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1 <HTML
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2 ><HEAD
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3 ><TITLE
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4 >SDL_ListModes</TITLE
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5 ><META
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6 NAME="GENERATOR"
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.61
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8 "><LINK
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9 REL="HOME"
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10 TITLE="SDL Library Documentation"
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11 HREF="index.html"><LINK
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12 REL="UP"
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13 TITLE="Video"
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14 HREF="video.html"><LINK
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15 REL="PREVIOUS"
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16 TITLE="SDL_VideoDriverName"
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17 HREF="sdlvideodrivername.html"><LINK
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18 REL="NEXT"
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19 TITLE="SDL_VideoModeOK"
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20 HREF="sdlvideomodeok.html"></HEAD
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21 ><BODY
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22 CLASS="REFENTRY"
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23 BGCOLOR="#FFF8DC"
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24 TEXT="#000000"
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25 LINK="#0000ee"
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26 VLINK="#551a8b"
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27 ALINK="#ff0000"
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28 ><DIV
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29 CLASS="NAVHEADER"
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30 ><TABLE
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31 WIDTH="100%"
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32 BORDER="0"
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33 CELLPADDING="0"
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34 CELLSPACING="0"
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35 ><TR
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36 ><TH
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37 COLSPAN="3"
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38 ALIGN="center"
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39 >SDL Library Documentation</TH
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40 ></TR
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41 ><TR
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42 ><TD
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43 WIDTH="10%"
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44 ALIGN="left"
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45 VALIGN="bottom"
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46 ><A
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47 HREF="sdlvideodrivername.html"
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48 >Prev</A
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49 ></TD
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50 ><TD
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51 WIDTH="80%"
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52 ALIGN="center"
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53 VALIGN="bottom"
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54 ></TD
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55 ><TD
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56 WIDTH="10%"
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57 ALIGN="right"
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58 VALIGN="bottom"
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59 ><A
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60 HREF="sdlvideomodeok.html"
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61 >Next</A
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62 ></TD
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63 ></TR
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64 ></TABLE
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65 ><HR
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66 ALIGN="LEFT"
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67 WIDTH="100%"></DIV
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68 ><H1
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69 ><A
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70 NAME="SDLLISTMODES"
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71 >SDL_ListModes</A
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72 ></H1
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73 ><DIV
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74 CLASS="REFNAMEDIV"
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75 ><A
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76 NAME="AEN715"
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77 ></A
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78 ><H2
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79 >Name</H2
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80 >SDL_ListModes -- Returns a pointer to an array of available screen dimensions for
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81 the given format and video flags</DIV
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82 ><DIV
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83 CLASS="REFSYNOPSISDIV"
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84 ><A
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85 NAME="AEN718"
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86 ></A
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87 ><H2
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88 >Synopsis</H2
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89 ><DIV
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90 CLASS="FUNCSYNOPSIS"
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91 ><A
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92 NAME="AEN719"
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93 ></A
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94 ><P
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95 ></P
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96 ><PRE
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97 CLASS="FUNCSYNOPSISINFO"
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98 >#include "SDL.h"</PRE
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99 ><P
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100 ><CODE
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101 ><CODE
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102 CLASS="FUNCDEF"
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103 >SDL_Rect **<B
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104 CLASS="FSFUNC"
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105 >SDL_ListModes</B
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106 ></CODE
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107 >(SDL_PixelFormat *format, Uint32 flags);</CODE
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108 ></P
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109 ><P
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110 ></P
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111 ></DIV
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112 ></DIV
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113 ><DIV
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114 CLASS="REFSECT1"
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115 ><A
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116 NAME="AEN725"
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117 ></A
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118 ><H2
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119 >Description</H2
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120 ><P
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121 >Return a pointer to an array of available screen dimensions for the given
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122 format and video flags, sorted largest to smallest. Returns
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123 <TT
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124 CLASS="LITERAL"
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125 >NULL</TT
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126 > if there are no dimensions available for a particular
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127 format, or <SPAN
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128 CLASS="RETURNVALUE"
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129 >-1</SPAN
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130 > if any dimension is okay for
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131 the given format.</P
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132 ><P
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133 >If <TT
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134 CLASS="PARAMETER"
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135 ><I
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136 >format</I
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137 ></TT
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138 > is <TT
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139 CLASS="LITERAL"
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140 >NULL</TT
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141 >, the mode list
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142 will be for the format returned by <A
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143 HREF="sdlgetvideoinfo.html"
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144 >SDL_GetVideoInfo()</A
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145 >-><TT
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146 CLASS="STRUCTFIELD"
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147 ><I
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148 >vfmt</I
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149 ></TT
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150 >. The <TT
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151 CLASS="PARAMETER"
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152 ><I
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153 >flag</I
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154 ></TT
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155 > parameter is an OR'd combination of <A
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156 HREF="sdlsurface.html"
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157 >surface</A
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158 > flags. The flags are the same as those used <A
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159 HREF="sdlsetvideomode.html"
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160 ><TT
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161 CLASS="FUNCTION"
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162 >SDL_SetVideoMode</TT
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163 ></A
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164 > and they play a strong role in deciding what modes are valid. For instance, if you pass <TT
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165 CLASS="LITERAL"
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166 >SDL_HWSURFACE</TT
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167 > as a flag only modes that support hardware video surfaces will be returned.</P
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168 ></DIV
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169 ><DIV
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170 CLASS="REFSECT1"
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171 ><A
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172 NAME="AEN740"
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173 ></A
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174 ><H2
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175 >Example</H2
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176 ><PRE
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177 CLASS="PROGRAMLISTING"
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178 >SDL_Rect **modes;
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179 int i;
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180 .
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181 .
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182 .
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183
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184 /* Get available fullscreen/hardware modes */
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185 modes=SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_HWSURFACE);
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186
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187 /* Check is there are any modes available */
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188 if(modes == (SDL_Rect **)0){
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189 printf("No modes available!\n");
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190 exit(-1);
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191 }
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192
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193 /* Check if or resolution is restricted */
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194 if(modes == (SDL_Rect **)-1){
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195 printf("All resolutions available.\n");
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196 }
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197 else{
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198 /* Print valid modes */
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199 printf("Available Modes\n");
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200 for(i=0;modes[i];++i)
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201 printf(" %d x %d\n", modes[i]->w, modes[i]->h);
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202 }
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203 .
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204 .</PRE
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205 ></DIV
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206 ><DIV
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207 CLASS="REFSECT1"
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208 ><A
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209 NAME="AEN743"
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210 ></A
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211 ><H2
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212 >See Also</H2
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213 ><P
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214 ><A
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215 HREF="sdlsetvideomode.html"
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216 ><TT
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217 CLASS="FUNCTION"
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218 >SDL_SetVideoMode</TT
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219 ></A
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220 >,
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221 <A
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222 HREF="sdlgetvideoinfo.html"
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223 ><TT
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224 CLASS="FUNCTION"
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225 >SDL_GetVideoInfo</TT
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226 ></A
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227 >,
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228 <A
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229 HREF="sdlrect.html"
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230 ><SPAN
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231 CLASS="STRUCTNAME"
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232 >SDL_Rect</SPAN
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233 ></A
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234 >,
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235 <A
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236 HREF="sdlpixelformat.html"
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237 ><SPAN
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238 CLASS="STRUCTNAME"
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239 >SDL_PixelFormat</SPAN
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240 ></A
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241 ></P
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242 ></DIV
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243 ><DIV
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244 CLASS="NAVFOOTER"
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245 ><HR
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246 ALIGN="LEFT"
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247 WIDTH="100%"><TABLE
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248 WIDTH="100%"
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249 BORDER="0"
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250 CELLPADDING="0"
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251 CELLSPACING="0"
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252 ><TR
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253 ><TD
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254 WIDTH="33%"
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255 ALIGN="left"
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256 VALIGN="top"
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257 ><A
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258 HREF="sdlvideodrivername.html"
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259 >Prev</A
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260 ></TD
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261 ><TD
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262 WIDTH="34%"
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263 ALIGN="center"
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264 VALIGN="top"
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265 ><A
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266 HREF="index.html"
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267 >Home</A
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268 ></TD
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269 ><TD
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270 WIDTH="33%"
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271 ALIGN="right"
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272 VALIGN="top"
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273 ><A
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274 HREF="sdlvideomodeok.html"
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275 >Next</A
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276 ></TD
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277 ></TR
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278 ><TR
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279 ><TD
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280 WIDTH="33%"
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281 ALIGN="left"
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282 VALIGN="top"
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283 >SDL_VideoDriverName</TD
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284 ><TD
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285 WIDTH="34%"
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286 ALIGN="center"
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287 VALIGN="top"
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288 ><A
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289 HREF="video.html"
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290 >Up</A
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291 ></TD
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292 ><TD
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293 WIDTH="33%"
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294 ALIGN="right"
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295 VALIGN="top"
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296 >SDL_VideoModeOK</TD
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297 ></TR
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298 ></TABLE
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299 ></DIV
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300 ></BODY
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301 ></HTML
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302 > |
