public Vector2f MeasureString(TextString str)
{
Vector2f size = new Vector2f(0f,0f);
Vector2f curLineSize = new Vector2f(0f, 0f);
foreach (KeyValuePair<TextStyle, string> s in str.FormatedText)
{
if (s.Key == TextStyle.EndLine)
{
size.Y += curLineSize.Y;
size.X = curLineSize.X > size.X ? curLineSize.X : size.X;
curLineSize = new Vector2f(0f, 0f);
}
else
{
Text textSlope = new Text(s.Value, Font, str.CharacterSize);
Text.Styles textStyle = Text.Styles.Regular;
if ((s.Key & TextStyle.Bold) != 0)
textStyle |= Text.Styles.Bold;
if( (s.Key & TextStyle.Italic) != 0)
textStyle |= Text.Styles.Italic;
textSlope.Style = textStyle;
FloatRect localBounds = textSlope.GetLocalBounds();
Vector2f ssize = new Vector2f(localBounds.Width,localBounds.Height);
curLineSize.X += (int)ssize.X;
curLineSize.Y = (int)ssize.Y > curLineSize.Y ? (int)ssize.Y : curLineSize.Y;
}
}
size.X = curLineSize.X > size.X ? curLineSize.X : size.X;
size.Y += curLineSize.Y;
return size;
}
/// <summary>
/// When we change the text of the label we must
/// rebuild the list of basic label needed and their position.
/// </summary>
protected void rebuildTextCache()
{
TextString textString = new TextString(myText, myCharacterSize );
myBasicLabels = new BasicLabel[textString.FormatedText.Count];
List<KeyValuePair<TextStyle, string>> formatedText = textString.FormatedText;
Vector2f pos = new Vector2f(0f,0f);
Vector2f curLineSize = new Vector2f(0f,0f);
for (int i = 0; i < formatedText.Count; i++)
{
myBasicLabels[i] = new BasicLabel(Manager, this, Font, formatedText[i].Key, TextColor, formatedText[i].Value, myCharacterSize );
myBasicLabels[i].Visible = true;
myBasicLabels[i].Position = pos;
if (myBasicLabels[i].TextStyle == TextStyle.EndLine)
{
pos.X = 0;
pos.Y += curLineSize.Y;
curLineSize = new Vector2f(0f,0f);
}
else
{
Vector2f vsize = myBasicLabels[i].Size;
curLineSize.X += (int)vsize.X;
curLineSize.Y = (int)vsize.Y > curLineSize.Y ? (int)vsize.Y : curLineSize.Y;
pos.X += (int)vsize.X;
}
}
if (myFont != null)
myInnerTextSize = myFont.MeasureString(textString);
else
myInnerTextSize = new Vector2f(0f,0f);
}
public void SetTextFromSlices( List<KeyValuePair<string, Color>> slices )
{
string text = "";
for (int i = 0; i < slices.Count; i++)
text += slices[i];
myText = text;
TextString[] textStrings = new TextString[slices.Count];
List<BasicLabel> basicLabels = new List<BasicLabel>();
int labelsIndex = 0;
Vector2f size = new Vector2f(0f, 0f);
Vector2f pos = new Vector2f(0f, 0f);
Vector2f curLineSize = new Vector2f(0f, 0f);
for( int j = 0; j < slices.Count; j++)
{
KeyValuePair<string, Color> slice = slices[j];
textStrings[j] = new TextString(slice.Key, myCharacterSize);
List<KeyValuePair<TextStyle, string>> formatedText = textStrings[j].FormatedText;
for (int i = 0; i < formatedText.Count; i++)
{
BasicLabel lab = new BasicLabel(Manager, this, Font, formatedText[i].Key, slice.Value, formatedText[i].Value, myCharacterSize);
basicLabels.Add(lab);
lab.Visible = true;
Vector2f nnpos = pos;
nnpos.Y = pos.Y + (curLineSize.Y - lab.Size.Y);
lab.Position = nnpos;
float r = pos.X + lab.Size.X;
size.X = r > size.X ? r : size.X;
float d = pos.Y + lab.Size.Y;
size.Y = d > size.Y ? d : size.Y;
if (lab.TextStyle == TextStyle.EndLine)
{
pos.X = 0;
pos.Y += curLineSize.Y;
curLineSize = new Vector2f(0f, 0f);
}
else
{
Vector2f vsize = lab.Size;
curLineSize.X += (int)vsize.X;
if (vsize.Y > curLineSize.Y )
{
curLineSize.Y = (int)vsize.Y;
// we need to update all the preceding labels
// in the same line because the bottom of line is not the same anymore!
int k = labelsIndex;
while( k >= 0 && basicLabels[k].TextStyle != TextStyle.EndLine)
{
Vector2f npos = basicLabels[k].Position;
npos.Y = pos.Y + (curLineSize.Y - basicLabels[k].Size.Y);
basicLabels[k].Position = npos;
k--;
}
}
pos.X += (int)vsize.X;
}
labelsIndex++;
}
}
myBasicLabels = basicLabels.ToArray();
if (myFont != null)
myInnerTextSize = size;
else
myInnerTextSize = new Vector2f(0f, 0f);
UpdateSize();
}
