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

cde/lib/DtHelp/FontAttr.c

@@ -0,0 +1,213 @@
+/* $XConsortium: FontAttr.c /main/8 1996/01/29 12:19:57 cde-hp $ */
+/************************************<+>*************************************
+ ****************************************************************************
+ **
+ **   File:	Font.c
+ **
+ **   Project:     Text Graphic Display Library
+ **
+ **   Description: Semi private format utility functions that do not
+ **		   require the Display Area, Motif, Xt or X11.
+ **
+ **
+ **  (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 <string.h>
+
+/*
+ * private includes
+ */
+#include "FontAttrI.h"
+
+#ifdef NLS16
+#endif
+
+/********    Private Function Declarations    ********/
+/********    End Public Function Declarations    ********/
+
+/******************************************************************************
+ *
+ * Private variables and defines.
+ *
+ *****************************************************************************/
+#ifndef	NULL
+#define	NULL	0
+#endif
+
+static	_DtHelpFontHints	DefaultFontAttrs =
+  {
+	"C",
+	"ISO-8859-1",
+	10, 0,				/* pointsz, setsize */
+	  NULL,					/* color            */
+	  NULL, NULL, NULL, NULL,		/* xlfd strings     */
+	  NULL, NULL, NULL, NULL,		/* MS-Win strings   */
+	_DtHelpFontStyleSanSerif,
+	_DtHelpFontSpacingProp  ,
+	_DtHelpFontWeightMedium ,
+	_DtHelpFontSlantRoman   ,
+	_DtHelpFontSpecialNone  ,
+	NULL
+  };
+
+/******************************************************************************
+ *
+ * Private Functions
+ *
+ *****************************************************************************/
+static int
+HintDuplicate(char **string)
+{
+    if (NULL != *string)
+      {
+	*string = strdup(*string);
+	if (NULL == *string)
+	    return -1;
+      }
+
+    return 0;
+}
+
+/******************************************************************************
+ *
+ * Semi Public Functions
+ *
+ *****************************************************************************/
+/******************************************************************************
+ * Function:	void _DtHelpCeCopyDefFontAttrList (char **font_attr)
+ *
+ * Parameters:	font_attr	Specifies the font attribute list
+ *
+ * Return Value: void
+ *
+ * Purpose:	Initialize a font attribute list to the default.
+ *		Sets '_DtMB_LEN_MAX' to the default character size.
+ *
+ *****************************************************************************/
+void
+_DtHelpCeCopyDefFontAttrList (_DtHelpFontHints *font_attr )
+{
+    *font_attr = DefaultFontAttrs;
+}
+
+/******************************************************************************
+ * Function:	void _DtHelpFreeFontHints (
+ *
+ * Parameters:	font_hints	Specifies the font hint structure
+ *
+ * Return Value: void
+ *
+ * Purpose:	frees the strings in the font structure.
+ *
+ *****************************************************************************/
+void
+_DtHelpFreeFontHints (_DtHelpFontHints *font_hints )
+{
+    /*
+     * do the language and charset
+     */
+    if (NULL != font_hints->language)
+        free(font_hints->language);
+    if (NULL != font_hints->char_set)
+        free(font_hints->char_set);
+
+    /*
+     * do the color
+     */
+    if (NULL != font_hints->color)
+        free(font_hints->color);
+
+    /*
+     * do the xlfd fonts
+     */
+    if (NULL != font_hints->xlfd)
+        free(font_hints->xlfd);
+    if (NULL != font_hints->xlfdb)
+        free(font_hints->xlfdb);
+    if (NULL != font_hints->xlfdi)
+        free(font_hints->xlfdi);
+    if (NULL != font_hints->xlfdib)
+        free(font_hints->xlfdib);
+
+    /*
+     * do the ms-windows fonts
+     */
+    if (NULL != font_hints->typenam)
+        free(font_hints->typenam);
+    if (NULL != font_hints->typenamb)
+        free(font_hints->typenamb);
+    if (NULL != font_hints->typenami)
+        free(font_hints->typenami);
+    if (NULL != font_hints->typenamib)
+        free(font_hints->typenamib);
+}
+
+/******************************************************************************
+ * Function:	void _DtHelpDupFontHints (
+ *
+ * Parameters:	font_hints	Specifies the font hint structure
+ *
+ * Return Value: 0 for successful, -1 if failures.
+ *
+ * Purpose:	to the dup the strings in the font hint structure.
+ *
+ *****************************************************************************/
+int
+_DtHelpDupFontHints (_DtHelpFontHints *font_hints )
+{
+    int result = 0;
+
+    /*
+     * do the language and charset
+     */
+    if (-1 == HintDuplicate(&(font_hints->language)))
+	result = -1;
+    if (-1 == HintDuplicate(&(font_hints->char_set)))
+	result = -1;
+
+    /*
+     * do the color
+     */
+    if (-1 == HintDuplicate(&(font_hints->color)))
+	result = -1;
+
+    /*
+     * do the xlfd fonts
+     */
+    if (-1 == HintDuplicate(&(font_hints->xlfd)))
+	result = -1;
+    if (-1 == HintDuplicate(&(font_hints->xlfdb)))
+	result = -1;
+    if (-1 == HintDuplicate(&(font_hints->xlfdi)))
+	result = -1;
+    if (-1 == HintDuplicate(&(font_hints->xlfdib)))
+	result = -1;
+
+    /*
+     * do the ms-windows fonts
+     */
+    if (-1 == HintDuplicate(&(font_hints->typenam)))
+	result = -1;
+    if (-1 == HintDuplicate(&(font_hints->typenamb)))
+	result = -1;
+    if (-1 == HintDuplicate(&(font_hints->typenami)))
+	result = -1;
+    if (-1 == HintDuplicate(&(font_hints->typenamib)))
+	result = -1;
+
+    if (-1 == result)
+	_DtHelpFreeFontHints(font_hints);
+
+    return result;
+}