[lcd4linux @ 2006-07-31 03:48:09 by reinelt]

preparations for scrolling

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@680 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

1 files changed, 119 insertions, 0 deletions

diff --git a/drv_generic.c b/drv_generic.c
new file mode 100644
index 0000000..d898a85
--- /dev/null
+++ b/drv_generic.c
@@ -0,0 +1,119 @@
+/* $Id: drv_generic.c,v 1.4 2006/07/31 03:48:09 reinelt Exp $
+ *
+ * generic driver helper
+ *
+ * Copyright (C) 2006 Michael Reinelt <reinelt@eunet.at>
+ * Copyright (C) 2006 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ *
+ * This file is part of LCD4Linux.
+ *
+ * LCD4Linux is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * LCD4Linux is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ * $Log: drv_generic.c,v $
+ * Revision 1.4  2006/07/31 03:48:09  reinelt
+ * preparations for scrolling
+ *
+ */
+
+/* 
+ *
+ * exported functions:
+ *
+ * drv_generic_init (void)
+ *   initializes generic stuff and registers plugins
+ *
+ */
+
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "debug.h"
+#include "plugin.h"
+#include "drv_generic.h"
+
+#ifdef WITH_DMALLOC
+#include <dmalloc.h>
+#endif
+
+/* these values are chars (text displays) or pixels (graphic displays) */
+
+int LROWS = 0;			/* layout size: rows */
+int LCOLS = 0;			/* layout size: columns */
+
+int DROWS = 4;			/* display size:  rows */
+int DCOLS = 20;			/* display size: columns */
+
+int XRES = 6;			/* pixel widtht of one char */
+int YRES = 8;			/* pixel height of one char */
+
+
+void (*drv_generic_blit) () = NULL;
+
+
+static void my_drows(RESULT * result)
+{
+    double value = DROWS;
+    SetResult(&result, R_NUMBER, &value);
+}
+
+static void my_dcols(RESULT * result)
+{
+    double value = DCOLS;
+    SetResult(&result, R_NUMBER, &value);
+}
+
+static void my_xres(RESULT * result)
+{
+    double value = XRES;
+    SetResult(&result, R_NUMBER, &value);
+}
+
+static void my_yres(RESULT * result)
+{
+    double value = YRES;
+    SetResult(&result, R_NUMBER, &value);
+}
+
+static void my_lrows(RESULT * result)
+{
+    double value = LROWS;
+    SetResult(&result, R_NUMBER, &value);
+}
+
+static void my_lcols(RESULT * result)
+{
+    double value = LCOLS;
+    SetResult(&result, R_NUMBER, &value);
+}
+
+int drv_generic_init(void)
+{
+
+    AddFunction("LCD::height", 0, my_drows);
+    AddFunction("LCD::width", 0, my_dcols);
+
+    AddFunction("LCD::xres", 0, my_xres);
+    AddFunction("LCD::yres", 0, my_yres);
+
+    AddFunction("Layout::height", 0, my_lrows);
+    AddFunction("Layout::width", 0, my_lcols);
+
+    return 0;
+}