From cca66b9ec4e494c1d919bff0f71a820d8afab1fa Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:24:48 +0200 Subject: Adding upstream version 1.2.2. Signed-off-by: Daniel Baumann --- src/display/control/canvas-item-curve.h | 87 +++++++++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 src/display/control/canvas-item-curve.h (limited to 'src/display/control/canvas-item-curve.h') diff --git a/src/display/control/canvas-item-curve.h b/src/display/control/canvas-item-curve.h new file mode 100644 index 0000000..84d6511 --- /dev/null +++ b/src/display/control/canvas-item-curve.h @@ -0,0 +1,87 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +#ifndef SEEN_CANVAS_ITEM_CURVE_H +#define SEEN_CANVAS_ITEM_CURVE_H + +/** + * A class to represent a single Bezier control curve. + */ + +/* + * Author: + * Tavmjong Bah + * + * Copyright (C) 2020 Tavmjong Bah + * + * Rewrite of SPCtrlLine and SPCtrlCurve + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include +#include <2geom/path.h> + +#include "canvas-item.h" + +namespace Inkscape { + +class CanvasItemGroup; // A canvas control that contains other canvas controls. + +class CanvasItemCurve : public CanvasItem { + +public: + CanvasItemCurve(CanvasItemGroup *group); + CanvasItemCurve(CanvasItemGroup *group, Geom::Point const &p0, Geom::Point const &p1); + CanvasItemCurve(CanvasItemGroup *group, Geom::Point const &p0, Geom::Point const &p1, + Geom::Point const &p2, Geom::Point const &p3); + + // Geometry + void set_coords(Geom::Point const &p0, Geom::Point const &p1); + void set_coords(Geom::Point const &p0, Geom::Point const &p1, Geom::Point const &p2, Geom::Point const &p3); + void set(Geom::BezierCurve &curve); + void set_width(int w); + void set_bg_alpha(float alpha); + bool is_line() { return _curve->size() == 2; } + + void update(Geom::Affine const &affine) override; + double closest_distance_to(Geom::Point const &p); // Maybe not needed + + // Selection + bool contains(Geom::Point const &p, double tolerance = 0) override; + + // Display + void render(Inkscape::CanvasItemBuffer *buf) override; + + // Properties + void set_is_fill(bool is_fill) { _is_fill = is_fill; } + bool get_is_fill() { return _is_fill; } + void set_corner0(int corner0) { _corner0 = corner0; } // Used for meshes + int get_corner0() { return _corner0; } + void set_corner1(int corner1) { _corner1 = corner1; } + int get_corner1() { return _corner1; } + +protected: + std::unique_ptr _curve; + bool _is_fill = true; // Fill or stroke, used by meshes. + + int width = 1; + int background_width = 3; // this should be an odd number so that the background appears on both the sides of the curve. + float bg_alpha = 0.5f; + int _corner0 = -1; // For meshes + int _corner1 = -1; // For meshes +}; + + +} // namespace Inkscape + +#endif // SEEN_CANVAS_ITEM_CURVE_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 : -- cgit v1.2.3