aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/extras/Xpm/lib/CrBufFrI.c
diff options
context:
space:
mode:
Diffstat (limited to 'nx-X11/extras/Xpm/lib/CrBufFrI.c')
-rw-r--r--nx-X11/extras/Xpm/lib/CrBufFrI.c452
1 files changed, 0 insertions, 452 deletions
diff --git a/nx-X11/extras/Xpm/lib/CrBufFrI.c b/nx-X11/extras/Xpm/lib/CrBufFrI.c
deleted file mode 100644
index b87971542..000000000
--- a/nx-X11/extras/Xpm/lib/CrBufFrI.c
+++ /dev/null
@@ -1,452 +0,0 @@
-/*
- * 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.
- */
-
-/*****************************************************************************\
-* CrBufFrI.c: *
-* *
-* XPM library *
-* Scan an image and possibly its mask and create an XPM buffer *
-* *
-* Developed by Arnaud Le Hors *
-\*****************************************************************************/
-
-/* October 2004, source code review by Thomas Biege <thomas@suse.de> */
-
-/* $XFree86$ */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "XpmI.h"
-
-LFUNC(WriteColors, int, (char **dataptr, unsigned int *data_size,
- unsigned int *used_size, XpmColor *colors,
- unsigned int ncolors, unsigned int cpp));
-
-LFUNC(WritePixels, void, (char *dataptr, unsigned int data_size,
- unsigned int *used_size,
- unsigned int width, unsigned int height,
- unsigned int cpp, unsigned int *pixels,
- XpmColor *colors));
-
-LFUNC(WriteExtensions, void, (char *dataptr, unsigned int data_size,
- unsigned int *used_size,
- XpmExtension *ext, unsigned int num));
-
-LFUNC(ExtensionsSize, unsigned int, (XpmExtension *ext, unsigned int num));
-LFUNC(CommentsSize, int, (XpmInfo *info));
-
-int
-XpmCreateBufferFromImage(display, buffer_return, image, shapeimage, attributes)
- Display *display;
- char **buffer_return;
- XImage *image;
- XImage *shapeimage;
- XpmAttributes *attributes;
-{
- XpmImage xpmimage;
- XpmInfo info;
- int ErrorStatus;
-
- /* initialize return value */
- if (buffer_return)
- *buffer_return = NULL;
-
- /* create an XpmImage from the image */
- ErrorStatus = XpmCreateXpmImageFromImage(display, image, shapeimage,
- &xpmimage, attributes);
- if (ErrorStatus != XpmSuccess)
- return (ErrorStatus);
-
- /* create the buffer from the XpmImage */
- if (attributes) {
- xpmSetInfo(&info, attributes);
- ErrorStatus =
- XpmCreateBufferFromXpmImage(buffer_return, &xpmimage, &info);
- } else
- ErrorStatus =
- XpmCreateBufferFromXpmImage(buffer_return, &xpmimage, NULL);
-
- /* free the XpmImage */
- XpmFreeXpmImage(&xpmimage);
-
- return (ErrorStatus);
-}
-
-
-#undef RETURN
-#define RETURN(status) \
-do \
-{ \
- ErrorStatus = status; \
- goto error; \
-}while(0)
-
-int
-XpmCreateBufferFromXpmImage(buffer_return, image, info)
- char **buffer_return;
- XpmImage *image;
- XpmInfo *info;
-{
- /* calculation variables */
- int ErrorStatus;
- char buf[BUFSIZ];
- unsigned int cmts, extensions, ext_size = 0;
- unsigned int l, cmt_size = 0;
- char *ptr = NULL, *p;
- unsigned int ptr_size, used_size, tmp;
-
- *buffer_return = NULL;
-
- cmts = info && (info->valuemask & XpmComments);
- extensions = info && (info->valuemask & XpmExtensions)
- && info->nextensions;
-
- /* compute the extensions and comments size */
- if (extensions)
- ext_size = ExtensionsSize(info->extensions, info->nextensions);
- if (cmts)
- cmt_size = CommentsSize(info);
-
- /* write the header line */
-#ifndef VOID_SPRINTF
- used_size =
-#endif
- sprintf(buf, "/* XPM */\nstatic char * image_name[] = {\n");
-#ifdef VOID_SPRINTF
- used_size = strlen(buf);
-#endif
- ptr_size = used_size + ext_size + cmt_size + 1; /* ptr_size can't be 0 */
- if(ptr_size <= used_size ||
- ptr_size <= ext_size ||
- ptr_size <= cmt_size)
- {
- return XpmNoMemory;
- }
- ptr = (char *) XpmMalloc(ptr_size);
- if (!ptr)
- return XpmNoMemory;
- strcpy(ptr, buf);
-
- /* write the values line */
- if (cmts && info->hints_cmt) {
-#ifndef VOID_SPRINTF
- used_size +=
-#endif
- snprintf(ptr + used_size, ptr_size-used_size, "/*%s*/\n", info->hints_cmt);
-#ifdef VOID_SPRINTF
- used_size += strlen(info->hints_cmt) + 5;
-#endif
- }
-#ifndef VOID_SPRINTF
- l =
-#endif
- sprintf(buf, "\"%d %d %d %d", image->width, image->height,
- image->ncolors, image->cpp);
-#ifdef VOID_SPRINTF
- l = strlen(buf);
-#endif
-
- if (info && (info->valuemask & XpmHotspot)) {
-#ifndef VOID_SPRINTF
- l +=
-#endif
- snprintf(buf + l, sizeof(buf)-l, " %d %d", info->x_hotspot, info->y_hotspot);
-#ifdef VOID_SPRINTF
- l = strlen(buf);
-#endif
- }
- if (extensions) {
-#ifndef VOID_SPRINTF
- l +=
-#endif
- sprintf(buf + l, " XPMEXT");
-#ifdef VOID_SPRINTF
- l = strlen(buf);
-#endif
- }
-#ifndef VOID_SPRINTF
- l +=
-#endif
- sprintf(buf + l, "\",\n");
-#ifdef VOID_SPRINTF
- l = strlen(buf);
-#endif
- ptr_size += l;
- if(ptr_size <= l)
- RETURN(XpmNoMemory);
- p = (char *) XpmRealloc(ptr, ptr_size);
- if (!p)
- RETURN(XpmNoMemory);
- ptr = p;
- strcpy(ptr + used_size, buf);
- used_size += l;
-
- /* write colors */
- if (cmts && info->colors_cmt) {
-#ifndef VOID_SPRINTF
- used_size +=
-#endif
- snprintf(ptr + used_size, ptr_size-used_size, "/*%s*/\n", info->colors_cmt);
-#ifdef VOID_SPRINTF
- used_size += strlen(info->colors_cmt) + 5;
-#endif
- }
- ErrorStatus = WriteColors(&ptr, &ptr_size, &used_size,
- image->colorTable, image->ncolors, image->cpp);
-
- if (ErrorStatus != XpmSuccess)
- RETURN(ErrorStatus);
-
- /*
- * now we know the exact size we need, realloc the data
- * 4 = 1 (for '"') + 3 (for '",\n')
- * 1 = - 2 (because the last line does not end with ',\n') + 3 (for '};\n')
- */
- if(image->width > UINT_MAX / image->cpp ||
- (tmp = image->width * image->cpp + 4) <= 4 ||
- image->height > UINT_MAX / tmp ||
- (tmp = image->height * tmp + 1) <= 1 ||
- (ptr_size += tmp) <= tmp)
- RETURN(XpmNoMemory);
-
- p = (char *) XpmRealloc(ptr, ptr_size);
- if (!p)
- RETURN(XpmNoMemory);
- ptr = p;
-
- /* print pixels */
- if (cmts && info->pixels_cmt) {
-#ifndef VOID_SPRINTF
- used_size +=
-#endif
- snprintf(ptr + used_size, ptr_size-used_size, "/*%s*/\n", info->pixels_cmt);
-#ifdef VOID_SPRINTF
- used_size += strlen(info->pixels_cmt) + 5;
-#endif
- }
- WritePixels(ptr + used_size, ptr_size - used_size, &used_size, image->width, image->height,
- image->cpp, image->data, image->colorTable);
-
- /* print extensions */
- if (extensions)
- WriteExtensions(ptr + used_size, ptr_size-used_size, &used_size,
- info->extensions, info->nextensions);
-
- /* close the array */
- strcpy(ptr + used_size, "};\n");
-
- *buffer_return = ptr;
-
- return (XpmSuccess);
-
-/* exit point in case of error, free only locally allocated variables */
-error:
- if (ptr)
- XpmFree(ptr);
- return (ErrorStatus);
-}
-
-
-static int
-WriteColors(dataptr, data_size, used_size, colors, ncolors, cpp)
- char **dataptr;
- unsigned int *data_size;
- unsigned int *used_size;
- XpmColor *colors;
- unsigned int ncolors;
- unsigned int cpp;
-{
- char buf[BUFSIZ] = {0};
- unsigned int a, key, l;
- char *s, *s2;
- char **defaults;
-
- *buf = '"';
- for (a = 0; a < ncolors; a++, colors++) {
-
- defaults = (char **) colors;
- s = buf + 1;
- if(cpp > (sizeof(buf) - (s-buf)))
- return(XpmNoMemory);
- strncpy(s, *defaults++, cpp);
- s += cpp;
-
- for (key = 1; key <= NKEYS; key++, defaults++) {
- if ((s2 = *defaults)) {
-#ifndef VOID_SPRINTF
- s +=
-#endif
- /* assume C99 compliance */
- snprintf(s, sizeof(buf) - (s-buf), "\t%s %s", xpmColorKeys[key - 1], s2);
-#ifdef VOID_SPRINTF
- s += strlen(s);
-#endif
- /* now let's check if s points out-of-bounds */
- if((s-buf) > sizeof(buf))
- return(XpmNoMemory);
- }
- }
- if(sizeof(buf) - (s-buf) < 4)
- return(XpmNoMemory);
- strcpy(s, "\",\n");
- l = s + 3 - buf;
- if( *data_size >= UINT_MAX-l ||
- *data_size + l <= *used_size ||
- (*data_size + l - *used_size) <= sizeof(buf))
- return(XpmNoMemory);
- s = (char *) XpmRealloc(*dataptr, *data_size + l);
- if (!s)
- return (XpmNoMemory);
- *data_size += l;
- strcpy(s + *used_size, buf);
- *used_size += l;
- *dataptr = s;
- }
- return (XpmSuccess);
-}
-
-static void
-WritePixels(dataptr, data_size, used_size, width, height, cpp, pixels, colors)
- char *dataptr;
- unsigned int data_size;
- unsigned int *used_size;
- unsigned int width;
- unsigned int height;
- unsigned int cpp;
- unsigned int *pixels;
- XpmColor *colors;
-{
- char *s = dataptr;
- unsigned int x, y, h;
-
- if(height <= 1)
- return;
-
- h = height - 1;
- for (y = 0; y < h; y++) {
- *s++ = '"';
- for (x = 0; x < width; x++, pixels++) {
- if(cpp >= (data_size - (s-dataptr)))
- return;
- strncpy(s, colors[*pixels].string, cpp); /* how can we trust *pixels? :-\ */
- s += cpp;
- }
- if((data_size - (s-dataptr)) < 4)
- return;
- strcpy(s, "\",\n");
- s += 3;
- }
- /* duplicate some code to avoid a test in the loop */
- *s++ = '"';
- for (x = 0; x < width; x++, pixels++) {
- if(cpp >= (data_size - (s-dataptr)))
- return;
- strncpy(s, colors[*pixels].string, cpp); /* how can we trust *pixels? */
- s += cpp;
- }
- *s++ = '"';
- *used_size += s - dataptr;
-}
-
-static unsigned int
-ExtensionsSize(ext, num)
- XpmExtension *ext;
- unsigned int num;
-{
- unsigned int x, y, a, size;
- char **line;
-
- size = 0;
- if(num == 0)
- return(0); /* ok? */
- for (x = 0; x < num; x++, ext++) {
- /* 11 = 10 (for ',\n"XPMEXT ') + 1 (for '"') */
- size += strlen(ext->name) + 11;
- a = ext->nlines; /* how can we trust ext->nlines to be not out-of-bounds? */
- for (y = 0, line = ext->lines; y < a; y++, line++)
- /* 4 = 3 (for ',\n"') + 1 (for '"') */
- size += strlen(*line) + 4;
- }
- /* 13 is for ',\n"XPMENDEXT"' */
- if(size > UINT_MAX - 13) /* unlikely */
- return(0);
- return size + 13;
-}
-
-static void
-WriteExtensions(dataptr, data_size, used_size, ext, num)
- char *dataptr;
- unsigned int data_size;
- unsigned int *used_size;
- XpmExtension *ext;
- unsigned int num;
-{
- unsigned int x, y, a;
- char **line;
- char *s = dataptr;
-
- for (x = 0; x < num; x++, ext++) {
-#ifndef VOID_SPRINTF
- s +=
-#endif
- snprintf(s, data_size - (s-dataptr), ",\n\"XPMEXT %s\"", ext->name);
-#ifdef VOID_SPRINTF
- s += strlen(ext->name) + 11;
-#endif
- a = ext->nlines;
- for (y = 0, line = ext->lines; y < a; y++, line++) {
-#ifndef VOID_SPRINTF
- s +=
-#endif
- snprintf(s, data_size - (s-dataptr), ",\n\"%s\"", *line);
-#ifdef VOID_SPRINTF
- s += strlen(*line) + 4;
-#endif
- }
- }
- strncpy(s, ",\n\"XPMENDEXT\"", data_size - (s-dataptr)-1);
- *used_size += s - dataptr + 13;
-}
-
-static int
-CommentsSize(info)
- XpmInfo *info;
-{
- int size = 0;
-
- /* 5 = 2 (for "/_*") + 3 (for "*_/\n") */
- /* wrap possible but *very* unlikely */
- if (info->hints_cmt)
- size += 5 + strlen(info->hints_cmt);
-
- if (info->colors_cmt)
- size += 5 + strlen(info->colors_cmt);
-
- if (info->pixels_cmt)
- size += 5 + strlen(info->pixels_cmt);
-
- return size;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 05:20:25 +0000