55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
|
#ifndef _SDL_rotozoom_h
|
||
|
|
#define _SDL_rotozoom_h
|
||
|
|
|
||
|
|
/* Set up for C function definitions, even when using C++ */
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C"
|
||
|
|
{
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "SDL.h"
|
||
|
|
|
||
|
|
/* ---- Defines */
|
||
|
|
|
||
|
|
#define SMOOTHING_OFF 0
|
||
|
|
#define SMOOTHING_ON 1
|
||
|
|
|
||
|
|
/* ---- Prototypes */
|
||
|
|
|
||
|
|
/*
|
||
|
|
|
||
|
|
rotozoomSurface()
|
||
|
|
|
||
|
|
Rotates and zoomes a 32bit or 8bit 'src' surface to newly created 'dst' surface.
|
||
|
|
'angle' is the rotation in degrees. 'zoom' a scaling factor. If 'smooth' is 1
|
||
|
|
then the destination 32bit surface is anti-aliased. If the surface is not 8bit
|
||
|
|
or 32bit RGBA/ABGR it will be converted into a 32bit RGBA format on the fly.
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
SDL_Surface *rotozoomSurface (const SDL_Surface * src, double angle, double zoom,
|
||
|
|
int smooth);
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
|
||
|
|
zoomSurface()
|
||
|
|
|
||
|
|
Zoomes a 32bit or 8bit 'src' surface to newly created 'dst' surface.
|
||
|
|
'zoomx' and 'zoomy' are scaling factors for width and height. If 'smooth' is 1
|
||
|
|
then the destination 32bit surface is anti-aliased. If the surface is not 8bit
|
||
|
|
or 32bit RGBA/ABGR it will be converted into a 32bit RGBA format on the fly.
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
SDL_Surface *zoomSurface (const SDL_Surface * src, double zoomx, double zoomy,
|
||
|
|
int smooth);
|
||
|
|
|
||
|
|
|
||
|
|
/* Ends C function definitions when using C++ */
|
||
|
|
#ifdef __cplusplus
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _SDL_rotozoom_h */
|