1 /* 2 * SDL Graphics Extension 3 * Rotation routines (header) 4 * 5 * Started 000625 6 * 7 * License: LGPL v2+ (see the file LICENSE) 8 * (c)1999-2003 Anders Lindstr�m 9 */ 10 11 /********************************************************************* 12 * This library is free software; you can redistribute it and/or * 13 * modify it under the terms of the GNU Library General Public * 14 * License as published by the Free Software Foundation; either * 15 * version 2 of the License, or (at your option) any later version. * 16 *********************************************************************/ 17 18 #ifndef sge_rotation_H 19 #define sge_rotation_H 20 21 #include "SDL.h" 22 #include "sge_internal.h" 23 24 /* Transformation flags */ 25 #define SGE_TAA SGE_FLAG1 26 #define SGE_TSAFE SGE_FLAG2 27 #define SGE_TTMAP SGE_FLAG3 28 29 #ifdef _SGE_C 30 extern "C" { 31 #endif 32 DECLSPEC SDL_Rect sge_transform(SDL_Surface *src, SDL_Surface *dst, float angle, float xscale, float yscale ,Uint16 px, Uint16 py, Uint16 qx, Uint16 qy, Uint8 flags); 33 DECLSPEC SDL_Surface *sge_transform_surface(SDL_Surface *src, Uint32 bcol, float angle, float xscale, float yscale, Uint8 flags); 34 35 36 /* Old obolete functions - now uses sge_transform() anyway */ 37 DECLSPEC SDL_Surface *sge_rotate_scaled_surface(SDL_Surface *src, int angle, double scale, Uint32 bcol); 38 DECLSPEC SDL_Surface *sge_rotate_surface(SDL_Surface *src, int angle, Uint32 bcol); 39 DECLSPEC SDL_Rect sge_rotate_xyscaled(SDL_Surface *dest, SDL_Surface *src, Sint16 x, Sint16 y, int angle, double xscale, double yscale); 40 DECLSPEC SDL_Rect sge_rotate_scaled(SDL_Surface *dest, SDL_Surface *src, Sint16 x, Sint16 y, int angle, double scale); 41 DECLSPEC SDL_Rect sge_rotate(SDL_Surface *dest, SDL_Surface *src, Sint16 x, Sint16 y, int angle); 42 #ifdef _SGE_C 43 } 44 #endif 45 46 #endif /* sge_rotation_H */ 47