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1 files changed, 190 insertions, 0 deletions

diff --git a/src/cairo/cdcairoprn_win32.c b/src/cairo/cdcairoprn_win32.c
new file mode 100644
index 0000000..9869d03
--- /dev/null
+++ b/src/cairo/cdcairoprn_win32.c
@@ -0,0 +1,190 @@
+/** \file
+ * \brief Cairo/GTK Printer Driver  (Win32 Only)
+ *
+ * See Copyright Notice in cd.h
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <windows.h>
+
+#include "cdcairoctx.h"
+#include "cdprint.h"
+
+#include "cairo-win32.h"
+
+
+static void cdkillcanvas(cdCtxCanvas *ctxcanvas)
+{
+  cairo_surface_t* surface = cairo_get_target(ctxcanvas->cr);
+  HDC hDC = cairo_win32_surface_get_dc(surface);
+
+  cairo_surface_finish(surface);
+
+  EndDoc(hDC);
+  DeleteDC(hDC);
+
+  if (ctxcanvas->printername)
+    free(ctxcanvas->printername);
+
+  cdcairoKillCanvas(ctxcanvas);
+}
+
+static void cdflush(cdCtxCanvas *ctxcanvas)
+{
+  cairo_surface_t* surface = cairo_get_target(ctxcanvas->cr);
+  HDC hDC = cairo_win32_surface_get_dc(surface);
+
+  cairo_surface_flush(surface);
+  cairo_show_page(ctxcanvas->cr);
+
+  GdiFlush();
+  EndPage(hDC);
+
+  StartPage(hDC);
+}
+
+static char* get_printername_attrib(cdCtxCanvas* ctxcanvas)
+{
+  return ctxcanvas->printername;
+}
+
+static cdAttribute printername_attrib =
+{
+  "PRINTERNAME",
+  NULL,
+  get_printername_attrib
+}; 
+
+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;
+  PRINTDLG pd;
+  HRGN clip_hrgn;
+
+  /* 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; 
+
+  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 = (double)canvas->w / canvas->w_mm;
+  canvas->yres = (double)canvas->h / canvas->h_mm;
+
+  /* The DC will be queried for its initial clip extents, and this will be used as the size of the cairo surface. */
+  clip_hrgn = CreateRectRgn(0, 0, canvas->w, canvas->h);
+  SelectClipRgn(hDC, clip_hrgn);
+  DeleteObject(clip_hrgn);
+
+  ctxcanvas = cdcairoCreateCanvas(canvas, cairo_create(cairo_win32_printing_surface_create(hDC)));
+  
+  di.cbSize = sizeof(DOCINFO);
+  di.lpszDocName = docname;
+  di.lpszOutput = (LPTSTR) NULL;
+  di.lpszDatatype = (LPTSTR) NULL; 
+  di.fwType = 0; 
+
+  StartDoc(hDC, &di);
+  
+  StartPage(hDC);
+
+  if (pd.hDevNames)
+  {
+    unsigned char* devnames = (unsigned char*)GlobalLock(pd.hDevNames);
+    DEVNAMES* dn = (DEVNAMES*)devnames;
+    char* device = (char*)(devnames + dn->wDeviceOffset);
+
+    ctxcanvas->printername = cdStrDup(device);
+    cdRegisterAttribute(canvas, &printername_attrib);
+
+    /* PDF Writer returns bpp=1, so we check if color is supported and overwrite this value */
+    if (canvas->bpp==1)
+    {
+      char* port = (char*)(devnames + dn->wOutputOffset);
+      if (DeviceCapabilities(device, 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)
+{
+  cdcairoInitTable(canvas);
+  
+  canvas->cxFlush = cdflush;
+  canvas->cxKillCanvas = cdkillcanvas;
+}
+
+static cdContext cdPrinterCairoContext =
+{
+  CD_CAP_ALL & ~(CD_CAP_PLAY | CD_CAP_YAXIS | CD_CAP_REGION | CD_CAP_GETIMAGERGB |
+                 CD_CAP_WRITEMODE | CD_CAP_PALETTE | CD_CAP_IMAGESRV),
+  0,
+  cdcreatecanvas,
+  cdinittable,
+  NULL,
+  NULL,
+};
+
+cdContext* cdContextCairoPrinter(void)
+{
+  return &cdPrinterCairoContext;
+}