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1 <HTML
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2 ><HEAD
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3 ><TITLE
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4 >SDL_CreateRGBSurface</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_GetRGBA"
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17 HREF="sdlgetrgba.html"><LINK
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18 REL="NEXT"
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19 TITLE="SDL_CreateRGBSurfaceFrom"
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20 HREF="sdlcreatergbsurfacefrom.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="sdlgetrgba.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="sdlcreatergbsurfacefrom.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="SDLCREATERGBSURFACE"
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71 >SDL_CreateRGBSurface</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="AEN1316"
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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_CreateRGBSurface -- Create an empty SDL_Surface</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="AEN1319"
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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="AEN1320"
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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 >SDL_Surface *<B
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103 CLASS="FSFUNC"
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104 >SDL_CreateRGBSurface</B
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105 ></CODE
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106 >(Uint32 flags, int width, int height, int depth, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);</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="AEN1326"
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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 >Allocate an empty surface (must be called after <A
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121 HREF="sdlsetvideomode.html"
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122 >SDL_SetVideoMode</A
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123 >)</P
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124 ><P
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125 >If <TT
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126 CLASS="PARAMETER"
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127 ><I
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128 >depth</I
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129 ></TT
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130 > is 8 bits an empty palette is allocated for the surface, otherwise a 'packed-pixel' <A
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131 HREF="sdlpixelformat.html"
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132 ><SPAN
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133 CLASS="STRUCTNAME"
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134 >SDL_PixelFormat</SPAN
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135 ></A
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136 > is created using the <TT
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137 CLASS="PARAMETER"
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138 ><I
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139 >[RGBA]mask</I
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140 ></TT
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141 >'s provided (see <A
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142 HREF="sdlpixelformat.html"
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143 ><SPAN
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144 CLASS="STRUCTNAME"
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145 >SDL_PixelFormat</SPAN
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146 ></A
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147 >). The <TT
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148 CLASS="PARAMETER"
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149 ><I
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150 >flags</I
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151 ></TT
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152 > specifies the type of surface that should be created, it is an OR'd combination of the following possible values.</P
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153 ><DIV
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154 CLASS="INFORMALTABLE"
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155 ><A
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156 NAME="AEN1338"
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157 ></A
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158 ><P
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159 ></P
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160 ><TABLE
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161 BORDER="1"
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162 CLASS="CALSTABLE"
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163 ><TBODY
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164 ><TR
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165 ><TD
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166 ALIGN="LEFT"
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167 VALIGN="TOP"
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168 ><TT
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169 CLASS="LITERAL"
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170 >SDL_SWSURFACE</TT
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171 ></TD
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172 ><TD
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173 ALIGN="LEFT"
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174 VALIGN="TOP"
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175 >SDL will create the surface in system memory. This improves the performance of pixel level access, however you may not be able to take advantage of some types of hardware blitting.</TD
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176 ></TR
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177 ><TR
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178 ><TD
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179 ALIGN="LEFT"
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180 VALIGN="TOP"
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181 ><TT
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182 CLASS="LITERAL"
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183 >SDL_HWSURFACE</TT
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184 ></TD
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185 ><TD
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186 ALIGN="LEFT"
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187 VALIGN="TOP"
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188 >SDL will attempt to create the surface in video memory. This will allow SDL to take advantage of Video->Video blits (which are often accelerated).</TD
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189 ></TR
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190 ><TR
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191 ><TD
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192 ALIGN="LEFT"
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193 VALIGN="TOP"
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194 ><TT
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195 CLASS="LITERAL"
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196 >SDL_SRCCOLORKEY</TT
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197 ></TD
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198 ><TD
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199 ALIGN="LEFT"
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200 VALIGN="TOP"
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201 >With this flag SDL will attempt to find the best location for this surface, either in system memory or video memory, to obtain hardware colorkey blitting support.</TD
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202 ></TR
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203 ><TR
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204 ><TD
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205 ALIGN="LEFT"
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206 VALIGN="TOP"
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207 ><TT
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208 CLASS="LITERAL"
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209 >SDL_SRCALPHA</TT
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210 ></TD
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211 ><TD
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212 ALIGN="LEFT"
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213 VALIGN="TOP"
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214 >With this flag SDL will attempt to find the best location for this surface, either in system memory or video memory, to obtain hardware alpha support</TD
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215 ></TR
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216 ></TBODY
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217 ></TABLE
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218 ><P
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219 ></P
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220 ></DIV
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221 ></DIV
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222 ><DIV
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223 CLASS="REFSECT1"
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224 ><A
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225 NAME="AEN1357"
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226 ></A
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227 ><H2
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228 >See Also</H2
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229 ><P
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230 ><A
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231 HREF="sdlcreatergbsurfacefrom.html"
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232 ><TT
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233 CLASS="FUNCTION"
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234 >SDL_CreateRGBSurfaceFrom</TT
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235 ></A
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236 >,
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237 <A
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238 HREF="sdlfreesurface.html"
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239 ><TT
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240 CLASS="FUNCTION"
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241 >SDL_FreeSurface</TT
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242 ></A
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243 >,
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244 <A
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245 HREF="sdlsetvideomode.html"
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246 ><TT
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247 CLASS="FUNCTION"
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248 >SDL_SetVideoMode</TT
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249 ></A
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250 >,
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251 <A
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252 HREF="sdllocksurface.html"
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253 ><TT
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254 CLASS="FUNCTION"
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255 >SDL_LockSurface</TT
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256 ></A
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257 >,
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258 <A
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259 HREF="sdlpixelformat.html"
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260 ><SPAN
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261 CLASS="STRUCTNAME"
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262 >SDL_PixelFormat</SPAN
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263 ></A
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264 >,
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265 <A
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266 HREF="sdlsurface.html"
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267 ><SPAN
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268 CLASS="STRUCTNAME"
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269 >SDL_Surface</SPAN
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270 ></A
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271 ></P
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272 ></DIV
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273 ><DIV
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274 CLASS="NAVFOOTER"
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275 ><HR
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276 ALIGN="LEFT"
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277 WIDTH="100%"><TABLE
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278 WIDTH="100%"
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279 BORDER="0"
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280 CELLPADDING="0"
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281 CELLSPACING="0"
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282 ><TR
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283 ><TD
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284 WIDTH="33%"
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285 ALIGN="left"
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286 VALIGN="top"
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287 ><A
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288 HREF="sdlgetrgba.html"
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289 >Prev</A
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290 ></TD
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291 ><TD
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292 WIDTH="34%"
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293 ALIGN="center"
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294 VALIGN="top"
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295 ><A
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296 HREF="index.html"
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297 >Home</A
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298 ></TD
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299 ><TD
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300 WIDTH="33%"
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301 ALIGN="right"
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302 VALIGN="top"
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303 ><A
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304 HREF="sdlcreatergbsurfacefrom.html"
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305 >Next</A
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306 ></TD
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307 ></TR
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308 ><TR
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309 ><TD
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310 WIDTH="33%"
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311 ALIGN="left"
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312 VALIGN="top"
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313 >SDL_GetRGBA</TD
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314 ><TD
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315 WIDTH="34%"
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316 ALIGN="center"
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317 VALIGN="top"
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318 ><A
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319 HREF="video.html"
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320 >Up</A
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321 ></TD
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322 ><TD
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323 WIDTH="33%"
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324 ALIGN="right"
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325 VALIGN="top"
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326 >SDL_CreateRGBSurfaceFrom</TD
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327 ></TR
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328 ></TABLE
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329 ></DIV
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330 ></BODY
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331 ></HTML
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332 > |
