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

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

Include dependency graph for gsd_label.c:

Macros
#define	MAX_LIST 20

Functions
void	gs_put_label (const char text, GLuint fontbase, int size, unsigned long color, int pt)
	Put label.

void	gsd_remove_curr (void)
	Remove current label.

void	gsd_remove_all (void)
	Remove all labels from display list.

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

Variables
GLuint	label_base

GLuint	label_id

Detailed Description

OGSF library - label management (lower level functions)

GRASS OpenGL gsurf OGSF Library

SPDX-FileCopyrightText: 1999-2008 GRASS Development Team SPDX-License-Identifier: GPL-2.0-or-later

Author: Bill Brown USACERL (1991-1992); Doxygenized by Martin Landa <landa.martin gmail.com> (May 2008)

Definition in file gsd_label.c.

Macro Definition Documentation

◆ MAX_LIST

#define MAX_LIST 20

Definition at line 21 of file gsd_label.c.

Function Documentation

◆ gs_put_label()

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

Put label.

Todo:: Allocate label dynamically

Parameters

fontbase	fontbase settings
size	font size
color	font color
pt

Definition at line 37 of file gsd_label.c.

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

◆ gsd_call_label()

void gsd_call_label ( void )

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

Definition at line 115 of file gsd_label.c.

References label_base, and MAX_LIST.

Referenced by gsd_calllists().

◆ gsd_remove_all()

void gsd_remove_all ( void )

Remove all labels from display list.

Definition at line 103 of file gsd_label.c.

References label_base, label_id, and MAX_LIST.

◆ gsd_remove_curr()

void gsd_remove_curr ( void )

Remove current label.

Definition at line 90 of file gsd_label.c.

References label_id.

Variable Documentation

◆ label_base

GLuint label_base

Definition at line 24 of file gsd_label.c.

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

◆ label_id

GLuint label_id

Definition at line 25 of file gsd_label.c.

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

Macros

Functions

Variables