56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
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/* $Id$ */
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/* Copyright 2004 The gtkmm Development Team
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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 Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _GDKMM_RGB_H
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#define _GDKMM_RGB_H
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#include <gdkmm/colormap.h>
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#include <gdkmm/visual.h>
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namespace Gdk
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{
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/** Get the preferred colormap for rendering image data.
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* Not a very useful function; historically, GDK could only render RGB image data to one colormap and visual,
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* but in the current version it can render to any colormap and visual. So there's no need to call this function.
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*
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* @result The preferred colormap
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*/
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Glib::RefPtr<Colormap> rgb_get_colormap();
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/** Gets a "preferred visual" chosen by GdkRGB for rendering image data on the default screen.
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* In previous versions of GDK, this was the only visual GdkRGB could use for rendering. In current versions,
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* it's simply the visual GdkRGB would have chosen as the optimal one in those previous versions.
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* GdkRGB can now render to drawables with any visual.
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* @result The Gdk::Visual chosen by GdkRGB.
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*/
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Glib::RefPtr<Visual> rgb_get_visual();
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/** Determines whether the visual is ditherable.
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* This function may be useful for presenting a user interface choice to the user about which dither mode is desired;
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* if the display is not ditherable, it may make sense to gray out or hide the corresponding UI widget.
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* result true if the visual is ditherable.
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*/
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bool rgb_ditherable();
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} //namespace Gdk
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#endif //_GDKMM_RGB_H
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