annotate docs/man3/SDL_LockYUVOverlay.3 @ 1303:52b5afd7ecee

Date: Tue, 05 Jul 2005 21:43:26 +1000 From: Sean Childs Subject: [SDL] Compiling SDL 1.2.8 with the free Borland compiler When compiling SDL 1.2.8 with the free Borland compiler, I received this error (there is a similar error that occurs in src\video\windx5\sdl_dx5events.c): Error E2342 ..\..\src\video\windib\sdl_dibevents.c 189: Type mismatch in parameter 'lpPrevWndFunc' (wanted 'int (__stdcall *)()', got 'long (__stdcall *)(void *,unsigned int,unsigned int,long)') in function DIB_HandleMessage I checked the MSDN library at: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/ windowsuserinterface/windowing/windowprocedures/windowprocedurereference/wind owprocedurefunctions/callwindowproc.asp and it had this to say: If STRICT is not defined, the lpPrevWndFunc parameter has the data type FARPROC. The FARPROC type is declared as follows: int (FAR WINAPI * FARPROC) () In C, the FARPROC declaration indicates a callback function that has an unspecified parameter list. In C++, however, the empty parameter list in the declaration indicates that a function has no parameters. This subtle distinction can break careless code. Following is one way to handle this situation: #ifdef STRICT WNDPROC MyWindowProcedure #else FARPROC MyWindowProcedure #endif ... lResult = CallWindowProc(MyWindowProcedure, ...)
author Sam Lantinga <slouken@libsdl.org>
date Tue, 31 Jan 2006 15:30:42 +0000
parents e5bc29de3f0a
children 546f7c1eb755
rev   line source
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1 .TH "SDL_LockYUVOverlay" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_LockYUVOverlay\- Lock an overlay
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4 .SH "SYNOPSIS"
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5 .PP
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6 \fB#include "SDL\&.h"
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7 .sp
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8 \fBint \fBSDL_LockYUVOverlay\fP\fR(\fBSDL_Overlay *overlay\fR);
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9 .SH "DESCRIPTION"
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10 .PP
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11 Much the same as \fI\fBSDL_LockSurface\fP\fR, \fBSDL_LockYUVOverlay\fP locks the \fI\fBoverlay\fR\fR for direct access to pixel data\&.
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12 .SH "RETURN VALUE"
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13 .PP
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14 Returns \fB0\fR on success, or \fB-1\fR on an error\&.
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15 .SH "SEE ALSO"
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16 .PP
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17 \fI\fBSDL_UnlockYUVOverlay\fP\fR, \fI\fBSDL_CreateYUVOverlay\fP\fR, \fI\fBSDL_Overlay\fR\fR
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18 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01