instgdifont.h

跨平台2D引擎

//instGdiFont.h
#ifndef INST_GDIFONT_H
#define INST_GDIFONT_H


#include <instTypes.h>
#include <instDefines.h>
#include <instStr.h>
#include <instIFont.h>

#include <windows.h>

#ifdef GetCharWidth
#undef GetCharWidth
#endif

namespace inst
{


class CGdiFont:virtual public IFont
{
private:
	LOGFONTW m_lf;
	HFONT m_h;
	Optional<HDC> m_hdc;
	void GenerateGdiFont();
public:
	virtual void *GetAddr()const{ return (void *)this; }
	virtual CStr GetClass()const{ return L"inst::CGdiFont"; }
	virtual Bool IsA(const CStr &name)const{ return name==L"inst::CGdiFont" || IFont::IsA(name); }
	virtual ~CGdiFont();
public:
	virtual CStr GetName()const{ return CStr(m_lf.lfFaceName); }
	virtual void SetName(const CStr &name){ memcpy(m_lf.lfFaceName,name.ReadW(),LF_FACESIZE); GenerateGdiFont(); }
	
	virtual POS GetHeight()const{ return m_lf.lfHeight; }
	virtual void SetHeight(POS h){ m_lf.lfHeight=h; GenerateGdiFont(); }
	
	virtual Bool IsBold()const{ return m_lf.lfWeight>400; }
	virtual void SetBold(Bool b){ m_lf.lfWeight=b?700:400; GenerateGdiFont(); }
	
	virtual Bool IsItalic()const{ return (Bool)m_lf.lfItalic; }
	virtual void SetItalic(Bool i){ m_lf.lfItalic=i?1:0; GenerateGdiFont(); }
	
	virtual Bool IsUnderline()const{ return (Bool)m_lf.lfUnderline; }
	virtual void SetUnderline(Bool un){ m_lf.lfUnderline=un?1:0; GenerateGdiFont(); }
	
	virtual UByte GetCharSet()const{ return m_lf.lfCharSet; }
	virtual void GetCharSet(UByte cs){ m_lf.lfCharSet=cs; GenerateGdiFont(); }

	virtual POS GetCharWidth(WChar wch)const;
	virtual POS GetStrWidth(const CStr &str)const;
public:
	CGdiFont();
	CGdiFont(const IFont *font);
	CGdiFont(const CStr &n,Int32 h=15,Bool b=False,Bool i=False,Bool un=False,UByte cs=0);

	const LOGFONTW &GetLogFontW()const{ return m_lf; }
	LOGFONTA GetLogFontA()const;
	HFONT GetHFont()const{ return m_h; }
};


}// end of namespace inst


#endif