101 lines
2.0 KiB
C
101 lines
2.0 KiB
C
/*
|
|
* ld-types.h
|
|
*
|
|
* This file is a part of logdiag.
|
|
* Copyright Přemysl Janouch 2010 - 2011. All rights reserved.
|
|
*
|
|
* See the file LICENSE for licensing information.
|
|
*
|
|
*/
|
|
|
|
#ifndef __LD_TYPES_H__
|
|
#define __LD_TYPES_H__
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
|
|
/**
|
|
* SECTION:ld-types
|
|
* @short_description: Simple data types.
|
|
*
|
|
* #LdPoint defines coordinates of a point.
|
|
*
|
|
* #LdRectangle defines the position and size of a rectangle.
|
|
*/
|
|
|
|
#define LD_TYPE_POINT (ld_point_get_type ())
|
|
#define LD_TYPE_POINT_ARRAY (ld_point_array_get_type ())
|
|
#define LD_TYPE_RECTANGLE (ld_rectangle_get_type ())
|
|
|
|
typedef struct _LdPoint LdPoint;
|
|
typedef struct _LdPointArray LdPointArray;
|
|
typedef struct _LdRectangle LdRectangle;
|
|
|
|
|
|
/**
|
|
* LdPoint:
|
|
* @x: The X coordinate.
|
|
* @y: The Y coordinate.
|
|
*
|
|
* Defines a point.
|
|
*/
|
|
struct _LdPoint
|
|
{
|
|
gdouble x, y;
|
|
};
|
|
|
|
GType ld_point_get_type (void) G_GNUC_CONST;
|
|
|
|
LdPoint *ld_point_copy (const LdPoint *self);
|
|
void ld_point_free (LdPoint *self);
|
|
|
|
|
|
/**
|
|
* LdPointArray:
|
|
* @points: An array of #LdPoint structures.
|
|
* @num_points: Count of points in @points.
|
|
*
|
|
* Moves quickly.
|
|
*/
|
|
struct _LdPointArray
|
|
{
|
|
LdPoint *points;
|
|
gint num_points;
|
|
};
|
|
|
|
GType ld_point_array_get_type (void) G_GNUC_CONST;
|
|
|
|
LdPointArray *ld_point_array_new (gint num_points);
|
|
LdPointArray *ld_point_array_copy (const LdPointArray *self);
|
|
void ld_point_array_free (LdPointArray *self);
|
|
|
|
|
|
/**
|
|
* LdRectangle:
|
|
* @x: Left-top X coordinate.
|
|
* @y: Left-top Y coordinate.
|
|
* @width: Width of the area, must be positive.
|
|
* @height: Height of the area, must be positive.
|
|
*
|
|
* Defines a rectangle.
|
|
*/
|
|
struct _LdRectangle
|
|
{
|
|
gdouble x, y;
|
|
gdouble width, height;
|
|
};
|
|
|
|
GType ld_rectangle_get_type (void) G_GNUC_CONST;
|
|
|
|
LdRectangle *ld_rectangle_copy (const LdRectangle *self);
|
|
void ld_rectangle_free (LdRectangle *self);
|
|
gboolean ld_rectangle_contains (LdRectangle *self, gdouble x, gdouble y);
|
|
gboolean ld_rectangle_intersects (LdRectangle *self, LdRectangle *rect);
|
|
void ld_rectangle_extend (LdRectangle *self, gdouble border);
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* ! __LD_TYPES_H__ */
|
|
|