GRASS GIS 7 Programmer's Manual
7.0.5(2016)-r00000
cairodriver/erase.c
Go to the documentation of this file.
1
15
#include "
cairodriver.h
"
16
20
void
Cairo_Erase
(
void
)
21
{
22
G_debug
(1,
"Cairo_Erase"
);
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24
cairo_save(
cairo
);
25
cairo_set_source_rgba(
cairo
,
ca
.
bgcolor_r
,
ca
.
bgcolor_g
,
ca
.
bgcolor_b
,
ca
.
bgcolor_a
);
26
cairo_set_operator(
cairo
, CAIRO_OPERATOR_SOURCE);
27
cairo_paint(
cairo
);
28
cairo_restore(
cairo
);
29
30
ca
.
modified
= 1;
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32
return
;
33
}
cairo_state::bgcolor_a
double bgcolor_a
Definition:
cairodriver.h:69
ca
struct cairo_state ca
Definition:
cairodriver/graph.c:42
cairo_state::bgcolor_r
double bgcolor_r
Definition:
cairodriver.h:69
cairo_state::bgcolor_b
double bgcolor_b
Definition:
cairodriver.h:69
cairo
cairo_t * cairo
Definition:
cairodriver/graph.c:46
G_debug
int G_debug(int level, const char *msg,...)
Print debugging message.
Definition:
debug.c:65
cairodriver.h
GRASS cairo display driver - header file.
Cairo_Erase
void Cairo_Erase(void)
Erase screen.
Definition:
cairodriver/erase.c:20
cairo_state::modified
int modified
Definition:
cairodriver.h:70
cairo_state::bgcolor_g
double bgcolor_g
Definition:
cairodriver.h:69
cairodriver
erase.c
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