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Diffstat (limited to 'src/Fl_XPM_Image.cxx')
| -rw-r--r-- | src/Fl_XPM_Image.cxx | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/Fl_XPM_Image.cxx b/src/Fl_XPM_Image.cxx new file mode 100644 index 000000000..d29429599 --- /dev/null +++ b/src/Fl_XPM_Image.cxx @@ -0,0 +1,129 @@ +// +// "$Id: Fl_XPM_Image.cxx,v 1.1.2.1 2001/11/24 18:07:57 easysw Exp $" +// +// Fl_XPM_Image routines. +// +// Copyright 1997-2001 by Bill Spitzak and others. +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Library General Public +// License as published by the Free Software Foundation; either +// version 2 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Library General Public License for more details. +// +// You should have received a copy of the GNU Library General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +// USA. +// +// Please report all bugs and problems to "fltk-bugs@fltk.org". +// +// Contents: +// +// + +// +// Include necessary header files... +// + +#include <FL/Fl.H> +#include <FL/Fl_XPM_Image.H> +#include "config.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> + + +// +// 'hexdigit()' - Convert a hex digit to an integer. +// + +static int hexdigit(int x) { // I - Hex digit... + if (isdigit(x)) return x-'0'; + if (isupper(x)) return x-'A'+10; + if (islower(x)) return x-'a'+10; + return 20; +} + +#define MAXSIZE 2048 +#define INITIALLINES 256 + +Fl_XPM_Image::Fl_XPM_Image(const char *name) : Fl_Pixmap((char *const*)0) { + FILE *f; + + if ((f = fopen(name, "rb")) == NULL) return; + + // read all the c-strings out of the file: + char** new_data = new char *[INITIALLINES]; + char** temp_data; + int malloc_size = INITIALLINES; + char buffer[MAXSIZE+20]; + int i = 0; + while (fgets(buffer,MAXSIZE+20,f)) { + if (buffer[0] != '\"') continue; + char *myp = buffer; + char *q = buffer+1; + while (*q != '\"' && myp < buffer+MAXSIZE) { + if (*q == '\\') switch (*++q) { + case '\r': + case '\n': + fgets(q,(buffer+MAXSIZE+20)-q,f); break; + case 0: + break; + case 'x': { + q++; + int n = 0; + for (int x = 0; x < 3; x++) { + int d = hexdigit(*q); + if (d > 15) break; + n = (n<<4)+d; + q++; + } + *myp++ = n; + } break; + default: { + int c = *q++; + if (c>='0' && c<='7') { + c -= '0'; + for (int x=0; x<2; x++) { + int d = hexdigit(*q); + if (d>7) break; + c = (c<<3)+d; + q++; + } + } + *myp++ = c; + } break; + } else { + *myp++ = *q++; + } + } + *myp++ = 0; + if (i >= malloc_size) { + temp_data = new char *[malloc_size + INITIALLINES]; + memcpy(temp_data, new_data, sizeof(char *) * malloc_size); + delete[] new_data; + new_data = temp_data; + malloc_size += INITIALLINES; + } + new_data[i] = new char[myp-buffer+1]; + memcpy(new_data[i], buffer,myp-buffer); + new_data[i][myp-buffer] = 0; + i++; + } + + fclose(f); + + data(new_data, i); + measure(); +} + + +// +// End of "$Id: Fl_XPM_Image.cxx,v 1.1.2.1 2001/11/24 18:07:57 easysw Exp $". +// |