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#ifndef __CDRAWBUFFER_H
#define __CDRAWBUFFER_H
#include <qcolor.h>
#include "StyleConsts.h"
#include "CBuffer.h"
#include "my_list.h"
#include "linktype.h"
class QPainter;
class QImage;
struct textsegment
{
int start;
CStyle style;
textsegment(int _start, const CStyle& _style)
:
start(_start), style(_style)
{}
};
class FontControl;
class CDrawBuffer : public CBuffer
{
bool m_hastext;
CList<textsegment> segs;
int len;
FontControl* fc;
int m_ascent, m_descent, m_lineSpacing, m_lineExtraSpacing;
bool m_bEof, m_bBop;
bool m_bSop, m_bEop;
bool m_showPartial;
CDrawBuffer(const CDrawBuffer&);
CDrawBuffer& operator=(const tchar*sztmp);
void Highlight(QPainter*_p, bool drawBackground, int _x, int _y, int w, QColor bgColour);
public:
void setstartpara() { m_bSop = true; }
void setBop() { m_bBop = true; }
bool isBop() { return m_bBop; }
void setendpara() { m_bEop = true; }
void setendpara(const CStyle& cs);
int leftMargin();
int rightMargin();
void setEof() { m_bEof = true; }
bool eof() { return m_bEof; }
CDrawBuffer& operator=(CDrawBuffer&);
CDrawBuffer(FontControl* _fs = NULL)
:
fc(_fs)
{
empty();
}
~CDrawBuffer();
/*
CDrawBuffer()
:
size(0)
{
empty();
}
*/
int charwidth(int numchars, CStyle& currentstyle);
int charwidth(int numchars);
int width(int availht, int numchars = -1, bool onscreen = false, int scwidth = 0, unsigned short _lborder = 0, unsigned short _rborder = 0);
int offset(int, unsigned short, unsigned short, int);
void render(QPainter* _p, int _y, bool _bMono, int _charWidth, int scw, unsigned short, unsigned short, const QColor&, int availht);
void empty();
void addch(tchar ch, CStyle _style);
void truncate(int);
void setright(CDrawBuffer&, int);
CStyle firststyle();
CStyle laststyle();
int ascent() { return m_ascent; }
int descent() { return m_descent; }
int lineSpacing() { return m_lineSpacing; }
int lineExtraSpacing() { return m_lineExtraSpacing; }
// void frig();
linkType getLinkType(int numchars, size_t& tgt, size_t& offset, size_t& pictgt, QImage*&, size_t&);
void resize(int);
bool showPartial() { return m_showPartial; }
CStyle* getNextLink(int&);
int invertLink(int);
};
#endif
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