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mirror of https://github.com/cookiengineer/audacity synced 2025-05-02 08:39:46 +02:00

Factor rectangle computation out of DrawTrackName

This commit is contained in:
Paul Licameli 2019-12-28 13:18:16 -05:00
parent a65ab2146b
commit 71b3fc0647

View File

@ -95,6 +95,25 @@ namespace {
};
}
static void GetTrackNameExtent(
wxDC &dc, const Track *t, wxCoord *pW, wxCoord *pH )
{
wxFont labelFont(12, wxFONTFAMILY_SWISS, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL);
dc.SetFont(labelFont);
dc.GetTextExtent( t->GetName(), pW, pH );
}
static wxRect GetTrackNameRect(
const wxRect &trackRect, wxCoord textWidth, wxCoord textHeight )
{
return {
trackRect.x + DisplaceX,
trackRect.y + DisplaceY,
textWidth + MarginsX,
textHeight + MarginsY
};
}
// Draws the track name on the track, if it is needed.
static void DrawTrackName(
TrackPanelDrawingContext &context, const Track * t, const wxRect & rect )
@ -109,9 +128,7 @@ static void DrawTrackName(
auto &dc = context.dc;
wxBrush Brush;
wxCoord textWidth, textHeight;
wxFont labelFont(12, wxFONTFAMILY_SWISS, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL);
dc.SetFont(labelFont);
dc.GetTextExtent( t->GetName(), &textWidth, &textHeight );
GetTrackNameExtent( dc, t, &textWidth, &textHeight );
// Logic for name background translucency (aka 'shields')
// Tracks less than kOpaqueHeight high will have opaque shields.
@ -128,12 +145,12 @@ static void DrawTrackName(
// 0.0 maps to full opacity, 1.0 maps to full translucency.
int opacity = 255 - (255-140)*f;
const auto nameRect = GetTrackNameRect( rect, textWidth, textHeight );
#ifdef __WXMAC__
// Mac dc is a graphics dc already.
AColor::UseThemeColour( &dc, clrTrackInfoSelected, clrTrackPanelText, opacity );
dc.DrawRoundedRectangle(
rect.x + DisplaceX, rect.y + DisplaceY,
textWidth + MarginsX, textHeight + MarginsY, 8.0 );
dc.DrawRoundedRectangle( nameRect, 8.0 );
#else
// This little dance with wxImage in order to draw to a graphic dc
// which we can then paste as a translucent bitmap onto the real dc.
@ -162,12 +179,12 @@ static void DrawTrackName(
}
wxBitmap bitmap( image );
dc.DrawBitmap( bitmap,
rect.x + DisplaceX - SecondMarginX, rect.y + DisplaceY - SecondMarginY );
nameRect.x - SecondMarginX, nameRect.y - SecondMarginY );
#endif
dc.SetTextForeground(theTheme.Colour( clrTrackPanelText ));
dc.DrawText(t->GetName(),
rect.x + DisplaceX + MarginX,
rect.y + DisplaceY + MarginY);
nameRect.x + MarginX,
nameRect.y + MarginY);
}
void CommonTrackView::Draw(