GRASS GIS 7 Programmer's Manual
7.8.2(2019)-exported
cairodriver/write.c
Go to the documentation of this file.
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/*!
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\file lib/cairodriver/write.c
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\brief GRASS cairo display driver - write image (lower level functions)
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(C) 2007-2008 by Lars Ahlzen and the GRASS Development Team
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This program is free software under the GNU General Public License
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(>=v2). Read the file COPYING that comes with GRASS for details.
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\author Lars Ahlzen <lars ahlzen.com> (original contibutor)
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\author Glynn Clements
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*/
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#include "
cairodriver.h
"
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void
cairo_write_image
(
void
)
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{
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G_debug
(1,
"write_image"
);
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if
(!
ca
.
modified
)
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return
;
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if
(
ca
.
mapped
)
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return
;
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if
(!
cairo
|| !
surface
)
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return
;
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if
(
ca
.
file_type
==
FTYPE_PPM
) {
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G_debug
(1,
"Writing image to %s"
,
ca
.
file_name
);
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cairo_write_ppm
();
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}
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else
if
(
ca
.
file_type
==
FTYPE_BMP
) {
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G_debug
(1,
"Writing image to %s"
,
ca
.
file_name
);
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cairo_write_bmp
();
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}
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#if CAIRO_HAS_PNG_FUNCTIONS
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else
if
(
ca
.
file_type
==
FTYPE_PNG
) {
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G_debug
(1,
"Writing image to %s"
,
ca
.
file_name
);
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cairo_surface_write_to_png(
surface
,
ca
.
file_name
);
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}
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#endif
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#if CAIRO_HAS_XLIB_XRENDER_SURFACE
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else
if
(
ca
.
file_type
==
FTYPE_X11
) {
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G_debug
(1,
"Writing XID to %s"
,
ca
.
file_name
);
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cairo_write_xid
();
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}
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#endif
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/* vector format files are written directly to file */
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ca
.
modified
= 0;
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}
cairo_state::modified
int modified
Definition:
cairodriver.h:70
ca
struct cairo_state ca
Definition:
cairodriver/graph.c:42
cairo_state::mapped
int mapped
Definition:
cairodriver.h:71
cairo_write_xid
void cairo_write_xid(void)
Definition:
write_xid.c:6
cairo_state::file_type
int file_type
Definition:
cairodriver.h:66
cairo_write_image
void cairo_write_image(void)
Definition:
cairodriver/write.c:17
cairo_write_bmp
void cairo_write_bmp(void)
Definition:
cairodriver/write_bmp.c:65
cairo
cairo_t * cairo
Definition:
cairodriver/graph.c:46
cairo_write_ppm
void cairo_write_ppm(void)
Definition:
cairodriver/write_ppm.c:19
cairo_state::file_name
char * file_name
Definition:
cairodriver.h:65
surface
cairo_surface_t * surface
Definition:
cairodriver/graph.c:45
FTYPE_PNG
#define FTYPE_PNG
Definition:
cairodriver.h:55
cairodriver.h
GRASS cairo display driver - header file.
FTYPE_PPM
#define FTYPE_PPM
Definition:
cairodriver.h:53
G_debug
int G_debug(int level, const char *msg,...)
Print debugging message.
Definition:
debug.c:65
FTYPE_X11
#define FTYPE_X11
Definition:
cairodriver.h:59
FTYPE_BMP
#define FTYPE_BMP
Definition:
cairodriver.h:54
cairodriver
write.c
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