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-rw-r--r--nx-X11/lib/Xcursor/file.c1101
1 files changed, 0 insertions, 1101 deletions
diff --git a/nx-X11/lib/Xcursor/file.c b/nx-X11/lib/Xcursor/file.c
deleted file mode 100644
index 175676cc3..000000000
--- a/nx-X11/lib/Xcursor/file.c
+++ /dev/null
@@ -1,1101 +0,0 @@
-/*
- * $Id: file.c,v 1.5 2005/07/03 07:00:56 daniels Exp $
- *
- * Copyright © 2002 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "xcursorint.h"
-#include <stdlib.h>
-#include <string.h>
-
-XcursorImage *
-XcursorImageCreate (int width, int height)
-{
- XcursorImage *image;
-
- image = malloc (sizeof (XcursorImage) +
- width * height * sizeof (XcursorPixel));
- if (!image)
- return 0;
- image->version = XCURSOR_IMAGE_VERSION;
- image->pixels = (XcursorPixel *) (image + 1);
- image->size = width > height ? width : height;
- image->width = width;
- image->height = height;
- image->delay = 0;
- return image;
-}
-
-void
-XcursorImageDestroy (XcursorImage *image)
-{
- if (image)
- free (image);
-}
-
-XcursorImages *
-XcursorImagesCreate (int size)
-{
- XcursorImages *images;
-
- images = malloc (sizeof (XcursorImages) +
- size * sizeof (XcursorImage *));
- if (!images)
- return 0;
- images->nimage = 0;
- images->images = (XcursorImage **) (images + 1);
- images->name = 0;
- return images;
-}
-
-void
-XcursorImagesDestroy (XcursorImages *images)
-{
- int n;
-
- if (!images)
- return;
-
- for (n = 0; n < images->nimage; n++)
- XcursorImageDestroy (images->images[n]);
- if (images->name)
- free (images->name);
- free (images);
-}
-
-void
-XcursorImagesSetName (XcursorImages *images, const char *name)
-{
- char *new;
-
- if (!images || !name)
- return;
-
- new = malloc (strlen (name) + 1);
-
- if (!new)
- return;
-
- strcpy (new, name);
- if (images->name)
- free (images->name);
- images->name = new;
-}
-
-XcursorComment *
-XcursorCommentCreate (XcursorUInt comment_type, int length)
-{
- XcursorComment *comment;
-
- if (length > XCURSOR_COMMENT_MAX_LEN)
- return 0;
-
- comment = malloc (sizeof (XcursorComment) + length + 1);
- if (!comment)
- return 0;
- comment->version = XCURSOR_COMMENT_VERSION;
- comment->comment_type = comment_type;
- comment->comment = (char *) (comment + 1);
- comment->comment[0] = '\0';
- return comment;
-}
-
-void
-XcursorCommentDestroy (XcursorComment *comment)
-{
- if (!comment)
- free (comment);
-}
-
-XcursorComments *
-XcursorCommentsCreate (int size)
-{
- XcursorComments *comments;
-
- comments = malloc (sizeof (XcursorComments) +
- size * sizeof (XcursorComment *));
- if (!comments)
- return 0;
- comments->ncomment = 0;
- comments->comments = (XcursorComment **) (comments + 1);
- return comments;
-}
-
-void
-XcursorCommentsDestroy (XcursorComments *comments)
-{
- int n;
-
- if (!comments)
- return;
-
- for (n = 0; n < comments->ncomment; n++)
- XcursorCommentDestroy (comments->comments[n]);
- free (comments);
-}
-
-static XcursorBool
-_XcursorReadUInt (XcursorFile *file, XcursorUInt *u)
-{
- unsigned char bytes[4];
-
- if (!file || !u)
- return XcursorFalse;
-
- if ((*file->read) (file, bytes, 4) != 4)
- return XcursorFalse;
- *u = ((bytes[0] << 0) |
- (bytes[1] << 8) |
- (bytes[2] << 16) |
- (bytes[3] << 24));
- return XcursorTrue;
-}
-
-static XcursorBool
-_XcursorReadBytes (XcursorFile *file, char *bytes, int length)
-{
- if (!file || !bytes || (*file->read) (file, (unsigned char *) bytes, length) != length)
- return XcursorFalse;
- return XcursorTrue;
-}
-
-static XcursorBool
-_XcursorWriteUInt (XcursorFile *file, XcursorUInt u)
-{
- unsigned char bytes[4];
-
- if (!file)
- return XcursorFalse;
-
- bytes[0] = u;
- bytes[1] = u >> 8;
- bytes[2] = u >> 16;
- bytes[3] = u >> 24;
- if ((*file->write) (file, bytes, 4) != 4)
- return XcursorFalse;
- return XcursorTrue;
-}
-
-static XcursorBool
-_XcursorWriteBytes (XcursorFile *file, char *bytes, int length)
-{
- if (!file || !bytes || (*file->write) (file, (unsigned char *) bytes, length) != length)
- return XcursorFalse;
- return XcursorTrue;
-}
-
-static void
-_XcursorFileHeaderDestroy (XcursorFileHeader *fileHeader)
-{
- if (!fileHeader)
- free (fileHeader);
-}
-
-static XcursorFileHeader *
-_XcursorFileHeaderCreate (int ntoc)
-{
- XcursorFileHeader *fileHeader;
-
- if (ntoc > 0x10000)
- return 0;
- fileHeader = malloc (sizeof (XcursorFileHeader) +
- ntoc * sizeof (XcursorFileToc));
- if (!fileHeader)
- return 0;
- fileHeader->magic = XCURSOR_MAGIC;
- fileHeader->header = XCURSOR_FILE_HEADER_LEN;
- fileHeader->version = XCURSOR_FILE_VERSION;
- fileHeader->ntoc = ntoc;
- fileHeader->tocs = (XcursorFileToc *) (fileHeader + 1);
- return fileHeader;
-}
-
-static XcursorFileHeader *
-_XcursorReadFileHeader (XcursorFile *file)
-{
- XcursorFileHeader head, *fileHeader;
- XcursorUInt skip;
- int n;
-
- if (!file)
- return NULL;
-
- if (!_XcursorReadUInt (file, &head.magic))
- return 0;
- if (head.magic != XCURSOR_MAGIC)
- return 0;
- if (!_XcursorReadUInt (file, &head.header))
- return 0;
- if (!_XcursorReadUInt (file, &head.version))
- return 0;
- if (!_XcursorReadUInt (file, &head.ntoc))
- return 0;
- skip = head.header - XCURSOR_FILE_HEADER_LEN;
- if (skip)
- if ((*file->seek) (file, skip, SEEK_CUR) == EOF)
- return 0;
- fileHeader = _XcursorFileHeaderCreate (head.ntoc);
- if (!fileHeader)
- return 0;
- fileHeader->magic = head.magic;
- fileHeader->header = head.header;
- fileHeader->version = head.version;
- fileHeader->ntoc = head.ntoc;
- for (n = 0; n < fileHeader->ntoc; n++)
- {
- if (!_XcursorReadUInt (file, &fileHeader->tocs[n].type))
- break;
- if (!_XcursorReadUInt (file, &fileHeader->tocs[n].subtype))
- break;
- if (!_XcursorReadUInt (file, &fileHeader->tocs[n].position))
- break;
- }
- if (n != fileHeader->ntoc)
- {
- _XcursorFileHeaderDestroy (fileHeader);
- return 0;
- }
- return fileHeader;
-}
-
-static XcursorUInt
-_XcursorFileHeaderLength (XcursorFileHeader *fileHeader)
-{
- return (XCURSOR_FILE_HEADER_LEN +
- fileHeader->ntoc * XCURSOR_FILE_TOC_LEN);
-}
-
-static XcursorBool
-_XcursorWriteFileHeader (XcursorFile *file, XcursorFileHeader *fileHeader)
-{
- int toc;
-
- if (!file || !fileHeader)
- return XcursorFalse;
-
- if (!_XcursorWriteUInt (file, fileHeader->magic))
- return XcursorFalse;
- if (!_XcursorWriteUInt (file, fileHeader->header))
- return XcursorFalse;
- if (!_XcursorWriteUInt (file, fileHeader->version))
- return XcursorFalse;
- if (!_XcursorWriteUInt (file, fileHeader->ntoc))
- return XcursorFalse;
- for (toc = 0; toc < fileHeader->ntoc; toc++)
- {
- if (!_XcursorWriteUInt (file, fileHeader->tocs[toc].type))
- return XcursorFalse;
- if (!_XcursorWriteUInt (file, fileHeader->tocs[toc].subtype))
- return XcursorFalse;
- if (!_XcursorWriteUInt (file, fileHeader->tocs[toc].position))
- return XcursorFalse;
- }
- return XcursorTrue;
-}
-
-static XcursorBool
-_XcursorSeekToToc (XcursorFile *file,
- XcursorFileHeader *fileHeader,
- int toc)
-{
- if (!file || !fileHeader || \
- (*file->seek) (file, fileHeader->tocs[toc].position, SEEK_SET) == EOF)
- return XcursorFalse;
- return XcursorTrue;
-}
-
-static XcursorBool
-_XcursorFileReadChunkHeader (XcursorFile *file,
- XcursorFileHeader *fileHeader,
- int toc,
- XcursorChunkHeader *chunkHeader)
-{
- if (!file || !fileHeader || !chunkHeader)
- return XcursorFalse;
- if (!_XcursorSeekToToc (file, fileHeader, toc))
- return XcursorFalse;
- if (!_XcursorReadUInt (file, &chunkHeader->header))
- return XcursorFalse;
- if (!_XcursorReadUInt (file, &chunkHeader->type))
- return XcursorFalse;
- if (!_XcursorReadUInt (file, &chunkHeader->subtype))
- return XcursorFalse;
- if (!_XcursorReadUInt (file, &chunkHeader->version))
- return XcursorFalse;
- /* sanity check */
- if (chunkHeader->type != fileHeader->tocs[toc].type ||
- chunkHeader->subtype != fileHeader->tocs[toc].subtype)
- return XcursorFalse;
- return XcursorTrue;
-}
-
-static XcursorBool
-_XcursorFileWriteChunkHeader (XcursorFile *file,
- XcursorFileHeader *fileHeader,
- int toc,
- XcursorChunkHeader *chunkHeader)
-{
- if (!file || !fileHeader || !chunkHeader)
- return XcursorFalse;
- if (!_XcursorSeekToToc (file, fileHeader, toc))
- return XcursorFalse;
- if (!_XcursorWriteUInt (file, chunkHeader->header))
- return XcursorFalse;
- if (!_XcursorWriteUInt (file, chunkHeader->type))
- return XcursorFalse;
- if (!_XcursorWriteUInt (file, chunkHeader->subtype))
- return XcursorFalse;
- if (!_XcursorWriteUInt (file, chunkHeader->version))
- return XcursorFalse;
- return XcursorTrue;
-}
-
-#define dist(a,b) ((a) > (b) ? (a) - (b) : (b) - (a))
-
-static XcursorDim
-_XcursorFindBestSize (XcursorFileHeader *fileHeader,
- XcursorDim size,
- int *nsizesp)
-{
- int n;
- int nsizes = 0;
- XcursorDim bestSize = 0;
- XcursorDim thisSize;
-
- if (!fileHeader || !nsizesp)
- return 0;
-
- for (n = 0; n < fileHeader->ntoc; n++)
- {
- if (fileHeader->tocs[n].type != XCURSOR_IMAGE_TYPE)
- continue;
- thisSize = fileHeader->tocs[n].subtype;
- if (!bestSize || dist (thisSize, size) < dist (bestSize, size))
- {
- bestSize = thisSize;
- nsizes = 1;
- }
- else if (thisSize == bestSize)
- nsizes++;
- }
- *nsizesp = nsizes;
- return bestSize;
-}
-
-static int
-_XcursorFindImageToc (XcursorFileHeader *fileHeader,
- XcursorDim size,
- int count)
-{
- int toc;
- XcursorDim thisSize;
-
- if (!fileHeader)
- return 0;
-
- for (toc = 0; toc < fileHeader->ntoc; toc++)
- {
- if (fileHeader->tocs[toc].type != XCURSOR_IMAGE_TYPE)
- continue;
- thisSize = fileHeader->tocs[toc].subtype;
- if (thisSize != size)
- continue;
- if (!count)
- break;
- count--;
- }
- if (toc == fileHeader->ntoc)
- return -1;
- return toc;
-}
-
-static XcursorImage *
-_XcursorReadImage (XcursorFile *file,
- XcursorFileHeader *fileHeader,
- int toc)
-{
- XcursorChunkHeader chunkHeader;
- XcursorImage head;
- XcursorImage *image;
- int n;
- XcursorPixel *p;
-
- if (!file || !fileHeader)
- return NULL;
-
- if (!_XcursorFileReadChunkHeader (file, fileHeader, toc, &chunkHeader))
- return 0;
- if (!_XcursorReadUInt (file, &head.width))
- return 0;
- if (!_XcursorReadUInt (file, &head.height))
- return 0;
- if (!_XcursorReadUInt (file, &head.xhot))
- return 0;
- if (!_XcursorReadUInt (file, &head.yhot))
- return 0;
- if (!_XcursorReadUInt (file, &head.delay))
- return 0;
- /* sanity check data */
- if (head.width >= 0x10000 || head.height > 0x10000)
- return 0;
- if (head.width == 0 || head.height == 0)
- return 0;
- if (head.xhot > head.width || head.yhot > head.height)
- return 0;
-
- /* Create the image and initialize it */
- image = XcursorImageCreate (head.width, head.height);
- if (chunkHeader.version < image->version)
- image->version = chunkHeader.version;
- image->size = chunkHeader.subtype;
- image->xhot = head.xhot;
- image->yhot = head.yhot;
- image->delay = head.delay;
- n = image->width * image->height;
- p = image->pixels;
- while (n--)
- {
- if (!_XcursorReadUInt (file, p))
- {
- XcursorImageDestroy (image);
- return 0;
- }
- p++;
- }
- return image;
-}
-
-static XcursorUInt
-_XcursorImageLength (XcursorImage *image)
-{
- if (!image)
- return 0;
-
- return XCURSOR_IMAGE_HEADER_LEN + (image->width * image->height) * 4;
-}
-
-static XcursorBool
-_XcursorWriteImage (XcursorFile *file,
- XcursorFileHeader *fileHeader,
- int toc,
- XcursorImage *image)
-{
- XcursorChunkHeader chunkHeader;
- int n;
- XcursorPixel *p;
-
- if (!file || !fileHeader || !image)
- return XcursorFalse;
-
- /* sanity check data */
- if (image->width > XCURSOR_IMAGE_MAX_SIZE ||
- image->height > XCURSOR_IMAGE_MAX_SIZE)
- return XcursorFalse;
- if (image->width == 0 || image->height == 0)
- return XcursorFalse;
- if (image->xhot > image->width || image->yhot > image->height)
- return XcursorFalse;
-
- /* write chunk header */
- chunkHeader.header = XCURSOR_IMAGE_HEADER_LEN;
- chunkHeader.type = XCURSOR_IMAGE_TYPE;
- chunkHeader.subtype = image->size;
- chunkHeader.version = XCURSOR_IMAGE_VERSION;
-
- if (!_XcursorFileWriteChunkHeader (file, fileHeader, toc, &chunkHeader))
- return XcursorFalse;
-
- /* write extra image header fields */
- if (!_XcursorWriteUInt (file, image->width))
- return XcursorFalse;
- if (!_XcursorWriteUInt (file, image->height))
- return XcursorFalse;
- if (!_XcursorWriteUInt (file, image->xhot))
- return XcursorFalse;
- if (!_XcursorWriteUInt (file, image->yhot))
- return XcursorFalse;
- if (!_XcursorWriteUInt (file, image->delay))
- return XcursorFalse;
-
- /* write the image */
- n = image->width * image->height;
- p = image->pixels;
- while (n--)
- {
- if (!_XcursorWriteUInt (file, *p))
- return XcursorFalse;
- p++;
- }
- return XcursorTrue;
-}
-
-static XcursorComment *
-_XcursorReadComment (XcursorFile *file,
- XcursorFileHeader *fileHeader,
- int toc)
-{
- XcursorChunkHeader chunkHeader;
- XcursorUInt length;
- XcursorComment *comment;
-
- if (!file || !fileHeader)
- return NULL;
-
- /* read chunk header */
- if (!_XcursorFileReadChunkHeader (file, fileHeader, toc, &chunkHeader))
- return 0;
- /* read extra comment header fields */
- if (!_XcursorReadUInt (file, &length))
- return 0;
- comment = XcursorCommentCreate (chunkHeader.subtype, length);
- if (!comment)
- return 0;
- if (!_XcursorReadBytes (file, comment->comment, length))
- {
- XcursorCommentDestroy (comment);
- return 0;
- }
- comment->comment[length] = '\0';
- return comment;
-}
-
-static XcursorUInt
-_XcursorCommentLength (XcursorComment *comment)
-{
- return XCURSOR_COMMENT_HEADER_LEN + strlen (comment->comment);
-}
-
-static XcursorBool
-_XcursorWriteComment (XcursorFile *file,
- XcursorFileHeader *fileHeader,
- int toc,
- XcursorComment *comment)
-{
- XcursorChunkHeader chunkHeader;
- XcursorUInt length;
-
- if (!file || !fileHeader || !comment || !comment->comment)
- return XcursorFalse;
-
- length = strlen (comment->comment);
-
- /* sanity check data */
- if (length > XCURSOR_COMMENT_MAX_LEN)
- return XcursorFalse;
-
- /* read chunk header */
- chunkHeader.header = XCURSOR_COMMENT_HEADER_LEN;
- chunkHeader.type = XCURSOR_COMMENT_TYPE;
- chunkHeader.subtype = comment->comment_type;
- chunkHeader.version = XCURSOR_COMMENT_VERSION;
-
- if (!_XcursorFileWriteChunkHeader (file, fileHeader, toc, &chunkHeader))
- return XcursorFalse;
-
- /* write extra comment header fields */
- if (!_XcursorWriteUInt (file, length))
- return XcursorFalse;
-
- if (!_XcursorWriteBytes (file, comment->comment, length))
- return XcursorFalse;
- return XcursorTrue;
-}
-
-XcursorImage *
-XcursorXcFileLoadImage (XcursorFile *file, int size)
-{
- XcursorFileHeader *fileHeader;
- XcursorDim bestSize;
- int nsize;
- int toc;
- XcursorImage *image;
-
- if (size < 0)
- return 0;
- fileHeader = _XcursorReadFileHeader (file);
- if (!fileHeader)
- return 0;
- bestSize = _XcursorFindBestSize (fileHeader, (XcursorDim) size, &nsize);
- if (!bestSize)
- return 0;
- toc = _XcursorFindImageToc (fileHeader, bestSize, 0);
- if (toc < 0)
- return 0;
- image = _XcursorReadImage (file, fileHeader, toc);
- _XcursorFileHeaderDestroy (fileHeader);
- return image;
-}
-
-XcursorImages *
-XcursorXcFileLoadImages (XcursorFile *file, int size)
-{
- XcursorFileHeader *fileHeader;
- XcursorDim bestSize;
- int nsize;
- XcursorImages *images;
- int n;
- int toc;
-
- if (!file || size < 0)
- return 0;
- fileHeader = _XcursorReadFileHeader (file);
- if (!fileHeader)
- return 0;
- bestSize = _XcursorFindBestSize (fileHeader, (XcursorDim) size, &nsize);
- if (!bestSize)
- return 0;
- images = XcursorImagesCreate (nsize);
- if (!images)
- return 0;
- for (n = 0; n < nsize; n++)
- {
- toc = _XcursorFindImageToc (fileHeader, bestSize, n);
- if (toc < 0)
- break;
- images->images[images->nimage] = _XcursorReadImage (file, fileHeader,
- toc);
- if (!images->images[images->nimage])
- break;
- images->nimage++;
- }
- _XcursorFileHeaderDestroy (fileHeader);
- if (images->nimage != nsize)
- {
- XcursorImagesDestroy (images);
- images = 0;
- }
- return images;
-}
-
-XcursorImages *
-XcursorXcFileLoadAllImages (XcursorFile *file)
-{
- XcursorFileHeader *fileHeader;
- XcursorImage *image;
- XcursorImages *images;
- int nimage;
- int n;
- int toc;
-
- if (!file)
- return 0;
-
- fileHeader = _XcursorReadFileHeader (file);
- if (!fileHeader)
- return 0;
- nimage = 0;
- for (n = 0; n < fileHeader->ntoc; n++)
- {
- switch (fileHeader->tocs[n].type) {
- case XCURSOR_IMAGE_TYPE:
- nimage++;
- break;
- }
- }
- images = XcursorImagesCreate (nimage);
- if (!images)
- return 0;
- for (toc = 0; toc < fileHeader->ntoc; toc++)
- {
- switch (fileHeader->tocs[toc].type) {
- case XCURSOR_IMAGE_TYPE:
- image = _XcursorReadImage (file, fileHeader, toc);
- if (image)
- {
- images->images[images->nimage] = image;
- images->nimage++;
- }
- break;
- }
- }
- _XcursorFileHeaderDestroy (fileHeader);
- if (images->nimage != nimage)
- {
- XcursorImagesDestroy (images);
- images = 0;
- }
- return images;
-}
-
-XcursorBool
-XcursorXcFileLoad (XcursorFile *file,
- XcursorComments **commentsp,
- XcursorImages **imagesp)
-{
- XcursorFileHeader *fileHeader;
- int nimage;
- int ncomment;
- XcursorImages *images;
- XcursorImage *image;
- XcursorComment *comment;
- XcursorComments *comments;
- int toc;
-
- if (!file)
- return 0;
- fileHeader = _XcursorReadFileHeader (file);
- if (!fileHeader)
- return 0;
- nimage = 0;
- ncomment = 0;
- for (toc = 0; toc < fileHeader->ntoc; toc++)
- {
- switch (fileHeader->tocs[toc].type) {
- case XCURSOR_COMMENT_TYPE:
- ncomment++;
- break;
- case XCURSOR_IMAGE_TYPE:
- nimage++;
- break;
- }
- }
- images = XcursorImagesCreate (nimage);
- if (!images)
- return 0;
- comments = XcursorCommentsCreate (ncomment);
- if (!comments)
- {
- XcursorImagesDestroy (images);
- return 0;
- }
- for (toc = 0; toc < fileHeader->ntoc; toc++)
- {
- switch (fileHeader->tocs[toc].type) {
- case XCURSOR_COMMENT_TYPE:
- comment = _XcursorReadComment (file, fileHeader, toc);
- if (comment)
- {
- comments->comments[comments->ncomment] = comment;
- comments->ncomment++;
- }
- break;
- case XCURSOR_IMAGE_TYPE:
- image = _XcursorReadImage (file, fileHeader, toc);
- if (image)
- {
- images->images[images->nimage] = image;
- images->nimage++;
- }
- break;
- }
- }
- _XcursorFileHeaderDestroy (fileHeader);
- if (images->nimage != nimage || comments->ncomment != ncomment)
- {
- XcursorImagesDestroy (images);
- XcursorCommentsDestroy (comments);
- images = 0;
- comments = 0;
- return XcursorFalse;
- }
- *imagesp = images;
- *commentsp = comments;
- return XcursorTrue;
-}
-
-XcursorBool
-XcursorXcFileSave (XcursorFile *file,
- const XcursorComments *comments,
- const XcursorImages *images)
-{
- XcursorFileHeader *fileHeader;
- XcursorUInt position;
- int n;
- int toc;
-
- if (!file || !comments || !images)
- return XcursorFalse;
-
- fileHeader = _XcursorFileHeaderCreate (comments->ncomment + images->nimage);
- if (!fileHeader)
- return XcursorFalse;
-
- position = _XcursorFileHeaderLength (fileHeader);
-
- /*
- * Compute the toc. Place the images before the comments
- * as they're more often read
- */
-
- toc = 0;
- for (n = 0; n < images->nimage; n++)
- {
- fileHeader->tocs[toc].type = XCURSOR_IMAGE_TYPE;
- fileHeader->tocs[toc].subtype = images->images[n]->size;
- fileHeader->tocs[toc].position = position;
- position += _XcursorImageLength (images->images[n]);
- toc++;
- }
-
- for (n = 0; n < comments->ncomment; n++)
- {
- fileHeader->tocs[toc].type = XCURSOR_COMMENT_TYPE;
- fileHeader->tocs[toc].subtype = comments->comments[n]->comment_type;
- fileHeader->tocs[toc].position = position;
- position += _XcursorCommentLength (comments->comments[n]);
- toc++;
- }
-
- /*
- * Write the header and the toc
- */
- if (!_XcursorWriteFileHeader (file, fileHeader))
- goto bail;
-
- /*
- * Write the images
- */
- toc = 0;
- for (n = 0; n < images->nimage; n++)
- {
- if (!_XcursorWriteImage (file, fileHeader, toc, images->images[n]))
- goto bail;
- toc++;
- }
-
- /*
- * Write the comments
- */
- for (n = 0; n < comments->ncomment; n++)
- {
- if (!_XcursorWriteComment (file, fileHeader, toc, comments->comments[n]))
- goto bail;
- toc++;
- }
-
- _XcursorFileHeaderDestroy (fileHeader);
- return XcursorTrue;
-bail:
- _XcursorFileHeaderDestroy (fileHeader);
- return XcursorFalse;
-}
-
-static int
-_XcursorStdioFileRead (XcursorFile *file, unsigned char *buf, int len)
-{
- FILE *f = file->closure;
- return fread (buf, 1, len, f);
-}
-
-static int
-_XcursorStdioFileWrite (XcursorFile *file, unsigned char *buf, int len)
-{
- FILE *f = file->closure;
- return fwrite (buf, 1, len, f);
-}
-
-static int
-_XcursorStdioFileSeek (XcursorFile *file, long offset, int whence)
-{
- FILE *f = file->closure;
- return fseek (f, offset, whence);
-}
-
-static void
-_XcursorStdioFileInitialize (FILE *stdfile, XcursorFile *file)
-{
- file->closure = stdfile;
- file->read = _XcursorStdioFileRead;
- file->write = _XcursorStdioFileWrite;
- file->seek = _XcursorStdioFileSeek;
-}
-
-XcursorImage *
-XcursorFileLoadImage (FILE *file, int size)
-{
- XcursorFile f;
-
- if (!file)
- return NULL;
-
- _XcursorStdioFileInitialize (file, &f);
- return XcursorXcFileLoadImage (&f, size);
-}
-
-XcursorImages *
-XcursorFileLoadImages (FILE *file, int size)
-{
- XcursorFile f;
-
- if (!file)
- return NULL;
-
- _XcursorStdioFileInitialize (file, &f);
- return XcursorXcFileLoadImages (&f, size);
-}
-
-XcursorImages *
-XcursorFileLoadAllImages (FILE *file)
-{
- XcursorFile f;
-
- if (!file)
- return NULL;
-
- _XcursorStdioFileInitialize (file, &f);
- return XcursorXcFileLoadAllImages (&f);
-}
-
-XcursorBool
-XcursorFileLoad (FILE *file,
- XcursorComments **commentsp,
- XcursorImages **imagesp)
-{
- XcursorFile f;
-
- if (!file || !commentsp || !imagesp)
- return XcursorFalse;
-
- _XcursorStdioFileInitialize (file, &f);
- return XcursorXcFileLoad (&f, commentsp, imagesp);
-}
-
-XcursorBool
-XcursorFileSaveImages (FILE *file, const XcursorImages *images)
-{
- XcursorComments *comments = XcursorCommentsCreate (0);
- XcursorFile f;
- XcursorBool ret;
- if (!comments || !file || !images)
- return 0;
- _XcursorStdioFileInitialize (file, &f);
- ret = XcursorXcFileSave (&f, comments, images) && fflush (file) != EOF;
- XcursorCommentsDestroy (comments);
- return ret;
-}
-
-XcursorBool
-XcursorFileSave (FILE * file,
- const XcursorComments *comments,
- const XcursorImages *images)
-{
- XcursorFile f;
-
- if (!file || !comments || !images)
- return XcursorFalse;
-
- _XcursorStdioFileInitialize (file, &f);
- return XcursorXcFileSave (&f, comments, images) && fflush (file) != EOF;
-}
-
-XcursorImage *
-XcursorFilenameLoadImage (const char *file, int size)
-{
- FILE *f;
- XcursorImage *image;
-
- if (!file || size < 0)
- return NULL;
-
- f = fopen (file, "r");
- if (!f)
- return 0;
- image = XcursorFileLoadImage (f, size);
- fclose (f);
- return image;
-}
-
-XcursorImages *
-XcursorFilenameLoadImages (const char *file, int size)
-{
- FILE *f;
- XcursorImages *images;
-
- if (!file || size < 0)
- return NULL;
-
- f = fopen (file, "r");
- if (!f)
- return 0;
- images = XcursorFileLoadImages (f, size);
- fclose (f);
- return images;
-}
-
-XcursorImages *
-XcursorFilenameLoadAllImages (const char *file)
-{
- FILE *f;
- XcursorImages *images;
-
- if (!file)
- return NULL;
-
- f = fopen (file, "r");
- if (!f)
- return 0;
- images = XcursorFileLoadAllImages (f);
- fclose (f);
- return images;
-}
-
-XcursorBool
-XcursorFilenameLoad (const char *file,
- XcursorComments **commentsp,
- XcursorImages **imagesp)
-{
- FILE *f;
- XcursorBool ret;
-
- if (!file)
- return XcursorFalse;
-
- f = fopen (file, "r");
- if (!f)
- return 0;
- ret = XcursorFileLoad (f, commentsp, imagesp);
- fclose (f);
- return ret;
-}
-
-XcursorBool
-XcursorFilenameSaveImages (const char *file, const XcursorImages *images)
-{
- FILE *f;
- XcursorBool ret;
-
- if (!file || !images)
- return XcursorFalse;
-
- f = fopen (file, "w");
- if (!f)
- return 0;
- ret = XcursorFileSaveImages (f, images);
- return fclose (f) != EOF && ret;
-}
-
-XcursorBool
-XcursorFilenameSave (const char *file,
- const XcursorComments *comments,
- const XcursorImages *images)
-{
- FILE *f;
- XcursorBool ret;
-
- if (!file || !comments || !images)
- return XcursorFalse;
-
- f = fopen (file, "w");
- if (!f)
- return 0;
- ret = XcursorFileSave (f, comments, images);
- return fclose (f) != EOF && ret;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-23 18:41:39 +0000