diff options
| author | Michael R Sweet <michael.r.sweet@gmail.com> | 2002-06-28 21:19:42 +0000 |
|---|---|---|
| committer | Michael R Sweet <michael.r.sweet@gmail.com> | 2002-06-28 21:19:42 +0000 |
| commit | 686aea65d455533a1d254f3289d08cff9a6ec473 (patch) | |
| tree | bd99c9b5a544c6bf527ed23051fc1d5cb536ce27 /src/fl_images_core.cxx | |
| parent | 8efe8dcc2338f700c76af2cbeb1588a1ab8213d8 (diff) | |
Add missing file.
Update dependencies.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@2332 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Diffstat (limited to 'src/fl_images_core.cxx')
| -rw-r--r-- | src/fl_images_core.cxx | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/fl_images_core.cxx b/src/fl_images_core.cxx new file mode 100644 index 000000000..264a37ad9 --- /dev/null +++ b/src/fl_images_core.cxx @@ -0,0 +1,86 @@ +// +// "$Id: fl_images_core.cxx,v 1.1.2.1 2002/06/28 21:19:42 easysw Exp $" +// +// FLTK images library core. +// +// Copyright 1997-2002 by Easy Software Products. +// +// 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: +// +// fl_register_images() - Register the image formats. +// fl_check_images() - Check for a supported image format. +// + +// +// Include necessary header files... +// + +#include <FL/Fl_Shared_Image.H> +#include <FL/Fl_JPEG_Image.H> +#include <FL/Fl_PNG_Image.H> +#include <stdio.h> +#include <stdlib.h> +#include "flstring.h" + + +// +// Define a simple global image registration function that registers +// the extra image formats that aren't part of the core FLTK library. +// + +static Fl_Image *fl_check_images(const char *name, uchar *header, int headerlen); + + +// +// 'fl_register_images()' - Register the image formats. +// + +void fl_register_images() { + Fl_Shared_Image::add_handler(fl_check_images); +} + + +// +// 'fl_check_images()' - Check for a supported image format. +// + +Fl_Image * // O - Image, if found +fl_check_images(const char *name, // I - Filename + uchar *header, // I - Header data from file + int headerlen) { // I - Amount of data +#ifdef HAVE_LIBPNG + if (memcmp(header, "\211PNG", 4) == 0) // PNG header + return new Fl_PNG_Image(name); +#endif // HAVE_LIBPNG + +#ifdef HAVE_LIBJPEG + if (memcmp(header, "\377\330\377", 3) == 0 && // Start-of-Image + header[3] >= 0xe0 && header[3] <= 0xef) + // APPn + return new Fl_JPEG_Image(name); +#endif // HAVE_LIBJPEG + + return 0; +} + + +// +// End of "$Id: fl_images_core.cxx,v 1.1.2.1 2002/06/28 21:19:42 easysw Exp $". +// |