GRASS GIS 8 Programmer's Manual
8.3.2(2024)-exported
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read_xid.c
Go to the documentation of this file.
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#include <grass/glocale.h>
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3
#include "
cairodriver.h
"
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void
cairo_read_xid
(
void
)
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{
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#if CAIRO_HAS_XLIB_XRENDER_SURFACE
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FILE *fp;
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char
buf[64];
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unsigned
long
xid;
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fp = fopen(
ca
.
file_name
,
"r"
);
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if
(!fp)
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G_fatal_error
(_(
"Unable to open input file <%s>"
),
ca
.
file_name
);
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if
(!fgets(buf,
sizeof
(buf), fp))
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G_fatal_error
(_(
"Unable to read input file <%s>"
),
ca
.
file_name
);
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if
(sscanf(buf,
"%lx"
, &xid) != 1)
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G_fatal_error
(_(
"Unable to parse input file <%s>"
),
ca
.
file_name
);
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fclose(fp);
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ca
.win = (Drawable)xid;
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#endif
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}
cairodriver.h
GRASS cairo display driver - header file.
ca
struct cairo_state ca
Definition
cairodriver/graph.c:42
G_fatal_error
void G_fatal_error(const char *msg,...)
Print a fatal error message to stderr.
Definition
gis/error.c:159
cairo_read_xid
void cairo_read_xid(void)
Definition
read_xid.c:5
cairo_state::file_name
char * file_name
Definition
cairodriver.h:66
cairodriver
read_xid.c
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