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/** @file
* Affine transform handles component
*/
/* Authors:
* Krzysztof Kosiński <tweenk.pl@gmail.com>
*
* Copyright (C) 2009 Authors
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifndef SEEN_UI_TOOL_TRANSFORM_HANDLE_SET_H
#define SEEN_UI_TOOL_TRANSFORM_HANDLE_SET_H
#include <memory>
#include <gdk/gdk.h>
#include <2geom/forward.h>
#include "display/display-forward.h"
#include "ui/tool/commit-events.h"
#include "ui/tool/manipulator.h"
class SPDesktop;
class CtrlRect; // this is not present in display-forward.h!
namespace Inkscape {
namespace UI {
//class TransformHandle;
class RotateHandle;
class SkewHandle;
class ScaleCornerHandle;
class ScaleSideHandle;
class RotationCenter;
class TransformHandleSet : public Manipulator {
public:
enum Mode {
MODE_SCALE,
MODE_ROTATE_SKEW
};
TransformHandleSet(SPDesktop *d, SPCanvasGroup *th_group);
virtual ~TransformHandleSet();
virtual bool event(GdkEvent *);
bool visible() { return _visible; }
Mode mode() { return _mode; }
Geom::Rect bounds();
void setVisible(bool v);
void setMode(Mode);
void setBounds(Geom::Rect const &, bool preserve_center = false);
bool transforming() { return _in_transform; }
ControlPoint &rotationCenter();
sigc::signal<void, Geom::Matrix const &> signal_transform;
sigc::signal<void, CommitEvent> signal_commit;
private:
void _emitTransform(Geom::Matrix const &);
void _setActiveHandle(ControlPoint *h);
void _clearActiveHandle();
void _updateVisibility(bool v);
union {
ControlPoint *_handles[17];
struct {
ScaleCornerHandle *_scale_corners[4];
ScaleSideHandle *_scale_sides[4];
RotateHandle *_rot_corners[4];
SkewHandle *_skew_sides[4];
RotationCenter *_center;
};
};
ControlPoint *_active;
SPCanvasGroup *_transform_handle_group;
CtrlRect *_trans_outline;
Mode _mode;
bool _in_transform;
bool _visible;
bool _rot_center_visible;
friend class TransformHandle;
friend class RotationCenter;
};
} // namespace UI
} // namespace Inkscape
#endif
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
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