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1 <HTML
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2 ><HEAD
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3 ><TITLE
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4 >SDL_WasInit</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="General"
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14 HREF="general.html"><LINK
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15 REL="PREVIOUS"
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16 TITLE="SDL_Quit"
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17 HREF="sdlquit.html"><LINK
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18 REL="NEXT"
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19 TITLE="Video"
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20 HREF="video.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="sdlquit.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="video.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="SDLWASINIT"
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71 >SDL_WasInit</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="AEN578"
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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_WasInit -- Check which subsystems are initialized</DIV
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81 ><DIV
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82 CLASS="REFSYNOPSISDIV"
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83 ><A
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84 NAME="AEN581"
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85 ></A
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86 ><H2
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87 >Synopsis</H2
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88 ><DIV
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89 CLASS="FUNCSYNOPSIS"
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90 ><A
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91 NAME="AEN582"
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92 ></A
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93 ><P
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94 ></P
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95 ><PRE
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96 CLASS="FUNCSYNOPSISINFO"
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97 >#include "SDL.h"</PRE
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98 ><P
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99 ><CODE
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100 ><CODE
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101 CLASS="FUNCDEF"
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102 >Uint32 <B
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103 CLASS="FSFUNC"
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104 >SDL_WasInit</B
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105 ></CODE
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106 >(Uint32 flags);</CODE
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107 ></P
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108 ><P
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109 ></P
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110 ></DIV
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111 ></DIV
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112 ><DIV
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113 CLASS="REFSECT1"
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114 ><A
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115 NAME="AEN588"
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116 ></A
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117 ><H2
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118 >Description</H2
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119 ><P
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120 ><TT
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121 CLASS="FUNCTION"
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122 >SDL_WasInit</TT
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123 > allows you to see which SDL subsytems have been <A
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124 HREF="sdlinit.html"
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125 >initialized</A
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126 >. <TT
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127 CLASS="PARAMETER"
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128 ><I
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129 >flags</I
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130 ></TT
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131 > is a bitwise OR'd combination of the subsystems you wish to check (see <A
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132 HREF="sdlinit.html"
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133 ><TT
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134 CLASS="FUNCTION"
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135 >SDL_Init</TT
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136 ></A
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137 > for a list of subsystem flags).</P
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138 ></DIV
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139 ><DIV
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140 CLASS="REFSECT1"
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141 ><A
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142 NAME="AEN596"
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143 ></A
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144 ><H2
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145 >Return Value</H2
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146 ><P
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147 ><TT
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148 CLASS="FUNCTION"
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149 >SDL_WasInit</TT
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150 > returns a bitwised OR'd combination of the initialized subsystems.</P
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151 ></DIV
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152 ><DIV
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153 CLASS="REFSECT1"
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154 ><A
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155 NAME="AEN600"
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156 ></A
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157 ><H2
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158 >Examples</H2
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159 ><PRE
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160 CLASS="PROGRAMLISTING"
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161 > /* Here are several ways you can use SDL_WasInit() */
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162
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163 /* Get init data on all the subsystems */
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164 Uint32 subsystem_init;
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165
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166 subsystem_init=SDL_WasInit(SDL_INIT_EVERYTHING);
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167
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168 if(subsystem_init&SDL_INIT_VIDEO)
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169 printf("Video is initialized.\n");
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170 else
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171 printf("Video is not initialized.\n");
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172
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173
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174
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175 /* Just check for one specfic subsystem */
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176
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177 if(SDL_WasInit(SDL_INIT_VIDEO)!=0)
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178 printf("Video is initialized.\n");
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179 else
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180 printf("Video is not initialized.\n");
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181
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182
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183
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184
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185 /* Check for two subsystems */
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186
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187 Uint32 subsystem_mask=SDL_INIT_VIDEO|SDL_INIT_AUDIO;
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188
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189 if(SDL_WasInit(subsystem_mask)==subsystem_mask)
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190 printf("Video and Audio initialized.\n");
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191 else
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192 printf("Video and Audio not initialized.\n"); </PRE
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193 ></DIV
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194 ><DIV
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195 CLASS="REFSECT1"
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196 ><A
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197 NAME="AEN603"
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198 ></A
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199 ><H2
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200 >See Also</H2
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201 ><P
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202 ><A
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203 HREF="sdlinit.html"
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204 ><TT
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205 CLASS="FUNCTION"
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206 >SDL_Init</TT
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207 ></A
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208 >,
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209 <A
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210 HREF="sdlinitsubsystem.html"
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211 ><TT
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212 CLASS="FUNCTION"
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213 >SDL_Subsystem</TT
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214 ></A
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215 ></P
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216 ></DIV
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217 ><DIV
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218 CLASS="NAVFOOTER"
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219 ><HR
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220 ALIGN="LEFT"
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221 WIDTH="100%"><TABLE
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222 WIDTH="100%"
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223 BORDER="0"
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224 CELLPADDING="0"
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225 CELLSPACING="0"
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226 ><TR
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227 ><TD
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228 WIDTH="33%"
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229 ALIGN="left"
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230 VALIGN="top"
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231 ><A
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232 HREF="sdlquit.html"
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233 >Prev</A
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234 ></TD
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235 ><TD
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236 WIDTH="34%"
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237 ALIGN="center"
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238 VALIGN="top"
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239 ><A
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240 HREF="index.html"
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241 >Home</A
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242 ></TD
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243 ><TD
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244 WIDTH="33%"
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245 ALIGN="right"
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246 VALIGN="top"
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247 ><A
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248 HREF="video.html"
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249 >Next</A
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250 ></TD
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251 ></TR
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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 >SDL_Quit</TD
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258 ><TD
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259 WIDTH="34%"
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260 ALIGN="center"
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261 VALIGN="top"
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262 ><A
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263 HREF="general.html"
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264 >Up</A
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265 ></TD
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266 ><TD
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267 WIDTH="33%"
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268 ALIGN="right"
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269 VALIGN="top"
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270 >Video</TD
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271 ></TR
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272 ></TABLE
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273 ></DIV
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274 ></BODY
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275 ></HTML
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276 > |
