Initial revisionXORG-STABLE

1 files changed, 124 insertions, 0 deletions

diff --git a/src/Info.c b/src/Info.c
new file mode 100644
index 0000000..9bc41c8
--- /dev/null
+++ b/src/Info.c
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+/*
+ * Copyright (C) 1989-95 GROUPE BULL
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of GROUPE BULL shall not be
+ * used in advertising or otherwise to promote the sale, use or other dealings
+ * in this Software without prior written authorization from GROUPE BULL.
+ */
+
+/*****************************************************************************\
+*  Info.c:                                                                    *
+*                                                                             *
+*  XPM library                                                                *
+*  Functions related to the XpmInfo structure.                                *
+*                                                                             *
+*  Developed by Arnaud Le Hors                                                *
+\*****************************************************************************/
+
+#include "XpmI.h"
+
+/*
+ * Init returned data to free safely later on
+ */
+void
+xpmInitXpmInfo(info)
+    XpmInfo *info;
+{
+    if (info) {
+	info->hints_cmt = NULL;
+	info->colors_cmt = NULL;
+	info->pixels_cmt = NULL;
+	info->extensions = NULL;
+	info->nextensions = 0;
+    }
+}
+
+/*
+ * Free the XpmInfo data which have been allocated
+ */
+void
+XpmFreeXpmInfo(info)
+    XpmInfo *info;
+{
+    if (info) {
+	if (info->valuemask & XpmComments) {
+	    if (info->hints_cmt) {
+		XpmFree(info->hints_cmt);
+		info->hints_cmt = NULL;
+	    }
+	    if (info->colors_cmt) {
+		XpmFree(info->colors_cmt);
+		info->colors_cmt = NULL;
+	    }
+	    if (info->pixels_cmt) {
+		XpmFree(info->pixels_cmt);
+		info->pixels_cmt = NULL;
+	    }
+	}
+	if (info->valuemask & XpmReturnExtensions && info->nextensions) {
+	    XpmFreeExtensions(info->extensions, info->nextensions);
+	    info->extensions = NULL;
+	    info->nextensions = 0;
+	}
+	info->valuemask = 0;
+    }
+}
+
+/*
+ * Set the XpmInfo valuemask to retrieve required info
+ */
+void
+xpmSetInfoMask(info, attributes)
+    XpmInfo *info;
+    XpmAttributes *attributes;
+{
+    info->valuemask = 0;
+    if (attributes->valuemask & XpmReturnInfos)
+	info->valuemask |= XpmReturnComments;
+    if (attributes->valuemask & XpmReturnExtensions)
+	info->valuemask |= XpmReturnExtensions;
+}
+
+/*
+ * Fill in the XpmInfo with the XpmAttributes
+ */
+void
+xpmSetInfo(info, attributes)
+    XpmInfo *info;
+    XpmAttributes *attributes;
+{
+    info->valuemask = 0;
+    if (attributes->valuemask & XpmInfos) {
+	info->valuemask |= XpmComments | XpmColorTable;
+	info->hints_cmt = attributes->hints_cmt;
+	info->colors_cmt = attributes->colors_cmt;
+	info->pixels_cmt = attributes->pixels_cmt;
+    }
+    if (attributes->valuemask & XpmExtensions) {
+	info->valuemask |= XpmExtensions;
+	info->extensions = attributes->extensions;
+	info->nextensions = attributes->nextensions;
+    }
+    if (attributes->valuemask & XpmHotspot) {
+	info->valuemask |= XpmHotspot;
+	info->x_hotspot = attributes->x_hotspot;
+	info->y_hotspot = attributes->y_hotspot;
+    }
+}