internal string ElideText(string drawText, string ellipsisText, float width, TextOverflowPosition textOverflowPosition)
{
float num = 1f / base.scaledPixelsPerPoint;
Vector2 vector = this.MeasureTextSize(drawText, 0f, VisualElement.MeasureMode.Undefined, 0f, VisualElement.MeasureMode.Undefined);
bool flag = vector.x - num <= width || string.IsNullOrEmpty(ellipsisText);
string result;
if (flag)
{
result = drawText;
}
else
{
string text = (drawText.Length > 1) ? ellipsisText : drawText;
Vector2 vector2 = this.MeasureTextSize(text, 0f, VisualElement.MeasureMode.Undefined, 0f, VisualElement.MeasureMode.Undefined);
bool flag2 = vector2.x >= width;
if (flag2)
{
result = text;
}
else
{
int num2 = drawText.Length - 1;
int num3 = -1;
string text2 = drawText;
int i = (textOverflowPosition == TextOverflowPosition.Start) ? 1 : 0;
int num4 = (textOverflowPosition == TextOverflowPosition.Start || textOverflowPosition == TextOverflowPosition.Middle) ? num2 : (num2 - 1);
int num5 = (i + num4) / 2;
while (i <= num4)
{
bool flag3 = textOverflowPosition == TextOverflowPosition.Start;
if (flag3)
{
text2 = ellipsisText + drawText.Substring(num5, num2 - (num5 - 1));
}
else
{
bool flag4 = textOverflowPosition == TextOverflowPosition.End;
if (flag4)
{
text2 = drawText.Substring(0, num5) + ellipsisText;
}
else
{
bool flag5 = textOverflowPosition == TextOverflowPosition.Middle;
if (flag5)
{
text2 = drawText.Substring(0, num5 - 1) + ellipsisText + drawText.Substring(num2 - (num5 - 1));
}
}
}
vector = this.MeasureTextSize(text2, 0f, VisualElement.MeasureMode.Undefined, 0f, VisualElement.MeasureMode.Undefined);
bool flag6 = Math.Abs(vector.x - width) < Mathf.Epsilon;
if (flag6)
{
result = text2;
return(result);
}
bool flag7 = textOverflowPosition == TextOverflowPosition.Start;
if (flag7)
{
bool flag8 = vector.x > width;
if (flag8)
{
bool flag9 = num3 == num5 - 1;
if (flag9)
{
result = ellipsisText + drawText.Substring(num3, num2 - (num3 - 1));
return(result);
}
i = num5 + 1;
}
else
{
num4 = num5 - 1;
num3 = num5;
}
}
else
{
bool flag10 = textOverflowPosition == TextOverflowPosition.End || textOverflowPosition == TextOverflowPosition.Middle;
if (flag10)
{
bool flag11 = vector.x > width;
if (flag11)
{
bool flag12 = num3 == num5 - 1;
if (flag12)
{
bool flag13 = textOverflowPosition == TextOverflowPosition.End;
if (flag13)
{
result = drawText.Substring(0, num3) + ellipsisText;
return(result);
}
result = drawText.Substring(0, num3 - 1) + ellipsisText + drawText.Substring(num2 - (num3 - 1));
return(result);
}
else
{
num4 = num5 - 1;
}
}
else
{
i = num5 + 1;
num3 = num5;
}
}
}
num5 = (i + num4) / 2;
}
result = text2;
}
}
return(result);
}
internal string ElideText(string drawText, string ellipsisText, float width, TextOverflowPosition textOverflowPosition)
{
// The pixelOffset represent the maximum value that could be removed from the measured with by the layout when scaling is not 100%.
// the offset is caused by alining the borders+spacing+padding on the grid.
// We still want the text to render without being elided even when there is a small gap missing. https://fogbugz.unity3d.com/f/cases/1268016/
float pixelOffset = 1 / scaledPixelsPerPoint;
// Try full size first
var size = MeasureTextSize(drawText, 0, MeasureMode.Undefined, 0, MeasureMode.Undefined);
if (size.x - pixelOffset <= width || string.IsNullOrEmpty(ellipsisText))
{
return(drawText);
}
var minText = drawText.Length > 1 ? ellipsisText : drawText;
var minSize = MeasureTextSize(minText, 0, MeasureMode.Undefined, 0, MeasureMode.Undefined);
if (minSize.x >= width)
{
return(minText);
}
// Text will need to be truncated somehow
var drawTextMax = drawText.Length - 1;
var prevFitMid = -1;
var truncatedText = drawText;
// Don't assume that k_EllipsisText takes as much space as any other string of the same length;
// we will start by removing one character at a time
var min = textOverflowPosition == TextOverflowPosition.Start ? 1 : 0;
var max = (textOverflowPosition == TextOverflowPosition.Start ||
textOverflowPosition == TextOverflowPosition.Middle) ? drawTextMax : drawTextMax - 1;
var mid = (min + max) / 2;
while (min <= max)
{
if (textOverflowPosition == TextOverflowPosition.Start)
{
truncatedText = ellipsisText + drawText.Substring(mid, drawTextMax - (mid - 1));
}
else if (textOverflowPosition == TextOverflowPosition.End)
{
truncatedText = drawText.Substring(0, mid) + ellipsisText;
}
else if (textOverflowPosition == TextOverflowPosition.Middle)
{
truncatedText = drawText.Substring(0, mid - 1) + ellipsisText +
drawText.Substring(drawTextMax - (mid - 1));
}
size = MeasureTextSize(truncatedText, 0, MeasureMode.Undefined,
0, MeasureMode.Undefined);
if (Math.Abs(size.x - width) < Mathf.Epsilon)
{
return(truncatedText);
}
if (textOverflowPosition == TextOverflowPosition.Start)
{
if (size.x > width)
{
if (prevFitMid == mid - 1)
{
return(ellipsisText + drawText.Substring(prevFitMid, drawTextMax - (prevFitMid - 1)));
}
min = mid + 1;
}
else
{
max = mid - 1;
prevFitMid = mid;
}
}
else if (textOverflowPosition == TextOverflowPosition.End || textOverflowPosition == TextOverflowPosition.Middle)
{
if (size.x > width)
{
if (prevFitMid == mid - 1)
{
if (textOverflowPosition == TextOverflowPosition.End)
{
return(drawText.Substring(0, prevFitMid) + ellipsisText);
}
else
{
return(drawText.Substring(0, prevFitMid - 1) + ellipsisText + drawText.Substring(drawTextMax - (prevFitMid - 1)));
}
}
max = mid - 1;
}
else
{
min = mid + 1;
prevFitMid = mid;
}
}
mid = (min + max) / 2;
}
return(truncatedText);
}
internal string ElideText(string drawText, string ellipsisText, float width, TextOverflowPosition textOverflowPosition)
{
// Try full size first
var size = MeasureTextSize(drawText, 0, MeasureMode.Undefined, 0, MeasureMode.Undefined);
if (size.x <= width || string.IsNullOrEmpty(ellipsisText))
{
return(drawText);
}
var minText = drawText.Length > 1 ? ellipsisText : drawText;
var minSize = MeasureTextSize(minText, 0, MeasureMode.Undefined, 0, MeasureMode.Undefined);
if (minSize.x >= width)
{
return(minText);
}
// Text will need to be truncated somehow
var drawTextMax = drawText.Length - 1;
var prevFitMid = -1;
var truncatedText = drawText;
// Don't assume that k_EllipsisText takes as much space as any other string of the same length;
// we will start by removing one character at a time
var min = textOverflowPosition == TextOverflowPosition.Start ? 1 : 0;
var max = (textOverflowPosition == TextOverflowPosition.Start ||
textOverflowPosition == TextOverflowPosition.Middle) ? drawTextMax : drawTextMax - 1;
var mid = (min + max) / 2;
while (min <= max)
{
if (textOverflowPosition == TextOverflowPosition.Start)
{
truncatedText = ellipsisText + drawText.Substring(mid, drawTextMax - (mid - 1));
}
else if (textOverflowPosition == TextOverflowPosition.End)
{
truncatedText = drawText.Substring(0, mid) + ellipsisText;
}
else if (textOverflowPosition == TextOverflowPosition.Middle)
{
truncatedText = drawText.Substring(0, mid - 1) + ellipsisText +
drawText.Substring(drawTextMax - (mid - 1));
}
size = MeasureTextSize(truncatedText, 0, MeasureMode.Undefined,
0, MeasureMode.Undefined);
if (Math.Abs(size.x - width) < Mathf.Epsilon)
{
return(truncatedText);
}
if (textOverflowPosition == TextOverflowPosition.Start)
{
if (size.x > width)
{
if (prevFitMid == mid - 1)
{
return(ellipsisText + drawText.Substring(prevFitMid, drawTextMax - (prevFitMid - 1)));
}
min = mid + 1;
}
else
{
max = mid - 1;
prevFitMid = mid;
}
}
else if (textOverflowPosition == TextOverflowPosition.End || textOverflowPosition == TextOverflowPosition.Middle)
{
if (size.x > width)
{
if (prevFitMid == mid - 1)
{
if (textOverflowPosition == TextOverflowPosition.End)
{
return(drawText.Substring(0, prevFitMid) + ellipsisText);
}
else
{
return(drawText.Substring(0, prevFitMid - 1) + ellipsisText + drawText.Substring(drawTextMax - (prevFitMid - 1)));
}
}
max = mid - 1;
}
else
{
min = mid + 1;
prevFitMid = mid;
}
}
mid = (min + max) / 2;
}
return(truncatedText);
}
