gsd_label.c File Reference

OGSF library - label management (lower level functions) More...

#include <grass/gis.h>
#include <grass/glocale.h>
#include <grass/gstypes.h>
#include "rgbpack.h"

Include dependency graph for gsd_label.c:

Go to the source code of this file.

Macros
#define	MAX_LIST   20

Functions
void	gs_put_label (const char *text, GLuint fontbase, int size, unsigned long color, int *pt)
	Put label. More...
void	gsd_remove_curr (void)
	Remove current label. More...
void	gsd_remove_all (void)
	Remove all labels from display list. More...
void	gsd_call_label (void)
	Call display list and draw defined labels – called from gsd_prim (gsd_call_lists) More...

Variables
GLuint	label_base
GLuint	label_id

Detailed Description

OGSF library - label management (lower level functions)

OGSF library - objects management (lower level functions)

GRASS OpenGL gsurf OGSF Library

(C) 1999-2008 by the GRASS Development Team

This program is free software under the GNU General Public License (>=v2). Read the file COPYING that comes with GRASS for details.

Author

Bill Brown USACERL (1991-1992)

Doxygenized by Martin Landa <landa.martin gmail.com> (May 2008)

GRASS OpenGL gsurf OGSF Library

(C) 1999-2008 by the GRASS Development Team

This program is free software under the GNU General Public License (>=v2). Read the file COPYING that comes with GRASS for details.

Author

Bill Brown USACERL (October 1993)

Doxygenized by Martin Landa <landa.martin gmail.com> (May 2008)

Definition in file gsd_label.c.

Macro Definition Documentation

#define MAX_LIST   20

Definition at line 25 of file gsd_label.c.

Referenced by gs_put_label(), gsd_call_label(), and gsd_remove_all().

Function Documentation

void gs_put_label	(	const char *	text,
		GLuint	fontbase,
		int	size,
		unsigned long	color,
		int *	pt
	)

Put label.

Todo:

Allocate label dynamicaly

Parameters

fontbase	fontbase settings
size	font size
color	font color
pt

Definition at line 41 of file gsd_label.c.

References b, do_label_display(), first, G_warning(), gsd_bgn_legend_viewport(), gsd_color_func(), gsd_end_legend_viewport(), gsd_get_txtwidth(), l, label_base, label_id, MAX_LIST, r, X, and Y.

void gsd_call_label

(

void

)

Call display list and draw defined labels – called from gsd_prim (gsd_call_lists)

Definition at line 122 of file gsd_label.c.

References label_base, and MAX_LIST.

Referenced by gsd_calllists().

void gsd_remove_all

(

void

)

Remove all labels from display list.

Definition at line 111 of file gsd_label.c.

References label_base, label_id, and MAX_LIST.

void gsd_remove_curr

(

void

)

Remove current label.

Definition at line 97 of file gsd_label.c.

References label_id.

Variable Documentation

GLuint label_base

Definition at line 28 of file gsd_label.c.

Referenced by gs_put_label(), gsd_call_label(), and gsd_remove_all().

GLuint label_id

Definition at line 29 of file gsd_label.c.

Referenced by gs_put_label(), gsd_remove_all(), and gsd_remove_curr().