas,
cdinittable,
NULL,
NULL
};
cdContext* cdContextPrinter(void)
{
if (cdUseContextPlus(CD_QUERY))
{
cdContext* ctx = cdGetContextPlus(CD_CTX_PRINTER);
if (ctx != NULL)
return ctx;
}
return &cdPrinterContext;
}
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