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195 lines
4.7 KiB
195 lines
4.7 KiB
/*
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "MPL"); you may not use this file except in
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* compliance with the MPL. You may obtain a copy of the MPL at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the MPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the MPL
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* for the specific language governing rights and limitations under the
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* MPL.
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU Library General Public License (the "LGPL"), in
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* which case the provisions of the LGPL are applicable instead of
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* those above. If you wish to allow use of your version of this file
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* only under the terms of the LGPL and not to allow others to use
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* your version of this file under the MPL, indicate your decision by
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* deleting the provisions above and replace them with the notice and
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* other provisions required by the LGPL. If you do not delete the
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* provisions above, a recipient may use your version of this file
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* under either the MPL or the LGPL.
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*/
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/*
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* This code is derived from GdkRgb.
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* For more information on GdkRgb, see http://www.levien.com/gdkrgb/
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* Raph Levien <raph@acm.org>
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*/
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/* Ported by Christopher Blizzard to Xlib. With permission from the
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* original authors of this file, the contents of this file are also
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* redistributable under the terms of the Mozilla Public license. For
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* information about the Mozilla Public License, please see the
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* license information at http://www.mozilla.org/MPL/
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*/
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/* This code is copyright the following authors:
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* Raph Levien <raph@acm.org>
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* Manish Singh <manish@gtk.org>
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* Tim Janik <timj@gtk.org>
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* Peter Mattis <petm@xcf.berkeley.edu>
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* Spencer Kimball <spencer@xcf.berkeley.edu>
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* Josh MacDonald <jmacd@xcf.berkeley.edu>
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* Christopher Blizzard <blizzard@redhat.com>
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* Owen Taylor <otaylor@redhat.com>
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* Shawn T. Amundson <amundson@gtk.org>
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*/
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#ifndef __XLIB_RGB_H__
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#define __XLIB_RGB_H__
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xos.h>
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#include <X11/Intrinsic.h>
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typedef struct _XlibRgbCmap XlibRgbCmap;
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struct _XlibRgbCmap {
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unsigned int colors[256];
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unsigned char lut[256]; /* for 8-bit modes */
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};
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void
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xlib_rgb_init (Display *display, Screen *screen);
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void
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xlib_rgb_init_with_depth (Display *display, Screen *screen, int prefDepth);
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unsigned long
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xlib_rgb_xpixel_from_rgb (unsigned int rgb);
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void
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xlib_rgb_gc_set_foreground (GC gc, unsigned int rgb);
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void
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xlib_rgb_gc_set_background (GC gc, unsigned int rgb);
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typedef enum
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{
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XLIB_RGB_DITHER_NONE,
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XLIB_RGB_DITHER_NORMAL,
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XLIB_RGB_DITHER_MAX
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} XlibRgbDither;
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void
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xlib_draw_rgb_image (Drawable drawable,
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GC gc,
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int x,
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int y,
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int width,
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int height,
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XlibRgbDither dith,
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unsigned char *rgb_buf,
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int rowstride);
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void
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xlib_draw_rgb_image_dithalign (Drawable drawable,
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GC gc,
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int x,
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int y,
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int width,
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int height,
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XlibRgbDither dith,
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unsigned char *rgb_buf,
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int rowstride,
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int xdith,
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int ydith);
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void
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xlib_draw_rgb_32_image (Drawable drawable,
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GC gc,
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int x,
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int y,
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int width,
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int height,
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XlibRgbDither dith,
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unsigned char *buf,
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int rowstride);
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void
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xlib_draw_gray_image (Drawable drawable,
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GC gc,
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int x,
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int y,
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int width,
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int height,
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XlibRgbDither dith,
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unsigned char *buf,
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int rowstride);
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XlibRgbCmap *
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xlib_rgb_cmap_new (unsigned int *colors, int n_colors);
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void
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xlib_rgb_cmap_free (XlibRgbCmap *cmap);
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void
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xlib_draw_indexed_image (Drawable drawable,
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GC gc,
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int x,
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int y,
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int width,
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int height,
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XlibRgbDither dith,
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unsigned char *buf,
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int rowstride,
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XlibRgbCmap *cmap);
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/* Below are some functions which are primarily useful for debugging
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and experimentation. */
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Bool
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xlib_rgb_ditherable (void);
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void
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xlib_rgb_set_verbose (Bool verbose);
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/* experimental colormap stuff */
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void
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xlib_rgb_set_install (Bool install);
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void
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xlib_rgb_set_min_colors (int min_colors);
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Colormap
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xlib_rgb_get_cmap (void);
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Visual *
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xlib_rgb_get_visual (void);
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XVisualInfo *
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xlib_rgb_get_visual_info (void);
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int
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xlib_rgb_get_depth (void);
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Display *
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xlib_rgb_get_display (void);
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Screen *
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xlib_rgb_get_screen (void);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __XLIB_RGB_H__ */
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