[sdlgit/SDL_perl.git] / src / Core / objects / Surface.xs

#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"

#ifndef aTHX_
#define aTHX_
#endif

#include <SDL.h>

MODULE = SDL::Surface 	PACKAGE = SDL::Surface    PREFIX = surface_

=for documentation

SDL_Surface -- Graphic surface structure 

  typedef struct SDL_Surface {
      Uint32 flags;                           /* Read-only */
      SDL_PixelFormat *format;                /* Read-only */
      int w, h;                               /* Read-only */
      Uint16 pitch;                           /* Read-only */
      void *pixels;                           /* Read-write */
      SDL_Rect clip_rect;                     /* Read-only */
      int refcount;                           /* Read-mostly */

    /* This structure also contains private fields not shown here */
  } SDL_Surface;

=cut

SDL_Surface *
surface_new (CLASS, flags, width, height, depth, Rmask, Gmask, Bmask, Amask )
	char* CLASS
	Uint32 flags
	int width
	int height
	int depth
	Uint32 Rmask
	Uint32 Gmask
	Uint32 Bmask
	Uint32 Amask
	CODE:
		RETVAL = SDL_CreateRGBSurface ( flags, width, height,
				depth, Rmask, Gmask, Bmask, Amask );
	OUTPUT:
		RETVAL

SDL_PixelFormat *
surface_format ( surface )
	SDL_Surface *surface
	PREINIT:
		char* CLASS = "SDL::PixelFormat";
	CODE:
		RETVAL = surface->format;
	OUTPUT:
		RETVAL

Uint16
surface_pitch( surface )
	SDL_Surface *surface
	CODE:
		RETVAL = surface->pitch;
	OUTPUT:
		RETVAL

Uint16
surface_w ( surface )
	SDL_Surface *surface
	CODE:
		RETVAL = surface->w;
	OUTPUT:
		RETVAL

Uint16
surface_h ( surface )
	SDL_Surface *surface
	CODE:
		RETVAL = surface->h;
	OUTPUT:
		RETVAL

IV
surface_get_pixels(surface)
	SDL_Surface *surface
	CODE:
	  if(!surface->pixels) croak("Incomplete surface");
	  RETVAL = PTR2IV(surface->pixels);
	OUTPUT:
	  RETVAL

void
surface_set_pixels(surface, pixels)
	SDL_Surface *surface

	SV *pixels

	PREINIT:
	  STRLEN len;
	  void *p;

	CODE:
	  p = SvPV(pixels, len);
	  if (len > surface->pitch*surface->h)
		len = surface->pitch*surface->h;
	  memcpy(surface->pixels, p, len);

void
surface_DESTROY(surface)
	SDL_Surface *surface
	CODE:
		Uint8* pixels = surface->pixels;
		Uint32 flags = surface->flags;
		SDL_FreeSurface(surface);
		if (flags & SDL_PREALLOC)
			Safefree(pixels);
Commit	Line	Data
88a46efc	1	#include "EXTERN.h"
	2	#include "perl.h"
	3	#include "XSUB.h"
	4
	5	#ifndef aTHX_
	6	#define aTHX_
	7	#endif
	8
	9	#include <SDL.h>
	10
	11	MODULE = SDL::Surface PACKAGE = SDL::Surface PREFIX = surface_
	12
	13	=for documentation
	14
	15	SDL_Surface -- Graphic surface structure
	16
	17	typedef struct SDL_Surface {
	18	Uint32 flags; /* Read-only */
	19	SDL_PixelFormat format; / Read-only */
	20	int w, h; /* Read-only */
	21	Uint16 pitch; /* Read-only */
	22	void pixels; / Read-write */
	23	SDL_Rect clip_rect; /* Read-only */
	24	int refcount; /* Read-mostly */
	25
	26	/* This structure also contains private fields not shown here */
	27	} SDL_Surface;
	28
	29	=cut
	30
	31	SDL_Surface *
	32	surface_new (CLASS, flags, width, height, depth, Rmask, Gmask, Bmask, Amask )
	33	char* CLASS
	34	Uint32 flags
	35	int width
	36	int height
	37	int depth
	38	Uint32 Rmask
	39	Uint32 Gmask
	40	Uint32 Bmask
	41	Uint32 Amask
	42	CODE:
	43	RETVAL = SDL_CreateRGBSurface ( flags, width, height,
	44	depth, Rmask, Gmask, Bmask, Amask );
	45	OUTPUT:
	46	RETVAL
	47
50d9130a	48	SDL_PixelFormat *
	49	surface_format ( surface )
	50	SDL_Surface *surface
4510df28	51	PREINIT:
50d9130a	52	char* CLASS = "SDL::PixelFormat";
4510df28	53	CODE:
50d9130a	54	RETVAL = surface->format;
	55	OUTPUT:
	56	RETVAL
	57
88a46efc	58	Uint16
18ef5a29	59	surface_pitch( surface )
	60	SDL_Surface *surface
	61	CODE:
	62	RETVAL = surface->pitch;
	63	OUTPUT:
	64	RETVAL
	65
	66	Uint16
88a46efc	67	surface_w ( surface )
	68	SDL_Surface *surface
	69	CODE:
	70	RETVAL = surface->w;
	71	OUTPUT:
	72	RETVAL
	73
	74	Uint16
	75	surface_h ( surface )
	76	SDL_Surface *surface
	77	CODE:
	78	RETVAL = surface->h;
	79	OUTPUT:
	80	RETVAL
	81
18ef5a29	82	IV
	83	surface_get_pixels(surface)
	84	SDL_Surface *surface
	85	CODE:
b7ed9095	86	if(!surface->pixels) croak("Incomplete surface");
793e8806	87	RETVAL = PTR2IV(surface->pixels);
18ef5a29	88	OUTPUT:
793e8806	89	RETVAL
18ef5a29	90
	91	void
	92	surface_set_pixels(surface, pixels)
	93	SDL_Surface *surface
	94
	95	SV *pixels
	96
	97	PREINIT:
	98	STRLEN len;
	99	void *p;
	100
	101	CODE:
	102	p = SvPV(pixels, len);
	103	if (len > surface->pitch*surface->h)
	104	len = surface->pitch*surface->h;
	105	memcpy(surface->pixels, p, len);
	106
88a46efc	107	void
	108	surface_DESTROY(surface)
	109	SDL_Surface *surface
	110	CODE:
	111	Uint8* pixels = surface->pixels;
	112	Uint32 flags = surface->flags;
	113	SDL_FreeSurface(surface);
	114	if (flags & SDL_PREALLOC)
	115	Safefree(pixels);