annotate docs/man3/SDL_UpdateRect.3 @ 3034:0e821769fc51

Fixed NULL pointer dereference
author Sam Lantinga <slouken@libsdl.org>
date Tue, 13 Jan 2009 03:53:22 +0000
parents 546f7c1eb755
children 1238da4a7112
rev   line source
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1 .TH "SDL_UpdateRect" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_UpdateRect \- Makes sure the given area is updated on the given screen\&.
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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 \fBvoid \fBSDL_UpdateRect\fP\fR(\fBSDL_Surface *screen, Sint32 x, Sint32 y, Sint32 w, Sint32 h\fR);
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9 .SH "DESCRIPTION"
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10 .PP
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11 Makes sure the given area is updated on the given screen\&. The rectangle must be confined within the screen boundaries (no clipping is done)\&.
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12 .PP
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13 If \&'\fBx\fR\&', \&'\fBy\fR\&', \&'\fBw\fR\&' and \&'\fBh\fR\&' are all 0, \fBSDL_UpdateRect\fP will update the entire screen\&.
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14 .PP
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15 This function should not be called while \&'\fBscreen\fR\&' is \fIlocked\fR\&.
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16 .SH "SEE ALSO"
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17 .PP
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18 \fI\fBSDL_UpdateRects\fP\fR, \fI\fBSDL_Rect\fR\fR, \fI\fBSDL_Surface\fR\fR, \fI\fBSDL_LockSurface\fP\fR
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19 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01