public int SetText(TextLabel label, string str)
{
if (label == null || str == null)
{
return(0);
}
// perform this operation to match the utf32 character used in native Dali.
bool previousMarkup = label.EnableMarkup;
label.EnableMarkup = false;
label.Text = str;
pageString = label.Text;
label.EnableMarkup = previousMarkup;
label.MultiLine = true;
label.Ellipsis = false;
int length = pageString.Length;
int remainLength = length;
int offset = 0;
int cutOffIndex = 0;
// init
totalPageCnt = 0;
pageList = new List <PageData>();
tagList = new List <TagData>();
characterList = new List <char>();
stream = new StringReader(pageString);
RendererParameters textParameters = new RendererParameters();
textParameters.Text = pageString;
textParameters.HorizontalAlignment = label.HorizontalAlignment;
textParameters.VerticalAlignment = label.VerticalAlignment;
textParameters.FontFamily = label.FontFamily;
textParameters.FontWeight = "";
textParameters.FontWidth = "";
textParameters.FontSlant = "";
textParameters.Layout = TextLayout.MultiLine;
textParameters.TextColor = Color.Black;
textParameters.FontSize = label.PointSize;
textParameters.TextWidth = (uint)label.Size.Width;
textParameters.TextHeight = (uint)label.Size.Height;
textParameters.EllipsisEnabled = true;
textParameters.MarkupEnabled = previousMarkup;
textParameters.MinLineSize = label.MinLineSize;
textParameters.Padding = label.Padding;
Tizen.NUI.PropertyArray cutOffIndexArray = TextUtils.GetLastCharacterIndex(textParameters);
uint count = cutOffIndexArray.Count();
for (uint i = 0; i < count; i++)
{
var temp = cutOffIndexArray.GetElementAt(i);
temp.Get(out cutOffIndex); // Gets the last index of text shown on the actual screen.
temp.Dispose();
// If markup is enabled, It should parse markup
if (label.EnableMarkup)
{
int preOffset = offset;
offset = MarkupProcess(offset, cutOffIndex - preOffset);
remainLength -= (offset - preOffset);
}
//If markup is not enabled, parsing is not required.
else
{
PageData pageData = new PageData();
pageData.StartOffset = offset;
int cnt = (cutOffIndex - offset) < remainLength ? (cutOffIndex - offset) : remainLength;
remainLength -= cnt;
offset += cnt;
pageData.EndOffset = offset;
pageList.Add(pageData);
}
totalPageCnt++;
if (offset <= 0 || remainLength <= 0)
{
break;
}
}
textParameters.Dispose();
cutOffIndexArray.Dispose();
stream = null;
return(totalPageCnt);
}
private int MarkupProcess(int startOffset, int cutOffIndex)
{
int count = 0;
int offset = startOffset;
int character = 0;
characterList.Clear();
PageData pageData = new PageData();
pageData.StartOffset = offset;
// If the markup was previously open, the markup tag should be attached to the front.
string tag = "";
foreach (TagData data in tagList)
{
tag += "<" + data.TagName + data.AttributeName + ">";
}
pageData.PreviousTag = tag;
bool isTag = false;
while ((character = stream.Read()) != -1)
{
offset++;
characterList.Add((char)character);
TagData tagData = new TagData();
isTag = false;
if (LESS_THAN == character) // '<'
{
isTag = IsTag(tagData, ref offset);
}
if (isTag)
{
if (tagData.IsEndTag)
{
int lastIndex = tagList.Count;
tagList.RemoveAt(lastIndex - 1);
}
else
{
tagList.Add(tagData);
}
}
else
{
count++;
}
if (count >= cutOffIndex)
{
break;
}
}
// If the markup was previously open, you should attach the label tag.
tag = "";
foreach (TagData data in tagList)
{
tag = "</" + data.TagName + ">" + tag;
}
pageData.EndTag = tag;
pageData.EndOffset = offset;
pageList.Add(pageData);
if (character == -1)
{
offset = -1;
}
return(offset);
}