src/geo.c File Reference

Determine who should be re-drawed.

When part of graphic are chagned, not mater size, shape, or position, the components effected or overlaid should be re-drawed. This module figures out components that should be re-drawed. More...

#include <stdio.h>
#include <string.h>
#include "mb_types.h"

Go to the source code of this file.

Functions
static int	is_scale_overlay (co_aix x1, co_aix w1, co_aix x2, co_aix w2)
static int	_is_overlay (area_t *r1, area_t *r2)
int	is_overlay (area_t *r1, area_t *r2)
void	area_init (area_t *area, int n_pos, co_aix pos[][2])
void	geo_init (geo_t *g)
void	geo_from_positions (geo_t *g, int n_pos, co_aix pos[][2])
void	geo_mark_overlay (geo_t *g, int n_others, geo_t **others, int *n_overlays, geo_t **overlays)

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Detailed Description

Determine who should be re-drawed.

When part of graphic are chagned, not mater size, shape, or position, the components effected or overlaid should be re-drawed. This module figures out components that should be re-drawed.

Definition in file geo.c.

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Function Documentation

static int _is_overlay	(	area_t *	r1,
		area_t *	r2
	)			[static]

Definition at line 22 of file geo.c.

void area_init	(	area_t *	area,
		int	n_pos,
		co_aix	pos[][2]
	)

Note:

{x=0, y=0, w=0, h=0} geometry value for a n_pos=0 request can prevent cursor flasing for Cairo XLib. (see changeset 21db69d46835)

Definition at line 34 of file geo.c.

void geo_from_positions	(	geo_t *	g,
		int	n_pos,
		co_aix	pos[][2]
	)

Definition at line 79 of file geo.c.

void geo_init

(

geo_t *

g

)

Definition at line 73 of file geo.c.

void geo_mark_overlay	(	geo_t *	g,
		int	n_others,
		geo_t **	others,
		int *	n_overlays,
		geo_t **	overlays
	)

Definition at line 83 of file geo.c.

int is_overlay	(	area_t *	r1,
		area_t *	r2
	)

Definition at line 30 of file geo.c.

static int is_scale_overlay	(	co_aix	x1,
		co_aix	w1,
		co_aix	x2,
		co_aix	w2
	)			[static]

Definition at line 11 of file geo.c.