50 lines
2.3 KiB
C
50 lines
2.3 KiB
C
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/***************************************************************************
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image.h
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(c) 2000-2007 Benoit Minisini <gambas@users.sourceforge.net>
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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 as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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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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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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***************************************************************************/
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#ifndef __IMAGE_H
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#define __IMAGE_H
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#include "main.h"
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static inline int RED(uint rgba) { return ((rgba >> 16) & 0xff); }
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static inline int GREEN(uint rgba) { return ((rgba >> 8) & 0xff); }
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static inline int BLUE(uint rgba) { return (rgba & 0xff); }
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static inline int ALPHA(uint rgba) { return ((rgba >> 24) & 0xff); }
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static inline uint RGB(int r, int g, int b) { return (0xff << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff); }
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static inline uint RGBA(int r, int g, int b, int a) { return ((a & 0xff) << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff); }
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static inline int GRAY(uint rgba) { return (RED(rgba) * 11 + GREEN(rgba) * 16 + BLUE(rgba) * 5) / 32; }
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int IMAGE_size(GB_IMG *img);
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void IMAGE_create(GB_IMG *img, int width, int height, int format);
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void IMAGE_create_with_data(GB_IMG *img, int width, int height, int format, unsigned char *data);
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void IMAGE_take(GB_IMG *img, GB_IMG_OWNER *owner, void *owner_handle, int width, int height, unsigned char *data);
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int IMAGE_check(GB_IMG *img, GB_IMG_OWNER *owner);
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void IMAGE_delete(GB_IMG *img);
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void IMAGE_convert(GB_IMG *img, int format);
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void IMAGE_fill(GB_IMG *img, GB_COLOR col);
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void IMAGE_make_gray(GB_IMG *img);
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void IMAGE_make_transparent(GB_IMG *img, GB_COLOR color);
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GB_COLOR IMAGE_get_pixel(GB_IMG *img, int x, int y);
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void IMAGE_set_pixel(GB_IMG *img, int x, int y, GB_COLOR col);
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void IMAGE_replace(GB_IMG *img, GB_COLOR src, GB_COLOR dst, bool noteq);
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#endif
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