void CHideButton::DrawControl(CDC &dc, CRect rcUpdate) { int nWidth = m_rc.Width(); int nHeight = m_rc.Height(); if(!m_bUpdate) { UpdateMemDC(dc, nWidth * 5, nHeight); for(int i = 0; i < 4; i++) { m_memDC.BitBlt(i * nWidth, 0, nWidth, nHeight, &dc, m_rc.left ,m_rc.top, SRCCOPY); } Color clrText[4] = {m_clrTextNormal, m_clrTextHover, m_clrTextDown, m_clrTextDisable}; Graphics graphics(m_memDC); BSTR bsFont = m_strFont.AllocSysString(); FontFamily fontFamily(bsFont); Font font(&fontFamily, (REAL)m_nFontWidth, m_fontStyle, UnitPixel); graphics.SetTextRenderingHint( TextRenderingHintClearTypeGridFit ); ::SysFreeString(bsFont); // 设置水平和垂直对齐方式 DUI_STRING_ALIGN_DEFINE(); strFormat.SetFormatFlags( StringFormatFlagsNoWrap | StringFormatFlagsMeasureTrailingSpaces); Size sizeTip = GetTextBounds(font, strFormat, m_strTip); Size sizeText = GetTextBounds(font, strFormat, m_strTitle); m_rcText.SetRect(m_rc.left + sizeTip.Width + 10, m_rc.top, m_rc.left + sizeTip.Width + 10 + sizeText.Width, m_rc.top + sizeText.Height); SolidBrush solidBrushTip(m_clrTip); for(int i = 0; i < 4; i++) { RectF rect((Gdiplus::REAL)(i * nWidth), (Gdiplus::REAL)0, (Gdiplus::REAL)(sizeTip.Width + 10), (Gdiplus::REAL)sizeTip.Height); BSTR bsTip = m_strTip.AllocSysString(); graphics.DrawString(bsTip, (INT)wcslen(bsTip), &font, rect, &strFormat, &solidBrushTip); ::SysFreeString(bsTip); if(i > 0) { SolidBrush solidBrush(clrText[i - 1]); RectF rect((Gdiplus::REAL)(sizeTip.Width + 10 + i * nWidth), (Gdiplus::REAL)0, (Gdiplus::REAL)(nWidth - (sizeTip.Width + 10)), (Gdiplus::REAL)sizeText.Height); BSTR bsTitle = m_strTitle.AllocSysString(); graphics.DrawString(bsTitle, (INT)wcslen(bsTitle), &font, rect, &strFormat, &solidBrush); ::SysFreeString(bsTitle); } } } dc.BitBlt(m_rc.left,m_rc.top, m_rc.Width(), m_rc.Height(), &m_memDC, m_bShowButton ? (1 + m_enButtonState) * nWidth : 0, 0, SRCCOPY); }
void CTextButton::DrawControl(CDC &dc, CRect rcUpdate) { int nWidth = m_rc.Width(); int nHeight = m_rc.Height(); if(!m_bUpdate) { UpdateMemDC(dc, nWidth * 4, nHeight); for(int i = 0; i < 4; i++) { m_memDC.BitBlt(i * nWidth, 0, nWidth, nHeight, &dc, m_rc.left ,m_rc.top, SRCCOPY); } Color clrText[4] = {m_clrTextNormal, m_clrTextHover, m_clrTextDown, m_clrTextDisable}; Graphics graphics(m_memDC); BSTR bsFont = m_strFont.AllocSysString(); FontFamily fontFamily(bsFont); Font font(&fontFamily, (REAL)m_nFontWidth, m_fontStyle, UnitPixel); graphics.SetTextRenderingHint( TextRenderingHintClearTypeGridFit ); ::SysFreeString(bsFont); // 设置水平和垂直对齐方式 DUI_STRING_ALIGN_DEFINE(); strFormat.SetFormatFlags( StringFormatFlagsNoWrap | StringFormatFlagsMeasureTrailingSpaces); Size size = GetTextBounds(font, strFormat, m_strTitle); CPoint point = GetOriginPoint(nWidth, nHeight, size.Width, size.Height, m_uAlignment, m_uVAlignment); for(int i = 0; i < 4; i++) { SolidBrush solidBrush(clrText[i]); RectF rect((Gdiplus::REAL)(point.x + i * nWidth), (Gdiplus::REAL)point.y, (Gdiplus::REAL)(nWidth - point.x), (Gdiplus::REAL)size.Height); BSTR bsTitle = m_strTitle.AllocSysString(); graphics.DrawString(bsTitle, (INT)wcslen(bsTitle), &font, rect, &strFormat, &solidBrush); ::SysFreeString(bsTitle); } } dc.BitBlt(m_rc.left,m_rc.top, m_rc.Width(), m_rc.Height(), &m_memDC, m_enButtonState * nWidth, 0, SRCCOPY); }
void CDuiSlider::DrawControl(CDC &dc, CRect rcUpdate) { int nWidth = m_rc.Width(); int nHeight = m_rc.Height(); if(!m_bUpdate) { UpdateMemDC(dc, nWidth, nHeight * 4); Graphics graphics(m_memDC); // 画4个状态的内存图片 for(int i = 0; i < 4; i++) { // 复制背景 m_memDC.BitBlt(0, i * nHeight, nWidth, nHeight, &dc, m_rc.left ,m_rc.top, SRCCOPY); int nPosY = i * nHeight; if(m_pImageForeGround != NULL) // 使用背景和前景图片画进度条 { if(m_pImageBackGround != NULL) // 画背景 { DrawImageFrameMID(graphics, m_pImageBackGround, CRect(0, nPosY + m_nThumbTop, nWidth, nPosY + m_nThumbTop + m_nSliderHeight), 0, 0, m_sizeBackGround.cx, m_sizeBackGround.cy, m_nHeadLength, 0, m_nHeadLength, 0); } if(m_nProgress != 0) // 画前景 { DrawImageFrameMID(graphics, m_pImageForeGround, CRect(0, nPosY + m_nThumbTop, nWidth * m_nProgress / m_nMaxProgress, nPosY + m_nThumbTop + m_nSliderHeight), 0, 0, m_sizeForeGround.cx, m_sizeForeGround.cy, m_nHeadLength, 0, m_nHeadLength, 0); } }else if(m_pImage != NULL) // 使用单张图片画进度条 { DrawImageFrame(graphics, m_pImage, CRect(0, nPosY + m_nThumbTop, nWidth, nPosY + m_nThumbTop + m_nSliderHeight), 0, 0, m_sizeImage.cx, m_sizeImage.cy, 2); if(m_nProgress != 0) { DrawImageFrame(graphics, m_pImage, CRect(0, nPosY + m_nThumbTop, nWidth * m_nProgress / m_nMaxProgress, nPosY + m_nThumbTop + m_nSliderHeight), m_sizeImage.cx, 0, m_sizeImage.cx, m_sizeImage.cy, 2); } } // 画滑块 if(m_pImageThumb != NULL) { // 计算滑块的位置 int nPos = (int)__max(m_rc.Width() * m_nProgress / m_nMaxProgress - m_nThumbWidth / 2, 0); nPos = (int)__min(nPos, m_rc.Width() - m_nThumbWidth); Rect rect(nPos, nPosY, m_nThumbWidth, m_nThumbHeight); graphics.DrawImage(m_pImageThumb, rect, i * m_sizeThumb.cx, 0, m_sizeThumb.cx, m_sizeThumb.cy, UnitPixel); } // 画进度文字 if(m_bShowText) { BSTR bsFont = m_strFont.AllocSysString(); FontFamily fontFamily(bsFont); Font font(&fontFamily, (REAL)m_nFontWidth, m_fontStyle, UnitPixel); ::SysFreeString(bsFont); SolidBrush solidBrush(m_clrText); graphics.SetTextRenderingHint( TextRenderingHintClearTypeGridFit ); // 设置水平和垂直对齐方式 DUI_STRING_ALIGN_DEFINE(); strFormat.SetFormatFlags( StringFormatFlagsNoClip | StringFormatFlagsMeasureTrailingSpaces); CString strText; // 只有最大值设置为100情况下才会显示百分号 strText.Format(_T("%s%d%s"), m_strTitle, m_nProgress, (m_nMaxProgress == 100) ? _T("%") : _T("")); BSTR bsTitle = strText.AllocSysString(); RectF rect((Gdiplus::REAL)(0), (Gdiplus::REAL)nPosY, (Gdiplus::REAL)nWidth, (Gdiplus::REAL)nHeight); graphics.DrawString(bsTitle, (INT)wcslen(bsTitle), &font, rect, &strFormat, &solidBrush); ::SysFreeString(bsTitle); } } } dc.BitBlt(m_rc.left,m_rc.top, m_rc.Width(), m_rc.Height(), &m_memDC, 0, m_enButtonState * nHeight, SRCCOPY); }
// 画控件 void CMenuItem::DrawControl(CDC &dc, CRect rcUpdate) { int nWidth = m_rc.Width(); int nHeight = m_rc.Height(); if(!m_bUpdate) { int nImageCount = m_bSelect ? 6 : 4; if(m_bIsSeparator) { nImageCount = 1; } UpdateMemDC(dc, nWidth * nImageCount, nHeight); // 刷新图片的大小(因为m_bSelect选项有可能在SetBitmap之后有变化) if(m_pImage != NULL) { if(m_bIsPopup && (m_pImagePopupArrow == NULL)) { // 弹出菜单的箭头,固定是两个小图片 m_sizeImage.SetSize(m_pImage->GetWidth() / 2, m_pImage->GetHeight()); }else if(m_bIsSeparator) { // 分隔线,只有一个图片 m_sizeImage.SetSize(m_pImage->GetWidth(), m_pImage->GetHeight()); }else if(m_bSelect) { // checkbox或radiobutton,固定为6个小图片 m_sizeImage.SetSize(m_pImage->GetWidth() / 6, m_pImage->GetHeight()); }else { // 按照设置的小图片个数计算 m_sizeImage.SetSize(m_pImage->GetWidth() / m_nImagePicCount, m_pImage->GetHeight()); } } Graphics graphics(m_memDC); CRect rcTemp(0, 0, nWidth, nHeight); for(int i = 0; i < nImageCount; i++) { m_memDC.BitBlt(i * nWidth, 0, nWidth, nHeight, &dc, m_rc.left ,m_rc.top, SRCCOPY); if(enBSHover == i || (enBSDown == i && !m_bSelect) || enBSHoverDown == i) { // 画菜单项背景 if(m_pImageHover != NULL) { // 使用拉伸模式属性画图 graphics.DrawImage(m_pImageHover, RectF((Gdiplus::REAL)(i * nWidth+m_nFrameWidth), 0, (Gdiplus::REAL)(nWidth-m_nFrameWidth*2), (Gdiplus::REAL)nHeight), 0, 0, (Gdiplus::REAL)m_sizeHover.cx, (Gdiplus::REAL)m_sizeHover.cy, UnitPixel); }else { // 使用颜色填充 SolidBrush brush(m_clrHover);//Color(254, 71, 156, 235)); graphics.FillRectangle(&brush, i * nWidth+m_nFrameWidth, 0, nWidth-m_nFrameWidth*2, nHeight); } } // 画菜单项图片 if(m_pImage != NULL) { if(m_bIsSeparator) { // 如果是分隔线,则采用平铺方式画图 TextureBrush tileBrush(m_pImage, WrapModeTile); graphics.FillRectangle(&tileBrush, RectF((Gdiplus::REAL)rcTemp.left, (Gdiplus::REAL)(rcTemp.top + (nHeight - m_sizeImage.cy) / 2), (Gdiplus::REAL)(nWidth-m_nFrameWidth*2), (Gdiplus::REAL)m_sizeImage.cy)); }else if(m_bIsPopup && (m_pImagePopupArrow == NULL)) { // 如果是弹出菜单,并且没有设置菜单的箭头图片,则用菜单图片作为右侧的箭头图片 graphics.DrawImage(m_pImage, Rect(rcTemp.right - m_sizeImage.cx - 6, rcTemp.top + (nHeight - m_sizeImage.cy) / 2, m_sizeImage.cx, m_sizeImage.cy), (i % 2) * m_sizeImage.cx, 0, m_sizeImage.cx, m_sizeImage.cy, UnitPixel); }else if(m_bSelect) { // checkbox或radiobutton graphics.DrawImage(m_pImage, Rect(rcTemp.left + (m_nLeft - m_sizeImage.cx) / 2, rcTemp.top + (nHeight - m_sizeImage.cy) / 2, m_sizeImage.cx, m_sizeImage.cy), i * m_sizeImage.cx, 0, m_sizeImage.cx, m_sizeImage.cy, UnitPixel); }else { // 普通菜单项的图片,如果小图片个数不足,则使用第一个小图片 graphics.DrawImage(m_pImage, Rect(rcTemp.left + (m_nLeft - m_sizeImage.cx) / 2, rcTemp.top + (nHeight - m_sizeImage.cy) / 2, m_sizeImage.cx, m_sizeImage.cy), ((m_nImagePicCount-1 < i) ? 0 : i) * m_sizeImage.cx, 0, m_sizeImage.cx, m_sizeImage.cy, UnitPixel); } } // 如果是弹出菜单,并且设置了菜单的箭头图片,则画右侧的箭头图片 if(m_bIsPopup && (m_pImagePopupArrow != NULL)) { graphics.DrawImage(m_pImagePopupArrow, Rect(rcTemp.right - m_sizePopupArrow.cx - 6, rcTemp.top + (nHeight - m_sizePopupArrow.cy) / 2, m_sizePopupArrow.cx, m_sizePopupArrow.cy), (i % 2) * m_sizePopupArrow.cx, 0, m_sizePopupArrow.cx, m_sizePopupArrow.cy, UnitPixel); } rcTemp.OffsetRect(nWidth, 0); } // 画菜单项文字 if(!m_strTitle.IsEmpty()) { m_memDC.SetBkMode(TRANSPARENT); rcTemp.SetRect(0, 0, nWidth, nHeight); BSTR bsFont = m_strFont.AllocSysString(); FontFamily fontFamily(bsFont); Font font(&fontFamily, (REAL)m_nFontWidth, m_fontStyle, UnitPixel); graphics.SetTextRenderingHint( TextRenderingHintClearTypeGridFit ); ::SysFreeString(bsFont); // 设置菜单文字的水平和垂直对齐方式,默认是水平方向左对齐,垂直方向中间对齐 DUI_STRING_ALIGN_DEFINE(); strFormat.SetFormatFlags( StringFormatFlagsNoWrap | StringFormatFlagsMeasureTrailingSpaces); for(int i = 0; i < nImageCount; i++) { SolidBrush solidBrush(enBSDisable == i ? Color(254, 128, 128, 128) : (enBSHover == i || (enBSDown == i && !m_bSelect) || enBSHoverDown == i ? Color(254, 255, 255, 255) : Color(254, 56, 56, 56))); RectF rect((Gdiplus::REAL)(m_nLeft + i * nWidth), (Gdiplus::REAL)0, (Gdiplus::REAL)(nWidth - m_nLeft), (Gdiplus::REAL)nHeight); BSTR bsTitle = m_strTitle.AllocSysString(); graphics.DrawString(bsTitle, (INT)wcslen(bsTitle), &font, rect, &strFormat, &solidBrush); ::SysFreeString(bsTitle); } } } dc.BitBlt(m_rc.left,m_rc.top, m_rc.Width(), m_rc.Height(), &m_memDC, m_enButtonState * nWidth, 0, SRCCOPY); }
void CDuiGridCtrl::DrawControl(CDC &dc, CRect rcUpdate) { // 列表画图方法: // 1.列表的虚拟高度为每一行高度*行数 // 2.列表显示的top坐标由scroll控件记录 // 3.重画时候,根据top坐标位置计算出显示的第一行的序号,根据显示高度计算出显示的最后一行的序号 // 4.根据计算出的显示的行,画相应的内容到内存dc中 // 5.计算出显示的top坐标进行内存dc的拷贝 int nTotalColumnWidth = GetTotalColumnWidth(); // 总的列宽度 int nViewWidth = m_rc.Width() - m_nScrollWidth; // 减去滚动条的显示区域宽度 CDuiScrollHorizontal* pScrollH = (CDuiScrollHorizontal*)m_pControScrollH; int nCurPosH = pScrollH->GetScrollCurrentPos(); // 当前left位置 int nMaxRangeH = pScrollH->GetScrollMaxRange(); int nContentWidth = (nTotalColumnWidth > nViewWidth) ? nTotalColumnWidth : nViewWidth; // 内容部分的宽度(如果总的列宽小于显示区域宽度,则使用显示区域宽度) m_nVirtualLeft = (nMaxRangeH > 0) ? (int)((double)nCurPosH*(nContentWidth-nViewWidth)/nMaxRangeH) : 0; // 当前滚动条位置对应的虚拟的left位置 int nHeightAll = m_vecRowInfo.size()*m_nRowHeight; // 总的虚拟高度 //m_rc.Height(); CDuiScrollVertical* pScrollV = (CDuiScrollVertical*)m_pControScrollV; int nCurPosV = pScrollV->GetScrollCurrentPos(); // 当前top位置 int nMaxRangeV = pScrollV->GetScrollMaxRange(); m_nVirtualTop = (nMaxRangeV > 0) ? (int)((double)nCurPosV*(nHeightAll-m_rc.Height())/nMaxRangeV) : 0; // 当前滚动条位置对应的虚拟的top位置 if(m_nVirtualTop < 0) { m_nVirtualTop = 0; pScrollV->SetScrollCurrentPos(0); } m_nFirstViewRow = m_nVirtualTop / m_nRowHeight; // 显示的第一行序号 m_nLastViewRow = (m_nVirtualTop + m_rc.Height() - m_nHeaderHeight) / m_nRowHeight; // 显示的最后一行序号 if(m_nLastViewRow >= (int)m_vecRowInfo.size()) { m_nLastViewRow = m_vecRowInfo.size() - 1; } if(m_nLastViewRow < 0) { m_nLastViewRow = 0; } int nHeightView = (m_nLastViewRow - m_nFirstViewRow +1) * m_nRowHeight; // 显示涉及到的虚拟高度 int nYViewPos = m_nVirtualTop - (m_nFirstViewRow * m_nRowHeight); // 内存dc显示到屏幕时候的top位置 if(nYViewPos < 0) { nYViewPos = 0; } if(!m_bUpdate) { UpdateMemDC(dc, nTotalColumnWidth, nHeightView); Graphics graphics(m_memDC); m_memDC.BitBlt(m_nVirtualLeft, 0, nViewWidth, nHeightView, &dc, m_rc.left, m_rc.top, WHITENESS); // 画白色背景 DrawVerticalTransition(m_memDC, dc, CRect(m_nVirtualLeft, nYViewPos, nViewWidth+m_nVirtualLeft, m_rc.Height()+nYViewPos-m_nHeaderHeight), // 背景透明度 m_rc, m_nBkTransparent, m_nBkTransparent); BSTR bsFontTitle = m_strFontTitle.AllocSysString(); FontFamily fontFamilyTitle(bsFontTitle); Font fontTitle(&fontFamilyTitle, (REAL)m_nFontTitleWidth, m_fontTitleStyle, UnitPixel); ::SysFreeString(bsFontTitle); BSTR bsFont = m_strFont.AllocSysString(); FontFamily fontFamily(bsFont); Font font(&fontFamily, (REAL)m_nFontWidth, m_fontStyle, UnitPixel); ::SysFreeString(bsFont); SolidBrush solidBrush(m_clrText); // 正常文字画刷 SolidBrush solidBrushH(m_clrTextHover); // 热点文字画刷 SolidBrush solidBrushD(m_clrTextDown); // 当前行画刷 SolidBrush solidBrushT(m_clrTitle); // 标题文字画刷 SolidBrush solidBrushS(m_clrSeperator); // 分割线画刷 graphics.SetTextRenderingHint( TextRenderingHintClearTypeGridFit ); // 设置普通文字的水平和垂直对齐方式 DUI_STRING_ALIGN_DEFINE(); strFormat.SetTrimming(StringTrimmingEllipsisWord); // 以单词为单位去尾,略去部分使用省略号 //strFormat.SetFormatFlags( StringFormatFlagsNoClip | StringFormatFlagsMeasureTrailingSpaces); if(!m_bTextWrap) { strFormat.SetFormatFlags(StringFormatFlagsNoWrap | StringFormatFlagsMeasureTrailingSpaces); // 不换行 } // 标题字段采用中间对齐 StringFormat strFormatHeader; strFormatHeader.SetAlignment(StringAlignmentCenter); // 中间对齐 strFormatHeader.SetLineAlignment(StringAlignmentCenter); // 中间对齐 if(!m_bTextWrap) { strFormatHeader.SetFormatFlags(StringFormatFlagsNoWrap | StringFormatFlagsMeasureTrailingSpaces); // 不换行 } // 画标题行 if((m_nHeaderHeight > 0) && (m_vecColumnInfo.size() > 0)) { // 画单元格内容 int nPosItemX = 0; for(size_t j = 0; j < m_vecColumnInfo.size(); j++) { GridColumnInfo &columnInfo = m_vecColumnInfo.at(j); int nWidth = columnInfo.nWidth; if(j == 0) { nWidth += m_nLeftPos; } RectF rect((Gdiplus::REAL)nPosItemX, 0, (Gdiplus::REAL)nWidth, (Gdiplus::REAL)(m_nHeaderHeight-1)); // 画列标题 CString strTitle = columnInfo.strTitle; BSTR bsTitle = strTitle.AllocSysString(); graphics.DrawString(bsTitle, (INT)wcslen(bsTitle), &font, rect, &strFormatHeader, &solidBrushT); ::SysFreeString(bsTitle); nPosItemX += nWidth; } } if(m_vecRowInfo.size() > 0) { for(int i = m_nFirstViewRow; i <= m_nLastViewRow && i < (int)m_vecRowInfo.size(); i++) { GridRowInfo &rowInfo = m_vecRowInfo.at(i); SolidBrush solidBrushRow(rowInfo.clrText); // 行定义的颜色 int nXPos = 0; int nVI = i - m_nFirstViewRow; // 鼠标移动到行时候显示的背景颜色(如果设置为全0,则不显示行背景颜色) if((m_nHoverRow == i) && (m_clrRowHover.GetValue() != Color(0, 0, 0, 0).GetValue())) { SolidBrush brush(m_clrRowHover); graphics.FillRectangle(&brush, 0, m_nHeaderHeight + nVI*m_nRowHeight, nContentWidth, m_nRowHeight); } // 画检查框 int nCheckImgY = 3; if((m_sizeCheckBox.cy*2 > m_nRowHeight) || (m_uVAlignment == VAlign_Middle)) { nCheckImgY = (m_nRowHeight - m_sizeCheckBox.cy) / 2 + 1; } if((rowInfo.nCheck != -1) && (m_pImageCheckBox != NULL)) { int nCheckImageIndex = ((m_nHoverRow == i) ? ((rowInfo.nCheck==1) ? 4 : 1) : ((rowInfo.nCheck==1) ? 2 : 0)); graphics.DrawImage(m_pImageCheckBox, Rect(nXPos, m_nHeaderHeight + nVI*m_nRowHeight + nCheckImgY, m_sizeCheckBox.cx, m_sizeCheckBox.cy), nCheckImageIndex * m_sizeCheckBox.cx, 0, m_sizeCheckBox.cx, m_sizeCheckBox.cy, UnitPixel); rowInfo.rcCheck.SetRect(nXPos, i*m_nRowHeight + nCheckImgY, nXPos + m_sizeCheckBox.cx, i*m_nRowHeight + nCheckImgY + m_sizeCheckBox.cy); nXPos += (m_sizeCheckBox.cx + 3); } // 画行左边图片 int nImgY = 3; if(rowInfo.pImage != NULL) { if((rowInfo.sizeImage.cy*2 > m_nRowHeight) || (m_uVAlignment == VAlign_Middle)) { nImgY = (m_nRowHeight - rowInfo.sizeImage.cy) / 2 + 1; } // 使用行数据指定的图片 graphics.DrawImage(rowInfo.pImage, Rect(nXPos, m_nHeaderHeight + nVI*m_nRowHeight + nImgY, rowInfo.sizeImage.cx, rowInfo.sizeImage.cy), 0, 0, rowInfo.sizeImage.cx, rowInfo.sizeImage.cy, UnitPixel); nXPos += (rowInfo.sizeImage.cx + 3); }else if((rowInfo.nImageIndex != -1) && (m_pImage != NULL)) { if((m_sizeImage.cy*2 > m_nRowHeight) || (m_uVAlignment == VAlign_Middle)) { nImgY = (m_nRowHeight - m_sizeImage.cy) / 2 + 1; } // 使用索引图片 graphics.DrawImage(m_pImage, Rect(nXPos, m_nHeaderHeight + nVI*m_nRowHeight + nImgY, m_sizeImage.cx, m_sizeImage.cy), rowInfo.nImageIndex*m_sizeImage.cx, 0, m_sizeImage.cx, m_sizeImage.cy, UnitPixel); nXPos += (m_sizeImage.cx + 3); } // 画行右边图片 int nRightImageWidth = 0; nImgY = 3; if(rowInfo.pRightImage != NULL) { if((rowInfo.sizeRightImage.cy*2 > m_nRowHeight) || (m_uVAlignment == VAlign_Middle)) { nImgY = (m_nRowHeight - rowInfo.sizeRightImage.cy) / 2 + 1; } // 使用行数据指定的图片 graphics.DrawImage(rowInfo.pRightImage, Rect(nContentWidth-rowInfo.sizeRightImage.cx-1, m_nHeaderHeight + nVI*m_nRowHeight + nImgY, rowInfo.sizeRightImage.cx, rowInfo.sizeRightImage.cy), 0, 0, rowInfo.sizeRightImage.cx, rowInfo.sizeRightImage.cy, UnitPixel); nRightImageWidth = rowInfo.sizeRightImage.cx + 1; }else if((rowInfo.nRightImageIndex != -1) && (m_pImage != NULL)) { if((m_sizeImage.cy*2 > m_nRowHeight) || (m_uVAlignment == VAlign_Middle)) { nImgY = (m_nRowHeight - m_sizeImage.cy) / 2 + 1; } // 使用索引图片 graphics.DrawImage(m_pImage, Rect(nContentWidth-m_sizeImage.cx-1, m_nHeaderHeight + nVI*m_nRowHeight + nImgY, m_sizeImage.cx, m_sizeImage.cy), rowInfo.nRightImageIndex*m_sizeImage.cx, 0, m_sizeImage.cx, m_sizeImage.cy, UnitPixel); nRightImageWidth = m_sizeImage.cx + 1; } // 画单元格内容 int nPosItemX = (m_nLeftPos != 0) ? m_nLeftPos : nXPos; for(size_t j = 0; j < rowInfo.vecItemInfo.size(); j++) { GridColumnInfo &columnInfo = m_vecColumnInfo.at(j); GridItemInfo &itemInfo = rowInfo.vecItemInfo.at(j); BOOL bSingleLine = (itemInfo.strContent.IsEmpty() || !itemInfo.strLink.IsEmpty()); RectF rect((Gdiplus::REAL)nPosItemX, (Gdiplus::REAL)(m_nHeaderHeight + nVI*m_nRowHeight + 1), (Gdiplus::REAL)((j == 0) ? (itemInfo.rcItem.Width() - nPosItemX): itemInfo.rcItem.Width()), (Gdiplus::REAL)(bSingleLine ? (m_nRowHeight - 2) : (m_nRowHeight / 2 - 2))); if((int)(rect.GetRight()) > nContentWidth) { // 最后一列需要减去滚动条宽度 rect.Width -= m_nScrollWidth; } // 画单元格图片 int nItemImageX = 0; int nImgY = 3; if(itemInfo.pImage != NULL) { if((itemInfo.sizeImage.cy*2 > m_nRowHeight) || (m_uVAlignment == VAlign_Middle)) { nImgY = (m_nRowHeight - rowInfo.sizeImage.cy) / 2 + 1; } // 使用单元格指定的图片 graphics.DrawImage(itemInfo.pImage, Rect(nPosItemX+nItemImageX, m_nHeaderHeight + nVI*m_nRowHeight + nImgY, itemInfo.sizeImage.cx, itemInfo.sizeImage.cy), 0, 0, itemInfo.sizeImage.cx, itemInfo.sizeImage.cy, UnitPixel); nItemImageX += (itemInfo.sizeImage.cx + 3); }else if((itemInfo.nImageIndex != -1) && (m_pImage != NULL)) { if((m_sizeImage.cy*2 > m_nRowHeight) || (m_uVAlignment == VAlign_Middle)) { nImgY = (m_nRowHeight - m_sizeImage.cy) / 2 + 1; } // 使用索引图片 graphics.DrawImage(m_pImage, Rect(nPosItemX+nItemImageX, m_nHeaderHeight + nVI*m_nRowHeight + nImgY, m_sizeImage.cx, m_sizeImage.cy), itemInfo.nImageIndex*m_sizeImage.cx, 0, m_sizeImage.cx, m_sizeImage.cy, UnitPixel); nItemImageX += (m_sizeImage.cx + 3); } rect.Offset((Gdiplus::REAL)nItemImageX, 0); rect.Width -= (Gdiplus::REAL)nItemImageX; // 画单元格标题或链接内容 SolidBrush solidBrushItem(m_clrText); if((m_nHoverRow == i) && (m_clrTextHover.GetValue() != Color(0, 0, 0, 0).GetValue())) // 设置了鼠标移动颜色,则使用 { solidBrushItem.SetColor(m_clrTextHover); }else if((m_nDownRow == i) && (m_clrTextDown.GetValue() != Color(0, 0, 0, 0).GetValue())) // 设置了鼠标按下颜色,则使用 { solidBrushItem.SetColor(m_clrTextDown); }else if(itemInfo.clrText.GetValue() != Color(0, 0, 0, 0).GetValue()) // 设置了单元格颜色,则使用 { solidBrushItem.SetColor(itemInfo.clrText); }else if(rowInfo.bRowColor) // 设置了行颜色,则使用 { solidBrushItem.SetColor(rowInfo.clrText); } CString strItemTitle = itemInfo.strTitle; // 计算是否需要显示tip itemInfo.bNeedTitleTip = rect.Width < GetTextBounds(font, strItemTitle).Width; itemInfo.bNeedContentTip = rect.Width < GetTextBounds(font, itemInfo.strContent).Width; if(!itemInfo.strLink.IsEmpty()) { strItemTitle = itemInfo.strLink; if((m_nHoverRow == i) && (rowInfo.nHoverItem == j)) { solidBrushItem.SetColor(m_clrTextHover); }else { solidBrushItem.SetColor((itemInfo.clrText.GetValue() != Color(0, 0, 0, 0).GetValue()) ? itemInfo.clrText : m_clrText); } } // 设置单元格文字对齐方式,使用列的对齐方式 StringFormat strFormatColumn; UINT uAlignment = m_uAlignment; if(columnInfo.uAlignment != 0xFFFFUL) { uAlignment = columnInfo.uAlignment; } if(uAlignment == Align_Left) { strFormatColumn.SetAlignment(StringAlignmentNear); }else if(uAlignment == Align_Center) { strFormatColumn.SetAlignment(StringAlignmentCenter); }else if(uAlignment == Align_Right) { strFormatColumn.SetAlignment(StringAlignmentFar); } UINT uVAlignment = m_uVAlignment; if(columnInfo.uVAlignment != 0xFFFFUL) { uVAlignment = columnInfo.uVAlignment; } if(uVAlignment == VAlign_Top) { strFormatColumn.SetLineAlignment(StringAlignmentNear); }else if(uVAlignment == VAlign_Middle) { strFormatColumn.SetLineAlignment(StringAlignmentCenter); }else if(uVAlignment == VAlign_Bottom) { strFormatColumn.SetLineAlignment(StringAlignmentFar); } if(!m_bTextWrap) { strFormatColumn.SetFormatFlags(StringFormatFlagsNoWrap | StringFormatFlagsMeasureTrailingSpaces); // 不换行 } // 根据bUseTitleFont决定用标题字体还是普通字体 BSTR bsItemTitle = strItemTitle.AllocSysString(); graphics.DrawString(bsItemTitle, (INT)wcslen(bsItemTitle), itemInfo.bUseTitleFont ? &fontTitle : &font, rect, &strFormatColumn, itemInfo.bUseTitleFont ? &solidBrushT : &solidBrushItem); ::SysFreeString(bsItemTitle); // 画单元格内容 if(!bSingleLine) { rect.Offset(0, (Gdiplus::REAL)m_nRowHeight / 2 + 2); rect.Height = (Gdiplus::REAL)m_nRowHeight / 2 - 4; BSTR bsItemContent = itemInfo.strContent.AllocSysString(); graphics.DrawString(bsItemContent, (INT)wcslen(bsItemContent), &font, rect, &strFormatColumn, &solidBrushItem); ::SysFreeString(bsItemContent); } // 设置单元格子控件的位置 for(size_t k = 0; k < itemInfo.vecControl.size(); k++) { CControlBase* pControl = itemInfo.vecControl.at(k); if(pControl) { CRect rcParent = CRect(nPosItemX, m_nHeaderHeight + nVI*m_nRowHeight + 1, (int)(rect.X+rect.Width), (nVI+1)*m_nRowHeight - 1); if((int)(rect.GetRight()) > nContentWidth) { // 最后一列需要减去滚动条宽度 rcParent.right -= m_nScrollWidth; } rcParent.OffsetRect(m_rc.left - m_nVirtualLeft, m_rc.top - (nYViewPos + m_nHeaderHeight)); pControl->SetPositionWithParent(rcParent); CRect rcControl = pControl->GetRect(); // 只有当前在显示范围内的控件设置为可见 if( (rcControl.top < m_rc.top) || (rcControl.bottom > m_rc.bottom) || (rcControl.left < m_rc.left) || (rcControl.right > m_rc.right) ) { pControl->SetVisible(FALSE); }else { pControl->SetVisible(TRUE); } } } if(j == 0) { // 为了使第二列开始是对齐的,所以第二列开始位置按照第一列的宽度计算 nPosItemX = itemInfo.rcItem.right; }else { nPosItemX += itemInfo.rcItem.Width(); } } // 画分隔线(采用拉伸模式) if(m_pImageSeperator != NULL) { // 使用拉伸模式画图 graphics.DrawImage(m_pImageSeperator, RectF(0, (Gdiplus::REAL)(m_nHeaderHeight + (nVI+1)*m_nRowHeight), (Gdiplus::REAL)(nContentWidth-2), (Gdiplus::REAL)m_sizeSeperator.cy), 0, 0, (Gdiplus::REAL)m_sizeSeperator.cx, (Gdiplus::REAL)m_sizeSeperator.cy, UnitPixel); }else if(m_clrSeperator.GetValue() != Color(0, 0, 0, 0).GetValue()) { // 未指定图片,并且分隔线显色不是全0,则画矩形 graphics.FillRectangle(&solidBrushS, 0, m_nHeaderHeight + (nVI+1)*m_nRowHeight, nContentWidth-2, 1); } } // 把不在显示范围内的单元格的控件都设置为不可见 for(int i = 0; i < (int)m_vecRowInfo.size(); i++) { if((i < m_nFirstViewRow) || (i > m_nLastViewRow)) { GridRowInfo &rowInfo = m_vecRowInfo.at(i); for(size_t j = 0; j < rowInfo.vecItemInfo.size(); j++) { GridItemInfo &itemInfo = rowInfo.vecItemInfo.at(j); for(size_t k = 0; k < itemInfo.vecControl.size(); k++) { CControlBase* pControl = itemInfo.vecControl.at(k); if(pControl) { pControl->SetVisible(FALSE); } } } } } } } // 输出到界面DC,使用与的方式合并背景 // 标题行输出 if(m_nHeaderHeight > 0) { dc.BitBlt(m_rc.left,m_rc.top, nViewWidth, m_nHeaderHeight, &m_memDC, m_nVirtualLeft, 0, SRCCOPY);//SRCAND); } // 内容部分输出 int nContentHeight = m_rc.Height() - m_nHeaderHeight; if(nTotalColumnWidth > m_rc.Width()) { nContentHeight -= m_nScrollWidth; } dc.BitBlt(m_rc.left,m_rc.top + m_nHeaderHeight, nViewWidth, nContentHeight, &m_memDC, m_nVirtualLeft, nYViewPos + m_nHeaderHeight, SRCCOPY);//SRCAND); }
void CDuiText::DrawControl(CDC &dc, CRect rcUpdate) { int nWidth = m_rc.Width(); int nHeight = m_rc.Height(); // 计算显示位置 CDuiScrollVertical* pScrollV = (CDuiScrollVertical*)m_pControScrollV; int nCurPos = pScrollV->GetScrollCurrentPos(); // 当前top位置 int nMaxRange = pScrollV->GetScrollMaxRange(); int nVirtualTop = 0; // 当前显示的是虚拟图片中什么位置开始的图片 m_nVirtualHeight = GetVirtualHeight(); if(m_nVirtualHeight > m_rc.Height()) { nVirtualTop = (nMaxRange > 0) ? nCurPos*(m_nVirtualHeight-m_rc.Height())/nMaxRange : 0; }else { nVirtualTop = 0; } if(!m_bUpdate) { UpdateMemDC(dc, nWidth, m_nVirtualHeight); Graphics graphics(m_memDC); if(m_bBack) { SolidBrush brush(m_clrBack); graphics.FillRectangle(&brush, 0, 0, nWidth, nHeight); } else { //m_memDC.BitBlt(0, 0, nWidth, nHeight, &dc, m_rc.left ,m_rc.top, SRCCOPY); m_memDC.BitBlt(0, 0, nWidth, nHeight, &dc, m_rc.left ,m_rc.top, WHITENESS); // 画白色背景 DrawVerticalTransition(m_memDC, dc, CRect(0, 0+nVirtualTop, nWidth, nHeight+nVirtualTop), // 背景透明度 m_rc, m_nBkTransparent, m_nBkTransparent); } BSTR bsFont = m_strFont.AllocSysString(); FontFamily fontFamily(bsFont); Font font(&fontFamily, (REAL)m_nFontWidth, m_fontStyle, UnitPixel); ::SysFreeString(bsFont); SolidBrush solidBrush(m_clrText); graphics.SetTextRenderingHint( TextRenderingHintClearTypeGridFit ); // 设置水平和垂直对齐方式 DUI_STRING_ALIGN_DEFINE(); //strFormat.SetFormatFlags( StringFormatFlagsNoWrap | StringFormatFlagsMeasureTrailingSpaces); strFormat.SetFormatFlags( StringFormatFlagsNoClip | StringFormatFlagsMeasureTrailingSpaces); //strFormat.SetTrimming(StringTrimmingEllipsisWord); // 以单词为单位去尾,略去部分使用省略号 int nXPos = 0; if(m_pImage != NULL) { graphics.DrawImage(m_pImage, Rect(0, (nHeight - m_sizeImage.cy) / 2, m_sizeImage.cx, m_sizeImage.cy), 0, 0, m_sizeImage.cx, m_sizeImage.cy, UnitPixel); nXPos += m_sizeImage.cx + 5; } Size size = GetTextBounds(font, strFormat, nWidth, m_strTitle); int nStart = m_strTitle.Find(m_strMark, m_nStart); if(m_strMark.IsEmpty() || (nStart == -1)) { int nTextWidth = nWidth - nXPos; if(m_bScrollV) { nTextWidth -= m_nScrollWidth; } // 先画阴影 if(m_bEnableShadow) { RectF rectShadow((Gdiplus::REAL)(nXPos + 1), (Gdiplus::REAL)1, (Gdiplus::REAL)nTextWidth, (Gdiplus::REAL)max(size.Height, nHeight)); SolidBrush solidBrushS(m_clrTextShadow); BSTR bsTitle = m_strTitle.AllocSysString(); graphics.DrawString(bsTitle, (INT)wcslen(bsTitle), &font, rectShadow, &strFormat, &solidBrushS); ::SysFreeString(bsTitle); } // 再画正常的文字 RectF rect((Gdiplus::REAL)(nXPos), (Gdiplus::REAL)0, (Gdiplus::REAL)nTextWidth, (Gdiplus::REAL)(max(size.Height, nHeight))); if((m_enButtonState == enBSHover) && m_bEnableHover) { SolidBrush solidBrushH(m_clrTextHover); BSTR bsTitle = m_strTitle.AllocSysString(); graphics.DrawString(bsTitle, (INT)wcslen(bsTitle), &font, rect, &strFormat, &solidBrushH); ::SysFreeString(bsTitle); }else { BSTR bsTitle = m_strTitle.AllocSysString(); graphics.DrawString(bsTitle, (INT)wcslen(bsTitle), &font, rect, &strFormat, &solidBrush); ::SysFreeString(bsTitle); } } else { SolidBrush solidBrushM(m_clrMark); SolidBrush solidBrushS(m_clrTextShadow); CString srtL = m_strTitle.Left(nStart); CString srtR = m_strTitle.Right(m_strTitle.GetLength() - m_strMark.GetLength() - nStart); Size sizeL = GetTextBounds(font, strFormat, srtL); Size sizeM = GetTextBounds(font, strFormat, m_strMark); Size sizeR = GetTextBounds(font, strFormat, srtR); if(m_bEnableShadow) { BSTR bsL = srtL.AllocSysString(); graphics.DrawString(bsL, (INT)wcslen(bsL), &font, PointF((Gdiplus::REAL)(nXPos + 1), (Gdiplus::REAL)1), &strFormat, &solidBrushS); ::SysFreeString(bsL); BSTR bsMark = m_strMark.AllocSysString(); graphics.DrawString(bsMark, (INT)wcslen(bsMark), &font, PointF((Gdiplus::REAL)(nXPos + sizeL.Width + 2 + 1), (Gdiplus::REAL)1), &strFormat, &solidBrushS); ::SysFreeString(bsMark); } BSTR bsL = srtL.AllocSysString(); graphics.DrawString(bsL, (INT)wcslen(bsL), &font, PointF((Gdiplus::REAL)(nXPos), (Gdiplus::REAL)0), &strFormat, &solidBrush); ::SysFreeString(bsL); BSTR bsMark = m_strMark.AllocSysString(); graphics.DrawString(bsMark, (INT)wcslen(bsMark), &font, PointF((Gdiplus::REAL)(nXPos + sizeL.Width + 2), (Gdiplus::REAL)0), &strFormat, &solidBrushM); ::SysFreeString(bsMark); if(m_bEnableShadow) { RectF rect((Gdiplus::REAL)(nXPos + sizeL.Width + sizeM.Width + 4 + 1), (Gdiplus::REAL)(1), (Gdiplus::REAL)(nWidth - (nXPos + sizeL.Width + sizeM.Width + 4)), (Gdiplus::REAL)nHeight); BSTR bsR = srtR.AllocSysString(); graphics.DrawString(bsR, (INT)wcslen(bsR), &font, PointF((Gdiplus::REAL)(nXPos + sizeL.Width + sizeM.Width + 4), (Gdiplus::REAL)0), &strFormat, &solidBrushS); ::SysFreeString(bsR); } //RectF rect(nXPos + point.x + sizeL.Width + sizeM.Width + 4, point.y, nWidth - (nXPos + sizeL.Width + sizeM.Width + 4 + point.x), size.Height); RectF rect((Gdiplus::REAL)(nXPos + sizeL.Width + sizeM.Width + 4), (Gdiplus::REAL)0, (Gdiplus::REAL)(nWidth - (nXPos + sizeL.Width + sizeM.Width + 4)), (Gdiplus::REAL)nHeight); BSTR bsR = srtR.AllocSysString(); graphics.DrawString(bsR, (INT)wcslen(bsR), &font, PointF((Gdiplus::REAL)(nXPos + sizeL.Width + sizeM.Width + 4), (Gdiplus::REAL)0), &strFormat, &solidBrush); ::SysFreeString(bsR); } } dc.BitBlt(m_rc.left,m_rc.top, m_rc.Width(), m_rc.Height(), &m_memDC, 0, nVirtualTop, SRCCOPY); }
// 画控件 void CDuiTabCtrl::DrawControl(CDC &dc, CRect rcUpdate) { int nWidth = m_rc.Width(); //int nHeight = m_rc.Height(); // 纵向内存DC的高度是整个tabctrl的高度,不只是页签部分高度 int nTabHeight = m_nTabCtrlHeight; // 纵向内存DC高度改为tabctrl部分高度 if(!m_bUpdate) { // 创建内存DC,纵向分为6层: // 1.tab页签图片-原图 // 2.tab页签图片-鼠标热点 // 3.tab页签图片-鼠标按下 // 4,5,6层是上面3层的备份 UpdateMemDC(dc, nWidth, nTabHeight * 3 * 2); Graphics graphics(m_memDC); BSTR bsFont = m_strFont.AllocSysString(); FontFamily fontFamily(bsFont); Font font(&fontFamily, (REAL)m_nFontWidth, m_fontStyle, UnitPixel); ::SysFreeString(bsFont); //SolidBrush solidBrush(m_clrText); // 正常文字画刷 graphics.SetTextRenderingHint( TextRenderingHintClearTypeGridFit ); // 设置tab页签文字的水平和垂直对齐方式 DUI_STRING_ALIGN_DEFINE(); strFormat.SetFormatFlags( StringFormatFlagsNoWrap | StringFormatFlagsMeasureTrailingSpaces); // 画内存DC的3个层的内容 for(int i = 0; i < 3; i++) { // 将背景内容拷贝到内存DC m_memDC.BitBlt(0, i * nTabHeight, nWidth, nTabHeight, &dc, m_rc.left, m_rc.top, SRCCOPY); // 画tab页签 int nXPos = m_nTabLeftPading; int nYPos = i * nTabHeight; for(size_t j = 0; j < m_vecItemInfo.size(); j++) { TabItemInfo &itemInfo = m_vecItemInfo.at(j); if(!itemInfo.bVisible) { continue; } // 图片位置(根据对齐方式进行计算) CPoint point = GetOriginPoint(m_nTabItemWidth, m_nTabCtrlHeight, itemInfo.sizeImage.cx, itemInfo.sizeImage.cy, GetGDIAlignment(m_uAlignment), GetGDIVAlignment(m_uVAlignment)); // 如果有图片和文字,则图片的垂直对齐按照上对齐方式 if(!itemInfo.strText.IsEmpty()) { point.y = 0; } // 画tab页签底图 if(itemInfo.pImage != NULL) // 如果页签设置了图片,则使用tab页签指定的图片 { int nImageIndex = i; if(itemInfo.nImageCount == 1) { nImageIndex = 0; } graphics.DrawImage(itemInfo.pImage, Rect(nXPos + point.x, nYPos + point.y, itemInfo.sizeImage.cx, itemInfo.sizeImage.cy), itemInfo.sizeImage.cx * nImageIndex, 0, itemInfo.sizeImage.cx, itemInfo.sizeImage.cy, UnitPixel); }else if((m_pImage != NULL) && (itemInfo.nImageIndex != -1)) // 如果设置了页签图片索引,使用tabctrl图片的索引图片 { if(m_enTabImageMode == enTIMNormal) // 普通模式 { graphics.DrawImage(m_pImage, Rect(nXPos + point.x, nYPos + point.y, itemInfo.sizeImage.cx, itemInfo.sizeImage.cy), itemInfo.sizeImage.cx * itemInfo.nImageIndex, 0, itemInfo.sizeImage.cx, itemInfo.sizeImage.cy, UnitPixel); }else if(m_enTabImageMode == enTIMMID) // 九宫格模式 { CRect rcTemp(nXPos, nYPos, nXPos+m_nTabItemWidth, nYPos+m_nTabCtrlHeight); DrawImageFrameMID(graphics, m_pImage, rcTemp, m_sizeImage.cx * i, 0, m_sizeImage.cx, m_sizeImage.cy, m_nWLT, m_nHLT, m_nWRB, m_nHRB); } } // 画tab页签热点图(如果存在tabctrl设置的热点图的话) if((m_pImageHover != NULL) && (i > 0)) { int nX = (itemInfo.rc.Width() - m_sizeHover.cx) / 2; if(nX < 0) { nX = 0; } graphics.DrawImage(m_pImageHover, Rect(nXPos + nX, nYPos, m_sizeHover.cx, m_sizeHover.cy), m_sizeHover.cx * (i-1), 0, m_sizeHover.cx, m_sizeHover.cy, UnitPixel); } // 画tab页签文字 if(!itemInfo.strText.IsEmpty()) { // 设置页签文字颜色 SolidBrush solidBrushItem(m_clrText); if((m_nHoverItem == j) && (m_clrTextHover.GetValue() != Color(0, 0, 0, 0).GetValue())) // 设置了鼠标移动颜色,则使用 { solidBrushItem.SetColor(m_clrTextHover); }else if((m_nDownItem == j) && (m_clrTextDown.GetValue() != Color(0, 0, 0, 0).GetValue())) // 设置了鼠标按下颜色,则使用 { solidBrushItem.SetColor(m_clrTextDown); } RectF rectText((Gdiplus::REAL)nXPos, (Gdiplus::REAL)(nYPos + itemInfo.sizeImage.cy + 1), (Gdiplus::REAL)((m_pImageTabBtn != NULL) ? (itemInfo.rc.Width()-m_sizeTabBtn.cx) : itemInfo.rc.Width()), (Gdiplus::REAL)(m_nTabCtrlHeight - itemInfo.sizeImage.cy - 1)); if(m_nTabCtrlHeight <= itemInfo.sizeImage.cy) { // 如果tabctrl高度小于图片高度,则文字直接居中显示 rectText.Y = (Gdiplus::REAL)nYPos; rectText.Height = (Gdiplus::REAL)m_nTabCtrlHeight; } // 计算是否需要显示tip itemInfo.bNeedTextTip = rectText.Width < GetTextBounds(font, itemInfo.strText).Width; BSTR bsText = itemInfo.strText.AllocSysString(); graphics.DrawString(bsText, (INT)wcslen(bsText), &font, rectText, &strFormat, &solidBrushItem); ::SysFreeString(bsText); } nXPos += itemInfo.rc.Width(); // 画tab页签之间的分隔图片(采用拉伸方式) if(j < m_vecItemInfo.size() - 1 && m_pImageSeperator != NULL) { CRect &rc = m_vecRcSeperator.at(j); int nSepHeight = itemInfo.rc.Height(); // m_sizeSeperator.cy graphics.DrawImage(m_pImageSeperator, Rect(nXPos, nYPos, m_sizeSeperator.cx, nSepHeight), 0, 0, m_sizeSeperator.cx, m_sizeSeperator.cy, UnitPixel); nXPos += m_sizeSeperator.cx; } } } // 内存dc复制一份进行备份 m_memDC.BitBlt(0, nTabHeight * 3, nWidth, nTabHeight * 3, &m_memDC, 0, 0, SRCCOPY); } // 画Tab页签按钮到内存dc if(m_pImageTabBtn != NULL) { // 现将备份的内存dc整体进行恢复,避免页签按钮叠加之后的影响 m_memDC.BitBlt(0, 0, nWidth, nTabHeight * 3, &m_memDC, 0, nTabHeight * 3, SRCCOPY); Graphics graphics(m_memDC); for(int i = 0; i < 3; i++) { for(size_t j = 0; j < m_vecItemInfo.size(); j++) { TabItemInfo &itemInfo = m_vecItemInfo.at(j); graphics.DrawImage(m_pImageTabBtn, RectF((Gdiplus::REAL)itemInfo.rcButton.left, (Gdiplus::REAL)(nTabHeight * i + itemInfo.rcButton.top), (Gdiplus::REAL)itemInfo.rcButton.Width(), (Gdiplus::REAL)itemInfo.rcButton.Height()), (Gdiplus::REAL)(itemInfo.buttonState * m_sizeTabBtn.cx), 0, (Gdiplus::REAL)m_sizeTabBtn.cx, (Gdiplus::REAL)m_sizeTabBtn.cy, UnitPixel); } } } // 内存dc输出到dc // 1.画原图 dc.BitBlt(m_rc.left,m_rc.top, nWidth, nTabHeight, &m_memDC, 0, 0, SRCCOPY); // 2.画鼠标热点的Tab页签 if((m_nHoverItem != -1) && (m_nHoverItem < (int)m_vecItemInfo.size())) { TabItemInfo &itemInfo = m_vecItemInfo.at(m_nHoverItem); dc.BitBlt(itemInfo.rc.left, itemInfo.rc.top, itemInfo.rc.Width(), itemInfo.rc.Height(), &m_memDC, itemInfo.rc.left - m_rc.left, itemInfo.rc.top - m_rc.top + nTabHeight, SRCCOPY); } // 3.画鼠标按下的Tab页签 if((m_nDownItem != -1) && (m_nDownItem < (int)m_vecItemInfo.size())) { TabItemInfo &itemInfo = m_vecItemInfo.at(m_nDownItem); dc.BitBlt(itemInfo.rc.left, itemInfo.rc.top, itemInfo.rc.Width(), itemInfo.rc.Height(), &m_memDC, itemInfo.rc.left - m_rc.left, itemInfo.rc.top - m_rc.top + nTabHeight * 2, SRCCOPY); } }