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_nImagePicCount != 4)
{
// 如果修改过img-count属性,则用此属性设置的图片个数
nImageCount = m_nImagePicCount;
}
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))
{
m_sizeImage.SetSize(m_pImage->GetWidth() / 2, m_pImage->GetHeight());
}else
{
m_sizeImage.SetSize(m_pImage->GetWidth() / nImageCount, 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);
}
}
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
{
// 普通菜单项的图片
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),
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);
}
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);
StringFormat strFormat;
strFormat.SetAlignment(StringAlignmentNear);
strFormat.SetFormatFlags( StringFormatFlagsNoWrap | StringFormatFlagsMeasureTrailingSpaces);
Size size = GetTextBounds(font, strFormat, m_strTitle);
CPoint point = GetOriginPoint(nWidth - m_nLeft, nHeight, size.Width, size.Height, m_uAlignment, m_uVAlignment);
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 + point.x + i * nWidth), (Gdiplus::REAL)point.y, (Gdiplus::REAL)(nWidth - (m_nLeft + 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);
}
// 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);
}
