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Diffstat (limited to 'hacks/ximage-loader.h')
| -rw-r--r-- | hacks/ximage-loader.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/hacks/ximage-loader.h b/hacks/ximage-loader.h new file mode 100644 index 0000000..bed163f --- /dev/null +++ b/hacks/ximage-loader.h @@ -0,0 +1,37 @@ +/* ximage-loader.h --- converts XPM data to Pixmaps. + * xscreensaver, Copyright (c) 1998-2018 Jamie Zawinski <jwz@jwz.org> + * + * 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. No representations are made about the suitability of this + * software for any purpose. It is provided "as is" without express or + * implied warranty. + */ + +#ifndef _XIMAGE_LOADER_H_ +#define _XIMAGE_LOADER_H_ + +extern Pixmap file_to_pixmap (Display *, Window, const char *filename, + int *width_ret, int *height_ret, + Pixmap *mask_ret); + +extern Pixmap image_data_to_pixmap (Display *, Window, + const unsigned char *image_data, + unsigned long data_size, + int *width_ret, int *height_ret, + Pixmap *mask_ret); + +/* This XImage has RGBA data, which is what OpenGL code typically expects. + Also it is upside down: the origin is at the bottom left of the image. + X11 typically expects 0RGB as it has no notion of alpha, only 1-bit masks. + With X11 code, you should probably use the _pixmap routines instead. + */ +extern XImage *image_data_to_ximage (Display *, Visual *, + const unsigned char *image_data, + unsigned long data_size); + +extern XImage *file_to_ximage (Display *, Visual *, const char *filename); + +#endif /* _XIMAGE_LOADER_H_ */ |