113 lines
2.5 KiB
C++
113 lines
2.5 KiB
C++
//
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// "$Id: Fl_XBM_Image.cxx 7903 2010-11-28 21:06:39Z matt $"
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//
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// Fl_XBM_Image routines.
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//
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// Copyright 1997-2010 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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// Contents:
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//
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// Fl_XBM_Image::Fl_XBM_Image() - Load an XBM file.
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//
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//
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// Include necessary header files...
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//
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#include <FL/Fl.H>
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#include <FL/Fl_XBM_Image.H>
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#include <stdio.h>
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#include <stdlib.h>
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#include <FL/fl_utf8.h>
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#include "flstring.h"
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//
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// 'Fl_XBM_Image::Fl_XBM_Image()' - Load an XBM file.
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//
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/**
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The constructor loads the named XBM file from the given name filename.
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<P>The destructor free all memory and server resources that are used by
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the image.
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*/
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Fl_XBM_Image::Fl_XBM_Image(const char *name) : Fl_Bitmap((const char *)0,0,0) {
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FILE *f;
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uchar *ptr;
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if ((f = fl_fopen(name, "rb")) == NULL) return;
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char buffer[1024];
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char junk[1024];
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int wh[2]; // width and height
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int i;
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for (i = 0; i<2; i++) {
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for (;;) {
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if (!fgets(buffer,1024,f)) {
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fclose(f);
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return;
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}
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int r = sscanf(buffer,"#define %s %d",junk,&wh[i]);
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if (r >= 2) break;
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}
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}
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// skip to data array:
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for (;;) {
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if (!fgets(buffer,1024,f)) {
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fclose(f);
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return;
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}
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if (!strncmp(buffer,"static ",7)) break;
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}
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// Allocate memory...
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w(wh[0]);
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h(wh[1]);
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int n = ((wh[0]+7)/8)*wh[1];
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array = new uchar[n];
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// read the data:
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for (i = 0, ptr = (uchar *)array; i < n;) {
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if (!fgets(buffer,1024,f)) {
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fclose(f);
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return;
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}
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const char *a = buffer;
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while (*a && i<n) {
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unsigned int t;
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if (sscanf(a," 0x%x",&t)>0) {
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*ptr++ = (uchar)t;
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i ++;
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}
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while (*a && *a++ != ',');
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}
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}
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fclose(f);
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}
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//
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// End of "$Id: Fl_XBM_Image.cxx 7903 2010-11-28 21:06:39Z matt $".
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//
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