diff options
Diffstat (limited to 'nx-X11/lib/X11/RdBitF.c')
| -rw-r--r-- | nx-X11/lib/X11/RdBitF.c | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/nx-X11/lib/X11/RdBitF.c b/nx-X11/lib/X11/RdBitF.c deleted file mode 100644 index 319a0ee0b..000000000 --- a/nx-X11/lib/X11/RdBitF.c +++ /dev/null @@ -1,258 +0,0 @@ -/* - -Copyright 1987, 1998 The Open Group - -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. - -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 THE OPEN GROUP 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 The Open Group shall -not be used in advertising or otherwise to promote the sale, use or -other dealings in this Software without prior written authorization -from The Open Group. - -*/ - -/* - * Code to read bitmaps from disk files. Interprets - * data from X10 and X11 bitmap files and creates - * Pixmap representations of files. Returns Pixmap - * ID and specifics about image. - * - * Modified for speedup by Jim Becker, changed image - * data parsing logic (removed some fscanf()s). - * Aug 5, 1988 - * - * Note that this file and ../Xmu/RdBitF.c look very similar.... Keep them - * that way (but don't use common source code so that people can have one - * without the other). - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "Xlibint.h" -#include <nx-X11/Xos.h> -#include "Xutil.h" -#include <stdio.h> -#include <ctype.h> - - -#define MAX_SIZE 255 - -/* shared data for the image read/parse logic */ -static const short hexTable[256] = { - ['0'] = 0, ['1'] = 1, - ['2'] = 2, ['3'] = 3, - ['4'] = 4, ['5'] = 5, - ['6'] = 6, ['7'] = 7, - ['8'] = 8, ['9'] = 9, - ['A'] = 10, ['B'] = 11, - ['C'] = 12, ['D'] = 13, - ['E'] = 14, ['F'] = 15, - ['a'] = 10, ['b'] = 11, - ['c'] = 12, ['d'] = 13, - ['e'] = 14, ['f'] = 15, - - [' '] = -1, [','] = -1, - ['}'] = -1, ['\n'] = -1, - ['\t'] = -1 -}; - -/* - * read next hex value in the input stream, return -1 if EOF - */ -static int -NextInt ( - FILE *fstream) -{ - int ch; - int value = 0; - int gotone = 0; - int done = 0; - - /* loop, accumulate hex value until find delimiter */ - /* skip any initial delimiters found in read stream */ - - while (!done) { - ch = getc(fstream); - if (ch == EOF) { - value = -1; - done++; - } else { - /* trim high bits, check type and accumulate */ - ch &= 0xff; - if (isascii(ch) && isxdigit(ch)) { - value = (value << 4) + hexTable[ch]; - gotone++; - } else if ((hexTable[ch]) < 0 && gotone) - done++; - } - } - return value; -} - -int -XReadBitmapFileData ( - _Xconst char *filename, - unsigned int *width, /* RETURNED */ - unsigned int *height, /* RETURNED */ - unsigned char **data, /* RETURNED */ - int *x_hot, /* RETURNED */ - int *y_hot) /* RETURNED */ -{ - FILE *fstream; /* handle on file */ - unsigned char *bits = NULL; /* working variable */ - char line[MAX_SIZE]; /* input line from file */ - int size; /* number of bytes of data */ - char name_and_type[MAX_SIZE]; /* an input line */ - char *type; /* for parsing */ - int value; /* from an input line */ - int version10p; /* boolean, old format */ - int padding; /* to handle alignment */ - int bytes_per_line; /* per scanline of data */ - unsigned int ww = 0; /* width */ - unsigned int hh = 0; /* height */ - int hx = -1; /* x hotspot */ - int hy = -1; /* y hotspot */ - - if (!(fstream = fopen(filename, "r"))) - return BitmapOpenFailed; - - /* error cleanup and return macro */ -#define RETURN(code) \ -{ Xfree (bits); fclose (fstream); return code; } - - while (fgets(line, MAX_SIZE, fstream)) { - if (strlen(line) == MAX_SIZE-1) - RETURN (BitmapFileInvalid); - if (sscanf(line,"#define %s %d",name_and_type,&value) == 2) { - if (!(type = strrchr(name_and_type, '_'))) - type = name_and_type; - else - type++; - - if (!strcmp("width", type)) - ww = (unsigned int) value; - if (!strcmp("height", type)) - hh = (unsigned int) value; - if (!strcmp("hot", type)) { - if (type-- == name_and_type || type-- == name_and_type) - continue; - if (!strcmp("x_hot", type)) - hx = value; - if (!strcmp("y_hot", type)) - hy = value; - } - continue; - } - - if (sscanf(line, "static short %s = {", name_and_type) == 1) - version10p = 1; - else if (sscanf(line,"static unsigned char %s = {",name_and_type) == 1) - version10p = 0; - else if (sscanf(line, "static char %s = {", name_and_type) == 1) - version10p = 0; - else - continue; - - if (!(type = strrchr(name_and_type, '_'))) - type = name_and_type; - else - type++; - - if (strcmp("bits[]", type)) - continue; - - if (!ww || !hh) - RETURN (BitmapFileInvalid); - - if ((ww % 16) && ((ww % 16) < 9) && version10p) - padding = 1; - else - padding = 0; - - bytes_per_line = (ww+7)/8 + padding; - - size = bytes_per_line * hh; - bits = Xmalloc (size); - if (!bits) - RETURN (BitmapNoMemory); - - if (version10p) { - unsigned char *ptr; - int bytes; - - for (bytes=0, ptr=bits; bytes<size; (bytes += 2)) { - if ((value = NextInt(fstream)) < 0) - RETURN (BitmapFileInvalid); - *(ptr++) = value; - if (!padding || ((bytes+2) % bytes_per_line)) - *(ptr++) = value >> 8; - } - } else { - unsigned char *ptr; - int bytes; - - for (bytes=0, ptr=bits; bytes<size; bytes++, ptr++) { - if ((value = NextInt(fstream)) < 0) - RETURN (BitmapFileInvalid); - *ptr=value; - } - } - - /* If we got to this point, we read a full bitmap file. Break so we don't - * start reading another one from the same file and leak the memory - * allocated for the previous one. */ - break; - } /* end while */ - - fclose(fstream); - if (!bits) - return (BitmapFileInvalid); - - *data = bits; - *width = ww; - *height = hh; - if (x_hot) *x_hot = hx; - if (y_hot) *y_hot = hy; - - return (BitmapSuccess); -} - -int -XReadBitmapFile ( - Display *display, - Drawable d, - _Xconst char *filename, - unsigned int *width, /* RETURNED */ - unsigned int *height, /* RETURNED */ - Pixmap *pixmap, /* RETURNED */ - int *x_hot, /* RETURNED */ - int *y_hot) /* RETURNED */ -{ - unsigned char *data; - int res; - - res = XReadBitmapFileData(filename, width, height, &data, x_hot, y_hot); - if (res != BitmapSuccess) - return res; - *pixmap = XCreateBitmapFromData(display, d, (char *)data, *width, *height); - Xfree(data); - if (*pixmap == None) - return (BitmapNoMemory); - return (BitmapSuccess); -} |