1 files changed, 184 insertions, 0 deletions
diff --git a/src/win32/cdwprn.c b/src/win32/cdwprn.c
new file mode 100644
index 0000000..95e4aca
--- /dev/null
+++ b/src/win32/cdwprn.c
@@ -0,0 +1,184 @@
+/** \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;
+}