FreeCalypso > hg > fc-tourmaline
view src/cs/drivers/drv_app/r2d/lcds/ColorBoard/R2D_board_color_lcd_i.c @ 217:6541e43f88e5
R2D display on/off control implemented
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 24 Apr 2021 23:38:18 +0000 |
parents | 4e78acac3d88 |
children |
line wrap: on
line source
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); }