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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.
+ */
+
+/*****************************************************************************\
+* Attrib.c: *
+* *
+* XPM library *
+* Functions related to the XpmAttributes structure *
+* *
+* Developed by Arnaud Le Hors *
+\*****************************************************************************/
+
+#include "XpmI.h"
+
+/* 3.2 backward compatibility code */
+LFUNC(CreateOldColorTable, int, (XpmColor *ct, int ncolors,
+ XpmColor ***oldct));
+
+LFUNC(FreeOldColorTable, void, (XpmColor **colorTable, int ncolors));
+
+/*
+ * Create a colortable compatible with the old style colortable
+ */
+static int
+CreateOldColorTable(ct, ncolors, oldct)
+ XpmColor *ct;
+ int ncolors;
+ XpmColor ***oldct;
+{
+ XpmColor **colorTable, **color;
+ int a;
+
+ colorTable = (XpmColor **) XpmMalloc(ncolors * sizeof(XpmColor *));
+ if (!colorTable) {
+ *oldct = NULL;
+ return (XpmNoMemory);
+ }
+ for (a = 0, color = colorTable; a < ncolors; a++, color++, ct++)
+ *color = ct;
+ *oldct = colorTable;
+ return (XpmSuccess);
+}
+
+static void
+FreeOldColorTable(colorTable, ncolors)
+ XpmColor **colorTable;
+ int ncolors;
+{
+ int a, b;
+ XpmColor **color;
+ char **sptr;
+
+ if (colorTable) {
+ for (a = 0, color = colorTable; a < ncolors; a++, color++) {
+ for (b = 0, sptr = (char **) *color; b <= NKEYS; b++, sptr++)
+ if (*sptr)
+ XpmFree(*sptr);
+ }
+ XpmFree(*colorTable);
+ XpmFree(colorTable);
+ }
+}
+
+/* end 3.2 bc */
+
+/*
+ * Free the computed color table
+ */
+void
+xpmFreeColorTable(colorTable, ncolors)
+ XpmColor *colorTable;
+ int ncolors;
+{
+ int a, b;
+ XpmColor *color;
+ char **sptr;
+
+ if (colorTable) {
+ for (a = 0, color = colorTable; a < ncolors; a++, color++) {
+ for (b = 0, sptr = (char **) color; b <= NKEYS; b++, sptr++)
+ if (*sptr)
+ XpmFree(*sptr);
+ }
+ XpmFree(colorTable);
+ }
+}
+
+/*
+ * Free array of extensions
+ */
+void
+XpmFreeExtensions(extensions, nextensions)
+ XpmExtension *extensions;
+ int nextensions;
+{
+ unsigned int i, j, nlines;
+ XpmExtension *ext;
+ char **sptr;
+
+ if (extensions) {
+ for (i = 0, ext = extensions; i < nextensions; i++, ext++) {
+ if (ext->name)
+ XpmFree(ext->name);
+ nlines = ext->nlines;
+ for (j = 0, sptr = ext->lines; j < nlines; j++, sptr++)
+ if (*sptr)
+ XpmFree(*sptr);
+ if (ext->lines)
+ XpmFree(ext->lines);
+ }
+ XpmFree(extensions);
+ }
+}
+
+/*
+ * Return the XpmAttributes structure size
+ */
+
+int
+XpmAttributesSize()
+{
+ return sizeof(XpmAttributes);
+}
+
+/*
+ * Init returned data to free safely later on
+ */
+void
+xpmInitAttributes(attributes)
+ XpmAttributes *attributes;
+{
+ if (attributes) {
+ attributes->pixels = NULL;
+ attributes->npixels = 0;
+ attributes->colorTable = NULL;
+ attributes->ncolors = 0;
+/* 3.2 backward compatibility code */
+ attributes->hints_cmt = NULL;
+ attributes->colors_cmt = NULL;
+ attributes->pixels_cmt = NULL;
+/* end 3.2 bc */
+ if (attributes->valuemask & XpmReturnExtensions) {
+ attributes->extensions = NULL;
+ attributes->nextensions = 0;
+ }
+ if (attributes->valuemask & XpmReturnAllocPixels) {
+ attributes->alloc_pixels = NULL;
+ attributes->nalloc_pixels = 0;
+ }
+ }
+}
+
+/*
+ * Fill in the XpmAttributes with the XpmImage and the XpmInfo
+ */
+void
+xpmSetAttributes(attributes, image, info)
+ XpmAttributes *attributes;
+ XpmImage *image;
+ XpmInfo *info;
+{
+ if (attributes->valuemask & XpmReturnColorTable) {
+ attributes->colorTable = image->colorTable;
+ attributes->ncolors = image->ncolors;
+
+ /* avoid deletion of copied data */
+ image->ncolors = 0;
+ image->colorTable = NULL;
+ }
+/* 3.2 backward compatibility code */
+ else if (attributes->valuemask & XpmReturnInfos) {
+ int ErrorStatus;
+
+ ErrorStatus = CreateOldColorTable(image->colorTable, image->ncolors,
+ (XpmColor ***)
+ &attributes->colorTable);
+
+ /* if error just say we can't return requested data */
+ if (ErrorStatus != XpmSuccess) {
+ attributes->valuemask &= ~XpmReturnInfos;
+ if (!(attributes->valuemask & XpmReturnPixels)) {
+ XpmFree(attributes->pixels);
+ attributes->pixels = NULL;
+ attributes->npixels = 0;
+ }
+ attributes->ncolors = 0;
+ } else {
+ attributes->ncolors = image->ncolors;
+ attributes->hints_cmt = info->hints_cmt;
+ attributes->colors_cmt = info->colors_cmt;
+ attributes->pixels_cmt = info->pixels_cmt;
+
+ /* avoid deletion of copied data */
+ image->ncolors = 0;
+ image->colorTable = NULL;
+ info->hints_cmt = NULL;
+ info->colors_cmt = NULL;
+ info->pixels_cmt = NULL;
+ }
+ }
+/* end 3.2 bc */
+ if (attributes->valuemask & XpmReturnExtensions) {
+ attributes->extensions = info->extensions;
+ attributes->nextensions = info->nextensions;
+
+ /* avoid deletion of copied data */
+ info->extensions = NULL;
+ info->nextensions = 0;
+ }
+ if (info->valuemask & XpmHotspot) {
+ attributes->valuemask |= XpmHotspot;
+ attributes->x_hotspot = info->x_hotspot;
+ attributes->y_hotspot = info->y_hotspot;
+ }
+ attributes->valuemask |= XpmCharsPerPixel;
+ attributes->cpp = image->cpp;
+ attributes->valuemask |= XpmSize;
+ attributes->width = image->width;
+ attributes->height = image->height;
+}
+
+/*
+ * Free the XpmAttributes structure members
+ * but the structure itself
+ */
+void
+XpmFreeAttributes(attributes)
+ XpmAttributes *attributes;
+{
+ if (attributes->valuemask & XpmReturnPixels && attributes->npixels) {
+ XpmFree(attributes->pixels);
+ attributes->pixels = NULL;
+ attributes->npixels = 0;
+ }
+ if (attributes->valuemask & XpmReturnColorTable) {
+ xpmFreeColorTable(attributes->colorTable, attributes->ncolors);
+ attributes->colorTable = NULL;
+ attributes->ncolors = 0;
+ }
+/* 3.2 backward compatibility code */
+ else if (attributes->valuemask & XpmInfos) {
+ if (attributes->colorTable) {
+ FreeOldColorTable((XpmColor **) attributes->colorTable,
+ attributes->ncolors);
+ attributes->colorTable = NULL;
+ attributes->ncolors = 0;
+ }
+ if (attributes->hints_cmt) {
+ XpmFree(attributes->hints_cmt);
+ attributes->hints_cmt = NULL;
+ }
+ if (attributes->colors_cmt) {
+ XpmFree(attributes->colors_cmt);
+ attributes->colors_cmt = NULL;
+ }
+ if (attributes->pixels_cmt) {
+ XpmFree(attributes->pixels_cmt);
+ attributes->pixels_cmt = NULL;
+ }
+ if (attributes->pixels) {
+ XpmFree(attributes->pixels);
+ attributes->pixels = NULL;
+ attributes->npixels = 0;
+ }
+ }
+/* end 3.2 bc */
+ if (attributes->valuemask & XpmReturnExtensions
+ && attributes->nextensions) {
+ XpmFreeExtensions(attributes->extensions, attributes->nextensions);
+ attributes->extensions = NULL;
+ attributes->nextensions = 0;
+ }
+ if (attributes->valuemask & XpmReturnAllocPixels
+ && attributes->nalloc_pixels) {
+ XpmFree(attributes->alloc_pixels);
+ attributes->alloc_pixels = NULL;
+ attributes->nalloc_pixels = 0;
+ }
+ attributes->valuemask = 0;
+}
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