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// SPDX-License-Identifier: GPL-2.0-or-later
/**
* @file
* Group belonging to an SVG drawing element.
*//*
* Authors:
* Krzysztof Kosiński <tweenk.pl@gmail.com>
*
* Copyright (C) 2011 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef INKSCAPE_DISPLAY_DRAWING_TEXT_H
#define INKSCAPE_DISPLAY_DRAWING_TEXT_H
#include <memory>
#include "display/drawing-group.h"
#include "display/nr-style.h"
class SPStyle;
class FontInstance;
namespace Inkscape {
class Pixbuf;
class DrawingGlyphs
: public DrawingItem
{
public:
DrawingGlyphs(Drawing &drawing);
int tag() const override { return tag_of<decltype(*this)>; }
void setGlyph(std::shared_ptr<FontInstance> font, int glyph, Geom::Affine const &trans);
void setStyle(SPStyle const *style, SPStyle const *context_style = nullptr) override; // Not to be used
Geom::IntRect getPickBox() const { return _pick_bbox; };
protected:
~DrawingGlyphs() override = default;
unsigned _updateItem(Geom::IntRect const &area, UpdateContext const &ctx, unsigned flags, unsigned reset) override;
DrawingItem *_pickItem(Geom::Point const &p, double delta, unsigned flags) override;
std::shared_ptr<void const> _font_data; // keeps alive pathvec, pathvec_ref, and pixbuf
int _glyph;
float _width; // These three are used to set up bounding box
float _asc; //
float _dsc; //
float _pl; // phase length
Geom::IntRect _pick_bbox;
double design_units;
Geom::PathVector const *pathvec; // pathvector of actual glyph
Geom::PathVector const *pathvec_ref; // pathvector of reference glyph 42
Inkscape::Pixbuf const *pixbuf; // pixbuf, if SVG font
friend class DrawingText;
};
class DrawingText
: public DrawingGroup
{
public:
DrawingText(Drawing &drawing);
int tag() const override { return tag_of<decltype(*this)>; }
bool addComponent(std::shared_ptr<FontInstance> const &font, int glyph, Geom::Affine const &trans, float width, float ascent, float descent, float phase_length);
void setStyle(SPStyle const *style, SPStyle const *context_style = nullptr) override;
void setChildrenStyle(SPStyle const *context_style) override;
protected:
~DrawingText() override = default;
unsigned _updateItem(Geom::IntRect const &area, UpdateContext const &ctx, unsigned flags, unsigned reset) override;
unsigned _renderItem(DrawingContext &dc, RenderContext &rc, Geom::IntRect const &area, unsigned flags, DrawingItem const *stop_at) const override;
void _clipItem(DrawingContext &dc, RenderContext &rc, Geom::IntRect const &area) const override;
DrawingItem *_pickItem(Geom::Point const &p, double delta, unsigned flags) override;
bool _canClip() const override { return true; }
void decorateItem(DrawingContext &dc, double phase_length, bool under) const;
void decorateStyle(DrawingContext &dc, double vextent, double xphase, Geom::Point const &p1, Geom::Point const &p2, double thickness) const;
NRStyle _nrstyle;
bool style_vector_effect_stroke : 1;
bool style_stroke_extensions_hairline : 1;
SPWindRule style_clip_rule;
friend class DrawingGlyphs;
};
} // namespace Inkscape
#endif // INKSCAPE_DISPLAY_DRAWING_TEXT_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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