drawing-text.h revision 58ba7163a5ee19414f3357a7c84d93989cb7498c
/**
* @file
* Group belonging to an SVG drawing element.
*//*
* Authors:
* Krzysztof Kosiński <tweenk.pl@gmail.com>
*
* Copyright (C) 2011 Authors
* Released under GNU GPL, 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"
struct SPStyle;
class font_instance;
namespace Inkscape {
class DrawingGlyphs
: public DrawingItem
{
public:
DrawingGlyphs(Drawing &drawing);
~DrawingGlyphs();
void setGlyph(font_instance *font, int glyph, Geom::Affine const &trans);
protected:
unsigned _updateItem(Geom::IntRect const &area, UpdateContext const &ctx,
unsigned flags, unsigned reset);
virtual DrawingItem *_pickItem(Geom::Point const &p, double delta, unsigned flags);
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();
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);
protected:
virtual unsigned _updateItem(Geom::IntRect const &area, UpdateContext const &ctx,
unsigned flags, unsigned reset);
virtual unsigned _renderItem(DrawingContext &dc, Geom::IntRect const &area, unsigned flags,
DrawingItem *stop_at);
virtual void _clipItem(DrawingContext &dc, Geom::IntRect const &area);
virtual DrawingItem *_pickItem(Geom::Point const &p, double delta, unsigned flags);
virtual bool _canClip();
double decorateItem(DrawingContext &dc, Geom::Affine const &aff, double phase_length);
void decorateStyle(DrawingContext &dc, double vextent, double xphase, Geom::Point const &p1, Geom::Point const &p2);
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 :