FreeCalypso > hg > fc-tourmaline
comparison src/cs/drivers/drv_app/r2d/lcds/Horizontal/R2D_horizontal_lcd_i.c @ 0:4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 16 Oct 2020 06:23:26 +0000 |
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-1:000000000000 | 0:4e78acac3d88 |
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1 static UINT32 r2d_lcd_copy_operator(UINT32 old,UINT32 value) | |
2 { | |
3 return(value); | |
4 } | |
5 static UINT32 r2d_lcd_or_operator(UINT32 old,UINT32 value) | |
6 { | |
7 return(old | value) ; | |
8 } | |
9 static UINT32 r2d_lcd_and_operator(UINT32 old,UINT32 value) | |
10 { | |
11 return(old & value); | |
12 } | |
13 static UINT32 r2d_lcd_xor_operator(UINT32 old,UINT32 value) | |
14 { | |
15 return(old ^ value) ; | |
16 } | |
17 static UINT32 r2d_lcd_not_copy_operator(UINT32 old,UINT32 value) | |
18 { | |
19 return(~value); | |
20 } | |
21 static UINT32 r2d_lcd_not_or_operator(UINT32 old,UINT32 value) | |
22 { | |
23 return(~(old | value)); | |
24 } | |
25 static UINT32 r2d_lcd_not_and_operator(UINT32 old,UINT32 value) | |
26 { | |
27 return(~(old & value)); | |
28 } | |
29 static UINT32 r2d_lcd_not_xor_operator(UINT32 old,UINT32 value) | |
30 { | |
31 return(~(old ^ value)) ; | |
32 } | |
33 | |
34 const T_R2D_DRAWING_OPERATORS r2d_g_lcd_operators= | |
35 { | |
36 &r2d_lcd_copy_operator, | |
37 &r2d_lcd_or_operator, | |
38 &r2d_lcd_and_operator, | |
39 &r2d_lcd_xor_operator, | |
40 &r2d_lcd_not_copy_operator, | |
41 &r2d_lcd_not_or_operator, | |
42 &r2d_lcd_not_and_operator, | |
43 &r2d_lcd_not_xor_operator, | |
44 NULL | |
45 }; | |
46 | |
47 // Return the pixel value to write on the LCD or the offscreen | |
48 // pixmap | |
49 // LCD DEPENDENT | |
50 void r2d_convert_foreground_color(T_R2D_GC *gc,UINT32 color) | |
51 { | |
52 | |
53 // If one is writing to the LCD framebuffer (the only | |
54 // one which is not 24 bits) then color conversion is required | |
55 UINT16 red,green,blue; | |
56 UINT32 lightness; | |
57 | |
58 | |
59 red=r2d_red(color); | |
60 green=r2d_green(color); | |
61 blue=r2d_blue(color); | |
62 | |
63 // Compute global intensity for monochrome LCD | |
64 lightness=(~((r2d_max_color(red,green,blue) + r2d_min_color(red,green,blue)) >> 1) & 0xFF); | |
65 | |
66 #if (R2D_DITHERING == R2D_ON) | |
67 { | |
68 UINT32 dvalue; | |
69 UINT16 dithering_group; | |
70 | |
71 r2d_dithering_group_and_lightness(); | |
72 | |
73 r2d_dithered_value(0,0) | |
74 r2d_set_dithering_matrix_entry(gc->p_foreground_dithered_cache, | |
75 dvalue,0,0); | |
76 | |
77 r2d_dithered_value(0,1) | |
78 r2d_set_dithering_matrix_entry(gc->p_foreground_dithered_cache, | |
79 dvalue,0,1); | |
80 | |
81 r2d_dithered_value(1,1) | |
82 r2d_set_dithering_matrix_entry(gc->p_foreground_dithered_cache, | |
83 dvalue,1,1); | |
84 | |
85 r2d_dithered_value(1,0) | |
86 r2d_set_dithering_matrix_entry(gc->p_foreground_dithered_cache, | |
87 dvalue,1,0); | |
88 | |
89 | |
90 } | |
91 #else | |
92 lightness=(lightness >> (8 - R2D_PIXEL_DEPTH)) & R2D_PIXEL_MASK; | |
93 gc->foreground_pixel_value=lightness; | |
94 #endif | |
95 | |
96 | |
97 | |
98 } | |
99 | |
100 // Return the pixel value to write on the LCD or the offscreen | |
101 // pixmap | |
102 // LCD DEPENDENT | |
103 void r2d_convert_background_color(T_R2D_GC *gc,UINT32 color) | |
104 { | |
105 | |
106 // If one is writing to the LCD framebuffer (the only | |
107 // one which is not 24 bits) then color conversion is required | |
108 UINT16 red,green,blue; | |
109 UINT32 lightness; | |
110 | |
111 | |
112 red=r2d_red(color); | |
113 green=r2d_green(color); | |
114 blue=r2d_blue(color); | |
115 | |
116 // Compute global intensity for monochrome LCD | |
117 lightness=(~((r2d_max_color(red,green,blue) + r2d_min_color(red,green,blue)) >> 1) & 0xFF); | |
118 | |
119 #if (R2D_DITHERING == R2D_ON) | |
120 { | |
121 UINT32 dvalue; | |
122 UINT16 dithering_group; | |
123 | |
124 r2d_dithering_group_and_lightness(); | |
125 | |
126 | |
127 r2d_dithered_value(0,0) | |
128 r2d_set_dithering_matrix_entry(gc->p_background_dithered_cache, | |
129 dvalue,0,0); | |
130 | |
131 r2d_dithered_value(0,1) | |
132 r2d_set_dithering_matrix_entry(gc->p_background_dithered_cache, | |
133 dvalue,0,1); | |
134 | |
135 r2d_dithered_value(1,1) | |
136 r2d_set_dithering_matrix_entry(gc->p_background_dithered_cache, | |
137 dvalue,1,1); | |
138 | |
139 r2d_dithered_value(1,0) | |
140 r2d_set_dithering_matrix_entry(gc->p_background_dithered_cache, | |
141 dvalue,1,0); | |
142 | |
143 | |
144 } | |
145 #else | |
146 lightness=(lightness >> (8 - R2D_PIXEL_DEPTH)) & R2D_PIXEL_MASK; | |
147 gc->background_pixel_value=lightness; | |
148 #endif | |
149 | |
150 | |
151 | |
152 | |
153 | |
154 } | |
155 | |
156 // blit_rect may use the foreground and background color | |
157 // to do the copy. So, one must knows which source pixels | |
158 // are corresponding to the background color, | |
159 // which ones are corresponding to the foreground color | |
160 // and do the conversion of the color selected | |
161 // according to the destination framebuffer | |
162 | |
163 // This files gives routines for: | |
164 // - Selecting a color according to the value in the LCD framebuffer | |
165 // - Converting a color to LCD | |
166 | |
167 | |
168 // Convert a LCD value (not color) to a value | |
169 // to be written into the 24bpp framebuffer | |
170 // In general, the value written is a packed | |
171 // representation of the ARGB color | |
172 // but it may be different according to the framebuffer | |
173 // internal format | |
174 BOOLEAN r2d_lcd_foreground_pixel(UINT32 lcd_value,T_R2D_GC_PTR src_gc) | |
175 { | |
176 if (lcd_value) | |
177 return(TRUE); // Foreground pixel | |
178 else | |
179 return(FALSE); // Background pixel | |
180 } | |
181 | |
182 // Assume than color framebuffer contains ARGB packed values | |
183 // Convert color to LCD with on the fly dithering | |
184 UINT32 r2d_color_to_lcd(UINT32 pixel_value,INT16 x,INT16 y) | |
185 { | |
186 | |
187 INT16 red,green,blue; | |
188 UINT32 lightness; | |
189 UINT32 dvalue; | |
190 UINT16 dithering_group; | |
191 | |
192 pixel_value=(~pixel_value) & 0x00FFFFFF; | |
193 red=r2d_red(pixel_value); | |
194 green=r2d_green(pixel_value); | |
195 blue=r2d_blue(pixel_value); | |
196 | |
197 // Compute global intensity for monochrome LCD | |
198 lightness=(~((r2d_max_color(red,green,blue) + r2d_min_color(red,green,blue)) >> 1) & 0xFF); | |
199 | |
200 | |
201 r2d_dithering_group_and_lightness(); | |
202 | |
203 r2d_dithered_value(x & 1,y & 1); | |
204 | |
205 return(dvalue); | |
206 } | |
207 | |
208 // Lcd to pixel value | |
209 UINT32 r2d_lcd_to_color(UINT32 color) | |
210 { | |
211 | |
212 if (color) | |
213 return(0x00FFFFFF); // 24 bpp framebuffer pixel value for white | |
214 else | |
215 return(0x00000000); | |
216 } | |
217 | |
218 | |
219 |