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Diffstat (limited to 'src/display/drawing-text.h')
-rw-r--r-- | src/display/drawing-text.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/display/drawing-text.h b/src/display/drawing-text.h new file mode 100644 index 0000000..084c793 --- /dev/null +++ b/src/display/drawing-text.h @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/** + * @file + * Group belonging to an SVG drawing element. + *//* + * Authors: + * Krzysztof KosiĆski <tweenk.pl@gmail.com> + * + * Copyright (C) 2011 Authors + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#ifndef SEEN_INKSCAPE_DISPLAY_DRAWING_TEXT_H +#define SEEN_INKSCAPE_DISPLAY_DRAWING_TEXT_H + +#include "display/drawing-group.h" +#include "display/nr-style.h" + +class SPStyle; +class font_instance; + +namespace Inkscape { + +class DrawingGlyphs + : public DrawingItem +{ +public: + DrawingGlyphs(Drawing &drawing); + ~DrawingGlyphs() override; + + void setGlyph(font_instance *font, int glyph, Geom::Affine const &trans); + void setStyle(SPStyle *style, SPStyle *context_style = nullptr) override; // Not to be used + Geom::IntRect getPickBox() const { return _pick_bbox; }; + + protected: + 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; + + font_instance *_font; + int _glyph; + bool _drawable; + float _width; // These three are used to set up bounding box + float _asc; // + float _dsc; // + float _pl; // phase length + Geom::IntRect _pick_bbox; + + friend class DrawingText; +}; + +class DrawingText + : public DrawingGroup +{ +public: + DrawingText(Drawing &drawing); + ~DrawingText() override; + + void clear(); + bool addComponent(font_instance *font, int glyph, Geom::Affine const &trans, + float width, float ascent, float descent, float phase_length); + void setStyle(SPStyle *style, SPStyle *context_style = nullptr) override; + void setChildrenStyle(SPStyle *context_style) override; + +protected: + unsigned _updateItem(Geom::IntRect const &area, UpdateContext const &ctx, + unsigned flags, unsigned reset) override; + unsigned _renderItem(DrawingContext &dc, Geom::IntRect const &area, unsigned flags, + DrawingItem *stop_at) override; + void _clipItem(DrawingContext &dc, Geom::IntRect const &area) override; + DrawingItem *_pickItem(Geom::Point const &p, double delta, unsigned flags) override; + bool _canClip() override; + + void decorateItem(DrawingContext &dc, double phase_length, bool under); + void decorateStyle(DrawingContext &dc, double vextent, double xphase, Geom::Point const &p1, Geom::Point const &p2, double thickness); + NRStyle _nrstyle; + + friend class DrawingGlyphs; +}; + +} // end namespace Inkscape + +#endif // !SEEN_INKSCAPE_DISPLAY_DRAWING_ITEM_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 : |