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-rw-r--r--app/display/gimpcanvasitem.h147
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diff --git a/app/display/gimpcanvasitem.h b/app/display/gimpcanvasitem.h
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpcanvasitem.h
+ * Copyright (C) 2010 Michael Natterer <mitch@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_CANVAS_ITEM_H__
+#define __GIMP_CANVAS_ITEM_H__
+
+
+#include "core/gimpobject.h"
+
+
+#define GIMP_TYPE_CANVAS_ITEM (gimp_canvas_item_get_type ())
+#define GIMP_CANVAS_ITEM(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_CANVAS_ITEM, GimpCanvasItem))
+#define GIMP_CANVAS_ITEM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_CANVAS_ITEM, GimpCanvasItemClass))
+#define GIMP_IS_CANVAS_ITEM(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_CANVAS_ITEM))
+#define GIMP_IS_CANVAS_ITEM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_CANVAS_ITEM))
+#define GIMP_CANVAS_ITEM_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_CANVAS_ITEM, GimpCanvasItemClass))
+
+
+typedef struct _GimpCanvasItemPrivate GimpCanvasItemPrivate;
+typedef struct _GimpCanvasItemClass GimpCanvasItemClass;
+
+struct _GimpCanvasItem
+{
+ GimpObject parent_instance;
+
+ GimpCanvasItemPrivate *private;
+};
+
+struct _GimpCanvasItemClass
+{
+ GimpObjectClass parent_class;
+
+ /* signals */
+ void (* update) (GimpCanvasItem *item,
+ cairo_region_t *region);
+
+ /* virtual functions */
+ void (* draw) (GimpCanvasItem *item,
+ cairo_t *cr);
+ cairo_region_t * (* get_extents) (GimpCanvasItem *item);
+
+ void (* stroke) (GimpCanvasItem *item,
+ cairo_t *cr);
+ void (* fill) (GimpCanvasItem *item,
+ cairo_t *cr);
+
+ gboolean (* hit) (GimpCanvasItem *item,
+ gdouble x,
+ gdouble y);
+};
+
+
+GType gimp_canvas_item_get_type (void) G_GNUC_CONST;
+
+GimpDisplayShell * gimp_canvas_item_get_shell (GimpCanvasItem *item);
+GimpImage * gimp_canvas_item_get_image (GimpCanvasItem *item);
+GtkWidget * gimp_canvas_item_get_canvas (GimpCanvasItem *item);
+
+void gimp_canvas_item_draw (GimpCanvasItem *item,
+ cairo_t *cr);
+cairo_region_t * gimp_canvas_item_get_extents (GimpCanvasItem *item);
+
+gboolean gimp_canvas_item_hit (GimpCanvasItem *item,
+ gdouble x,
+ gdouble y);
+
+void gimp_canvas_item_set_visible (GimpCanvasItem *item,
+ gboolean visible);
+gboolean gimp_canvas_item_get_visible (GimpCanvasItem *item);
+
+void gimp_canvas_item_set_line_cap (GimpCanvasItem *item,
+ cairo_line_cap_t line_cap);
+
+void gimp_canvas_item_set_highlight (GimpCanvasItem *item,
+ gboolean highlight);
+gboolean gimp_canvas_item_get_highlight (GimpCanvasItem *item);
+
+void gimp_canvas_item_begin_change (GimpCanvasItem *item);
+void gimp_canvas_item_end_change (GimpCanvasItem *item);
+
+void gimp_canvas_item_suspend_stroking (GimpCanvasItem *item);
+void gimp_canvas_item_resume_stroking (GimpCanvasItem *item);
+
+void gimp_canvas_item_suspend_filling (GimpCanvasItem *item);
+void gimp_canvas_item_resume_filling (GimpCanvasItem *item);
+
+void gimp_canvas_item_transform (GimpCanvasItem *item,
+ cairo_t *cr);
+void gimp_canvas_item_transform_xy (GimpCanvasItem *item,
+ gdouble x,
+ gdouble y,
+ gint *tx,
+ gint *ty);
+void gimp_canvas_item_transform_xy_f (GimpCanvasItem *item,
+ gdouble x,
+ gdouble y,
+ gdouble *tx,
+ gdouble *ty);
+gdouble gimp_canvas_item_transform_distance
+ (GimpCanvasItem *item,
+ gdouble x1,
+ gdouble y1,
+ gdouble x2,
+ gdouble y2);
+gdouble gimp_canvas_item_transform_distance_square
+ (GimpCanvasItem *item,
+ gdouble x1,
+ gdouble y1,
+ gdouble x2,
+ gdouble y2);
+void gimp_canvas_item_untransform_viewport
+ (GimpCanvasItem *item,
+ gint *x,
+ gint *y,
+ gint *w,
+ gint *h);
+
+
+/* protected */
+
+void _gimp_canvas_item_update (GimpCanvasItem *item,
+ cairo_region_t *region);
+gboolean _gimp_canvas_item_needs_update (GimpCanvasItem *item);
+void _gimp_canvas_item_stroke (GimpCanvasItem *item,
+ cairo_t *cr);
+void _gimp_canvas_item_fill (GimpCanvasItem *item,
+ cairo_t *cr);
+
+
+#endif /* __GIMP_CANVAS_ITEM_H__ */