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#pragma once
#include "graphics/glyph_cache.hpp"
#include "graphics/defines.hpp"
#include "graphics/text_path.hpp"
#include "graphics/font_desc.hpp"
#include "geometry/rect2d.hpp"
#include "geometry/point2d.hpp"
#include "geometry/any_rect2d.hpp"
#include "geometry/angles.hpp"
#include "base/string_utils.hpp"
namespace graphics
{
class GlyphCache;
struct GlyphLayoutElem
{
strings::UniChar m_sym;
ang::AngleD m_angle;
m2::PointD m_pt;
void transform(math::Matrix<double, 3, 3> const & m);
};
class GlyphLayout
{
protected:
size_t m_firstVisible;
size_t m_lastVisible;
graphics::FontDesc m_fontDesc;
buffer_vector<GlyphMetrics, 8> m_metrics;
buffer_vector<GlyphLayoutElem, 8> m_entries;
buffer_vector<m2::AnyRectD, 1> m_boundRects;
m2::PointD m_pivot;
m2::PointD m_offset;
double m_textLength;
void computeBoundRects();
void addGlyph(GlyphCache * glyphCache,
GlyphKey const & key,
bool isFirst,
strings::UniChar symbol,
m2::RectD & boundRect,
m2::PointD & curPt);
void initStraigthText(GlyphCache * glyphCache,
FontDesc const & font,
m2::PointD const & pt,
strings::UniString const & visText,
graphics::EPosition pos,
unsigned maxWidth);
protected:
GlyphLayout(FontDesc const & font);
public:
GlyphLayout() {}
GlyphLayout(GlyphCache * glyphCache,
FontDesc const & font,
m2::PointD const & pt,
strings::UniString const & visText,
graphics::EPosition pos,
unsigned maxWidth = numeric_limits<unsigned>::max());
size_t firstVisible() const;
size_t lastVisible() const;
buffer_vector<GlyphLayoutElem, 8> const & entries() const { return m_entries; }
buffer_vector<m2::AnyRectD, 1> const & boundRects() const { return m_boundRects; }
/// @note! Used only in StraightTextElement.
m2::RectD GetLastGlobalRect() const { return m_boundRects.back().GetGlobalRect(); }
graphics::FontDesc const & fontDesc() const;
m2::PointD const & pivot() const;
void setPivot(m2::PointD const & pv);
m2::PointD const & offset() const;
void setOffset(m2::PointD const & offs);
int baseLineOffset();
};
class GlyphLayoutPath : public GlyphLayout
{
TextPath m_path;
strings::UniString m_visText;
double m_textOffset;
void recalcAlongPath();
public:
GlyphLayoutPath() {}
GlyphLayoutPath(GlyphLayoutPath const & layout,
math::Matrix<double, 3, 3> const & m);
GlyphLayoutPath(GlyphCache * glyphCache,
FontDesc const & font,
m2::PointD const * pts,
size_t ptsCount,
strings::UniString const & visText,
double fullLength,
double pathOffset,
double textOffset);
bool IsFullVisible() const;
};
}
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