Initial import of the CDE 2.1.30 sources from the Open Group.

2012-03-10 18:21:40 +00:00
commit 83b6996daa
18978 changed files with 3945623 additions and 0 deletions
--- a/cde/lib/DtHelp/VirtFuncs.c
+++ b/cde/lib/DtHelp/VirtFuncs.c
@@ -0,0 +1,133 @@
+/* $XConsortium: VirtFuncs.c /main/8 1995/12/18 16:24:06 cde-hp $ */
+/************************************<+>*************************************
+ ****************************************************************************
+ **
+ **   File:  VirtFuncs.c
+ **
+ **   Project: Cde 1.0
+ **
+ **   Description:
+ **
+ **  (c) Copyright 1987, 1988, 1989, 1990, 1991, 1992 Hewlett-Packard Company
+ **
+ **  (c) Copyright 1993, 1994 Hewlett-Packard Company
+ **  (c) Copyright 1993, 1994 International Business Machines Corp.
+ **  (c) Copyright 1993, 1994 Sun Microsystems, Inc.
+ **  (c) Copyright 1993, 1994 Novell, Inc.
+ **
+ **
+ **
+ ****************************************************************************
+ ************************************<+>*************************************/
+
+/*
+ * system includes
+ */
+#include <stdlib.h>
+#include <string.h>
+
+/*
+ * Canvas Engine includes
+ */
+#include "CanvasP.h"
+#include "CanvasSegP.h"
+
+/*
+ * private includes
+ */
+#include "CanvasI.h"
+#include "VirtFuncsI.h"
+
+#ifdef NLS16
+#endif
+
+/********    Private Function Declarations    ********/
+/********    End Private Function Declarations    ********/
+
+/*****************************************************************************
+ *		Private Defines
+ *****************************************************************************/
+/*****************************************************************************
+ *		Private Variables
+ *****************************************************************************/
+/*****************************************************************************
+ *		Semi-Private Variables
+ *****************************************************************************/
+/*****************************************************************************
+ *		Private Functions
+ *****************************************************************************/
+/*****************************************************************************
+ *		Semi-Public Functions
+ *****************************************************************************/
+/******************************************************************************
+ * Function:    _DtCvUnit _DtCvGetStringWidth (_DtCanvasStruct *canvas,
+ *				_DtCvSegment *segment, char *string, int len)
+ *
+ * Parameters:
+ *
+ * Returns:
+ *
+ *****************************************************************************/
+_DtCvUnit
+_DtCvGetStringWidth (
+    _DtCanvasStruct      *canvas,
+    _DtCvSegment           *segment,
+    void                *string,
+    int                  len)
+{
+    _DtCvUnit	result = -1;
+    _DtCvStringInfo strInfo;
+
+    strInfo.string   = string;
+    strInfo.byte_len = len;
+    strInfo.wc       = _DtCvIsSegWideChar(segment);
+    strInfo.font_ptr = _DtCvFontOfStringSeg(segment);
+
+    if (canvas->virt_functions.get_width != NULL)
+	result = (*(canvas->virt_functions.get_width)) (
+			canvas->client_data, _DtCvSTRING_TYPE,
+			(_DtCvPointer) &strInfo);
+    if (result < 0)
+	result = 0;
+
+    return result;
+
+} /* End _DtCvGetStringWidth */
+
+/******************************************************************************
+ * Function:    void _DtCvFontMetrics (_DtCanvasStruct canvas,
+ *
+ * Parameters:
+ *
+ * Returns:
+ *
+ * Purpose:
+ *
+ ******************************************************************************/
+void
+_DtCvFontMetrics(
+    _DtCanvasStruct	*canvas,
+    _DtCvPointer	 font_handle,
+    _DtCvUnit		*ret_ascent,
+    _DtCvUnit		*ret_descent,
+    _DtCvUnit		*ret_ave,
+    _DtCvUnit		*ret_super_y,
+    _DtCvUnit		*ret_sub_y)
+{
+    if (ret_ascent != NULL)
+	*ret_ascent = 0;
+    if (ret_descent != NULL)
+	*ret_descent = 0;
+    if (ret_ave != NULL)
+	*ret_ave = 0;
+    if (ret_super_y != NULL)
+	*ret_super_y = 0;
+    if (ret_sub_y != NULL)
+	*ret_sub_y = 0;
+
+    if (canvas->virt_functions.get_font_metrics != NULL)
+        (*(canvas->virt_functions.get_font_metrics))(
+		canvas->client_data, font_handle,
+		ret_ascent, ret_descent, ret_ave, ret_super_y, ret_sub_y);
+
+} /* End _DtCvFontMetrics */