public static Boolean CheckIfFitWithChordsOnRight(Label label, double fontSize)
{
FontCalc lowerFontCalc = new FontCalc(label, fontSize, (App.ScreenWidth * 0.9) * 0.85);
if (lowerFontCalc.TextHeight > App.ScreenHeight * 0.80)
{
return(false);
}
else
{
return(true);
}
}
public static Boolean CheckIfWrap(Label label, double fontSize)
{
FontCalc lowerFontCalc = new FontCalc(label, fontSize, Double.PositiveInfinity);
if (lowerFontCalc.TextWidth > (App.ScreenWidth * 0.9) * 0.85)
{
return(true);
}
else
{
return(false);
}
}
void OnTextRecive(AsyncClient source, string text)
{
if (text != "")
{
string[] songTitleAndText = text.Split('|');
if (songTitleAndText != null)
{
Device.BeginInvokeOnMainThread(() =>
{
Label testLabel = SongTextPresentationView.GetGhostLabelInstance();
TitleOfSongWhenConnectedToServer = songTitleAndText[0];
TextOfSongWhenConnectedToServer = songTitleAndText[1];
testLabel.Text = TextOfSongWhenConnectedToServer;
testLabel.FontSize = FontSize;
FontCalc checkIfShortText = new FontCalc(testLabel, 25, App.ScreenWidth);
if (checkIfShortText.TextHeight < App.ScreenHeight * 0.5)
{
FontSize = checkIfShortText.FontSize;
}
else
{
// Calculate the height of the rendered text.
FontCalc lowerFontCalc = new FontCalc(testLabel, 10, App.ScreenWidth);
FontCalc upperFontCalc = new FontCalc(testLabel, 100, App.ScreenWidth);
while (upperFontCalc.FontSize - lowerFontCalc.FontSize > 1)
{
// Get the average font size of the upper and lower bounds.
double fontSize = (lowerFontCalc.FontSize + upperFontCalc.FontSize) / 2;
// Check the new text height against the container height.
FontCalc newFontCalc = new FontCalc(testLabel, fontSize, App.ScreenWidth);
if (newFontCalc.TextHeight > App.ScreenHeight * 0.85)
{
upperFontCalc = newFontCalc;
}
else
{
lowerFontCalc = newFontCalc;
}
}
FontSize = lowerFontCalc.FontSize;
}
});
}
}
}
private void OnContentViewSizeChanged(object sender, EventArgs e)
{
View view = (View)sender;
if (view.Width <= 0 || view.Height <= 0)
{
return;
}
label.Text =
"This is a paragraph of text displayed with " +
"a FontSize value of ?? that is empirically " +
"calculated in a loop within the SizeChanged " +
"handler of the Label's container. This technique " +
"can be tricky: You don't want to get into " +
"an infinite loop by triggering a layout pass " +
"with every calculation. Does it work?";
FontCalc lowerFontCalc = new FontCalc(label, 10, view.Width);
FontCalc upperFontCalc = new FontCalc(label, 100, view.Width);
while (upperFontCalc.FontSize - lowerFontCalc.FontSize > 1)
{
double fontSize = (lowerFontCalc.FontSize + upperFontCalc.FontSize) / 2;
FontCalc newFontCalc = new FontCalc(label, fontSize, view.Width);
if (newFontCalc.TextHeight > view.Height)
{
upperFontCalc = newFontCalc;
}
else
{
lowerFontCalc = newFontCalc;
}
}
label.FontSize = lowerFontCalc.FontSize;
label.Text = label.Text.Replace("??", label.FontSize.ToString("F0"));
}
