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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 | |
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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 | |
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57 | void |
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58 | surface_update_rects ( surface, ... ) |
59 | SDL_Surface *surface |
60 | CODE: |
61 | SDL_Rect *rects, *temp; |
62 | int num_rects,i; |
63 | if ( items < 2 ) return; |
64 | num_rects = items - 1; |
65 | |
66 | rects = (SDL_Rect *)safemalloc(sizeof(SDL_Rect)*items); |
67 | for(i=0;i<num_rects;i++) { |
68 | temp = (SDL_Rect *)SvIV(ST(i+1)); |
69 | rects[i].x = temp->x; |
70 | rects[i].y = temp->y; |
71 | rects[i].w = temp->w; |
72 | rects[i].h = temp->h; |
73 | } |
74 | SDL_UpdateRects(surface,num_rects,rects); |
75 | safefree(rects); |
76 | |
77 | SDL_Surface * |
78 | surface_display ( surface ) |
79 | SDL_Surface *surface |
80 | CODE: |
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81 | char* CLASS = "SDL::Surface"; |
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82 | |
83 | SDL_Surface *new_surface = SDL_DisplayFormat(surface); |
84 | SDL_FreeSurface(surface); |
85 | RETVAL = new_surface; |
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86 | OUTPUT: |
87 | RETVAL |
88 | |
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89 | SDL_Surface * |
90 | surface_display_alpha ( surface ) |
91 | SDL_Surface *surface |
92 | CODE: |
93 | char* CLASS = "SDL::Surface"; |
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94 | SDL_Surface *new_surface = SDL_DisplayFormatAlpha(surface); |
95 | SDL_FreeSurface(surface); |
96 | RETVAL = new_surface; |
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97 | OUTPUT: |
98 | RETVAL |
99 | |
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100 | Uint16 |
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101 | surface_pitch( surface ) |
102 | SDL_Surface *surface |
103 | CODE: |
104 | RETVAL = surface->pitch; |
105 | OUTPUT: |
106 | RETVAL |
107 | |
108 | Uint16 |
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109 | surface_w ( surface ) |
110 | SDL_Surface *surface |
111 | CODE: |
112 | RETVAL = surface->w; |
113 | OUTPUT: |
114 | RETVAL |
115 | |
116 | Uint16 |
117 | surface_h ( surface ) |
118 | SDL_Surface *surface |
119 | CODE: |
120 | RETVAL = surface->h; |
121 | OUTPUT: |
122 | RETVAL |
123 | |
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124 | IV |
125 | surface_get_pixels(surface) |
126 | SDL_Surface *surface |
127 | CODE: |
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128 | if(!surface->pixels) croak("Incomplete surface"); |
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129 | RETVAL = PTR2IV(surface->pixels); |
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130 | OUTPUT: |
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131 | RETVAL |
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132 | |
133 | void |
134 | surface_set_pixels(surface, pixels) |
135 | SDL_Surface *surface |
136 | |
137 | SV *pixels |
138 | |
139 | PREINIT: |
140 | STRLEN len; |
141 | void *p; |
142 | |
143 | CODE: |
144 | p = SvPV(pixels, len); |
145 | if (len > surface->pitch*surface->h) |
146 | len = surface->pitch*surface->h; |
147 | memcpy(surface->pixels, p, len); |
148 | |
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149 | void |
150 | surface_DESTROY(surface) |
151 | SDL_Surface *surface |
152 | CODE: |
153 | Uint8* pixels = surface->pixels; |
154 | Uint32 flags = surface->flags; |
155 | SDL_FreeSurface(surface); |
156 | if (flags & SDL_PREALLOC) |
157 | Safefree(pixels); |