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// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* TODO: insert short description here
*//*
* Authors: see git history
*
* Copyright (C) 2018 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef SEEN_SP_ITEM_FLOWTEXT_H
#define SEEN_SP_ITEM_FLOWTEXT_H
/*
*/
#include <2geom/forward.h>
#include "libnrtype/Layout-TNG.h"
#include "sp-item.h"
#include "desktop.h"
#include <memory>
namespace Inkscape {
class DrawingGroup;
} // namespace Inkscape
class SPFlowtext : public SPItem {
public:
SPFlowtext();
~SPFlowtext() override;
/** Completely recalculates the layout. */
void rebuildLayout();
/** Converts the flowroot in into a \<text\> tree, keeping all the formatting and positioning,
but losing the automatic wrapping ability. */
Inkscape::XML::Node *getAsText();
// TODO check if these should return SPRect instead of SPItem
SPItem *get_frame(SPItem const *after);
SPItem const *get_frame(SPItem const *after) const;
std::optional<Geom::Point> getBaselinePoint() const;
bool has_internal_frame() const;
//semiprivate: (need to be accessed by the C-style functions still)
Inkscape::Text::Layout layout;
/** discards the drawing objects representing this text. */
void _clearFlow(Inkscape::DrawingGroup* in_arena);
double par_indent;
bool _optimizeScaledText;
/** Converts the text object to its component curves */
std::unique_ptr<SPCurve> getNormalizedBpath() const;
/** Optimize scaled flow text on next set_transform. */
void optimizeScaledText()
{_optimizeScaledText = true;}
private:
/** Recursively walks the xml tree adding tags and their contents. */
void _buildLayoutInput(SPObject *root, Shape const *exclusion_shape, std::list<Shape> *shapes, SPObject **pending_line_break_object);
/** calculates the union of all the \<flowregionexclude\> children
of this flowroot. */
Shape* _buildExclusionShape() const;
public:
void build(SPDocument* doc, Inkscape::XML::Node* repr) override;
void child_added(Inkscape::XML::Node* child, Inkscape::XML::Node* ref) override;
void remove_child(Inkscape::XML::Node* child) override;
void set(SPAttr key, const char* value) override;
Geom::Affine set_transform(Geom::Affine const& xform) override;
void update(SPCtx* ctx, unsigned int flags) override;
void modified(unsigned int flags) override;
void fix_overflow_flowregion(bool inverse);
Inkscape::XML::Node* write(Inkscape::XML::Document* doc, Inkscape::XML::Node* repr, unsigned int flags) override;
Geom::OptRect bbox(Geom::Affine const &transform, SPItem::BBoxType type) const override;
void print(SPPrintContext *ctx) override;
const char* typeName() const override;
const char* displayName() const override;
char* description() const override;
Inkscape::DrawingItem* show(Inkscape::Drawing &drawing, unsigned int key, unsigned int flags) override;
void hide(unsigned int key) override;
void snappoints(std::vector<Inkscape::SnapCandidatePoint> &p, Inkscape::SnapPreferences const *snapprefs) const override;
};
SPItem *create_flowtext_with_internal_frame (SPDesktop *desktop, Geom::Point p1, Geom::Point p2);
MAKE_SP_OBJECT_DOWNCAST_FUNCTIONS(SP_FLOWTEXT, SPFlowtext)
MAKE_SP_OBJECT_TYPECHECK_FUNCTIONS(SP_IS_FLOWTEXT, SPFlowtext)
#endif // SEEN_SP_ITEM_FLOWTEXT_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:fileencoding=utf-8:textwidth=99 :
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