如何修改C++项目.项目使用多字节字符集，cpp文件内代码，使生成的程序支持UTF8字符编码
文件内容如下：
////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////
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#include "public.h"
#include "../../RenderD3D/include/d3dfont.h"
/*
表1 汉字编码范围
| 名称 | 第一字节 | 第二字节 |
|---|---|---|
| GB2312 | 0xB0-0xF7(176-247) | 0xA0-0xFE（160-254） |
| -------- | ------------------------- | ------------------------- |
| GBK0 | x81-0xFE（129-254） | 0x40-0xFE（64-254） |
| -------- | ------------------------- | ------------------------- |
| Big5 | 0x81-0xFE（129-255） | 0x40-0x7E（64-126） |
| 0xA1－0xFE（161-254） | ||
| -------- | ------------------------- | ------------------------ |
//*/
const UINT GBK_MIN_CHAR1 = 0x81;
const UINT GBK_MAX_CHAR1 = 0xfe; // 决定列 第一字节
const UINT GBK_MIN_CHAR2 = 0x40;
const UINT GBK_MAX_CHAR2 = 0xfe; // 决定行 第二字节
const UINT GB2312_MIN_CHAR1 = 0xa1;
const UINT GB2312_MAX_CHAR1 = 0xf7; // 决定列 第一字节
const UINT GB2312_MIN_CHAR2 = 0xa0;
const UINT GB2312_MAX_CHAR2 = 0xfe; // 决定行 第二字节
const UINT EN_MIN_CHAR = 33;
const UINT EN_MAX_CHAR = 0x7f;
inline bool isGB2312Code( WORD ch )
{
int c1 = (ch & 0xff);
int c2 = ((ch & 0xff00) >> 8);
return GB2312_MIN_CHAR1 <= c1 && c1 <= GB2312_MAX_CHAR1 &&
GB2312_MIN_CHAR2 <= c2 && c2 <= GB2312_MAX_CHAR2;
}
inline WORD ComposeWchar(int c1,int c2)
{
return (c2 << 8) | c1;
}
inline void UncomposeWchar(WORD ch,int & c1,int & c2)
{
c1 = (ch & 0xff);
c2 = ((ch & 0xff00) >> 8);
}
inline bool isSamePoint(stPointI pt1, stPointI pt2, int rate)
{
if ( (abs(pt1.x-pt2.x) < rate) && (abs(pt1.y-pt2.y) < rate) )
{
return true;
}
return false;
}
//Get font point list form a char
bool GetFontPointList(const WORD& cName, stPointI* pPointList, int& numPoint)
{
char name[32] = "新宋体";
char nameE[32] = "Arial";
char nameFT[32] = "Arial";
int width = 10;
int height = 20;
LOGFONT lf;
memset(&lf,0,sizeof(LOGFONT));
numPoint = 0;
lf.lfWidth=-width;
lf.lfHeight=-height;
lf.lfWeight=0;
lf.lfCharSet=GB2312_CHARSET;
lf.lfOutPrecision=OUT_DEFAULT_PRECIS;
lf.lfClipPrecision=CLIP_DEFAULT_PRECIS;
lf.lfQuality=PROOF_QUALITY;
lf.lfPitchAndFamily=FIXED_PITCH|FF_DONTCARE;
lf.lfItalic=0;
strcpy(lf.lfFaceName,name);
//Get font
HFONT hFontFT = NULL;
HFONT hFontE = NULL;
HFONT hFont = CreateFontIndirect(&lf);
if(nameE && nameE[0]){
strcpy(lf.lfFaceName,nameE);
hFontE = CreateFontIndirect(&lf);
}
if(nameFT && nameFT[0] != 0){
strcpy(lf.lfFaceName,nameFT);
hFontFT = CreateFontIndirect(&lf);
}
//TEXTMETRIC textMetric;
COLORREF backgroundColorRef = RGB( 0, 0, 0);
COLORREF foregroundColorRef = RGB(255, 255, 255);
//Get font DC
HDC fontDC;
HBITMAP fontBMP;
HGDIOBJ oldBmp, oldFont;
fontDC = CreateCompatibleDC(NULL);
fontBMP = CreateCompatibleBitmap(fontDC,256,256);
oldBmp = SelectObject(fontDC, fontBMP);
if(hFontE)
oldFont = SelectObject(fontDC, hFontE);
else
oldFont = SelectObject(fontDC, hFont);
//
SetBkColor(fontDC, backgroundColorRef);
SetTextColor(fontDC, foregroundColorRef);
//Get english font
if ( (cName>=EN_MIN_CHAR) && (cName<=EN_MAX_CHAR) )
{
if(hFontE)
{
if(cName >= '0' && cName <= '9')
SelectObject(fontDC, hFont);
else
SelectObject(fontDC, hFontE);
}
TextOut(fontDC,0,0,(char*)&cName,1);
numPoint = 0;
for(size_t i1=0;i1<height;++i1)
{
for(size_t j1=0;j1<width;++j1)
{
COLORREF color = GetPixel(fontDC,j1,i1);
if(color & 0xffffff)
{
pPointList[numPoint++] = stPointI( j1, i1 );
}
}
}
}
else //Get chinese font
{
int c1,c2;
UncomposeWchar( cName, c1, c2 );
WORD wName = ComposeWchar( c2, c1 );
WORD sz[2] = {wName,0};
if( hFontFT )
{
if( isGB2312Code( wName ) )
SelectObject(fontDC, hFont);
else
SelectObject(fontDC, hFontFT);
}
else
SelectObject( fontDC, hFont );
TextOut(fontDC,0,0,(char*)sz,2);
if ( 0 )
{
float cRate = 0.02f;
int space = (int)(width * cRate);
stPointI ptLast(0,0);
for(size_t i1=0;i1<height;++i1)
{
for(size_t j1=0;j1<width*2;++j1)
{
COLORREF color = GetPixel(fontDC,j1,i1);
if(color & 0xffffff)
{
if ( !isSamePoint( stPointI(j1,i1), ptLast, space ) )
{
pPointList[numPoint++] = stPointI( j1, i1 );
ptLast = stPointI(j1,i1);
}
}
}
}
}
else
{
for(size_t i1=0;i1<height;++i1)
{
for(size_t j1=0;j1<width*2;++j1)
{
COLORREF color = GetPixel(fontDC,j1,i1);
if(color & 0xffffff)
{
pPointList[numPoint++] = stPointI( j1, i1 );
}
}
}
}
}
//Make center at point(0,0)
stRectI rcBoundingBox;
for( int i=0;i<numPoint;i++ )
{
if ( i == 0 )
{
rcBoundingBox.left = pPointList[0].x;
rcBoundingBox.right = pPointList[0].x;
rcBoundingBox.top = pPointList[0].y;
rcBoundingBox.bottom = pPointList[0].y;
}
else
{
if ( pPointList[i].x < rcBoundingBox.left )
rcBoundingBox.left = pPointList[i].x;
if ( pPointList[i].x > rcBoundingBox.right )
rcBoundingBox.right = pPointList[i].x;
if ( pPointList[i].y < rcBoundingBox.top )
rcBoundingBox.top = pPointList[i].y;
if ( pPointList[i].y > rcBoundingBox.bottom )
rcBoundingBox.bottom = pPointList[i].y;
}
}
int nWidth = ( rcBoundingBox.left + rcBoundingBox.right ) / 2;
int nHeight = ( rcBoundingBox.top + rcBoundingBox.bottom ) / 2;
//Reset pos of point list
for( int i=0;i<numPoint;i++ )
{
pPointList[i] -= stPointI(nWidth, nHeight);
}
//Release res
SelectObject(fontDC, oldBmp);
SelectObject(fontDC, oldFont);
DeleteObject(hFont);
DeleteObject(hFontFT);
DeleteObject(hFontE);
DeleteObject(fontBMP);
DeleteDC(fontDC);
return numPoint > 0;
}
///////////结束
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//////////////////////////////////////////////////////////////////////////////////////
