src/Core/Video.xs

   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
  12 static Uint16* av_to_uint16 (AV* av)
  13 {
  14         int len = av_len(av);
  15         if( len != -1)
  16         {
  17         int i;
  18         Uint16* table = (Uint16 *)safemalloc(sizeof(Uint16)*(len));
  19         for ( i = 0; i < len+1 ; i++ ){
  20                 SV ** temp = av_fetch(av,i,0);
  21               if( temp != NULL)
  22                 {
  23                         table[i] =  (Uint16 *) SvIV(  *temp   );
  24                 }
  25                 else { table[i] =0; }
  26
  27         }
  28         return table;
  29         }
  30         return NULL;
  31 }
  32
  33
  34
  35 MODULE = SDL::Video     PACKAGE = SDL::Video    PREFIX = video_
  36
  37 =for documentation
  38
  39 The Following are XS bindings to the Video category in the SDL API v2.1.13
  40
  41 Describe on the SDL API site.
  42
  43 See: L<http://www.libsdl.org/cgi/docwiki.cgi/SDL_API#head-813f033ec44914f267f32195aba7d9aff8c410c0>
  44
  45 =cut
  46
  47 SDL_Surface *
  48 video_get_video_surface()
  49         PREINIT:
  50                 char* CLASS = "SDL::Surface";
  51         CODE:
  52                 RETVAL = SDL_GetVideoSurface();
  53         OUTPUT:
  54                 RETVAL
  55
  56
  57 SDL_VideoInfo*
  58 video_get_video_info()
  59         PREINIT:
  60                 char* CLASS = "SDL::VideoInfo";
  61         CODE:
  62                 RETVAL = (SDL_VideoInfo *) SDL_GetVideoInfo();
  63
  64         OUTPUT:
  65                 RETVAL
  66
  67 SV *
  68 video_video_driver_name( )
  69
  70         CODE:
  71                 char buffer[1024];
  72                 if ( SDL_VideoDriverName(buffer, 1024) != NULL )
  73                 {
  74                         RETVAL =  newSVpv(buffer, 0);
  75                 }
  76                 else
  77                          XSRETURN_UNDEF;
  78         OUTPUT:
  79                 RETVAL
  80
  81 AV*
  82 list_modes ( format, flags )
  83         Uint32 flags
  84         SDL_PixelFormat *format
  85
  86         CODE:
  87                 SDL_Rect **mode;
  88                 RETVAL = newAV();
  89                 mode = SDL_ListModes(format,flags);
  90                 if (mode == (SDL_Rect**)-1 ) {
  91                         av_push(RETVAL,newSVpv("all",0));
  92                 } else if (! mode ) {
  93                         av_push(RETVAL,newSVpv("none",0));
  94                 } else {
  95                         for (;*mode;mode++) {
  96                                 av_push(RETVAL,newSViv(PTR2IV(*mode)));
  97                         }
  98                 }
  99         OUTPUT:
 100                 RETVAL
 101
 102
 103 int
 104 video_video_mode_ok ( width, height, bpp, flags )
 105         int width
 106         int height
 107         int bpp
 108         Uint32 flags
 109         CODE:
 110                 RETVAL = SDL_VideoModeOK(width,height,bpp,flags);
 111         OUTPUT:
 112                 RETVAL
 113
 114
 115 SDL_Surface *
 116 video_set_video_mode ( width, height, bpp, flags )
 117         int width
 118         int height
 119         int bpp
 120         Uint32 flags
 121         PREINIT:
 122                 char* CLASS = "SDL::Surface";
 123         CODE:
 124                 RETVAL = SDL_SetVideoMode(width,height,bpp,flags);
 125         OUTPUT:
 126                 RETVAL
 127
 128
 129 void
 130 video_update_rect ( surface, x, y, w ,h )
 131         SDL_Surface *surface
 132         int x
 133         int y
 134         int w
 135         int h
 136         CODE:
 137                 SDL_UpdateRect(surface,x,y,w,h);
 138
 139 void
 140 video_update_rects ( surface, ... )
 141         SDL_Surface *surface
 142         CODE:
 143                 SDL_Rect *rects;
 144                 int num_rects,i;
 145                 if ( items < 2 ) return;
 146                 num_rects = items - 1;
 147                 rects = (SDL_Rect *)safemalloc(sizeof(SDL_Rect)*items);
 148                 for(i=0;i<num_rects;i++) {
 149                         rects[i] = *(SDL_Rect *)SvIV((SV*)SvRV( ST(i + 1) ));
 150                 }
 151                 SDL_UpdateRects(surface,num_rects,rects);
 152                 safefree(rects);
 153
 154
 155 int
 156 video_flip ( surface )
 157         SDL_Surface *surface
 158         CODE:
 159                 RETVAL = SDL_Flip(surface);
 160         OUTPUT:
 161                 RETVAL
 162
 163 int
 164 video_set_colors ( surface, start, ... )
 165         SDL_Surface *surface
 166         int start
 167         CODE:
 168                 SDL_Color *colors,*temp;
 169                 int i, length;
 170                 if ( items < 3 ) { RETVAL = 0;}
 171                 else
 172                 {
 173                 length = items - 2;
 174                 colors = (SDL_Color *)safemalloc(sizeof(SDL_Color)*(length+1));
 175                 for ( i = 0; i < length ; i++ ) {
 176                         temp = (SDL_Color *)SvIV(ST(i+2));
 177                         colors[i].r = temp->r;
 178                         colors[i].g = temp->g;
 179                         colors[i].b = temp->b;
 180                 }
 181                 RETVAL = SDL_SetColors(surface, colors, start, length );
 182                 safefree(colors);
 183                 }
 184
 185         OUTPUT:
 186                 RETVAL
 187
 188 int
 189 video_set_palette ( surface, flags, start, ... )
 190         SDL_Surface *surface
 191         int flags
 192         int start
 193
 194         CODE:
 195                 SDL_Color *colors,*temp;
 196                 int i, length;
 197                 if ( items < 4 ) {
 198                 RETVAL = 0;
 199                         }
 200                 else
 201                 {
 202                 length = items - 3;
 203                 colors = (SDL_Color *)safemalloc(sizeof(SDL_Color)*(length+1));
 204                 for ( i = 0; i < length ; i++ ){
 205                         temp = (SDL_Color *)SvIV(ST(i+3));
 206                         colors[i].r = temp->r;
 207                         colors[i].g = temp->g;
 208                         colors[i].b = temp->b;
 209                 }
 210                 RETVAL = SDL_SetPalette(surface, flags, colors, start, length );
 211                 safefree(colors);
 212                 }
 213         OUTPUT:
 214                 RETVAL
 215
 216 int
 217 video_set_gamma(r, g, b)
 218         float r;
 219         float g;
 220         float b;
 221         CODE:
 222                 RETVAL = SDL_SetGamma(r,g,b);
 223         OUTPUT:
 224                 RETVAL
 225
 226
 227 int
 228 video_set_gamma_ramp( rt, gt, bt )
 229         AV* rt;
 230         AV* gt;
 231         AV* bt;
 232         CODE:
 233                 Uint16 *redtable, *greentable, *bluetable;
 234                 redtable = av_to_uint16(rt);
 235                 greentable = av_to_uint16(gt);
 236                 bluetable = av_to_uint16(bt);
 237                 RETVAL =  SDL_SetGammaRamp(redtable, greentable, bluetable);
 238                 if( redtable != NULL) { safefree(redtable); }
 239                 if( greentable != NULL) { safefree(greentable); }
 240                 if( bluetable != NULL) { safefree(bluetable); }
 241         OUTPUT:
 242                 RETVAL
 243
 244
 245
 246 Uint32
 247 video_map_RGB ( pixel_format, r, g, b )
 248         SDL_PixelFormat *pixel_format
 249         Uint8 r
 250         Uint8 g
 251         Uint8 b
 252         CODE:
 253                 RETVAL = SDL_MapRGB(pixel_format,r,g,b);
 254         OUTPUT:
 255                 RETVAL
 256
 257 Uint32
 258 video_map_RGBA ( pixel_format, r, g, b, a )
 259         SDL_PixelFormat *pixel_format
 260         Uint8 r
 261         Uint8 g
 262         Uint8 b
 263         Uint8 a
 264         CODE:
 265                 RETVAL = SDL_MapRGB(pixel_format,r,g,b);
 266         OUTPUT:
 267                 RETVAL
 268