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144 lines
3.0 KiB
C
144 lines
3.0 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GDK_RGB_H__
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#define __GDK_RGB_H__
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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typedef struct _GdkRgbCmap GdkRgbCmap;
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struct _GdkRgbCmap {
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guint32 colors[256];
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guchar lut[256]; /* for 8-bit modes */
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};
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void
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gdk_rgb_init (void);
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gulong
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gdk_rgb_xpixel_from_rgb (guint32 rgb);
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void
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gdk_rgb_gc_set_foreground (GdkGC *gc, guint32 rgb);
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void
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gdk_rgb_gc_set_background (GdkGC *gc, guint32 rgb);
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typedef enum
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{
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GDK_RGB_DITHER_NONE,
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GDK_RGB_DITHER_NORMAL,
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GDK_RGB_DITHER_MAX
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} GdkRgbDither;
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void
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gdk_draw_rgb_image (GdkDrawable *drawable,
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GdkGC *gc,
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gint x,
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gint y,
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gint width,
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gint height,
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GdkRgbDither dith,
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guchar *rgb_buf,
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gint rowstride);
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void
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gdk_draw_rgb_image_dithalign (GdkDrawable *drawable,
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GdkGC *gc,
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gint x,
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gint y,
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gint width,
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gint height,
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GdkRgbDither dith,
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guchar *rgb_buf,
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gint rowstride,
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gint xdith,
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gint ydith);
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void
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gdk_draw_rgb_32_image (GdkDrawable *drawable,
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GdkGC *gc,
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gint x,
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gint y,
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gint width,
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gint height,
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GdkRgbDither dith,
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guchar *buf,
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gint rowstride);
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void
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gdk_draw_gray_image (GdkDrawable *drawable,
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GdkGC *gc,
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gint x,
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gint y,
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gint width,
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gint height,
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GdkRgbDither dith,
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guchar *buf,
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gint rowstride);
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GdkRgbCmap *
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gdk_rgb_cmap_new (guint32 *colors, gint n_colors);
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void
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gdk_rgb_cmap_free (GdkRgbCmap *cmap);
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void
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gdk_draw_indexed_image (GdkDrawable *drawable,
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GdkGC *gc,
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gint x,
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gint y,
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gint width,
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gint height,
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GdkRgbDither dith,
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guchar *buf,
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gint rowstride,
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GdkRgbCmap *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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gboolean
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gdk_rgb_ditherable (void);
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void
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gdk_rgb_set_verbose (gboolean verbose);
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/* experimental colormap stuff */
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void
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gdk_rgb_set_install (gboolean install);
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void
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gdk_rgb_set_min_colors (gint min_colors);
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GdkColormap *
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gdk_rgb_get_cmap (void);
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GdkVisual *
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gdk_rgb_get_visual (void);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __GDK_RGB_H__ */
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