88 lines
3.6 KiB
C
88 lines
3.6 KiB
C
/***************************************************************************
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image.h
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(c) 2000-2017 Benoît Minisini <g4mba5@gmail.com>
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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 2, 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., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, 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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#ifndef __IMAGE_C
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extern bool IMAGE_debug;
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#endif
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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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void *IMAGE_check(GB_IMG *img, GB_IMG_OWNER *temp_owner);
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void IMAGE_synchronize(GB_IMG *img);
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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_fill_rect(GB_IMG *img, int x, int y, int w, int h, GB_COLOR col, bool opaque);
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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_get_pixels(GB_IMG *img, int *data);
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void IMAGE_set_pixels(GB_IMG *img, int *data);
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void IMAGE_replace(GB_IMG *img, GB_COLOR src, GB_COLOR dst, bool noteq);
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void IMAGE_set_default_format(int format);
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int IMAGE_get_default_format();
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const char *IMAGE_format_to_string(int fmt);
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int IMAGE_format_from_string(char *fmt);
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void IMAGE_bitblt(GB_IMG *dst, int dx, int dy, int dw, int dh, GB_IMG *src, int sx, int sy, int sw, int sh);
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void IMAGE_draw_alpha(GB_IMG *dst, int dx, int dy, GB_IMG *src, int sx, int sy, int sw, int sh);
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void IMAGE_compose(GB_IMG *dst, int dx, int dy, int dw, int dh, GB_IMG *src, int sx, int sy, int sw, int sh);
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void IMAGE_colorize(GB_IMG *img, GB_COLOR color);
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void IMAGE_mask(GB_IMG *img, GB_COLOR color);
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void IMAGE_mirror(GB_IMG *src, GB_IMG *dst, bool horizontal, bool vertical);
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void IMAGE_rotate(GB_IMG *src, GB_IMG *dst, bool left);
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void IMAGE_transform(GB_IMG *dst, GB_IMG *src, double sx, double sy, double sdx, double sdy);
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void IMAGE_set_opacity(GB_IMG *dst, uchar opacity);
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void IMAGE_blur(GB_IMG *img, int radius);
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void IMAGE_balance(GB_IMG *img, int brightness, int contrast, int gamma, int hue, int saturation, int lightness);
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#define IMAGE_is_void(_image) ((_image)->is_void)
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#endif
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