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-rw-r--r--libXpm/src/WrFFrI.c364
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diff --git a/libXpm/src/WrFFrI.c b/libXpm/src/WrFFrI.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.
+ */
+
+/*****************************************************************************\
+* WrFFrI.c: *
+* *
+* XPM library *
+* Write an image and possibly its mask to an XPM file *
+* *
+* Developed by Arnaud Le Hors *
+\*****************************************************************************/
+/* $XFree86$ */
+
+/*
+ * The code related to AMIGA has been added by
+ * Lorens Younes (d93-hyo@nada.kth.se) 4/96
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "XpmI.h"
+
+#ifndef NO_ZPIPE
+#include "sys/wait.h"
+#include "sys/types.h"
+#include "fcntl.h"
+#include "unistd.h"
+#include "errno.h"
+#endif
+
+/* MS Windows define a function called WriteFile @#%#&!!! */
+LFUNC(xpmWriteFile, int, (FILE *file, XpmImage *image, char *name,
+ XpmInfo *info));
+
+LFUNC(WriteColors, void, (FILE *file, XpmColor *colors, unsigned int ncolors));
+
+LFUNC(WritePixels, int, (FILE *file, unsigned int width, unsigned int height,
+ unsigned int cpp, unsigned int *pixels,
+ XpmColor *colors));
+
+LFUNC(WriteExtensions, void, (FILE *file, XpmExtension *ext,
+ unsigned int num));
+
+LFUNC(OpenWriteFile, int, (char *filename, xpmData *mdata));
+LFUNC(xpmDataClose, void, (xpmData *mdata));
+
+int
+XpmWriteFileFromImage(
+ Display *display,
+ char *filename,
+ XImage *image,
+ XImage *shapeimage,
+ XpmAttributes *attributes)
+{
+ XpmImage xpmimage;
+ XpmInfo info;
+ int ErrorStatus;
+
+ /* create an XpmImage from the image */
+ ErrorStatus = XpmCreateXpmImageFromImage(display, image, shapeimage,
+ &xpmimage, attributes);
+ if (ErrorStatus != XpmSuccess)
+ return (ErrorStatus);
+
+ /* write the file from the XpmImage */
+ if (attributes) {
+ xpmSetInfo(&info, attributes);
+ ErrorStatus = XpmWriteFileFromXpmImage(filename, &xpmimage, &info);
+ } else
+ ErrorStatus = XpmWriteFileFromXpmImage(filename, &xpmimage, NULL);
+
+ /* free the XpmImage */
+ XpmFreeXpmImage(&xpmimage);
+
+ return (ErrorStatus);
+}
+
+int
+XpmWriteFileFromXpmImage(
+ char *filename,
+ XpmImage *image,
+ XpmInfo *info)
+{
+ xpmData mdata;
+ char *name, *dot, *s, new_name[BUFSIZ] = {0};
+ int ErrorStatus;
+
+ /* open file to write */
+ if ((ErrorStatus = OpenWriteFile(filename, &mdata)) != XpmSuccess)
+ return (ErrorStatus);
+
+ /* figure out a name */
+ if (filename) {
+#ifdef VMS
+ name = filename;
+#else
+ if (!(name = strrchr(filename, '/'))
+#ifdef AMIGA
+ && !(name = strrchr(filename, ':'))
+#endif
+ )
+ name = filename;
+ else
+ name++;
+#endif
+ /* let's try to make a valid C syntax name */
+ if (strchr(name, '.')) {
+ strncpy(new_name, name, sizeof(new_name));
+ new_name[sizeof(new_name)-1] = '\0';
+ /* change '.' to '_' */
+ name = s = new_name;
+ while ((dot = strchr(s, '.'))) {
+ *dot = '_';
+ s = dot;
+ }
+ }
+ if (strchr(name, '-')) {
+ if (name != new_name) {
+ strncpy(new_name, name, sizeof(new_name));
+ new_name[sizeof(new_name)-1] = '\0';
+ name = new_name;
+ }
+ /* change '-' to '_' */
+ s = name;
+ while ((dot = strchr(s, '-'))) {
+ *dot = '_';
+ s = dot;
+ }
+ }
+ } else
+ name = "image_name";
+
+ /* write the XpmData from the XpmImage */
+ if (ErrorStatus == XpmSuccess)
+ ErrorStatus = xpmWriteFile(mdata.stream.file, image, name, info);
+
+ xpmDataClose(&mdata);
+
+ return (ErrorStatus);
+}
+
+static int
+xpmWriteFile(
+ FILE *file,
+ XpmImage *image,
+ char *name,
+ XpmInfo *info)
+{
+ /* calculation variables */
+ unsigned int cmts, extensions;
+ int ErrorStatus;
+
+ cmts = info && (info->valuemask & XpmComments);
+ extensions = info && (info->valuemask & XpmExtensions)
+ && info->nextensions;
+
+ /* print the header line */
+ fprintf(file, "/* XPM */\nstatic char * %s[] = {\n", name);
+
+ /* print the hints line */
+ if (cmts && info->hints_cmt)
+ fprintf(file, "/*%s*/\n", info->hints_cmt);
+
+ fprintf(file, "\"%d %d %d %d", image->width, image->height,
+ image->ncolors, image->cpp);
+
+ if (info && (info->valuemask & XpmHotspot))
+ fprintf(file, " %d %d", info->x_hotspot, info->y_hotspot);
+
+ if (extensions)
+ fprintf(file, " XPMEXT");
+
+ fprintf(file, "\",\n");
+
+ /* print colors */
+ if (cmts && info->colors_cmt)
+ fprintf(file, "/*%s*/\n", info->colors_cmt);
+
+ WriteColors(file, image->colorTable, image->ncolors);
+
+ /* print pixels */
+ if (cmts && info->pixels_cmt)
+ fprintf(file, "/*%s*/\n", info->pixels_cmt);
+
+ ErrorStatus = WritePixels(file, image->width, image->height, image->cpp,
+ image->data, image->colorTable);
+ if (ErrorStatus != XpmSuccess)
+ return (ErrorStatus);
+
+ /* print extensions */
+ if (extensions)
+ WriteExtensions(file, info->extensions, info->nextensions);
+
+ /* close the array */
+ fprintf(file, "};\n");
+
+ return (XpmSuccess);
+}
+
+static void
+WriteColors(
+ FILE *file,
+ XpmColor *colors,
+ unsigned int ncolors)
+{
+ unsigned int a, key;
+ char *s;
+ char **defaults;
+
+ for (a = 0; a < ncolors; a++, colors++) {
+
+ defaults = (char **) colors;
+ fprintf(file, "\"%s", *defaults++);
+
+ for (key = 1; key <= NKEYS; key++, defaults++) {
+ if ((s = *defaults))
+ fprintf(file, "\t%s %s", xpmColorKeys[key - 1], s);
+ }
+ fprintf(file, "\",\n");
+ }
+}
+
+
+static int
+WritePixels(
+ FILE *file,
+ unsigned int width,
+ unsigned int height,
+ unsigned int cpp,
+ unsigned int *pixels,
+ XpmColor *colors)
+{
+ char *s, *p, *buf;
+ unsigned int x, y, h;
+
+ h = height - 1;
+ if (cpp != 0 && width >= (UINT_MAX - 3)/cpp)
+ return XpmNoMemory;
+ p = buf = (char *) XpmMalloc(width * cpp + 3);
+ if (!buf)
+ return (XpmNoMemory);
+ *buf = '"';
+ p++;
+ for (y = 0; y < h; y++) {
+ s = p;
+ for (x = 0; x < width; x++, pixels++) {
+ strncpy(s, colors[*pixels].string, cpp);
+ s += cpp;
+ }
+ *s++ = '"';
+ *s = '\0';
+ fprintf(file, "%s,\n", buf);
+ }
+ /* duplicate some code to avoid a test in the loop */
+ s = p;
+ for (x = 0; x < width; x++, pixels++) {
+ strncpy(s, colors[*pixels].string, cpp);
+ s += cpp;
+ }
+ *s++ = '"';
+ *s = '\0';
+ fprintf(file, "%s", buf);
+
+ XpmFree(buf);
+ return (XpmSuccess);
+}
+
+static void
+WriteExtensions(
+ FILE *file,
+ XpmExtension *ext,
+ unsigned int num)
+{
+ unsigned int x, y, n;
+ char **line;
+
+ for (x = 0; x < num; x++, ext++) {
+ fprintf(file, ",\n\"XPMEXT %s\"", ext->name);
+ n = ext->nlines;
+ for (y = 0, line = ext->lines; y < n; y++, line++)
+ fprintf(file, ",\n\"%s\"", *line);
+ }
+ fprintf(file, ",\n\"XPMENDEXT\"");
+}
+
+
+#ifndef NO_ZPIPE
+FUNC(xpmPipeThrough, FILE*, (int fd,
+ const char* cmd,
+ const char* arg1,
+ const char* mode));
+#endif
+
+/*
+ * open the given file to be written as an xpmData which is returned
+ */
+static int
+OpenWriteFile(
+ char *filename,
+ xpmData *mdata)
+{
+ if (!filename) {
+ mdata->stream.file = (stdout);
+ mdata->type = XPMFILE;
+ } else {
+#ifndef NO_ZPIPE
+ size_t len;
+#endif
+ int fd = open(filename, O_WRONLY|O_CREAT|O_TRUNC, 0644);
+ if ( fd < 0 )
+ return(XpmOpenFailed);
+#ifndef NO_ZPIPE
+ len = strlen(filename);
+ if (len > 2 && !strcmp(".Z", filename + (len - 2))) {
+ mdata->stream.file = xpmPipeThrough(fd, "compress", NULL, "w");
+ mdata->type = XPMPIPE;
+ } else if (len > 3 && !strcmp(".gz", filename + (len - 3))) {
+ mdata->stream.file = xpmPipeThrough(fd, "gzip", "-q", "w");
+ mdata->type = XPMPIPE;
+ } else
+#endif
+ {
+ mdata->stream.file = fdopen(fd, "w");
+ mdata->type = XPMFILE;
+ }
+ if (!mdata->stream.file)
+ return (XpmOpenFailed);
+ }
+ return (XpmSuccess);
+}
+
+/*
+ * close the file related to the xpmData if any
+ */
+static void
+xpmDataClose(xpmData *mdata)
+{
+ if (mdata->stream.file != (stdout))
+ fclose(mdata->stream.file);
+}
+
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