view docs/man3/SDL_CreateRGBSurfaceFrom.3 @ 2659:8da698bc1205 gsoc2008_audio_resampling

Fixed lots of bugs in FIR filtering. Fixed point code is closer to working, but there seems to be overflow in the FIR filter resulting in distortion.
author Aaron Wishnick <schnarf@gmail.com>
date Sun, 22 Jun 2008 00:36:35 +0000
parents 546f7c1eb755
children 1238da4a7112
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.TH "SDL_CreateRGBSurfaceFrom" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference" 
.SH "NAME"
SDL_CreateRGBSurfaceFrom \- Create an SDL_Surface from pixel data
.SH "SYNOPSIS"
.PP
\fB#include "SDL\&.h"
.sp
\fBSDL_Surface *\fBSDL_CreateRGBSurfaceFrom\fP\fR(\fBvoid *pixels, int width, int height, int depth, int pitch, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask\fR);
.SH "DESCRIPTION"
.PP
Creates an SDL_Surface from the provided pixel data\&.
.PP
The data stored in \fBpixels\fR is assumed to be of the \fBdepth\fR specified in the parameter list\&. The pixel data is not copied into the \fBSDL_Surface\fR structure so it should not be freed until the surface has been freed with a called to \fISDL_FreeSurface\fR\&. \fBpitch\fR is the length of each scanline in bytes\&. 
.PP
See \fI\fBSDL_CreateRGBSurface\fP\fR for a more detailed description of the other parameters\&.
.SH "RETURN VALUE"
.PP
Returns the created surface, or \fBNULL\fR upon error\&.
.SH "SEE ALSO"
.PP
\fI\fBSDL_CreateRGBSurface\fP\fR, \fI\fBSDL_FreeSurface\fP\fR
...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01