Mercurial > sdl-ios-xcode
annotate docs/man3/SDL_Surface.3 @ 4241:d3a210342761 SDL-1.2
Fixed crash with right side up BMP files
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 26 Sep 2009 06:01:27 +0000 |
parents | 4e3b250c950e |
children | 1238da4a7112 |
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1 .TH "SDL_Surface" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference" |
0 | 2 .SH "NAME" |
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Erik Heckers fixed bug #493
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3 SDL_Surface \- Graphical Surface Structure |
0 | 4 .SH "STRUCTURE DEFINITION" |
5 .PP | |
6 .nf | |
7 \f(CWtypedef struct SDL_Surface { | |
8 Uint32 flags; /* Read-only */ | |
9 SDL_PixelFormat *format; /* Read-only */ | |
10 int w, h; /* Read-only */ | |
11 Uint16 pitch; /* Read-only */ | |
12 void *pixels; /* Read-write */ | |
13 | |
14 /* clipping information */ | |
15 SDL_Rect clip_rect; /* Read-only */ | |
16 | |
17 /* Reference count -- used when freeing surface */ | |
18 int refcount; /* Read-mostly */ | |
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Added new docs for SDL 1.2.1
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Added new docs for SDL 1.2.1
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20 /* This structure also contains private fields not shown here */ |
0 | 21 } SDL_Surface;\fR |
22 .fi | |
23 .PP | |
24 .SH "STRUCTURE DATA" | |
25 .TP 20 | |
26 \fBflags\fR | |
27 Surface flags | |
28 .TP 20 | |
29 \fBformat\fR | |
30 Pixel \fIformat\fR | |
31 .TP 20 | |
32 \fBw, h\fR | |
33 Width and height of the surface | |
34 .TP 20 | |
35 \fBpitch\fR | |
36 Length of a surface scanline in bytes | |
37 .TP 20 | |
38 \fBpixels\fR | |
39 Pointer to the actual pixel data | |
40 .TP 20 | |
41 \fBclip_rect\fR | |
42 surface clip \fIrectangle\fR | |
43 .SH "DESCRIPTION" | |
44 .PP | |
45 \fBSDL_Surface\fR\&'s represent areas of "graphical" memory, memory that can be drawn to\&. The video framebuffer is returned as a \fBSDL_Surface\fR by \fI\fBSDL_SetVideoMode\fP\fR and \fI\fBSDL_GetVideoSurface\fP\fR\&. Most of the fields should be pretty obvious\&. \fBw\fR and \fBh\fR are the width and height of the surface in pixels\&. \fBpixels\fR is a pointer to the actual pixel data, the surface should be \fIlocked\fR before accessing this field\&. The \fBclip_rect\fR field is the clipping rectangle as set by \fI\fBSDL_SetClipRect\fP\fR\&. | |
46 .PP | |
47 The following are supported in the \fBflags\fR field\&. | |
48 .TP 20 | |
49 \fBSDL_SWSURFACE\fP | |
50 Surface is stored in system memory | |
51 .TP 20 | |
52 \fBSDL_HWSURFACE\fP | |
53 Surface is stored in video memory | |
54 .TP 20 | |
55 \fBSDL_ASYNCBLIT\fP | |
56 Surface uses asynchronous blits if possible | |
57 .TP 20 | |
58 \fBSDL_ANYFORMAT\fP | |
59 Allows any pixel-format (Display surface) | |
60 .TP 20 | |
61 \fBSDL_HWPALETTE\fP | |
62 Surface has exclusive palette | |
63 .TP 20 | |
64 \fBSDL_DOUBLEBUF\fP | |
65 Surface is double buffered (Display surface) | |
66 .TP 20 | |
67 \fBSDL_FULLSCREEN\fP | |
68 Surface is full screen (Display Surface) | |
69 .TP 20 | |
70 \fBSDL_OPENGL\fP | |
71 Surface has an OpenGL context (Display Surface) | |
72 .TP 20 | |
73 \fBSDL_OPENGLBLIT\fP | |
74 Surface supports OpenGL blitting (Display Surface) | |
75 .TP 20 | |
76 \fBSDL_RESIZABLE\fP | |
77 Surface is resizable (Display Surface) | |
78 .TP 20 | |
79 \fBSDL_HWACCEL\fP | |
80 Surface blit uses hardware acceleration | |
81 .TP 20 | |
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82 \fBSDL_SRCCOLORKEY\fP |
0 | 83 Surface use colorkey blitting |
84 .TP 20 | |
85 \fBSDL_RLEACCEL\fP | |
86 Colorkey blitting is accelerated with RLE | |
87 .TP 20 | |
88 \fBSDL_SRCALPHA\fP | |
89 Surface blit uses alpha blending | |
90 .TP 20 | |
91 \fBSDL_PREALLOC\fP | |
92 Surface uses preallocated memory | |
93 .SH "SEE ALSO" | |
94 .PP | |
95 \fI\fBSDL_PixelFormat\fR\fR | |
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96 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01 |