Mercurial > sdl-ios-xcode
annotate docs/html/sdlgeterror.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 |
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40 >SDL Library Documentation</TH |
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50 >Prev</A |
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51 ></TD |
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56 ></TD |
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72 ><A |
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73 NAME="SDLGETERROR" |
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74 ></A |
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75 >SDL_GetError</H1 |
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83 >SDL_GetError -- Get SDL error string</DIV |
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90 >Synopsis</H2 |
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117 ><A |
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119 ></A |
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120 ><H2 |
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121 >Description</H2 |
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122 ><P |
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123 ><TT |
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124 CLASS="FUNCTION" |
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125 >SDL_GetError</TT |
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126 > returns a NULL terminated string containing information about the last internal SDL error.</P |
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127 ></DIV |
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130 ><A |
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131 NAME="AEN667" |
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132 ></A |
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133 ><H2 |
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134 >Return Value</H2 |
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135 ><P |
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136 ><TT |
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137 CLASS="FUNCTION" |
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138 >SDL_GetError</TT |
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139 > returns a string containing the last error.</P |
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140 ></DIV |
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141 ><DIV |
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142 CLASS="NAVFOOTER" |
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143 ><HR |
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144 ALIGN="LEFT" |
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145 WIDTH="100%"><TABLE |
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146 SUMMARY="Footer navigation table" |
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147 WIDTH="100%" |
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148 BORDER="0" |
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149 CELLPADDING="0" |
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150 CELLSPACING="0" |
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151 ><TR |
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152 ><TD |
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153 WIDTH="33%" |
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154 ALIGN="left" |
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155 VALIGN="top" |
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156 ><A |
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157 HREF="sdlwasinit.html" |
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158 ACCESSKEY="P" |
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159 >Prev</A |
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160 ></TD |
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161 ><TD |
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162 WIDTH="34%" |
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163 ALIGN="center" |
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164 VALIGN="top" |
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165 ><A |
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166 HREF="index.html" |
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167 ACCESSKEY="H" |
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168 >Home</A |
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169 ></TD |
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170 ><TD |
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171 WIDTH="33%" |
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172 ALIGN="right" |
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173 VALIGN="top" |
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174 ><A |
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175 HREF="sdlenvvars.html" |
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176 ACCESSKEY="N" |
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177 >Next</A |
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178 ></TD |
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179 ></TR |
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180 ><TR |
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181 ><TD |
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182 WIDTH="33%" |
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183 ALIGN="left" |
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184 VALIGN="top" |
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185 >SDL_WasInit</TD |
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186 ><TD |
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187 WIDTH="34%" |
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188 ALIGN="center" |
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189 VALIGN="top" |
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190 ><A |
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191 HREF="general.html" |
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192 ACCESSKEY="U" |
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193 >Up</A |
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194 ></TD |
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195 ><TD |
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196 WIDTH="33%" |
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197 ALIGN="right" |
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198 VALIGN="top" |
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199 >SDL_envvars</TD |
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200 ></TR |
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201 ></TABLE |
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202 ></DIV |
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203 ></BODY |
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204 ></HTML |
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205 > |