FreeCalypso > hg > fc-tourmaline
diff src/cs/drivers/drv_app/r2d/lcds/ColorBoard/R2D_board_color_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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cs/drivers/drv_app/r2d/lcds/ColorBoard/R2D_board_color_lcd_i.c Fri Oct 16 06:23:26 2020 +0000 @@ -0,0 +1,212 @@ + + +static UINT32 r2d_lcd_copy_operator(UINT32 old,UINT32 value) +{ + return(value); +} +static UINT32 r2d_lcd_or_operator(UINT32 old,UINT32 value) +{ + if ((value&0x0FF)==0) + return(old); + else + return(value); +} +static UINT32 r2d_lcd_and_operator(UINT32 old,UINT32 value) +{ + return(old & value); +} +static UINT32 r2d_lcd_xor_operator(UINT32 old,UINT32 value) +{ + return(old ^ value) ; +} +static UINT32 r2d_lcd_not_copy_operator(UINT32 old,UINT32 value) +{ + return(~value); +} +static UINT32 r2d_lcd_not_or_operator(UINT32 old,UINT32 value) +{ + return(~(old | value)); +} +static UINT32 r2d_lcd_not_and_operator(UINT32 old,UINT32 value) +{ + return(~(old & value)); +} +static UINT32 r2d_lcd_not_xor_operator(UINT32 old,UINT32 value) +{ + return(~(old ^ value)) ; +} +static UINT32 r2d_lcd_erase_operator(UINT32 old,UINT32 value) +{ + if ((value&0x0FF)==0xFF) + return(0); + else + return(old); +} + + +UINT32 r2d_lcd_alpha_operator(UINT32 old,UINT32 value) +{ + INT16 a,rs,gs,bs,rd,gd,bd; + + a=(value >> 8) & 0x0FF; + + if (a) + { + + value=(~value) & 0xFF; + old=(~old) & 0xFF; + + + bs=value&0x3; + value=value>>2; + gs=value&7; + value=value>>3; + rs=value&7; + + + bd=old&0x3; + old=old>>2; + gd=old&7; + old=old>>3; + rd=old&7; + + // Pixel value has been complemented before being + // saved so that the white correspond to 0 and be + // compatible with formulas for other modes. + // But alpha value is not complemented + // So a=0xFF correspond tranparency + bd=((a)*bd+(0x100 - a)*bs) >> 8; + gd=((a)*gd+(0x100 - a)*gs) >> 8; + rd=((a)*rd+(0x100 - a)*rs) >> 8; + + rd=rd<<5; + gd=gd<<2; + + old=(~(rd|gd|bd)) & 0x00FF; + return(old); + } + else + return(value); +} + + +const T_R2D_DRAWING_OPERATORS r2d_g_lcd_operators= +{ + &r2d_lcd_copy_operator, + &r2d_lcd_or_operator, + &r2d_lcd_and_operator, + &r2d_lcd_xor_operator, + &r2d_lcd_not_copy_operator, + &r2d_lcd_not_or_operator, + &r2d_lcd_not_and_operator, + &r2d_lcd_not_xor_operator, + &r2d_lcd_alpha_operator, + &r2d_lcd_erase_operator +}; + + +// Return the pixel value to write on the LCD or the offscreen +// pixmap +// (Convert Riviera color to Windows RGB Format with complement) +void r2d_convert_foreground_color(T_R2D_GC *gc,UINT32 color) +{ + INT16 r,g,b,a; + + gc->foreground_pixel_value=0; + + a=(r2d_alpha(color)) <<8; + gc->foreground_pixel_value|=a; + + r=(r2d_red(color)) >> 5; + g=(r2d_green(color)) >> 5; + b=(r2d_blue(color)) >> 6; + + gc->foreground_pixel_value|= (~((r<<5) | (g<<2) | b)) & 0x0FFFF; + + +} + +// Return the pixel value to write on the LCD or the offscreen +// pixmap +// (Convert riviera color to windows RGB format with complement) +void r2d_convert_background_color(T_R2D_GC *gc,UINT32 color) +{ + INT16 r,g,b,a; + + gc->background_pixel_value=0; + + a=(r2d_alpha(color)) <<8; + gc->background_pixel_value|=a; + + r=(r2d_red(color)) >> 5; + g=(r2d_green(color)) >> 5; + b=(r2d_blue(color)) >> 6; + + gc->background_pixel_value|= (~((r<<5) | (g<<2) | b)) & 0xFF; + +} + + + +// Convert a LCD value (not color) to a value +// to be written into the 24bpp framebuffer +// In general, the value written is a packed +// representation of the ARGB color +// but it may be different according to the framebuffer +// internal format +BOOLEAN r2d_lcd_foreground_pixel(UINT32 lcd_value,T_R2D_GC_PTR src_gc) +{ + if (lcd_value) + return(TRUE); + else + return(FALSE); +} + +// Color framebuffer to color LCD +UINT32 r2d_color_to_lcd(UINT32 pixel_value,INT16 x,INT16 y) +{ + + INT16 red,green,blue; + UINT32 alpha; + + alpha=pixel_value & 0xFF000000; + alpha=alpha >> 16; + + + pixel_value=(~pixel_value) & 0x00FFFFFF; + red=r2d_red(pixel_value); + green=r2d_green(pixel_value); + blue=r2d_blue(pixel_value); + + red=red>>5; + green=green>>5; + blue=blue>>6; + + return(((~((red<<5) | (green << 2) | blue)) & 0x00FF) | alpha); +} + +// Color LCD to color framebuffer +UINT32 r2d_lcd_to_color(UINT32 color) +{ + + INT16 r,g,b; + UINT32 alpha; + + alpha=color & 0xFF00; + alpha=alpha << 16; + + color=~color; + b=color&0x3; + color=color>>2; + g=color&7; + color=color>>3; + r=color&7; + + b=b<<6; + g=g<<5; + r=r<<5; + + return(((~((r<<16) + (g<<8)+b)) & 0x00FFFFFF) | alpha); +} + +