GRASS Programmer's Manual
6.4.2(2012)
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Poly.c
Go to the documentation of this file.
1
#include "
cairodriver.h
"
2
3
void
do_polygon
(
const
int
*xarray,
const
int
*yarray,
int
count)
4
{
5
int
i;
6
7
cairo_move_to(
cairo
, xarray[0], yarray[0]);
8
for
(i = 1; i < count; i++)
9
cairo_line_to(
cairo
, xarray[i], yarray[i]);
10
}
11
12
void
Cairo_Polygon_abs
(
const
int
*xarray,
const
int
*yarray,
int
count)
13
{
14
G_debug
(3,
"Cairo_Polygon_abs (%d points)"
, count);
15
do_polygon
(xarray, yarray, count);
16
cairo_fill(
cairo
);
17
}
18
19
void
Cairo_Polyline_abs
(
const
int
*xarray,
const
int
*yarray,
int
count)
20
{
21
G_debug
(3,
"Cairo_Polyline_abs (%d points)"
, count);
22
do_polygon
(xarray, yarray, count);
23
cairo_stroke(
cairo
);
24
}
lib
cairodriver
Poly.c
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