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-axonomgrid.h | 99 +++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 src/display/control/canvas-axonomgrid.h (limited to 'src/display/control/canvas-axonomgrid.h') diff --git a/src/display/control/canvas-axonomgrid.h b/src/display/control/canvas-axonomgrid.h new file mode 100644 index 0000000..be23d5b --- /dev/null +++ b/src/display/control/canvas-axonomgrid.h @@ -0,0 +1,99 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +#ifndef CANVAS_AXONOMGRID_H +#define CANVAS_AXONOMGRID_H + +/* + * Authors: + * Johan Engelen + * + * Copyright (C) 2006-2012 Authors + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include "line-snapper.h" +#include "canvas-grid.h" + +class SPNamedView; + +namespace Inkscape { +class CanvasItemBuffer; +namespace XML { + class Node; +}; + +class CanvasAxonomGrid : public CanvasGrid { +public: + CanvasAxonomGrid(SPNamedView * nv, Inkscape::XML::Node * in_repr, SPDocument * in_doc); + ~CanvasAxonomGrid() override; + + void Update (Geom::Affine const &affine, unsigned int flags) override; + void Render (Inkscape::CanvasItemBuffer *buf) override; + + void readRepr() override; + void onReprAttrChanged (Inkscape::XML::Node * repr, char const *key, char const *oldval, char const *newval, bool is_interactive) override; + + double lengthy; /**< The lengths of the primary y-axis */ + double angle_deg[3]; /**< Angle of each axis (note that angle[2] == 0) */ + double angle_rad[3]; /**< Angle of each axis (note that angle[2] == 0) */ + double tan_angle[3]; /**< tan(angle[.]) */ + + bool scaled; /**< Whether the grid is in scaled mode */ + +protected: + friend class CanvasAxonomGridSnapper; + + Geom::Point ow; /**< Transformed origin by the affine for the zoom */ + double lyw = 1.0; /**< Transformed length y by the affine for the zoom */ + double lxw_x = 1.0; + double lxw_z = 1.0; + double spacing_ylines = 1.0; + + Geom::Point sw; /**< the scaling factors of the affine transform */ + + Gtk::Widget * newSpecificWidget() override; + +private: + CanvasAxonomGrid(const CanvasAxonomGrid&) = delete; + CanvasAxonomGrid& operator=(const CanvasAxonomGrid&) = delete; + + void updateWidgets(); + + Inkscape::UI::Widget::RegisteredUnitMenu *_rumg; + Inkscape::UI::Widget::RegisteredScalarUnit *_rsu_ox; + Inkscape::UI::Widget::RegisteredScalarUnit *_rsu_oy; + Inkscape::UI::Widget::RegisteredScalarUnit *_rsu_sy; + Inkscape::UI::Widget::RegisteredScalar *_rsu_ax; + Inkscape::UI::Widget::RegisteredScalar *_rsu_az; + Inkscape::UI::Widget::RegisteredColorPicker *_rcp_gcol; + Inkscape::UI::Widget::RegisteredColorPicker *_rcp_gmcol; + Inkscape::UI::Widget::RegisteredSuffixedInteger *_rsi; +}; + + + +class CanvasAxonomGridSnapper : public LineSnapper +{ +public: + CanvasAxonomGridSnapper(CanvasAxonomGrid *grid, SnapManager *sm, Geom::Coord const d); + bool ThisSnapperMightSnap() const override; + + Geom::Coord getSnapperTolerance() const override; //returns the tolerance of the snapper in screen pixels (i.e. independent of zoom) + bool getSnapperAlwaysSnap() const override; //if true, then the snapper will always snap, regardless of its tolerance + +private: + LineList _getSnapLines(Geom::Point const &p) const override; + void _addSnappedLine(IntermSnapResults &isr, Geom::Point const &snapped_point, Geom::Coord const &snapped_distance, SnapSourceType const &source, long source_num, Geom::Point const &normal_to_line, const Geom::Point &point_on_line) const override; + void _addSnappedPoint(IntermSnapResults &isr, Geom::Point const &snapped_point, Geom::Coord const &snapped_distance, SnapSourceType const &source, long source_num, bool constrained_snap) const override; + void _addSnappedLinePerpendicularly(IntermSnapResults &isr, Geom::Point const &snapped_point, Geom::Coord const &snapped_distance, SnapSourceType const &source, long source_num, bool constrained_snap) const override; + + CanvasAxonomGrid *grid; +}; + + +}; //namespace Inkscape + + + +#endif + + -- cgit v1.2.3