[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
	CODE:
		char* CLASS = "SDL::PixelFormat";
		RETVAL = surface->format;
	OUTPUT:
		RETVAL

int
surface_fill_rect ( dest, dest_rect, color )
	SDL_Surface *dest
	SDL_Color *color
	SDL_Rect *dest_rect
	CODE:
		Uint32 pixel = SDL_MapRGB(dest->format,color->r,color->g,color->b);
		RETVAL = SDL_FillRect(dest,dest_rect,pixel);
	OUTPUT:
		RETVAL
		
void
surface_update_rect ( surface, x, y, w ,h )
	SDL_Surface *surface
	int x
	int y
	int w
	int h
	CODE:
		SDL_UpdateRect(surface,x,y,w,h);

void
surface_update_rects ( surface, ... )
	SDL_Surface *surface
	CODE:
		SDL_Rect *rects, *temp;
		int num_rects,i;
		if ( items < 2 ) return;
		num_rects = items - 1;
			
		rects = (SDL_Rect *)safemalloc(sizeof(SDL_Rect)*items);
		for(i=0;i<num_rects;i++) {
			temp = (SDL_Rect *)SvIV(ST(i+1));
			rects[i].x = temp->x;
			rects[i].y = temp->y;
			rects[i].w = temp->w;
			rects[i].h = temp->h;
		} 
		SDL_UpdateRects(surface,num_rects,rects);
		safefree(rects);

SDL_Surface *
surface_display ( surface )
	SDL_Surface *surface
	CODE:
		char* CLASS = "SDL::Surface";
		RETVAL = SDL_DisplayFormat(surface);
	OUTPUT:
		RETVAL

SDL_Surface *
surface_display_alpha ( surface )
	SDL_Surface *surface
	CODE:
		char* CLASS = "SDL::Surface";
		RETVAL = SDL_DisplayFormatAlpha(surface);
	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
	51	CODE:
	52	char* CLASS = "SDL::PixelFormat";
	53	RETVAL = surface->format;
	54	OUTPUT:
	55	RETVAL
	56
88a46efc	57	int
88a46efc	58	surface_fill_rect ( dest, dest_rect, color )
	59	SDL_Surface *dest
	60	SDL_Color *color
	61	SDL_Rect *dest_rect
	62	CODE:
	63	Uint32 pixel = SDL_MapRGB(dest->format,color->r,color->g,color->b);
	64	RETVAL = SDL_FillRect(dest,dest_rect,pixel);
	65	OUTPUT:
	66	RETVAL
	67
	68	void
	69	surface_update_rect ( surface, x, y, w ,h )
	70	SDL_Surface *surface
	71	int x
	72	int y
	73	int w
	74	int h
	75	CODE:
	76	SDL_UpdateRect(surface,x,y,w,h);
	77
	78	void
	79	surface_update_rects ( surface, ... )
	80	SDL_Surface *surface
	81	CODE:
	82	SDL_Rect rects, temp;
	83	int num_rects,i;
	84	if ( items < 2 ) return;
	85	num_rects = items - 1;
	86
	87	rects = (SDL_Rect )safemalloc(sizeof(SDL_Rect)items);
	88	for(i=0;i<num_rects;i++) {
	89	temp = (SDL_Rect *)SvIV(ST(i+1));
	90	rects[i].x = temp->x;
	91	rects[i].y = temp->y;
	92	rects[i].w = temp->w;
	93	rects[i].h = temp->h;
	94	}
	95	SDL_UpdateRects(surface,num_rects,rects);
	96	safefree(rects);
	97
	98	SDL_Surface *
	99	surface_display ( surface )
	100	SDL_Surface *surface
	101	CODE:
41a5a9ee	102	char* CLASS = "SDL::Surface";
88a46efc	103	RETVAL = SDL_DisplayFormat(surface);
	104	OUTPUT:
	105	RETVAL
	106
41a5a9ee	107	SDL_Surface *
	108	surface_display_alpha ( surface )
	109	SDL_Surface *surface
	110	CODE:
	111	char* CLASS = "SDL::Surface";
	112	RETVAL = SDL_DisplayFormatAlpha(surface);
	113	OUTPUT:
	114	RETVAL
	115
88a46efc	116	Uint16
18ef5a29	117	surface_pitch( surface )
	118	SDL_Surface *surface
	119	CODE:
	120	RETVAL = surface->pitch;
	121	OUTPUT:
	122	RETVAL
	123
	124	Uint16
88a46efc	125	surface_w ( surface )
	126	SDL_Surface *surface
	127	CODE:
	128	RETVAL = surface->w;
	129	OUTPUT:
	130	RETVAL
	131
	132	Uint16
	133	surface_h ( surface )
	134	SDL_Surface *surface
	135	CODE:
	136	RETVAL = surface->h;
	137	OUTPUT:
	138	RETVAL
	139
18ef5a29	140	IV
	141	surface_get_pixels(surface)
	142	SDL_Surface *surface
	143	CODE:
b7ed9095	144	if(!surface->pixels) croak("Incomplete surface");
793e8806	145	RETVAL = PTR2IV(surface->pixels);
18ef5a29	146	OUTPUT:
793e8806	147	RETVAL
18ef5a29	148
	149	void
	150	surface_set_pixels(surface, pixels)
	151	SDL_Surface *surface
	152
	153	SV *pixels
	154
	155	PREINIT:
	156	STRLEN len;
	157	void *p;
	158
	159	CODE:
	160	p = SvPV(pixels, len);
	161	if (len > surface->pitch*surface->h)
	162	len = surface->pitch*surface->h;
	163	memcpy(surface->pixels, p, len);
	164
88a46efc	165	void
	166	surface_DESTROY(surface)
	167	SDL_Surface *surface
	168	CODE:
	169	Uint8* pixels = surface->pixels;
	170	Uint32 flags = surface->flags;
	171	SDL_FreeSurface(surface);
	172	if (flags & SDL_PREALLOC)
	173	Safefree(pixels);