GRASS GIS 7 Programmer's Manual
7.9.dev(2021)-e5379bbd7
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Pages
psdriver/color.c
Go to the documentation of this file.
1
2
#include <
grass/gis.h
>
3
#include "
psdriver.h
"
4
5
void
PS_Color
(
int
r
,
int
g
,
int
b
)
6
{
7
if
(
ps
.
true_color
)
8
output
(
"%d %d %d COLOR\n"
, r, g, b);
9
else
10
output
(
"%d GRAY\n"
, (
int
)(r * 0.299 + g * 0.587 + b * 0.114));
11
}
ps
struct ps_state ps
Definition:
psdriver/graph_set.c:26
psdriver.h
gis.h
ps_state::true_color
int true_color
Definition:
psdriver.h:15
b
double b
Definition:
r_raster.c:39
g
float g
Definition:
named_colr.c:8
PS_Color
void PS_Color(int r, int g, int b)
Definition:
psdriver/color.c:5
output
void output(const char *fmt,...)
Definition:
psdriver/graph_set.c:236
r
double r
Definition:
r_raster.c:39
lib
psdriver
color.c
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