Description

Macros
#define	MULTICOL(a, b, c, d) ((a)\|((b)<<8)\|((c)<<16)\|((d)<<24))
	Multiply color pattern (used in mode GF_COLOR)

#define	CGACOL_0 0
	CGA 0x000000 black.

#define	CGACOL_1 2
	CGA 0x0000C3 dark blue.

#define	CGACOL_2 20
	CGA 0x00C300 dark green.

#define	CGACOL_3 22
	CGA 0x00C3C3 dark cyan.

#define	CGACOL_4 160
	CGA 0xC30000 dark red.

#define	CGACOL_5 162
	CGA 0xC300C3 dark magenta.

#define	CGACOL_6 168
	CGA 0xC35400 brown.

#define	CGACOL_7 182
	CGA 0xC3C3C3 light gray.

#define	CGACOL_8 73
	CGA 0x545454 dark gray.

#define	CGACOL_9 75
	CGA 0x5454FF light blue.

#define	CGACOL_10 93
	CGA 0x54FF54 light green.

#define	CGACOL_11 95
	CGA 0x54FFFF light cyan.

#define	CGACOL_12 233
	CGA 0xFF5454 light red.

#define	CGACOL_13 235
	CGA 0xFF54FF light magenta.

#define	CGACOL_14 253
	CGA 0xFFFF54 yellow.

#define	CGACOL_15 255
	CGA 0xFFFFFF white.

#define	ZXCOL_0 0
	ZX Spectrum 0x000000 black.

#define	ZXCOL_1 2
	ZX Spectrum 0x0000C3 dark blue.

#define	ZXCOL_2 160
	ZX Spectrum 0xC30000 dark red.

#define	ZXCOL_3 162
	ZX Spectrum 0xC300C3 dark magenta.

#define	ZXCOL_4 20
	ZX Spectrum 0x00C300 dark green.

#define	ZXCOL_5 22
	ZX Spectrum 0x00C3C3 dark cyan.

#define	ZXCOL_6 180
	ZX Spectrum 0xC3C300 dark yellow.

#define	ZXCOL_7 182
	ZX Spectrum 0xC3C3C3 light gray.

#define	ZXCOL_8 73
	ZX Spectrum 0x545454 dark gray.

#define	ZXCOL_9 3
	ZX Spectrum 0x0000FF light blue.

#define	ZXCOL_10 224
	ZX Spectrum 0xFF0000 light red.

#define	ZXCOL_11 227
	ZX Spectrum 0xFF00FF light magenta.

#define	ZXCOL_12 28
	ZX Spectrum 0x00FF00 light green.

#define	ZXCOL_13 31
	ZX Spectrum 0x00FFFF light cyan.

#define	ZXCOL_14 252
	ZX Spectrum 0xFFFF00 yellow.

#define	ZXCOL_15 255
	ZX Spectrum 0xFFFFFF white.

#define	COL_BLACK 0

#define	COL_DARKBLUE B0

#define	COL_SEMIBLUE B1

#define	COL_BLUE (B0+B1)

#define	COL_MOREBLUE (COL_BLUE+B3+B6)

#define	COL_LIGHTBLUE (COL_BLUE+B4+B7)

#define	COL_DARKGREEN B3

#define	COL_SEMIGREEN B4

#define	COL_GREEN (B2+B3+B4)

#define	COL_MOREGREEN (COL_GREEN+B0+B6)

#define	COL_LIGHTGREEN (COL_GREEN+B1+B7)

#define	COL_DARKRED B6

#define	COL_SEMIRED B7

#define	COL_RED (B5+B6+B7)

#define	COL_MORERED (COL_RED+B0+B3)

#define	COL_LIGHTRED (COL_RED+B1+B4)

#define	COL_DARKCYAN (B0+B3)

#define	COL_SEMICYAN (B1+B4)

#define	COL_CYAN (B0+B1+B2+B3+B4)

#define	COL_DARKMAGENTA (B0+B6)

#define	COL_SEMIMAGENTA (B1+B7)

#define	COL_MAGENTA (B0+B1+B5+B6+B7)

#define	COL_DARKYELLOW (B3+B6)

#define	COL_SEMIYELLOW (B4+B7)

#define	COL_YELLOW (B2+B3+B4+B5+B6+B7)

#define	COL_GRAY0 0

#define	COL_GRAY1 (B2+B5)

#define	COL_GRAY2 (B0+B3+B6)

#define	COL_GRAY3 (B0+B2+B3+B5+B6)

#define	COL_GRAY4 (B1+B4+B7)

#define	COL_GRAY5 (B1+B2+B4+B5+B7)

#define	COL_GRAY6 (B0+B1+B3+B4+B6+B7)

#define	COL_GRAY7 (B0+B1+B2+B3+B4+B5+B6+B7)

#define	COL_WHITE COL_GRAY7

#define	COLRGB(r, g, b) ((u8)(((r)&0xe0)\|(((g)&0xe0)>>3)\|((b)>>6)))
	compose color from RGB

Functions
int	ColDist (u8 col1, u8 col2)
	Distance of 2 colors in 332 format (R3G3B2) More...

void	GenGrad (u8 *dst, int w)
	Generate gradient. More...

Variables
u8	DefPal16 [16]
	default 16-color palettes (CGA colors)

u8	ZXPal16 [16]
	ZX Spectrum color palettes.

u8	PalCGA1 [4]
	4-color CGA palette 0, low intensity (black, dark green, brown)

u8	PalCGA2 [4]
	4-color CGA palette 0, high intensity (black, light green, light red, yellow)

u8	PalCGA3 [4]
	4-color CGA palette 1, low intensity (black, dark cyan, dark magenta, light gray)

u8	PalCGA4 [4]
	4-color CGA palette 1, high intensity (black, light cyan, light magenta, white)

u8	PalCGA5 [4]
	4-color CGA palette 1, low intensity (black, dark cyan, dark red, light gray)

u8	PalCGA6 [4]
	4-color CGA palette 1, high intensity (black, light cyan, light red, white)

u8	RGVal [8]
	Values of Red and Green components.

u8	BVal [4]
	Values of Blue components.

Function Documentation

◆ ColDist()

int ColDist	(	u8	col1,
		u8	col2
	)

Distance of 2 colors in 332 format (R3G3B2)

Parameters

col1	First color
col2	Second color

Returns: Distance value 0..195075

◆ GenGrad()

void GenGrad	(	u8 *	dst,
		int	w
	)

Generate gradient.

Parameters

dst	Destination
w	Width

Description

Macros

Functions

Variables

Function Documentation

◆ ColDist()

◆ GenGrad()