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+.TH "SDL_Surface" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference" 
+.SH "NAME"
+SDL_Surface \- Graphical Surface Structure
+.SH "STRUCTURE DEFINITION"
+.PP
+.nf
+\f(CWtypedef 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 */
+
+        /* clipping information */
+        SDL_Rect clip_rect;                     /* Read-only */
+
+        /* Reference count -- used when freeing surface */
+        int refcount;                           /* Read-mostly */
+
+	/* This structure also contains private fields not shown here */
+} SDL_Surface;\fR
+.fi
+.PP
+.SH "STRUCTURE DATA"
+.TP 20
+\fBflags\fR
+Surface flags
+.TP 20
+\fBformat\fR
+Pixel \fIformat\fR
+.TP 20
+\fBw, h\fR
+Width and height of the surface
+.TP 20
+\fBpitch\fR
+Length of a surface scanline in bytes
+.TP 20
+\fBpixels\fR
+Pointer to the actual pixel data
+.TP 20
+\fBclip_rect\fR
+surface clip \fIrectangle\fR
+.SH "DESCRIPTION"
+.PP
+\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\&.
+.PP
+The following are supported in the \fBflags\fR field\&.
+.TP 20
+\fBSDL_SWSURFACE\fP
+Surface is stored in system memory
+.TP 20
+\fBSDL_HWSURFACE\fP
+Surface is stored in video memory
+.TP 20
+\fBSDL_ASYNCBLIT\fP
+Surface uses asynchronous blits if possible
+.TP 20
+\fBSDL_ANYFORMAT\fP
+Allows any pixel-format (Display surface)
+.TP 20
+\fBSDL_HWPALETTE\fP
+Surface has exclusive palette
+.TP 20
+\fBSDL_DOUBLEBUF\fP
+Surface is double buffered (Display surface)
+.TP 20
+\fBSDL_FULLSCREEN\fP
+Surface is full screen (Display Surface)
+.TP 20
+\fBSDL_OPENGL\fP
+Surface has an OpenGL context (Display Surface)
+.TP 20
+\fBSDL_OPENGLBLIT\fP
+Surface supports OpenGL blitting (Display Surface)
+.TP 20
+\fBSDL_RESIZABLE\fP
+Surface is resizable (Display Surface)
+.TP 20
+\fBSDL_HWACCEL\fP
+Surface blit uses hardware acceleration
+.TP 20
+\fBSDL_SRCCOLORKEY\fP
+Surface use colorkey blitting
+.TP 20
+\fBSDL_RLEACCEL\fP
+Colorkey blitting is accelerated with RLE
+.TP 20
+\fBSDL_SRCALPHA\fP
+Surface blit uses alpha blending
+.TP 20
+\fBSDL_PREALLOC\fP
+Surface uses preallocated memory
+.SH "SEE ALSO"
+.PP
+\fI\fBSDL_PixelFormat\fR\fR
+.\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01