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Diffstat (limited to 'src/live_effects/lpe-taperstroke.h')
-rw-r--r-- | src/live_effects/lpe-taperstroke.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/live_effects/lpe-taperstroke.h b/src/live_effects/lpe-taperstroke.h new file mode 100644 index 0000000..42b8ca8 --- /dev/null +++ b/src/live_effects/lpe-taperstroke.h @@ -0,0 +1,80 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/** @file + * @brief Taper Stroke path effect (meant as a replacement for using Power Strokes for tapering) + */ +/* Authors: + * Liam P White <inkscapebrony@gmail.com> + * Copyright (C) 2014 Authors + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#ifndef INKSCAPE_LPE_TAPERSTROKE_H +#define INKSCAPE_LPE_TAPERSTROKE_H + +#include "live_effects/effect.h" +#include "live_effects/parameter/enum.h" +#include "live_effects/parameter/enumarray.h" +#include "live_effects/parameter/scalararray.h" +#include "live_effects/parameter/parameter.h" + +namespace Inkscape { +namespace LivePathEffect { + +namespace TpS { +// we need a separate namespace to avoid clashes with other LPEs +class KnotHolderEntityAttachBegin; +class KnotHolderEntityAttachEnd; +} + +class LPETaperStroke : public Effect { +public: + LPETaperStroke(LivePathEffectObject *lpeobject); + ~LPETaperStroke() override; + + void doOnApply(SPLPEItem const* lpeitem) override; + void doOnRemove(SPLPEItem const* lpeitem) override; + void doBeforeEffect (SPLPEItem const* lpeitem) override; + Geom::PathVector doEffect_path (Geom::PathVector const& path_in) override; + Geom::PathVector doEffect_simplePath(Geom::Path const& path, size_t index, double start, double end); + void transform_multiply(Geom::Affine const &postmul, bool set) override; + + void addKnotHolderEntities(KnotHolder * knotholder, SPItem * item) override; +protected: + friend class TpS::KnotHolderEntityAttachBegin; + friend class TpS::KnotHolderEntityAttachEnd; + ScalarArrayParam attach_start; + ScalarArrayParam attach_end; + ScalarArrayParam start_smoothing; + ScalarArrayParam end_smoothing; +private: + ScalarParam subpath; + ScalarParam line_width; + EnumParam<unsigned> join_type; + EnumArrayParam start_shape; + EnumArrayParam end_shape; + ScalarParam miter_limit; + size_t previous_size = 1; + std::vector<Geom::Point> start_attach_point; + std::vector<Geom::Point> end_attach_point; + size_t prev_subpath = Glib::ustring::npos; + Geom::PathVector pathv_out; + LPETaperStroke(const LPETaperStroke&) = delete; + LPETaperStroke& operator=(const LPETaperStroke&) = delete; +}; + +} //namespace LivePathEffect +} //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:fileencoding=utf-8 : |