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4 >SDL_GetGammaRamp</TITLE |
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40 >SDL Library Documentation</TH |
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62 HREF="sdlsetgammaramp.html" |
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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="SDLGETGAMMARAMP" |
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74 ></A |
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75 >SDL_GetGammaRamp</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="AEN1598" |
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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_GetGammaRamp -- Gets the color gamma lookup tables for the display</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="AEN1601" |
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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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94 NAME="AEN1602" |
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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 >int <B |
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106 CLASS="FSFUNC" |
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107 >SDL_GetGammaRamp</B |
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108 ></CODE |
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109 >(Uint16 *redtable, Uint16 *greentable, Uint16 *bluetable);</CODE |
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110 ></P |
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111 ><P |
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112 ></P |
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116 CLASS="REFSECT1" |
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118 NAME="AEN1608" |
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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 >Gets the gamma translation lookup tables currently used by the display. |
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124 Each table is an array of 256 Uint16 values.</P |
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125 ><P |
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126 >Not all display hardware is able to change gamma.</P |
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129 CLASS="REFSECT1" |
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130 ><A |
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131 NAME="AEN1612" |
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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 >Returns -1 on error.</P |
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137 ></DIV |
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138 ><DIV |
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139 CLASS="REFSECT1" |
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140 ><A |
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141 NAME="AEN1615" |
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142 ></A |
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143 ><H2 |
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144 >See Also</H2 |
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145 ><P |
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146 ><A |
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147 HREF="sdlsetgamma.html" |
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148 >SDL_SetGamma</A |
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149 > |
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150 <A |
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151 HREF="sdlsetgammaramp.html" |
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152 >SDL_SetGammaRamp</A |
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153 ></P |
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199 >SDL_SetGamma</TD |
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