Added XBM, XPM, and PNM image file classes.

The pixmap_browser demo now supports all image formats via Fl_Shared_Image.

Dropped image file stuff from image demo.

Added Fl_Tiled_Image class, which tiles an Fl_Image, useful for tiling a
background image in groups.

Added tiled_image demo.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@1725 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 88 insertions, 0 deletions

diff --git a/src/Fl_XBM_Image.cxx b/src/Fl_XBM_Image.cxx
new file mode 100644
index 000000000..9eedcad2f
--- /dev/null
+++ b/src/Fl_XBM_Image.cxx
@@ -0,0 +1,88 @@
+//
+// "$Id: Fl_XBM_Image.cxx,v 1.1.2.1 2001/11/24 18:07:57 easysw Exp $"
+//
+// Fl_XBM_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_XBM_Image.H>
+#include "config.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+Fl_XBM_Image::Fl_XBM_Image(const char *name) : Fl_Bitmap((const char *)0,0,0) {
+  FILE	*f;
+  uchar	*data;
+
+  if ((f = fopen(name, "rb")) == NULL) return;
+
+  char buffer[1024];
+  char junk[1024];
+  int wh[2]; // width and height
+  int i;
+  for (i = 0; i<2; i++) {
+    for (;;) {
+      if (!fgets(buffer,1024,f)) return;
+      int r = sscanf(buffer,"#define %s %d",junk,&wh[i]);
+      if (r >= 2) break;
+    }
+  }
+
+  // skip to data array:
+  for (;;) {
+    if (!fgets(buffer,1024,f)) return;
+    if (!strncmp(buffer,"static ",7)) break;
+  }
+
+  // Allocate memory...
+  w(wh[0]);
+  h(wh[1]);
+
+  int n = ((wh[0]+7)/8)*wh[1];
+  array = new uchar[((w() + 7) / 8) * h()];
+
+  // read the data:
+  for (i = 0, data = (uchar *)array; i < n;) {
+    if (!fgets(buffer,1024,f)) return;
+    const char *a = buffer;
+    while (*a && i<n) {
+      int t;
+      if (sscanf(a," 0x%x",&t)>0) *data++ = t;
+      while (*a && *a++ != ',');
+    }
+  }
+
+  fclose(f);
+}
+
+
+//
+// End of "$Id: Fl_XBM_Image.cxx,v 1.1.2.1 2001/11/24 18:07:57 easysw Exp $".
+//