fontedit.cpp

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// CellEdit.cpp : 实现文件
//

#include "stdafx.h"
#include "TFont.h"
#include "FontEdit.h"
#include "Normal.h"

//	显示字符阵列
void DrawFont(CDC *dc,UINT cx,UINT cy,UINT cw,UINT ch,ULONG co,BYTE *arr);

// CdlgCharEdit 对话框

IMPLEMENT_DYNAMIC(CdlgCharEdit, CDialog)
CdlgCharEdit::CdlgCharEdit(CWnd* pParent /*=NULL*/)
	: CDialog(CdlgCharEdit::IDD, pParent)
	, m_CharId(0)
	, m_CharW(0)
	, m_CharH(0)
	, m_FontArr(NULL)
	, m_Font(NULL)
{
	//	字节对齐
}

CdlgCharEdit::~CdlgCharEdit()
{
	//	有数据就要释放
	if(this->m_FontArr)
	{
		free(this->m_FontArr);
		this->m_FontArr = NULL;
	}
}

void CdlgCharEdit::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_SPIN_H, m_Spin_H);
	DDX_Control(pDX, IDC_SPIN_W, m_Spin_W);
	DDX_Control(pDX, IDC_CB_FONT, m_cmbFont);
	DDX_Control(pDX, IDC_CHK_FONT_BOLD, m_chkFontBold);
}

BEGIN_MESSAGE_MAP(CdlgCharEdit, CDialog)
	ON_WM_PAINT()
	ON_WM_DESTROY()
END_MESSAGE_MAP()


// CdlgCharEdit 消息处理程序
//================================================================================
//=		显示图片
//================================================================================
BYTE CdlgCharEdit::ShowPicture(CDC *pdc)
{
	RECT r,rParent;

	int font_w,font_h;
	int font_x,font_y;

	r.left = r.right = 0;
	r.top = r.bottom = 0;

	//	取得显示框架位置
	CWnd *pWnd = this->GetDlgItem(IDC_PIC_DRAW);

	//	是否有效
	if(NULL == pWnd || NULL == this->m_FontArr)
	{

		TRACE(("pWnd is NULL or this->m_FontArr is Null\n"));
		return 0;
	}

	//	控件位置和大小
	pWnd->GetClientRect(&r);
	pWnd->ClientToScreen(&r);

	//	窗口大小
	this->GetClientRect(&rParent);
	this->ClientToScreen(&rParent);
	
	//	计算后居中
	r.left   -= rParent.left ;
	r.top    -= rParent.top  ;
	r.right  -= rParent.left ;
	r.bottom -= rParent.top  ;

	//	计算显示位置(居中显示)
	font_w = this->m_FontArr[0];
	font_h = this->m_FontArr[1];
	font_x = r.left + ((r.right - r.left) - font_w) / 2;
	font_y = r.top  + ((r.bottom - r.top) - font_h) / 2;

	//	显示当前数据
	DrawFont(pdc,font_x,font_y,0,0,0xff0000,(BYTE *)(this->m_FontArr));
	
	static CString strMessage;

	strMessage.Format(_T("Width:\n%d\nHeight:\n%d\nByte:\n%d."),font_w,font_h,((font_w * font_h + 7) / 8 + 3));

	this->SetDlgItemText(IDC_TXT_NOTE,strMessage);

	return 0;
}

//================================================================================
//=		刷新窗口时重新绘制界面
//================================================================================
void CdlgCharEdit::OnPaint()
{
	CPaintDC dc(this);

	//	显示阵列图
	this->ShowPicture(&dc);
}


//================================================================================
//=		命令处理
//================================================================================
BOOL CdlgCharEdit::OnCommand(WPARAM wParam, LPARAM lParam)
{
	//	临时数据
	BYTE *pBuffer = NULL;
	//	显示的文字
	CString strShowText;
	//	字体名称
	CString strFontName;	
	//	显示窗口
	CStatic *pPictrue = (CStatic *)this->GetDlgItem(IDC_PIC_DRAW);
	
	int i;

	CFileDialog dlgOpenFile(TRUE,_T(""),_T(""),
			OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,
			_T("All Picture Files (*.bmp,*.jpg,*.wmf,*.emf,*.gif,*.ico,*.tiff)")
			_T("|*.bmp;*.jpg;*.jpeg;*.wmf;*.emf;*.gif;*.ico;*.tiff|")
			_T("Bmp File (*.bmp)|*.bmp|")
			_T("Jpeg File (*.Jpeg,*.Jpg)|*.jpg;*.jpeg|")
			_T("Gif File (*.gif)|*.gif|")
			_T("Icon File (*.ico)|*.ico|")
			_T("Tiff File (*.tiff)|*.tiff|")
			_T("wmf File (*.wmf)|*.wmf|")
			_T("Any File (*.*)|*.*|"),this);

	TRACE(_T("OnCommand(%d, %ld)\n"),wParam,lParam);

	switch(wParam)
	{
	case IDC_OK:
		//--------------------------------------------------------------------
		//	确定后就保存数据
		//--------------------------------------------------------------------
		this->EndDialog(IDC_OK);
		break;

	case IDC_CANCEL:
		//--------------------------------------------------------------------
		//	取消后不保存数据
		//--------------------------------------------------------------------
		this->EndDialog(IDC_CANCEL);
		break;

	case IDC_BT_TEXT:
		//--------------------------------------------------------------------
		//	取得需要显示的文字
		//--------------------------------------------------------------------
		this->GetDlgItemText(IDC_ED_TEXT,strShowText);

		//	粗体字
		this->m_data.m_bFontBold = this->m_chkFontBold.GetCheck();

		//	取得字体名称
		this->m_cmbFont.GetWindowText(strFontName);
		
		//	特殊符号表示
		if(strShowText[0] == '{' && strShowText[strShowText.GetLength()-1] == '}')
		{
			CString m_strNum;

			for(i = 1; i < strShowText.GetLength() - 1;i++ )
			{
				m_strNum.AppendChar(strShowText[i]);
			}
			strShowText = MakeFormatString(m_strNum);
		}

		//	生成字符阵列
		pBuffer = this->MakeCharArray(strShowText,this->m_Spin_W.GetPos(),this->m_Spin_H.GetPos(),strFontName);

		//	生成成功
		if(pBuffer != NULL)
		{
			//	释放指针
			if(this->m_FontArr)
			{
				free(this->m_FontArr);
				this->m_FontArr = NULL;
			}

			//	修改指针
			this->m_FontArr = pBuffer;
			
			//	重绘
			this->Invalidate();
		}
		break;

	case IDC_BT_PICTURE:
		//--------------------------------------------------------------------
		//	选择位图文件
		//--------------------------------------------------------------------
		int iRet =dlgOpenFile.DoModal();
	
		if(iRet)
		{
			BYTE *pArray = this->MakeBmpArray(dlgOpenFile.GetFileName(),this->GetDC(),0,this->m_data.m_bAutoAdjust);
			if(pArray)
			{
				if(this->m_FontArr)
					free(this->m_FontArr);
				this->m_FontArr = pArray;
				this->Invalidate();
			}
		}
		break;
	}
	return CDialog::OnCommand(wParam, lParam);
}

//================================================================================
//=		生成位图阵列
//================================================================================
BYTE *CdlgCharEdit::MakeBmpArray(CString FileName, CDC * pdc, COLORREF ForeColor,BOOL ByteAdjust)
{
	//	图片显示
	CImage oImg;

	CWnd *pWnd = this->GetDlgItem(IDC_PIC_DRAW);
	
	BYTE *pReturn= NULL;

	RECT rClient;
	RECT rParent;
	UINT W,H;
	UINT i,j,iSize;
	ULONG Co;

	//	装入图片
	oImg.Load(FileName);

	//	装入失败
	if(oImg.IsNull())
		return NULL;

	//	无效设备环境
	if(!pdc)
		return NULL;

	//	区域
	pWnd->GetClientRect(&rClient);
	pWnd->ClientToScreen(&rClient);
	
	this->GetClientRect(&rParent);
	this->ClientToScreen(&rParent);

	rClient.left   -= rParent.left;
	rClient.top    -= rParent.top ;
	rClient.right  -= rParent.left;
	rClient.bottom -= rParent.top ;

	//	图像比例
	if(oImg.GetWidth() > (rClient.right - rClient.left) || 
		oImg.GetHeight() > (rClient.bottom  - rClient.top))
	{
		W = rClient.right   - rClient.left;
		H = rClient.bottom  - rClient.top;

		if(((float)oImg.GetHeight() / (float)oImg.GetWidth()) > ((float)H / (float)W))
		{
			H = rClient.bottom  - rClient.top;
			W = (UINT)(H * (float)oImg.GetWidth() / (float)oImg.GetHeight());
		}
		else
		{
			W = rClient.right   - rClient.left;
			H = (UINT)(W * (float)oImg.GetHeight() / (float)oImg.GetWidth());
		}
	}
	else
	{
		W = oImg.GetWidth();
		H = oImg.GetHeight();
	}

	//	绘制图像
	oImg.Draw(pdc->GetSafeHdc(),rClient.left ,rClient.top ,W,H);

	//	自动对齐
	if(ByteAdjust)
	{
		W = (W + 7) / 8 * 8;
	}

	iSize = (W * H + 7) / 8 + 3;
	if(iSize > (MAX_MALLOC_SIZE) || iSize < 3)
	{
		return NULL;
	}

	pReturn = (BYTE *)malloc(iSize);
	if(!pReturn)
	{
		return NULL;
	}

	//	前景色
	Co = ForeColor;

	//	字体阵列头处理
	pReturn[0] = W;
	pReturn[1] = H;
	pReturn[2] = W >> 3;

	//	数据判断后修改
	for(i = 0;i < H; i++)
	{
		for(j = 0; j< W; j++)
		{
			ForeColor = pdc->GetPixel(j + rClient.left,i + rClient.top);

			if( (ForeColor & 0x0000ff) - (Co & 0x0000ff) < 0x000022 ||
				(ForeColor & 0x00ff00) - (Co & 0x00ff00) < 0x002200 ||
				(ForeColor & 0xff0000) - (Co & 0xff0000) < 0x220000 )
			{
				//	fill bits for array
				pReturn[3 + (i * W + j) / 8] |= 0x80 >> ((i * W + j) % 8);
			}
			else
			{
				//	cleran bits for arry
				pReturn[3 + (i * W + j) / 8] &= ~(0x80 >> ((i * W + j) % 8));
			}
		}
	}
	return pReturn;
}
//================================================================================
//=	回调函数
//================================================================================
BOOL CALLBACK tsEnumFontsProc(
	CONST LOGFONT *lplf,     // 枚举的逻辑字体
	CONST TEXTMETRIC *lptm,  // 物理字体信息
	DWORD dwType,            // 字体类型
	LPARAM lpData            // 传递给回调函数的数据指针
	)
{
	CdlgCharEdit *pThis = (CdlgCharEdit *)lpData;

	//	添加,并且过滤掉'@'开头的字体.