Mercurial > sdl-ios-xcode
annotate docs/html/sdlsetmodstate.html @ 1257:448a9a64537b
[PATCH] SDL_GetVideoMode() does not find best mode, part 2
Following commit 1.51, I come accross a problem when SDL must choose between
several video modes that could suit the one asked.
If I ask 320x240 with this list:
768x480 768x240 640x400 640x200 384x480 384x240 320x400 320x200
The smallest selectables modes are 384x240 and 320x400. And SDL choose the later
in this list, but 384x240 is more suitable. So I added a check to compare
the pixel count (surface) of modes, and select the one which has the smallest
pixel count.
In my example, 384x240 has 92160 pixels, and 320x400 has 128000 pixels. So now
SDL will choose 384x240 for the asked 320x240 mode.
author | Patrice Mandin <patmandin@gmail.com> |
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date | Thu, 19 Jan 2006 21:28:52 +0000 |
parents | 355632dca928 |
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rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_SetModState</TITLE | |
5 ><META | |
6 NAME="GENERATOR" | |
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
0 | 8 "><LINK |
9 REL="HOME" | |
10 TITLE="SDL Library Documentation" | |
11 HREF="index.html"><LINK | |
12 REL="UP" | |
13 TITLE="Event Functions." | |
14 HREF="eventfunctions.html"><LINK | |
15 REL="PREVIOUS" | |
16 TITLE="SDL_GetModState" | |
17 HREF="sdlgetmodstate.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_GetKeyName" | |
20 HREF="sdlgetkeyname.html"></HEAD | |
21 ><BODY | |
22 CLASS="REFENTRY" | |
23 BGCOLOR="#FFF8DC" | |
24 TEXT="#000000" | |
25 LINK="#0000ee" | |
26 VLINK="#551a8b" | |
27 ALINK="#ff0000" | |
28 ><DIV | |
29 CLASS="NAVHEADER" | |
30 ><TABLE | |
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31 SUMMARY="Header navigation table" |
0 | 32 WIDTH="100%" |
33 BORDER="0" | |
34 CELLPADDING="0" | |
35 CELLSPACING="0" | |
36 ><TR | |
37 ><TH | |
38 COLSPAN="3" | |
39 ALIGN="center" | |
40 >SDL Library Documentation</TH | |
41 ></TR | |
42 ><TR | |
43 ><TD | |
44 WIDTH="10%" | |
45 ALIGN="left" | |
46 VALIGN="bottom" | |
47 ><A | |
48 HREF="sdlgetmodstate.html" | |
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49 ACCESSKEY="P" |
0 | 50 >Prev</A |
51 ></TD | |
52 ><TD | |
53 WIDTH="80%" | |
54 ALIGN="center" | |
55 VALIGN="bottom" | |
56 ></TD | |
57 ><TD | |
58 WIDTH="10%" | |
59 ALIGN="right" | |
60 VALIGN="bottom" | |
61 ><A | |
62 HREF="sdlgetkeyname.html" | |
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63 ACCESSKEY="N" |
0 | 64 >Next</A |
65 ></TD | |
66 ></TR | |
67 ></TABLE | |
68 ><HR | |
69 ALIGN="LEFT" | |
70 WIDTH="100%"></DIV | |
71 ><H1 | |
72 ><A | |
73 NAME="SDLSETMODSTATE" | |
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74 ></A |
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75 >SDL_SetModState</H1 |
0 | 76 ><DIV |
77 CLASS="REFNAMEDIV" | |
78 ><A | |
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79 NAME="AEN5752" |
0 | 80 ></A |
81 ><H2 | |
82 >Name</H2 | |
83 >SDL_SetModState -- Set the current key modifier state</DIV | |
84 ><DIV | |
85 CLASS="REFSYNOPSISDIV" | |
86 ><A | |
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87 NAME="AEN5755" |
0 | 88 ></A |
89 ><H2 | |
90 >Synopsis</H2 | |
91 ><DIV | |
92 CLASS="FUNCSYNOPSIS" | |
93 ><A | |
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94 NAME="AEN5756" |
0 | 95 ></A |
96 ><P | |
97 ></P | |
98 ><PRE | |
99 CLASS="FUNCSYNOPSISINFO" | |
100 >#include "SDL.h"</PRE | |
101 ><P | |
102 ><CODE | |
103 ><CODE | |
104 CLASS="FUNCDEF" | |
105 >void <B | |
106 CLASS="FSFUNC" | |
107 >SDL_SetModState</B | |
108 ></CODE | |
109 >(SDLMod modstate);</CODE | |
110 ></P | |
111 ><P | |
112 ></P | |
113 ></DIV | |
114 ></DIV | |
115 ><DIV | |
116 CLASS="REFSECT1" | |
117 ><A | |
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118 NAME="AEN5762" |
0 | 119 ></A |
120 ><H2 | |
121 >Description</H2 | |
122 ><P | |
123 >The inverse of <A | |
124 HREF="sdlgetmodstate.html" | |
125 ><TT | |
126 CLASS="FUNCTION" | |
127 >SDL_GetModState</TT | |
128 ></A | |
129 >, <TT | |
130 CLASS="FUNCTION" | |
131 >SDL_SetModState</TT | |
132 > allows you to impose modifier key states on your application.</P | |
133 ><P | |
134 >Simply pass your desired modifier states into <TT | |
135 CLASS="PARAMETER" | |
136 ><I | |
137 >modstate</I | |
138 ></TT | |
139 >. This value my be a logical OR'd combination of the following:</P | |
140 ><PRE | |
141 CLASS="PROGRAMLISTING" | |
142 >typedef enum { | |
143 KMOD_NONE = 0x0000, | |
144 KMOD_LSHIFT= 0x0001, | |
145 KMOD_RSHIFT= 0x0002, | |
146 KMOD_LCTRL = 0x0040, | |
147 KMOD_RCTRL = 0x0080, | |
148 KMOD_LALT = 0x0100, | |
149 KMOD_RALT = 0x0200, | |
150 KMOD_LMETA = 0x0400, | |
151 KMOD_RMETA = 0x0800, | |
152 KMOD_NUM = 0x1000, | |
153 KMOD_CAPS = 0x2000, | |
154 KMOD_MODE = 0x4000, | |
155 } SDLMod;</PRE | |
156 ></DIV | |
157 ><DIV | |
158 CLASS="REFSECT1" | |
159 ><A | |
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160 NAME="AEN5771" |
0 | 161 ></A |
162 ><H2 | |
163 >See Also</H2 | |
164 ><P | |
165 ><A | |
166 HREF="sdlgetmodstate.html" | |
167 ><TT | |
168 CLASS="FUNCTION" | |
169 >SDL_GetModState</TT | |
170 ></A | |
171 ></P | |
172 ></DIV | |
173 ><DIV | |
174 CLASS="NAVFOOTER" | |
175 ><HR | |
176 ALIGN="LEFT" | |
177 WIDTH="100%"><TABLE | |
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178 SUMMARY="Footer navigation table" |
0 | 179 WIDTH="100%" |
180 BORDER="0" | |
181 CELLPADDING="0" | |
182 CELLSPACING="0" | |
183 ><TR | |
184 ><TD | |
185 WIDTH="33%" | |
186 ALIGN="left" | |
187 VALIGN="top" | |
188 ><A | |
189 HREF="sdlgetmodstate.html" | |
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190 ACCESSKEY="P" |
0 | 191 >Prev</A |
192 ></TD | |
193 ><TD | |
194 WIDTH="34%" | |
195 ALIGN="center" | |
196 VALIGN="top" | |
197 ><A | |
198 HREF="index.html" | |
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199 ACCESSKEY="H" |
0 | 200 >Home</A |
201 ></TD | |
202 ><TD | |
203 WIDTH="33%" | |
204 ALIGN="right" | |
205 VALIGN="top" | |
206 ><A | |
207 HREF="sdlgetkeyname.html" | |
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208 ACCESSKEY="N" |
0 | 209 >Next</A |
210 ></TD | |
211 ></TR | |
212 ><TR | |
213 ><TD | |
214 WIDTH="33%" | |
215 ALIGN="left" | |
216 VALIGN="top" | |
217 >SDL_GetModState</TD | |
218 ><TD | |
219 WIDTH="34%" | |
220 ALIGN="center" | |
221 VALIGN="top" | |
222 ><A | |
223 HREF="eventfunctions.html" | |
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224 ACCESSKEY="U" |
0 | 225 >Up</A |
226 ></TD | |
227 ><TD | |
228 WIDTH="33%" | |
229 ALIGN="right" | |
230 VALIGN="top" | |
231 >SDL_GetKeyName</TD | |
232 ></TR | |
233 ></TABLE | |
234 ></DIV | |
235 ></BODY | |
236 ></HTML | |
237 > |