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annotate docs/html/sdldisplayformat.html @ 2710:44e49d3fa6cf

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Final merge of Google Summer of Code 2008 work... Many-mouse and tablet support by Szymon Wilczek, mentored by Ryan C. Gordon Everything concerning the project is noted on the wiki: http://wilku.ravenlord.ws/doku.php?id=start
author Sam Lantinga <slouken@libsdl.org>
date Mon, 25 Aug 2008 06:33:00 +0000
parents 355632dca928
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1 <HTML
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2 ><HEAD
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3 ><TITLE
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4 >SDL_DisplayFormat</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 1.76b+
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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_FillRect"
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17 HREF="sdlfillrect.html"><LINK
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18 REL="NEXT"
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19 TITLE="SDL_DisplayFormatAlpha"
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20 HREF="sdldisplayformatalpha.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 SUMMARY="Header navigation table"
0
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32 WIDTH="100%"
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33 BORDER="0"
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34 CELLPADDING="0"
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35 CELLSPACING="0"
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36 ><TR
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37 ><TH
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38 COLSPAN="3"
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39 ALIGN="center"
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40 >SDL Library Documentation</TH
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41 ></TR
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42 ><TR
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43 ><TD
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44 WIDTH="10%"
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45 ALIGN="left"
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46 VALIGN="bottom"
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47 ><A
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48 HREF="sdlfillrect.html"
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49 ACCESSKEY="P"
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50 >Prev</A
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51 ></TD
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52 ><TD
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53 WIDTH="80%"
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54 ALIGN="center"
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55 VALIGN="bottom"
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56 ></TD
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57 ><TD
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58 WIDTH="10%"
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59 ALIGN="right"
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60 VALIGN="bottom"
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61 ><A
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62 HREF="sdldisplayformatalpha.html"
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63 ACCESSKEY="N"
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64 >Next</A
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65 ></TD
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66 ></TR
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67 ></TABLE
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68 ><HR
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69 ALIGN="LEFT"
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70 WIDTH="100%"></DIV
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71 ><H1
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72 ><A
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73 NAME="SDLDISPLAYFORMAT"
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74 ></A
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75 >SDL_DisplayFormat</H1
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76 ><DIV
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77 CLASS="REFNAMEDIV"
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78 ><A
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79 NAME="AEN2394"
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80 ></A
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81 ><H2
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82 >Name</H2
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83 >SDL_DisplayFormat&nbsp;--&nbsp;Convert a surface to the display format</DIV
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84 ><DIV
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85 CLASS="REFSYNOPSISDIV"
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86 ><A
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87 NAME="AEN2397"
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88 ></A
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89 ><H2
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90 >Synopsis</H2
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91 ><DIV
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92 CLASS="FUNCSYNOPSIS"
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93 ><A
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94 NAME="AEN2398"
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95 ></A
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96 ><P
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97 ></P
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98 ><PRE
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99 CLASS="FUNCSYNOPSISINFO"
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100 >#include "SDL.h"</PRE
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101 ><P
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102 ><CODE
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103 ><CODE
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104 CLASS="FUNCDEF"
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105 >SDL_Surface *<B
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106 CLASS="FSFUNC"
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107 >SDL_DisplayFormat</B
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108 ></CODE
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109 >(SDL_Surface *surface);</CODE
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110 ></P
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111 ><P
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112 ></P
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113 ></DIV
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114 ></DIV
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115 ><DIV
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116 CLASS="REFSECT1"
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117 ><A
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118 NAME="AEN2404"
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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 >This function takes a surface and copies it to a new surface of the
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124 pixel format and colors of the video framebuffer, suitable for fast
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125 blitting onto the display surface. It calls
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126 <A
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127 HREF="sdlconvertsurface.html"
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128 >SDL_ConvertSurface</A
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129 ></P
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130 ><P
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131 >If you want to take advantage of hardware colorkey or alpha blit
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132 acceleration, you should set the colorkey and alpha value before
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133 calling this function.</P
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134 ><P
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135 >If you want an alpha channel, see <A
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136 HREF="sdldisplayformatalpha.html"
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137 >SDL_DisplayFormatAlpha</A
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138 >.</P
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139 ></DIV
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140 ><DIV
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141 CLASS="REFSECT1"
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142 ><A
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143 NAME="AEN2411"
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144 ></A
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145 ><H2
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146 >Return Value</H2
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147 ><P
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148 >If the conversion fails or runs out of memory, it returns
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149 <SPAN
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150 CLASS="RETURNVALUE"
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151 >NULL</SPAN
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152 ></P
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153 ></DIV
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154 ><DIV
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155 CLASS="REFSECT1"
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156 ><A
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157 NAME="AEN2415"
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158 ></A
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159 ><H2
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160 >See Also</H2
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161 ><P
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162 ><A
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163 HREF="sdlconvertsurface.html"
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164 ><TT
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165 CLASS="FUNCTION"
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166 >SDL_ConvertSurface</TT
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167 ></A
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168 >,
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169 <A
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170 HREF="sdldisplayformatalpha.html"
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171 ><TT
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172 CLASS="FUNCTION"
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173 >SDL_DisplayFormatAlpha</TT
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174 ></A
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175 >
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176 <A
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177 HREF="sdlsetalpha.html"
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178 ><TT
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179 CLASS="FUNCTION"
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180 >SDL_SetAlpha</TT
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181 ></A
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182 >,
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183 <A
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184 HREF="sdlsetcolorkey.html"
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185 ><TT
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186 CLASS="FUNCTION"
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187 >SDL_SetColorKey</TT
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188 ></A
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189 >,
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190 <A
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191 HREF="sdlsurface.html"
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192 ><SPAN
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193 CLASS="STRUCTNAME"
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194 >SDL_Surface</SPAN
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195 ></A
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196 ></P
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197 ></DIV
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198 ><DIV
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199 CLASS="NAVFOOTER"
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200 ><HR
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201 ALIGN="LEFT"
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202 WIDTH="100%"><TABLE
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203 SUMMARY="Footer navigation table"
0
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204 WIDTH="100%"
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205 BORDER="0"
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206 CELLPADDING="0"
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207 CELLSPACING="0"
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208 ><TR
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209 ><TD
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210 WIDTH="33%"
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211 ALIGN="left"
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212 VALIGN="top"
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213 ><A
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214 HREF="sdlfillrect.html"
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215 ACCESSKEY="P"
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216 >Prev</A
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217 ></TD
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218 ><TD
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219 WIDTH="34%"
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220 ALIGN="center"
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221 VALIGN="top"
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222 ><A
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223 HREF="index.html"
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224 ACCESSKEY="H"
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225 >Home</A
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226 ></TD
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227 ><TD
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228 WIDTH="33%"
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229 ALIGN="right"
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230 VALIGN="top"
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231 ><A
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232 HREF="sdldisplayformatalpha.html"
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233 ACCESSKEY="N"
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234 >Next</A
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235 ></TD
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236 ></TR
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237 ><TR
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238 ><TD
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239 WIDTH="33%"
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240 ALIGN="left"
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241 VALIGN="top"
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242 >SDL_FillRect</TD
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243 ><TD
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244 WIDTH="34%"
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245 ALIGN="center"
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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 ACCESSKEY="U"
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250 >Up</A
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251 ></TD
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252 ><TD
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253 WIDTH="33%"
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254 ALIGN="right"
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255 VALIGN="top"
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256 >SDL_DisplayFormatAlpha</TD
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257 ></TR
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258 ></TABLE
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259 ></DIV
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260 ></BODY
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261 ></HTML
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262 >