FreeCalypso > hg > fc-magnetite
annotate src/cs/drivers/drv_app/r2d/lcds/PC_DSAMPLE/R2D_pc_dsample_lcd_i.c @ 453:96c047b4325e
R2D D-Sample drivers: only do the actual hw pokes when CONFIG_TARGET_DSAMPLE
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 15 Mar 2018 05:48:03 +0000 |
parents | 945cf7f506b2 |
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rev | line source |
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1 static UINT32 r2d_lcd_copy_operator(UINT32 old,UINT32 value) |
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2 { |
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3 return(value); |
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4 } |
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5 static UINT32 r2d_lcd_or_operator(UINT32 old,UINT32 value) |
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6 { |
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7 if ((value&0x00FFFFFF)==0x0FFFFFF) |
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8 return(old); |
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9 else |
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10 return(value); |
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11 } |
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12 static UINT32 r2d_lcd_and_operator(UINT32 old,UINT32 value) |
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13 { |
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14 return((~(~old) & (~value))); |
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16 static UINT32 r2d_lcd_xor_operator(UINT32 old,UINT32 value) |
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17 { |
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18 return(~((~old) ^ (~value))) ; |
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19 } |
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20 static UINT32 r2d_lcd_not_copy_operator(UINT32 old,UINT32 value) |
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21 { |
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22 return(~value); |
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23 } |
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24 static UINT32 r2d_lcd_not_or_operator(UINT32 old,UINT32 value) |
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25 { |
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26 return(((~old) | (~value))); |
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27 } |
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28 static UINT32 r2d_lcd_not_and_operator(UINT32 old,UINT32 value) |
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29 { |
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30 return(((~old) & (~value))); |
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31 } |
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32 static UINT32 r2d_lcd_not_xor_operator(UINT32 old,UINT32 value) |
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33 { |
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34 return(((~old) ^ (~value))) ; |
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35 } |
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36 |
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37 static UINT32 r2d_lcd_alpha_operator(UINT32 old,UINT32 value) |
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38 { |
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39 INT16 a,rs,gs,bs,rd,gd,bd; |
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40 |
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41 |
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43 a=(value >> 24) & 0x0FF; |
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45 |
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46 if (a) |
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47 { |
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48 |
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49 bs=value&0xFF; |
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50 |
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51 value=value>>8; |
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52 gs=value&0xFF; |
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53 |
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54 value=value>>8; |
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55 rs=value&0xFF; |
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56 |
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57 bd=old&0xFF; |
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58 |
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59 old=old>>8; |
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60 gd=old&0xFF; |
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61 |
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62 old=old>>8; |
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63 rd=old&0xFF; |
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64 |
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65 // Pixel value has been complemented before being |
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66 // saved so that the white correspond to 0 and be |
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67 // compatible with formulas for other modes. |
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68 // But alpha value is not complemented |
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69 // So a=0xFF correspond tranparency |
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70 bd=((a)*bd+(0x100 - a)*bs) >> 8; |
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71 gd=((a)*gd+(0x100 - a)*gs) >> 8; |
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72 rd=((a)*rd+(0x100 - a)*rs) >> 8; |
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73 |
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74 |
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75 old=((rd << 16) | (gd << 8) | bd) & 0x00FFFFFF; |
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76 return(old); |
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77 } |
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78 else return(value); |
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79 } |
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80 |
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81 const T_R2D_DRAWING_OPERATORS r2d_g_lcd_operators= |
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82 { |
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83 &r2d_lcd_copy_operator, |
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84 &r2d_lcd_or_operator, |
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85 &r2d_lcd_and_operator, |
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86 &r2d_lcd_xor_operator, |
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87 &r2d_lcd_not_copy_operator, |
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88 &r2d_lcd_not_or_operator, |
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89 &r2d_lcd_not_and_operator, |
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90 &r2d_lcd_not_xor_operator, |
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91 &r2d_lcd_alpha_operator |
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92 }; |
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93 |
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94 |
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95 |
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96 |
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97 |
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98 |
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99 |
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100 |
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101 // Return the pixel value to write on the LCD or the offscreen |
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102 // pixmap |
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103 // (Convert Riviera color to Windows RGB Format with complement) |
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104 void r2d_convert_foreground_color(T_R2D_GC *gc,UINT32 color) |
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105 { |
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106 /*gc->foreground_pixel_value=r2d_alpha(color); |
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107 gc->foreground_pixel_value<<=24; |
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108 |
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109 gc->foreground_pixel_value|=((RGB(r2d_red(color), |
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110 r2d_green(color),r2d_blue(color)))) & 0x00FFFFFF;*/ |
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111 |
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112 gc->foreground_pixel_value=color; |
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113 } |
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114 |
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115 // Return the pixel value to write on the LCD or the offscreen |
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116 // pixmap |
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117 // (Convert ribviera color to windows RGB format with complement) |
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118 void r2d_convert_background_color(T_R2D_GC *gc,UINT32 color) |
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119 { |
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120 /*gc->background_pixel_value=r2d_alpha(color); |
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121 gc->background_pixel_value<<=24; |
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122 |
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123 gc->background_pixel_value|=((RGB(r2d_red(color), |
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124 r2d_green(color),r2d_blue(color)))) & 0x00FFFFFF;*/ |
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125 |
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126 gc->background_pixel_value=color; |
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127 } |
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128 |
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129 // Convert a LCD value (not color) to a value |
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130 // to be written into the 24bpp framebuffer |
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131 // In general, the value written is a packed |
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132 // representation of the ARGB color |
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133 // but it may be different according to the framebuffer |
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134 // internal format |
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135 BOOLEAN r2d_lcd_foreground_pixel(UINT32 lcd_value,T_R2D_GC_PTR src_gc) |
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136 { |
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137 if (lcd_value&0x0FFFFFF==0x0FFFFFF) |
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138 return(FALSE); |
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139 else |
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140 return(TRUE); |
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141 } |
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142 |
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143 // Assume than color framebuffer contains ARGB packed values |
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144 // Convert color to LCD with on the fly dithering |
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145 // Riviera complemented RGB to Windows complemented one |
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146 // Convert from pixel_value to LCD |
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147 UINT32 r2d_color_to_lcd(UINT32 pixel_value,INT16 x,INT16 y) |
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148 { |
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149 INT16 r,g,b; |
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150 UINT32 alpha; |
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151 //UINT32 tmp; |
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152 |
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153 /*alpha=pixel_value & 0xFF000000; |
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154 |
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155 pixel_value=~pixel_value; |
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156 |
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157 b=pixel_value&0xFF; |
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158 |
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159 pixel_value=pixel_value>>8; |
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160 g=pixel_value&0xFF; |
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161 |
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162 pixel_value=pixel_value>>8; |
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163 r=pixel_value&0xFF; |
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164 |
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165 |
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166 //tmp=(~RGB(r,g,b)) & 0x00FFFFFF; |
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167 return(((RGB(r,g,b)) & 0x00FFFFFF) | (alpha ));*/ |
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168 return((~(pixel_value&0x00FFFFFF)) | (pixel_value&0xFF000000)); |
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169 } |
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170 |
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171 // Windows RGB format to pixel value for 24 bpp framebuffer |
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172 UINT32 r2d_lcd_to_color(UINT32 color) |
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173 { |
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174 |
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175 INT16 r,g,b; |
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176 UINT32 a; |
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177 |
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178 /*a=color&0xFF000000; |
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179 |
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180 color=color; |
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181 r=GetRValue(color); |
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182 g=GetGValue(color); |
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183 b=GetBValue(color); |
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184 |
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185 return(((~((r<<16) + (g<<8)+b)) & 0x00FFFFFF) | a);*/ |
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186 return((~(color&0xFFFFFF)) | (color&0xFF000000)); |
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187 } |
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188 |
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189 |