FreeType 1.31.1

contrib/win32/driver32.c

@@ -0,0 +1,106 @@
+/*********************************************************/
+/* Test program driver for freetype  on Win32 Platform   */
+/* CopyRight(left) G. Ramat 1998 (gcramat@radiostudio.it)*/
+/*                                                       */
+/*********************************************************/
+
+#include <setjmp.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <windows.h>
+
+#include "freetype.h"
+#include "gdriver.h"
+
+HANDLE    evgetevent,evdriverdisplaybitmap,this_wnd,main_thread,listbox,bitmap;
+TEvent    evevent;
+char message_32[256];
+char *ev_buffer;
+jmp_buf Env;
+long TTMemory_Allocated = 0;  // just to have a clean link with ftdump 
+// save last rendered image Data
+int   save_lines,save_cols,exit_code;
+char *save_buffer;
+extern int vio_Width,vio_Height,vio_ScanLineWidth;
+extern  TT_Raster_Map  Bit;
+HDC hdc,memdc;
+HBITMAP hbm,hbm1;
+
+//________________________________________________________________________________
+void Get_Event(TEvent *event)
+{   
+	WaitForSingleObject(evgetevent,INFINITE);  // wait for completion
+    *event=evevent;       //set by message handler before posting waited upon event
+	return;
+}
+
+int  Driver_Set_Graphics( int  mode )
+{   RECT rect;
+	 GetClientRect(bitmap,&rect);
+	 vio_Width=rect.right-rect.left;
+	 vio_Height = rect.bottom-rect.top;
+	 vio_ScanLineWidth=vio_Width;
+	 return 1;
+	 
+ }
+int	 Driver_Restore_Mode()
+{return 1;}
+
+int  Driver_Display_Bitmap( char*  buffer, int  lines, int  cols )
+ {
+  long rc;
+  int i;
+  char *top,*bottom;
+  HANDLE rgdi;
+  RECT rect;
+  char *w_buffer;
+//  bitmap=listbox;
+  hdc=GetDC(bitmap);
+  memdc=CreateCompatibleDC(hdc);
+  GetClientRect(bitmap,&rect);
+  //hbm=CreateCompatibleBitmap(hdc,lines,cols);
+  // need to  set upside down bitmap .
+  if (buffer != save_buffer)     //new buffer
+  {
+    if (save_buffer!=NULL) 
+	  free(save_buffer);
+    save_buffer=(char *)malloc(Bit.size);
+    memcpy(save_buffer,buffer,Bit.size);
+  }
+  w_buffer=malloc(Bit.size);  // hope it succeeds 
+  top=buffer;
+  bottom=w_buffer+Bit.size-cols;
+  for(i=0;i<Bit.size;i+=cols)
+  { 
+    memcpy(bottom,top,cols);
+	top+=cols;
+	bottom-=cols;  
+  };
+  save_lines=lines;
+  save_cols=cols;
+  hbm=CreateBitmap(vio_Width,vio_Height,1,1,w_buffer);
+  rgdi=SelectObject(memdc,hbm);
+ // rc=SetBitmapBits(hbm,Bit.size,buffer);  //redundant 
+  rc=StretchBlt(hdc,0,0,rect.right,rect.bottom,memdc,0,0,rect.right,rect.bottom,MERGECOPY);
+  ReleaseDC(bitmap,hdc);
+  DeleteObject(memdc);
+  rc=UpdateWindow(bitmap);
+  return 1;
+ }
+
+
+int   call_test_program(int (*program)(int,char**),int argc,char **argv)
+{int rc;
+// prepare return  address ( for exit)
+if(0==setjmp(Env)) //env set : call prog
+  rc=program(argc,argv);
+ return rc;
+}
+
+void force_exit(int code)
+{ char *p=NULL;
+	longjmp(Env,code);
+	//disable piping
+}