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/*
* GooCanvas. Copyright (C) 2005-8 Damon Chaplin.
* Released under the GNU LGPL license. See COPYING for details.
*
* goocanvasgrid.h - a grid item.
*/
#ifndef __GOO_CANVAS_GRID_H__
#define __GOO_CANVAS_GRID_H__
#include <gtk/gtk.h>
#include "goocanvasitemsimple.h"
G_BEGIN_DECLS
/* This is the data used by both model and view classes. */
typedef struct _GooCanvasGridData GooCanvasGridData;
struct _GooCanvasGridData
{
/* The area that the grid covers. */
gdouble x, y, width, height;
/* The distance between grid lines. */
gdouble x_step, y_step;
/* The offset before the first grid line. */
gdouble x_offset, y_offset;
/* The widths of the grid lines, or -ve to use item's stroke width. */
gdouble horz_grid_line_width, vert_grid_line_width;
/* The color/pattern for the grid lines, or NULL to use the stroke color. */
cairo_pattern_t *horz_grid_line_pattern, *vert_grid_line_pattern;
/* The width of the border around the grid, or -1 for no border. */
gdouble border_width;
/* The color/pattern for the border, or NULL to use the stroke color. */
cairo_pattern_t *border_pattern;
/* If the horizontal and vertical grid lines should be shown. */
guint show_horz_grid_lines : 1;
guint show_vert_grid_lines : 1;
/* If vertical grid lines are drawn on top. */
guint vert_grid_lines_on_top : 1;
};
#define GOO_TYPE_CANVAS_GRID (goo_canvas_grid_get_type ())
#define GOO_CANVAS_GRID(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GOO_TYPE_CANVAS_GRID, GooCanvasGrid))
#define GOO_CANVAS_GRID_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GOO_TYPE_CANVAS_GRID, GooCanvasGridClass))
#define GOO_IS_CANVAS_GRID(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GOO_TYPE_CANVAS_GRID))
#define GOO_IS_CANVAS_GRID_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GOO_TYPE_CANVAS_GRID))
#define GOO_CANVAS_GRID_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GOO_TYPE_CANVAS_GRID, GooCanvasGridClass))
typedef struct _GooCanvasGrid GooCanvasGrid;
typedef struct _GooCanvasGridClass GooCanvasGridClass;
/**
* GooCanvasGrid
*
* The #GooCanvasGrid-struct struct contains private data only.
*/
struct _GooCanvasGrid
{
GooCanvasItemSimple parent_object;
GooCanvasGridData *grid_data;
};
struct _GooCanvasGridClass
{
GooCanvasItemSimpleClass parent_class;
/*< private >*/
/* Padding for future expansion */
void (*_goo_canvas_reserved1) (void);
void (*_goo_canvas_reserved2) (void);
void (*_goo_canvas_reserved3) (void);
void (*_goo_canvas_reserved4) (void);
};
GType goo_canvas_grid_get_type (void) G_GNUC_CONST;
GooCanvasItem* goo_canvas_grid_new (GooCanvasItem *parent,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
gdouble x_step,
gdouble y_step,
gdouble x_offset,
gdouble y_offset,
...);
#define GOO_TYPE_CANVAS_GRID_MODEL (goo_canvas_grid_model_get_type ())
#define GOO_CANVAS_GRID_MODEL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GOO_TYPE_CANVAS_GRID_MODEL, GooCanvasGridModel))
#define GOO_CANVAS_GRID_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GOO_TYPE_CANVAS_GRID_MODEL, GooCanvasGridModelClass))
#define GOO_IS_CANVAS_GRID_MODEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GOO_TYPE_CANVAS_GRID_MODEL))
#define GOO_IS_CANVAS_GRID_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GOO_TYPE_CANVAS_GRID_MODEL))
#define GOO_CANVAS_GRID_MODEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GOO_TYPE_CANVAS_GRID_MODEL, GooCanvasGridModelClass))
typedef struct _GooCanvasGridModel GooCanvasGridModel;
typedef struct _GooCanvasGridModelClass GooCanvasGridModelClass;
/**
* GooCanvasGridModel
*
* The #GooCanvasGridModel-struct struct contains private data only.
*/
struct _GooCanvasGridModel
{
GooCanvasItemModelSimple parent_object;
GooCanvasGridData grid_data;
};
struct _GooCanvasGridModelClass
{
GooCanvasItemModelSimpleClass parent_class;
/*< private >*/
/* Padding for future expansion */
void (*_goo_canvas_reserved1) (void);
void (*_goo_canvas_reserved2) (void);
void (*_goo_canvas_reserved3) (void);
void (*_goo_canvas_reserved4) (void);
};
GType goo_canvas_grid_model_get_type (void) G_GNUC_CONST;
GooCanvasItemModel* goo_canvas_grid_model_new (GooCanvasItemModel *parent,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
gdouble x_step,
gdouble y_step,
gdouble x_offset,
gdouble y_offset,
...);
G_END_DECLS
#endif /* __GOO_CANVAS_GRID_H__ */
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