FreeType 1.31.1

test/gdriver.h

@@ -0,0 +1,55 @@
+/*******************************************************************
+ *
+ *  gdriver.h : Graphics utility driver generic interface       1.1
+ *
+ *  Generic interface for all drivers of the graphics utility used
+ *  by the FreeType test programs.
+ *
+ *  Copyright 1996-1999 by
+ *  David Turner, Robert Wilhelm, and Werner Lemberg.
+ *
+ *  This file is part of the FreeType project, and may only be used
+ *  modified and distributed under the terms of the FreeType project
+ *  license, LICENSE.TXT.  By continuing to use, modify or distribute
+ *  this file you indicate that you have read the license and
+ *  understand and accept it fully.
+ *
+ ******************************************************************/
+
+#ifndef GDRIVER_H
+#define GDRIVER_H
+
+  /* Note that we now support an event based model, even with   */
+  /* full-screen modes.  It is the responsability of the driver */
+  /* to map its events to the TEvent structure when called      */
+  /* through Get_Event.                                         */
+
+  /* The event classes are defined in the file 'gevents.h' included */
+  /* by the test programs, not by the graphics utility.             */
+
+  typedef struct  _TEvent
+  {
+    int  what; /* event class     */
+    int  info; /* event parameter */
+  } TEvent;
+
+
+  /* Get last event.  In full-screen modes, a keystroke must be */
+  /* translated to an event class with a parameter.             */
+  void  Get_Event( TEvent*  event );
+
+  /* A call to this function must set the graphics mode, the Vio  */
+  /* variable, as well as the values vio_ScanLineWidth, vio_Width */
+  /* and vio_Height.                                              */
+  int  Driver_Set_Graphics( int  mode );
+
+  /* Restore previous mode or release display buffer/window */
+  int  Driver_Restore_Mode( void );
+
+  /* display bitmap on screen */
+  int  Driver_Display_Bitmap( char*  buffer, int  line, int  col );
+
+#endif /* GDRIVER_H */
+
+
+/* End */