gimp/app/widgets/gimpoverlaychild.h

88 lines
4.3 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpoverlaychild.h
* Copyright (C) 2009 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_OVERLAY_CHILD_H__
#define __GIMP_OVERLAY_CHILD_H__
typedef struct _GimpOverlayChild GimpOverlayChild;
struct _GimpOverlayChild
{
GtkWidget *widget;
GdkWindow *window;
gboolean has_position;
gdouble xalign;
gdouble yalign;
gdouble x;
gdouble y;
gdouble angle;
gdouble opacity;
/* updated in size_allocate */
cairo_matrix_t matrix;
};
GimpOverlayChild * gimp_overlay_child_new (GimpOverlayBox *box,
GtkWidget *widget,
gdouble xalign,
gdouble yalign,
gdouble angle,
gdouble opacity);
void gimp_overlay_child_free (GimpOverlayBox *box,
GimpOverlayChild *child);
GimpOverlayChild * gimp_overlay_child_find (GimpOverlayBox *box,
GtkWidget *widget);
void gimp_overlay_child_realize (GimpOverlayBox *box,
GimpOverlayChild *child);
void gimp_overlay_child_unrealize (GimpOverlayBox *box,
GimpOverlayChild *child);
void gimp_overlay_child_get_preferred_width (GimpOverlayBox *box,
GimpOverlayChild *child,
gint *minimum,
gint *natural);
void gimp_overlay_child_get_preferred_height (GimpOverlayBox *box,
GimpOverlayChild *child,
gint *minimum,
gint *natural);
void gimp_overlay_child_size_allocate (GimpOverlayBox *box,
GimpOverlayChild *child);
gboolean gimp_overlay_child_draw (GimpOverlayBox *box,
GimpOverlayChild *child,
cairo_t *cr);
gboolean gimp_overlay_child_damage (GimpOverlayBox *box,
GimpOverlayChild *child,
GdkEventExpose *event);
void gimp_overlay_child_invalidate (GimpOverlayBox *box,
GimpOverlayChild *child);
gboolean gimp_overlay_child_pick (GimpOverlayBox *box,
GimpOverlayChild *child,
gdouble box_x,
gdouble box_y);
#endif /* __GIMP_OVERLAY_CHILD_H__ */