FreeCalypso > hg > fc-selenite

annotate src/cs/drivers/drv_app/r2d/lcds/Horizontal/R2D_horizontal_lcd_i.c @ 0:b6a5e36de839

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src/cs: initial import from Magnetite
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 04:39:26 +0000
parents
children
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b6a5e36de839 src/cs: initial import from Magnetite
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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 return(old | value) ;
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8 }
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9 static UINT32 r2d_lcd_and_operator(UINT32 old,UINT32 value)
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10 {
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11 return(old & value);
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12 }
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13 static UINT32 r2d_lcd_xor_operator(UINT32 old,UINT32 value)
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14 {
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15 return(old ^ value) ;
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16 }
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17 static UINT32 r2d_lcd_not_copy_operator(UINT32 old,UINT32 value)
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18 {
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19 return(~value);
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20 }
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21 static UINT32 r2d_lcd_not_or_operator(UINT32 old,UINT32 value)
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22 {
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23 return(~(old | value));
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24 }
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25 static UINT32 r2d_lcd_not_and_operator(UINT32 old,UINT32 value)
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26 {
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27 return(~(old & value));
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28 }
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29 static UINT32 r2d_lcd_not_xor_operator(UINT32 old,UINT32 value)
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30 {
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31 return(~(old ^ value)) ;
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32 }
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33
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34 const T_R2D_DRAWING_OPERATORS r2d_g_lcd_operators=
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35 {
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36 &r2d_lcd_copy_operator,
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37 &r2d_lcd_or_operator,
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38 &r2d_lcd_and_operator,
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39 &r2d_lcd_xor_operator,
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40 &r2d_lcd_not_copy_operator,
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41 &r2d_lcd_not_or_operator,
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42 &r2d_lcd_not_and_operator,
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43 &r2d_lcd_not_xor_operator,
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44 NULL
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45 };
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46
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47 // Return the pixel value to write on the LCD or the offscreen
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48 // pixmap
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49 // LCD DEPENDENT
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50 void r2d_convert_foreground_color(T_R2D_GC *gc,UINT32 color)
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51 {
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52
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53 // If one is writing to the LCD framebuffer (the only
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54 // one which is not 24 bits) then color conversion is required
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55 UINT16 red,green,blue;
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56 UINT32 lightness;
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57
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58
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59 red=r2d_red(color);
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60 green=r2d_green(color);
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61 blue=r2d_blue(color);
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62
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63 // Compute global intensity for monochrome LCD
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64 lightness=(~((r2d_max_color(red,green,blue) + r2d_min_color(red,green,blue)) >> 1) & 0xFF);
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65
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66 #if (R2D_DITHERING == R2D_ON)
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67 {
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68 UINT32 dvalue;
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69 UINT16 dithering_group;
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70
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71 r2d_dithering_group_and_lightness();
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72
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73 r2d_dithered_value(0,0)
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74 r2d_set_dithering_matrix_entry(gc->p_foreground_dithered_cache,
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75 dvalue,0,0);
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76
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77 r2d_dithered_value(0,1)
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78 r2d_set_dithering_matrix_entry(gc->p_foreground_dithered_cache,
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79 dvalue,0,1);
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80
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81 r2d_dithered_value(1,1)
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82 r2d_set_dithering_matrix_entry(gc->p_foreground_dithered_cache,
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83 dvalue,1,1);
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84
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85 r2d_dithered_value(1,0)
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86 r2d_set_dithering_matrix_entry(gc->p_foreground_dithered_cache,
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87 dvalue,1,0);
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88
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89
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90 }
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91 #else
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92 lightness=(lightness >> (8 - R2D_PIXEL_DEPTH)) & R2D_PIXEL_MASK;
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93 gc->foreground_pixel_value=lightness;
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94 #endif
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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 // Return the pixel value to write on the LCD or the offscreen
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101 // pixmap
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102 // LCD DEPENDENT
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103 void r2d_convert_background_color(T_R2D_GC *gc,UINT32 color)
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104 {
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105
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106 // If one is writing to the LCD framebuffer (the only
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107 // one which is not 24 bits) then color conversion is required
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108 UINT16 red,green,blue;
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109 UINT32 lightness;
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110
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111
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112 red=r2d_red(color);
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113 green=r2d_green(color);
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114 blue=r2d_blue(color);
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115
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116 // Compute global intensity for monochrome LCD
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117 lightness=(~((r2d_max_color(red,green,blue) + r2d_min_color(red,green,blue)) >> 1) & 0xFF);
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118
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119 #if (R2D_DITHERING == R2D_ON)
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120 {
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121 UINT32 dvalue;
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122 UINT16 dithering_group;
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123
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124 r2d_dithering_group_and_lightness();
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125
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126
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127 r2d_dithered_value(0,0)
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128 r2d_set_dithering_matrix_entry(gc->p_background_dithered_cache,
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129 dvalue,0,0);
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130
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131 r2d_dithered_value(0,1)
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132 r2d_set_dithering_matrix_entry(gc->p_background_dithered_cache,
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133 dvalue,0,1);
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134
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135 r2d_dithered_value(1,1)
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136 r2d_set_dithering_matrix_entry(gc->p_background_dithered_cache,
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137 dvalue,1,1);
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138
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139 r2d_dithered_value(1,0)
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140 r2d_set_dithering_matrix_entry(gc->p_background_dithered_cache,
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141 dvalue,1,0);
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142
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143
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144 }
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145 #else
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146 lightness=(lightness >> (8 - R2D_PIXEL_DEPTH)) & R2D_PIXEL_MASK;
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147 gc->background_pixel_value=lightness;
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148 #endif
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149
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150
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151
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152
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153
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154 }
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155
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156 // blit_rect may use the foreground and background color
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157 // to do the copy. So, one must knows which source pixels
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158 // are corresponding to the background color,
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159 // which ones are corresponding to the foreground color
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160 // and do the conversion of the color selected
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161 // according to the destination framebuffer
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162
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163 // This files gives routines for:
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164 // - Selecting a color according to the value in the LCD framebuffer
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165 // - Converting a color to LCD
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166
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167
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168 // Convert a LCD value (not color) to a value
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169 // to be written into the 24bpp framebuffer
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170 // In general, the value written is a packed
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171 // representation of the ARGB color
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172 // but it may be different according to the framebuffer
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173 // internal format
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174 BOOLEAN r2d_lcd_foreground_pixel(UINT32 lcd_value,T_R2D_GC_PTR src_gc)
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175 {
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176 if (lcd_value)
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177 return(TRUE); // Foreground pixel
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178 else
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179 return(FALSE); // Background pixel
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180 }
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181
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182 // Assume than color framebuffer contains ARGB packed values
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183 // Convert color to LCD with on the fly dithering
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184 UINT32 r2d_color_to_lcd(UINT32 pixel_value,INT16 x,INT16 y)
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185 {
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186
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187 INT16 red,green,blue;
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188 UINT32 lightness;
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189 UINT32 dvalue;
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190 UINT16 dithering_group;
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191
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192 pixel_value=(~pixel_value) & 0x00FFFFFF;
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193 red=r2d_red(pixel_value);
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194 green=r2d_green(pixel_value);
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195 blue=r2d_blue(pixel_value);
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196
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197 // Compute global intensity for monochrome LCD
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198 lightness=(~((r2d_max_color(red,green,blue) + r2d_min_color(red,green,blue)) >> 1) & 0xFF);
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199
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200
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201 r2d_dithering_group_and_lightness();
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202
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203 r2d_dithered_value(x & 1,y & 1);
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204
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205 return(dvalue);
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parents:
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206 }
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207
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208 // Lcd to pixel value
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209 UINT32 r2d_lcd_to_color(UINT32 color)
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parents:
diff changeset
210 {
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parents:
diff changeset
211
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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212 if (color)
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parents:
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213 return(0x00FFFFFF); // 24 bpp framebuffer pixel value for white
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parents:
diff changeset
214 else
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parents:
diff changeset
215 return(0x00000000);
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parents:
diff changeset
216 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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217
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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218
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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219