GRASS GIS 8 Programmer's Manual 8.4.1(2025)-45ca3179ab
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rgbpack.h File Reference
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Go to the source code of this file.

Macros

#define RED_MASK   0x000000FF
 
#define GRN_MASK   0x0000FF00
 
#define BLU_MASK   0x00FF0000
 
#define INT_TO_RED(i, r)
 
#define INT_TO_GRN(i, g)
 
#define INT_TO_BLU(i, b)
 
#define RGB_TO_INT(r, g, b, i)
 
#define CONST_COLS   45
 
#define COLUMNS   9
 

Macro Definition Documentation

◆ BLU_MASK

#define BLU_MASK   0x00FF0000

Definition at line 6 of file rgbpack.h.

◆ COLUMNS

#define COLUMNS   9

Definition at line 17 of file rgbpack.h.

◆ CONST_COLS

#define CONST_COLS   45

Definition at line 16 of file rgbpack.h.

◆ GRN_MASK

#define GRN_MASK   0x0000FF00

Definition at line 5 of file rgbpack.h.

◆ INT_TO_BLU

#define INT_TO_BLU ( i,
b )
Value:
(b = (i & BLU_MASK) >> 16)
double b
#define BLU_MASK
Definition gsd_prim.c:50

Definition at line 10 of file rgbpack.h.

◆ INT_TO_GRN

#define INT_TO_GRN ( i,
g )
Value:
(g = (i & GRN_MASK) >> 8)
#define GRN_MASK
Definition gsd_prim.c:49
float g
Definition named_colr.c:7

Definition at line 9 of file rgbpack.h.

◆ INT_TO_RED

#define INT_TO_RED ( i,
r )
Value:
(r = (i & RED_MASK))
double r
#define RED_MASK
Definition gsd_prim.c:48

Definition at line 8 of file rgbpack.h.

◆ RED_MASK

#define RED_MASK   0x000000FF

Definition at line 4 of file rgbpack.h.

◆ RGB_TO_INT

#define RGB_TO_INT ( r,
g,
b,
i )
Value:
(i = (((r)&RED_MASK) + ((int)((g) << 8) & GRN_MASK) + \
((int)((b) << 16) & BLU_MASK)))

Definition at line 12 of file rgbpack.h.

Referenced by gsd_put_legend().