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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_CANVAS_ITEM_CTRL_H
#define SEEN_CANVAS_ITEM_CTRL_H
/**
* A class to represent a control node.
*/
/*
* Author:
* Tavmjong Bah
*
* Copyright (C) 2020 Tavmjong Bah
*
* Rewrite of SPCtrl
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <memory>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <2geom/point.h>
#include "canvas-item.h"
#include "canvas-item-enums.h"
#include "enums.h" // SP_ANCHOR_X
namespace Inkscape {
class CanvasItemGroup; // A canvas control that contains other canvas controls.
class CanvasItemCtrl : public CanvasItem {
public:
~CanvasItemCtrl() override;
CanvasItemCtrl(CanvasItemGroup *group);
CanvasItemCtrl(CanvasItemGroup *group, CanvasItemCtrlType type);
CanvasItemCtrl(CanvasItemGroup *group, CanvasItemCtrlType type, Geom::Point const &p);
CanvasItemCtrl(CanvasItemGroup *group, CanvasItemCtrlShape shape);
CanvasItemCtrl(CanvasItemGroup *group, CanvasItemCtrlShape shape, Geom::Point const &p);
// Geometry
void set_position(Geom::Point const &position);
void update(Geom::Affine const &affine) override;
double closest_distance_to(Geom::Point const &p);
// Selection
bool contains(Geom::Point const &p, double tolerance = 0) override;
// Display
void render(Inkscape::CanvasItemBuffer *buf) override;
// Properties
void set_fill(guint32 rgba) override;
void set_stroke(guint32 rgba) override;
void set_shape(int shape);
void set_shape_default(); // Use type to determine shape.
void set_mode(int mode);
void set_mode_default();
void set_size(int size);
virtual void set_size_via_index(int size_index);
void set_size_default(); // Use preference and type to set size.
void set_size_extra(int extra); // Used to temporary increase size of ctrl.
void set_anchor(SPAnchorType anchor);
void set_angle(double angle);
void set_type(CanvasItemCtrlType type);
void set_pixbuf(GdkPixbuf *pixbuf);
protected:
void build_cache(int device_scale);
// Geometry
Geom::Point _position;
// Display
guint32 *_cache = nullptr;
bool _built = false;
// Properties
CanvasItemCtrlType _type = CANVAS_ITEM_CTRL_TYPE_DEFAULT;
CanvasItemCtrlShape _shape = CANVAS_ITEM_CTRL_SHAPE_SQUARE;
CanvasItemCtrlMode _mode = CANVAS_ITEM_CTRL_MODE_XOR;
unsigned int _width = 5; // Nominally width == height == size... unless we use a pixmap.
unsigned int _height = 5;
unsigned int _extra = 0; // Used to temporarily increase size.
double _angle = 0.0; // Used for triangles, could be used for arrows.
SPAnchorType _anchor = SP_ANCHOR_CENTER;
GdkPixbuf *_pixbuf = nullptr;
};
} // namespace Inkscape
#endif // SEEN_CANVAS_ITEM_CTRL_H
/*
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 :
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