Mercurial > sdl-ios-xcode
annotate docs/man3/SDL_Overlay.3 @ 1282:217f5d5a49e5
Date: Sat, 15 Jan 2005 02:01:51 +0000 (UTC)
From: jimrandomh
Subject: [SDL] Re: Modifier keys pressed during initialization stick
I wrote a simple test program which initializes SDL, prints the SDL
version number, then prints any keydown and keyup events with their
modifiers. (Source code below). Compilation was done using Visual
Studio 6, release mode.
My test sequence was:
Start a command prompt. Type the name of the test program.
shift down
enter down (program starts)
Wait for window to appear
enter up
shift up
spacebar down
spacebar up
Under Windows 98, the output was correct:
SDL 1.2.8
left shift down
shift-return down
shift-return up
left shift up
space down
space up
Under Windows 2000 and under Windows XP, the output was:
SDL 1.2.8
shift-space down
shift-space up
Since shift was not held at the time space was pressed, this is
incorrect. Similar results were observed with launching in different
ways (including double-clicking in Windows Explorer), so it does not
depend on the launching terminal.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 29 Jan 2006 07:57:13 +0000 |
parents | e5bc29de3f0a |
children | 546f7c1eb755 |
rev | line source |
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181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
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1 .TH "SDL_Overlay" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference" |
0 | 2 .SH "NAME" |
3 SDL_Overlay\- YUV video overlay | |
4 .SH "STRUCTURE DEFINITION" | |
5 .PP | |
6 .nf | |
7 \f(CWtypedef struct{ | |
8 Uint32 format; | |
9 int w, h; | |
10 int planes; | |
11 Uint16 *pitches; | |
12 Uint8 **pixels; | |
13 Uint32 hw_overlay:1; | |
14 } SDL_Overlay;\fR | |
15 .fi | |
16 .PP | |
17 .SH "STRUCTURE DATA" | |
18 .TP 20 | |
19 \fBformat\fR | |
20 Overlay format (see below) | |
21 .TP 20 | |
22 \fBw, h\fR | |
23 Width and height of overlay | |
24 .TP 20 | |
25 \fBplanes\fR | |
26 Number of planes in the overlay\&. Usually either 1 or 3 | |
27 .TP 20 | |
28 \fBpitches\fR | |
29 An array of pitches, one for each plane\&. Pitch is the length of a row in bytes\&. | |
30 .TP 20 | |
31 \fBpixels\fR | |
32 An array of pointers to teh data of each plane\&. The overlay should be locked before these pointers are used\&. | |
33 .TP 20 | |
34 \fBhw_overlay\fR | |
35 This will be set to 1 if the overlay is hardware accelerated\&. | |
36 .SH "DESCRIPTION" | |
37 .PP | |
38 A \fBSDL_Overlay\fR is similar to a \fI\fBSDL_Surface\fR\fR except it stores a YUV overlay\&. All the fields are read only, except for \fBpixels\fR which should be \fIlocked\fR before use\&. The \fBformat\fR field stores the format of the overlay which is one of the following: | |
39 .PP | |
40 .nf | |
41 \f(CW#define SDL_YV12_OVERLAY 0x32315659 /* Planar mode: Y + V + U */ | |
42 #define SDL_IYUV_OVERLAY 0x56555949 /* Planar mode: Y + U + V */ | |
43 #define SDL_YUY2_OVERLAY 0x32595559 /* Packed mode: Y0+U0+Y1+V0 */ | |
44 #define SDL_UYVY_OVERLAY 0x59565955 /* Packed mode: U0+Y0+V0+Y1 */ | |
45 #define SDL_YVYU_OVERLAY 0x55595659 /* Packed mode: Y0+V0+Y1+U0 */\fR | |
46 .fi | |
47 .PP | |
48 More information on YUV formats can be found at \fIhttp://www\&.webartz\&.com/fourcc/indexyuv\&.htm (link to URL http://www.webartz.com/fourcc/indexyuv.htm) \fR\&. | |
49 .SH "SEE ALSO" | |
50 .PP | |
51 \fI\fBSDL_CreateYUVOverlay\fP\fR, \fI\fBSDL_LockYUVOverlay\fP\fR, \fI\fBSDL_UnlockYUVOverlay\fP\fR, \fI\fBSDL_FreeYUVOverlay\fP\fR | |
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
52 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01 |