84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
/*
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* ld-canvas.h
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*
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* This file is a part of logdiag.
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* Copyright Přemysl Janouch 2010. All rights reserved.
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*
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* See the file LICENSE for licensing information.
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*
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*/
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#ifndef __LD_CANVAS_H__
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#define __LD_CANVAS_H__
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G_BEGIN_DECLS
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#define LD_TYPE_CANVAS (ld_canvas_get_type ())
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#define LD_CANVAS(obj) (G_TYPE_CHECK_INSTANCE_CAST \
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((obj), LD_TYPE_CANVAS, LdCanvas))
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#define LD_CANVAS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST \
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((klass), LD_TYPE_CANVAS, LdCanvasClass))
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#define LD_IS_CANVAS(obj) (G_TYPE_CHECK_INSTANCE_TYPE \
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((obj), LD_TYPE_CANVAS))
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#define LD_IS_CANVAS_CLASS(klass) (G_TYPE_CHECK_INSTANCE_TYPE \
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((klass), LD_TYPE_CANVAS))
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#define LD_CANVAS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS \
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((obj), LD_CANVAS, LdCanvasClass))
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typedef struct _LdCanvas LdCanvas;
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typedef struct _LdCanvasPrivate LdCanvasPrivate;
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typedef struct _LdCanvasClass LdCanvasClass;
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/**
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* LdCanvas:
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*/
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struct _LdCanvas
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{
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/*< private >*/
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GtkDrawingArea parent_instance;
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LdCanvasPrivate *priv;
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/*< public >*/
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};
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struct _LdCanvasClass
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{
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/*< private >*/
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GtkDrawingAreaClass parent_class;
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void (*set_scroll_adjustments) (LdCanvas *self,
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GtkAdjustment *horizontal, GtkAdjustment *vertical);
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};
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/**
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* LD_CANVAS_BASE_UNIT:
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*
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* The length of the base unit in milimetres.
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*/
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#define LD_CANVAS_BASE_UNIT_LENGTH 2.5
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GType ld_canvas_get_type (void) G_GNUC_CONST;
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LdCanvas *ld_canvas_new (void);
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void ld_canvas_set_document (LdCanvas *self, LdDocument *document);
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LdDocument *ld_canvas_get_document (LdCanvas *self);
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void ld_canvas_set_library (LdCanvas *self, LdLibrary *library);
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LdLibrary *ld_canvas_get_library (LdCanvas *self);
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void ld_canvas_translate_canvas_coordinates (LdCanvas *self,
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gdouble *x, gdouble *y);
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void ld_canvas_translate_document_coordinates (LdCanvas *self,
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gdouble *x, gdouble *y);
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/* TODO: The rest of the interface. */
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G_END_DECLS
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#endif /* ! __LD_CANVAS_H__ */
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