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-rw-r--r--liblogdiag/ld-types.h101
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diff --git a/liblogdiag/ld-types.h b/liblogdiag/ld-types.h
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+/*
+ * 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);
+gdouble ld_point_distance (LdPoint *self, gdouble x, gdouble y);
+
+
+/**
+ * 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__ */
+