FreeCalypso > hg > fc-selenite
annotate src/cs/drivers/drv_app/r2d/lcds/ColorPC/R2D_pc_color_lcd_i.c @ 0:b6a5e36de839
src/cs: initial import from Magnetite
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 15 Jul 2018 04:39:26 +0000 |
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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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15 } |
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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_erase_operator(UINT32 old,UINT32 value) |
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38 { |
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39 if ((value&0x00FFFFFF)==0) |
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40 return(0xFFFFFF); |
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41 else |
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42 return(old); |
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43 } |
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44 |
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45 static UINT32 r2d_lcd_alpha_operator(UINT32 old,UINT32 value) |
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46 { |
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47 INT16 a,rs,gs,bs,rd,gd,bd; |
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48 |
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49 |
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50 |
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51 a=(value >> 24) & 0x0FF; |
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52 |
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53 |
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54 if (a) |
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55 { |
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56 |
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57 bs=value&0xFF; |
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58 |
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59 value=value>>8; |
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60 gs=value&0xFF; |
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61 |
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62 value=value>>8; |
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63 rs=value&0xFF; |
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64 |
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65 bd=old&0xFF; |
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66 |
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67 old=old>>8; |
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68 gd=old&0xFF; |
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69 |
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70 old=old>>8; |
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71 rd=old&0xFF; |
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72 |
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73 // Pixel value has been complemented before being |
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74 // saved so that the white correspond to 0 and be |
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75 // compatible with formulas for other modes. |
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76 // But alpha value is not complemented |
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77 // So a=0xFF correspond tranparency |
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78 bd=((a)*bd+(0x100 - a)*bs) >> 8; |
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79 gd=((a)*gd+(0x100 - a)*gs) >> 8; |
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80 rd=((a)*rd+(0x100 - a)*rs) >> 8; |
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81 |
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82 |
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83 old=((rd << 16) | (gd << 8) | bd) & 0x00FFFFFF; |
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84 return(old); |
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85 } |
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86 else return(value); |
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87 } |
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88 |
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89 const T_R2D_DRAWING_OPERATORS r2d_g_lcd_operators= |
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90 { |
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91 &r2d_lcd_copy_operator, |
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92 &r2d_lcd_or_operator, |
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93 &r2d_lcd_and_operator, |
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94 &r2d_lcd_xor_operator, |
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95 &r2d_lcd_not_copy_operator, |
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96 &r2d_lcd_not_or_operator, |
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97 &r2d_lcd_not_and_operator, |
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98 &r2d_lcd_not_xor_operator, |
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99 &r2d_lcd_alpha_operator, |
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100 &r2d_lcd_erase_operator |
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101 }; |
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102 |
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103 |
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104 |
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105 |
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106 |
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107 |
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108 |
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109 |
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110 // Return the pixel value to write on the LCD or the offscreen |
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111 // pixmap |
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112 // (Convert Riviera color to Windows RGB Format with complement) |
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113 void r2d_convert_foreground_color(T_R2D_GC *gc,UINT32 color) |
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114 { |
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115 /*gc->foreground_pixel_value=r2d_alpha(color); |
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116 gc->foreground_pixel_value<<=24; |
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117 |
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118 gc->foreground_pixel_value|=((RGB(r2d_red(color), |
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119 r2d_green(color),r2d_blue(color)))) & 0x00FFFFFF;*/ |
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120 |
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121 gc->foreground_pixel_value=color; |
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122 } |
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123 |
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124 // Return the pixel value to write on the LCD or the offscreen |
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125 // pixmap |
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126 // (Convert ribviera color to windows RGB format with complement) |
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127 void r2d_convert_background_color(T_R2D_GC *gc,UINT32 color) |
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128 { |
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129 /*gc->background_pixel_value=r2d_alpha(color); |
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130 gc->background_pixel_value<<=24; |
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131 |
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132 gc->background_pixel_value|=((RGB(r2d_red(color), |
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133 r2d_green(color),r2d_blue(color)))) & 0x00FFFFFF;*/ |
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134 |
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135 gc->background_pixel_value=color; |
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136 } |
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137 |
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138 // Convert a LCD value (not color) to a value |
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139 // to be written into the 24bpp framebuffer |
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140 // In general, the value written is a packed |
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141 // representation of the ARGB color |
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142 // but it may be different according to the framebuffer |
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143 // internal format |
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144 BOOLEAN r2d_lcd_foreground_pixel(UINT32 lcd_value,T_R2D_GC_PTR src_gc) |
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145 { |
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146 if (lcd_value&0x0FFFFFF==0x0FFFFFF) |
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147 return(FALSE); |
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148 else |
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149 return(TRUE); |
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150 } |
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151 |
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152 // Assume than color framebuffer contains ARGB packed values |
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153 // Convert color to LCD with on the fly dithering |
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154 // Riviera complemented RGB to Windows complemented one |
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155 // Convert from pixel_value to LCD |
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156 UINT32 r2d_color_to_lcd(UINT32 pixel_value,INT16 x,INT16 y) |
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157 { |
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158 return((((~pixel_value)&0x00FFFFFF)) | (pixel_value&0xFF000000)); |
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159 } |
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160 |
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161 // Windows RGB format to pixel value for 24 bpp framebuffer |
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162 UINT32 r2d_lcd_to_color(UINT32 color) |
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163 { |
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164 |
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165 // INT16 r,g,b; |
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166 // UINT32 a; |
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167 |
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168 /*a=color&0xFF000000; |
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169 |
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170 color=color; |
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171 r=GetRValue(color); |
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172 g=GetGValue(color); |
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173 b=GetBValue(color); |
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174 |
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175 return(((~((r<<16) + (g<<8)+b)) & 0x00FFFFFF) | a);*/ |
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176 return((~(color&0xFFFFFF)) | (color&0xFF000000)); |
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177 } |
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178 |
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179 |