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41 lines
1.4 KiB
41 lines
1.4 KiB
15 years ago
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/*
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// Copyright (C) 2000 Julien Carme
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// Copyright (C) 2001 Neil Stevens <neil@qualityassistant.com>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2, as
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// published by the Free Software Foundation.
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//
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// This program 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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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _DISPLAY_H_
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#define _DISPLAY_H_
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#define NB_PALETTES 5
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#define wrap(a) ( a < 0 ? 0 : ( a > 255 ? 255 : a ))
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#define assign_max(p,a) ( *p = ( *p > a ? *p : a ))
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#define PI 3.14159
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#define VIDEO_FLAGS (SDL_HWSURFACE|SDL_HWPALETTE)
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void generate_colors(void);
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void change_color(int old_p,int p,int w);
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void compute_surface(t_interpol* vector_field);
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void display_surface(void);
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void blur(t_interpol* vector_field);
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void spectral(t_effect* current_effect,short data[2][512]);
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void line(int _x1, int _y1, int _x2, int _y2, int _c);
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void curve(t_effect* current_effect);
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void init_sdl(void);
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void toggle_fullscreen(void);
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void close_sdl(void);
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#endif
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