43 lines
1.8 KiB
C
43 lines
1.8 KiB
C
/* Grafx2 - The Ultimate 256-color bitmap paint program
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Copyright 2007 Adrien Destugues
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Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud)
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Grafx2 is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2
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of the License.
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Grafx2 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Grafx2; if not, see <http://www.gnu.org/licenses/>
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*/
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//////////////////////////////////////////////////////////////////////////////
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///@file palette.h
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/// Palette screen, and some palette-related high-level functions.
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//////////////////////////////////////////////////////////////////////////////
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/// Open the palette menu and handles everything inside it.
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void Button_Palette(void);
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/// Open the secondary palette menu and handles it.
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void Button_Secondary_palette(void);
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/// Choose the number of graduations for RGB components, from 2 to 256.
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void Set_palette_RGB_scale(int);
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///
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/// Scale a component (R, G or B) according to the current RGB graduations.
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/// Returns the resulting value, in the [0-255] range.
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byte Round_palette_component(byte comp);
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/*!
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Adds 4 menu colors in the current palette.
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@param color_usage An up-to-date color usage table (byte[256]) (read only)
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@param not_picture 0 if the caller is the palette screen, 1 if it's a preview in the file selector.
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*/
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void Set_nice_menu_colors(dword * color_usage,int not_picture);
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