view docs/man3/SDL_DisplayFormat.3 @ 3095:75483112b97f

Date: Sat, 21 Mar 2009 19:41:52 -0700 (PDT) From: Mason Wheeler Subject: [SDL] Critical SDL 1.3 patch Displaying a window created with SDL_CreateWindowFrom was causing stack overf lows for me under certain conditions. After far too much work trying to get Visual Studio's debugger to play nice with a program written in Delphi, I tra cked it down to a nasty reentrancy cycle in the WndProc handling. Here's a p atch that fixes the problem
author Sam Lantinga <slouken@libsdl.org>
date Mon, 23 Mar 2009 02:02:30 +0000
parents 546f7c1eb755
children 1238da4a7112
line wrap: on
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.TH "SDL_DisplayFormat" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference" 
.SH "NAME"
SDL_DisplayFormat \- Convert a surface to the display format
.SH "SYNOPSIS"
.PP
\fB#include "SDL\&.h"
.sp
\fBSDL_Surface *\fBSDL_DisplayFormat\fP\fR(\fBSDL_Surface *surface\fR);
.SH "DESCRIPTION"
.PP
This function takes a surface and copies it to a new surface of the pixel format and colors of the video framebuffer, suitable for fast blitting onto the display surface\&. It calls \fISDL_ConvertSurface\fR
.PP
If you want to take advantage of hardware colorkey or alpha blit acceleration, you should set the colorkey and alpha value before calling this function\&.
.PP
If you want an alpha channel, see \fISDL_DisplayFormatAlpha\fR\&.
.SH "RETURN VALUE"
.PP
If the conversion fails or runs out of memory, it returns \fBNULL\fR
.SH "SEE ALSO"
.PP
\fI\fBSDL_ConvertSurface\fP\fR, \fI\fBSDL_DisplayFormatAlpha\fP\fR \fI\fBSDL_SetAlpha\fP\fR, \fI\fBSDL_SetColorKey\fP\fR, \fI\fBSDL_Surface\fR\fR
...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01