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桌面歌词在宽度不够时滚动显示

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zhongyang
2019-11-08 14:46:45 +08:00
parent c7bf080134
commit e3d88825e9
1 changed files with 26 additions and 4 deletions
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MusicPlayer2/LyricsWindow.cpp
+26 -4
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@@ -230,6 +230,28 @@ void CLyricsWindow::DrawLyricText(Gdiplus::Graphics* pGraphics, LPCTSTR strText,
if (fontSize < 1)
fontSize = m_FontSize;
Gdiplus::REAL textWidth = rect.Width;
Gdiplus::REAL highlighWidth = rect.Width * m_nHighlight / 1000;
//如果文本宽度大于控件宽度，就要根据分割的位置滚动文本
if (textWidth > m_nWidth)
{
//如果分割的位置（歌词进度）剩下的宽度已经小于控件宽度的一半，此时使文本右侧和控件右侧对齐
if (textWidth - highlighWidth < m_nWidth / 2)
{
rect.X = m_nWidth - textWidth;
}
//分割位置剩下的宽度还没有到小于控件宽度的一半，但是分割位置的宽度已经大于控件宽度的一半时，需要移动文本使分割位置正好在控件的中间
else if (highlighWidth > m_nWidth / 2)
{
rect.X = m_nWidth / 2 - highlighWidth;
}
//分割位置还不到控件宽度的一半时，使文本左侧和控件左侧对齐
else
{
rect.X = 0;
}
}
//-----------------------------------------------------------
//画出阴影
if (m_pShadowBrush) {
@@ -287,10 +309,10 @@ void CLyricsWindow::DrawLyrics(Gdiplus::Graphics* pGraphics)
transRect.Y += (boundingBox.Height + gapHeight);
transRect.Height = translateHeight;
}
if(dstRect.X<0)dstRect.X=0;
if(dstRect.Width>m_nWidth)dstRect.Width=m_nWidth;
if (transRect.X < 0)transRect.X = 0;
if (transRect.Width > m_nWidth)transRect.Width = m_nWidth;
//if(dstRect.X<0)dstRect.X=0;
//if(dstRect.Width>m_nWidth)dstRect.Width=m_nWidth;
//if (transRect.X < 0)transRect.X = 0;
//if (transRect.Width > m_nWidth)transRect.Width = m_nWidth;
DrawLyricText(pGraphics, m_lpszLyrics, dstRect, false);
if (!m_strTranslate.IsEmpty())