cedtviewdraw.cpp

Crimson编辑器的英文版,完成从韩文版变成英文版的移植,并且附带可执行文件和注册表文件,无需原先的安装包,是改写编辑器的最理想选择.

	GetSelectedPosition( nBegX, nBegY, nEndX, nEndY );

	RECT rectInvert;
	INT nParaCount = 0, nLineCount = 0;
//	SHORT siLineSplitIndex; 
	INT nCurY, nPosY; BOOL bLineVisible;

	POSITION pos = m_clsFormatedScreenText.GetHeadPosition();
	while( pos ) {
		CFormatedString & rLine = m_clsFormatedScreenText.GetNext( pos );
	//	siLineSplitIndex = rLine.m_siLineSplitIndex;

		nPosY = nLineCount * nLineHeight - m_nScrollPosY;
		bLineVisible = (nPosY >= -nLineHeight) && (nPosY <= rect.bottom);

		if( bLineVisible ) {
			nCurY = nLineCount * nLineHeight;

			if( nCurY >= nBegY && nCurY <= nEndY ) { // in block
				rectInvert.top = nPosY;
				rectInvert.bottom = nPosY + nCharHeight;

				if( m_bColumnMode ) {
					rectInvert.left = nBegX - m_nScrollPosX + nLeftMargin;
					if( nBegX == nEndX && nCurY != m_nCaretPosY ) {
						INT nCaretWidth = 25 * nAveCharWidth / 100; // default caret width
						rectInvert.right = rectInvert.left + nCaretWidth;
					} else rectInvert.right = nEndX - m_nScrollPosX + nLeftMargin;
				} else {
					if( nCurY == nBegY && nCurY == nEndY ) {
						rectInvert.left = nBegX - m_nScrollPosX + nLeftMargin;
						rectInvert.right = nEndX - m_nScrollPosX + nLeftMargin;
					} else if( nCurY == nBegY ) {
						rectInvert.left = nBegX - m_nScrollPosX + nLeftMargin;
						rectInvert.right = GetLastPosX(rLine) - m_nScrollPosX + nLeftMargin + nAveCharWidth;
					} else if( nCurY == nEndY ) {
						rectInvert.left = GetFirstPosX(rLine) - m_nScrollPosX + nLeftMargin;
						rectInvert.right = nEndX - m_nScrollPosX + nLeftMargin;
					} else {
						rectInvert.left = GetFirstPosX(rLine) - m_nScrollPosX + nLeftMargin;
						rectInvert.right = GetLastPosX(rLine) - m_nScrollPosX + nLeftMargin + nAveCharWidth;
					}
				}

				if( rectInvert.top    < rect.top    ) rectInvert.top    = rect.top;
				if( rectInvert.bottom > rect.bottom ) rectInvert.bottom = rect.bottom;
				if( rectInvert.left   < rect.left   ) rectInvert.left   = rect.left;
				if( rectInvert.right  > rect.right  ) rectInvert.right  = rect.right;

				m_dcScreen.InvertRect( & rectInvert );
			}
		}

		nLineCount++;
	//	if( siLineSplitIndex == 0 ) nParaCount++;
	}
}


void CCedtView::DrawPrintPageOutline(CDC * pDC, RECT rectDraw, INT nCurPage)
{
	CRect rect( rectDraw );
	INT nLineHeight = GetLineHeight( pDC );
	INT nPosX, nPosY; CSize size;

	CPen pen( PS_SOLID, 1, RGB(0, 0, 0) );
	CPen * pPenOld = pDC->SelectObject( & pen );
	pDC->SetTextColor( RGB(0, 0, 0) );

	if( m_bPrintHeader ) {
		nPosY = - rect.top;
		nPosX = rect.left;
		pDC->TextOut(nPosX, nPosY, m_szHeaderString[0]);

		size = pDC->GetTextExtent(m_szHeaderString[1]);
		nPosX = rect.left + (rect.Width() - size.cx) / 2;
		pDC->TextOut(nPosX, nPosY, m_szHeaderString[1]);

		size = pDC->GetTextExtent(m_szHeaderString[2]);
		nPosX = rect.right - size.cx;
		pDC->TextOut(nPosX, nPosY, m_szHeaderString[2]);

		nPosY = - rect.top - 4 * nLineHeight / 3;
		pDC->MoveTo(rect.left, nPosY);
		pDC->LineTo(rect.right, nPosY);
	}

	if( m_bPrintFooter ) {
		nPosY = - rect.bottom + 4 * nLineHeight / 3;
		pDC->MoveTo(rect.left, nPosY);
		pDC->LineTo(rect.right, nPosY);

		nPosY = - rect.bottom + nLineHeight;
		nPosX = rect.left;
		pDC->TextOut(nPosX, nPosY, m_szFooterString[0]);

		size = pDC->GetTextExtent(m_szFooterString[1]);
		nPosX = rect.left + (rect.Width() - size.cx) / 2;
		pDC->TextOut(nPosX, nPosY, m_szFooterString[1]);

		size = pDC->GetTextExtent(m_szFooterString[2]);
		nPosX = rect.right - size.cx;
		pDC->TextOut(nPosX, nPosY, m_szFooterString[2]);
	}

	pDC->SelectObject( pPenOld );
}


void CCedtView::DrawPrintPageBackgroundAndText(CDC * pDC, RECT rectDraw, INT nCurPage)
{
	CRect rect( rectDraw );
	INT nCharHeight = GetCharHeight(pDC);	INT nLineHeight = GetLineHeight(pDC);
	INT nLeftMargin = GetLeftMargin(pDC);	INT nAveCharWidth = GetAveCharWidth(pDC);

	INT nLinesPerPage = rect.Height() / nLineHeight;
	if( m_bPrintHeader ) { nLinesPerPage = nLinesPerPage - 2; rect.top = rect.top + 2 * nLineHeight; }
	if( m_bPrintFooter ) { nLinesPerPage = nLinesPerPage - 2; rect.bottom = rect.bottom - 2 * nLineHeight; }
	INT nScrollPosY = (nCurPage - 1) * nLinesPerPage * nLineHeight;

	INT nNumWidth = GetNumberWidth(pDC);
	INT nSpaceWidth = GetSpaceWidth(pDC);
	CSize size; CString szLineNumber;

	BOOL bMultiLineStringConstant = MultiLineStringConstant();
	BOOL bVariableHighlightInString = VariableHighlightInString();
	BOOL bQuotation1 = FALSE, bQuotation2 = FALSE, bQuotation3 = FALSE, bLineComment = FALSE, bBlockComment = FALSE;
	BOOL bHighlight = FALSE, bShadow = FALSE, bRange1 = FALSE, bRange2 = FALSE;
	BOOL bQuotation1Save, bQuotation2Save, bQuotation3Save, bLineCommentSave, bBlockCommentSave;
	BOOL bHighlightSave, bShadowSave, bRange1Save, bRange2Save;

	INT nParaCount = m_nFormatedPrintTextStartIdxY, nLineCount = 0; SHORT sWordCount;
	INT nParaMax = GetLastIdxY(), nLineMax = GetLastPosY() / nLineHeight;
	SHORT sInfoFlags, sLineSplitIndex; UCHAR cType, cType2, cRange; INT nPosition, nWidth;
	INT nPosX = 0, nPosY = 0; BOOL bLineVisible, bWordVisible;

	POSITION pos = m_clsFormatedPrintText.GetHeadPosition();
	while( pos ) {
		CFormatedString & rLine = m_clsFormatedPrintText.GetNext( pos );
		sInfoFlags = rLine.m_sInfoFlags; sLineSplitIndex = rLine.m_sLineSplitIndex;

		nPosY = nLineCount * nLineHeight - nScrollPosY;
		bLineVisible = (nPosY >= 0) && (nPosY <= rect.Height() - nLineHeight);

		if( sLineSplitIndex == 0 ) bLineComment = FALSE;
		if( sLineSplitIndex == 0 && ! bMultiLineStringConstant ) bQuotation1 = bQuotation2 = bQuotation3 = FALSE;

		if( bLineVisible ) {
			// draw line number
			if( m_bPrintLineNumbers && sLineSplitIndex == 0 ) {
				szLineNumber.Format("%d:", nParaCount+1);
				size = pDC->GetTextExtent(szLineNumber);
				nPosX = nLeftMargin - size.cx - nNumWidth / 1;
				pDC->SetTextColor( RGB(0, 0, 0) );
				pDC->TextOut(rect.left+nPosX, -rect.top-nPosY, szLineNumber);
			}

			// save status of before drawing background
			bQuotation1Save = bQuotation1;	bQuotation2Save = bQuotation2;	bQuotation3Save = bQuotation3;	bLineCommentSave = bLineComment;	bBlockCommentSave = bBlockComment;
			bHighlightSave = bHighlight;	bShadowSave = bShadow;			bRange1Save = bRange1;			bRange2Save = bRange2;

			// drawing background - the reason why we split from drawing background from drawing text is that
			//                      when the font is italic drawing next background will erase part of previous text
			for(sWordCount = 0; sWordCount < rLine.m_sWordCount; sWordCount++) {
				FORMATEDWORDINFO & rWord = rLine.m_pWordInfo[sWordCount];
				cType = rWord.m_cType; cRange = rWord.m_cRange; 
				nPosition = rWord.m_nPosition; nWidth = rWord.m_nWidth;

				nPosX = nLeftMargin + nPosition;
				if( cType == WT_RETURN || cType == WT_LINEFEED ) nWidth = rect.right - rect.left - nPosX;
				bWordVisible = nPosX + nWidth >= nLeftMargin && nPosX <= rect.right;

				cType2 = _CheckType(cType, cRange, bQuotation1, bQuotation2, bQuotation3, bLineComment, bBlockComment, bHighlight, bShadow, bRange1, bRange2);

				if( m_bPrintSyntaxHighlight && bWordVisible && (bRange1 || cType == WT_RANGE1END) && m_crBkgrColor[0] != m_crBkgrColor[3] ) {
					if( sWordCount == 0 && nPosition != 0 ) pDC->FillSolidRect(rect.left+nLeftMargin, -(rect.top+nPosY+nCharHeight)-(nLineHeight-nCharHeight)/2, nPosX-nLeftMargin, nLineHeight, m_crBkgrColor[0x03]);
					pDC->FillSolidRect(rect.left+nPosX, -(rect.top+nPosY+nCharHeight)-(nLineHeight-nCharHeight)/2, nWidth, nLineHeight, m_crBkgrColor[0x03]);
				}
				if( m_bPrintSyntaxHighlight && bWordVisible && (bRange2 || cType == WT_RANGE2END) && ! bRange1 && m_crBkgrColor[0] != m_crBkgrColor[4] ) {
					if( sWordCount == 0 && nPosition != 0 ) pDC->FillSolidRect(rect.left+nLeftMargin, -(rect.top+nPosY+nCharHeight)-(nLineHeight-nCharHeight)/2, nPosX-nLeftMargin, nLineHeight, m_crBkgrColor[0x04]);
					pDC->FillSolidRect(rect.left+nPosX, -(rect.top+nPosY+nCharHeight)-(nLineHeight-nCharHeight)/2, nWidth, nLineHeight, m_crBkgrColor[0x04]);
				}
			}

			// restore status of before drawing text
			bQuotation1 = bQuotation1Save;	bQuotation2 = bQuotation2Save;	bQuotation3 = bQuotation3Save;	bLineComment = bLineCommentSave;	bBlockComment = bBlockCommentSave;
			bHighlight = bHighlightSave;	bShadow = bShadowSave;			bRange1 = bRange1Save;			bRange2 = bRange2Save;

			// drawing text
			for(sWordCount = 0; sWordCount < rLine.m_sWordCount; sWordCount++) {
				FORMATEDWORDINFO & rWord = rLine.m_pWordInfo[sWordCount];
				cType = rWord.m_cType; cRange = rWord.m_cRange; 
				nPosition = rWord.m_nPosition; nWidth = rWord.m_nWidth;

				nPosX = nLeftMargin + nPosition;
				if( cType == WT_RETURN || cType == WT_LINEFEED ) nWidth = rect.right - rect.left - nPosX;
				bWordVisible = nPosX + nWidth >= nLeftMargin && nPosX <= rect.right;
				cType2 = _CheckType(cType, cRange, bQuotation1, bQuotation2, bQuotation3, bLineComment, bBlockComment, bHighlight, bShadow, bRange1, bRange2);

				if( bWordVisible && cType != WT_LINEFEED ) {
					if( ! m_bPrintSyntaxHighlight ) pDC->SetTextColor(RGB(0, 0, 0));
					else if( bLineComment || bBlockComment ) pDC->SetTextColor(m_crTextColor[WT_LINECOMMENT]);
					else if( bHighlight ) pDC->SetTextColor(m_crTextColor[WT_HIGHLIGHTON]);
					else if( bShadow ) pDC->SetTextColor(m_crTextColor[WT_SHADOWON]);
					else if( bQuotation1 || bQuotation2 || bQuotation3 ) {
						if( bVariableHighlightInString && cType2 == WT_VARIABLE ) m_dcScreen.SetTextColor(m_crTextColor[WT_VARIABLE] / 2 + m_crTextColor[WT_QUOTATION1] / 2);
						else pDC->SetTextColor(m_crTextColor[WT_QUOTATION1]);
					} else if( _IS_BET(WT_KEYWORD0, cType, WT_KEYWORD9) && cRange != RT_GLOBAL ) {
						if( _CheckRange(bRange1, bRange2, cRange) ) pDC->SetTextColor(m_crTextColor[cType2]);
						else pDC->SetTextColor(m_crTextColor[WT_WORD]);
					} else pDC->SetTextColor(m_crTextColor[cType2]);