/// <summary>
/// Wraps a paragraph in a text that possibly contains some markup
/// </summary>
/// <returns>
/// Description of linelayout.
/// </returns>
/// <param name='text'>
/// The text to be wrapped
/// </param>
/// <param name='tm'>
/// The textmesh object that contains information about style and rendering
/// </param>
public static IEnumerable<TTFTextInternal.LineLayout> WrapParagraphsExt (string text, TTFText tm)
{
float d;
int lno = 0;
char[] lseps = new char[] { '\n' };
char[] wseps = new char[] { ' ' };
string [] paragraphs = text.Split (lseps);
if (paragraphs.Length == 0) {
yield break;
}
float firstlineoffset = 0;
if ((tm.ParagraphAlignment != TTFText.ParagraphAlignmentEnum.Right) && (tm.ParagraphAlignment != TTFText.ParagraphAlignmentEnum.Center)) {
firstlineoffset = tm.FirstLineOffset;
}
foreach (string paragraph in paragraphs) {
System.Collections.Generic.List<TTFTextScriptTextToken> ttstts = new System.Collections.Generic.List<TTFTextScriptTextToken> (ParseScriptText (paragraph));
string otext;
//string[] words = paragraph.Split(wseps, System.StringSplitOptions.RemoveEmptyEntries);
int ntexts = 0;
foreach (TTFTextScriptTextToken t in ttstts) {
if (!t.is_script)
ntexts++;
}
//return new TTFTextInternal.LineLayout(words[0],tm,true);
if (ntexts == 0) {
yield return new TTFTextInternal.LineLayout("",tm,true);
if ((tm.ParagraphAlignment != TTFText.ParagraphAlignmentEnum.Right) && (tm.ParagraphAlignment != TTFText.ParagraphAlignmentEnum.Center)) {
firstlineoffset = tm.FirstLineOffset;
}
} else {
TTFTextInternal.LineLayout ll = new TTFTextInternal.LineLayout ("", tm, true);
foreach (TTFTextScriptTextToken t in ttstts) {
if (t.is_script) {
otext = ll.line;
EvalEasyMarkUp (tm, t.text, ref ll);
d = ll.GetDefaultLineWidth (ll.hspacing); // TODO: <- THIS IS WRONG !
if (d > (ll.linewidth - firstlineoffset)) {
ll.RewindLine (otext);
FinalizeLL (ref ll, firstlineoffset);
ll.lineno = lno++;
yield return ll;
firstlineoffset = 0;
ll = new TTFTextInternal.LineLayout ("", tm, true);
EvalEasyMarkUp (tm, t.text, ref ll);
}
} else {
string[] words = null;
if (tm.CurrentTextStyle.WordSplitMode == TTFText.WordSplitModeEnum.SpaceBased) {
words = t.text.Split (wseps, System.StringSplitOptions.RemoveEmptyEntries);
}
if (tm.CurrentTextStyle.WordSplitMode == TTFText.WordSplitModeEnum.Character) {
words = new string[t.text.Length];
int ci = 0;
foreach (char c in t.text) {
words [ci] = "" + c;
ci++;
}
}
foreach (string w in words/*t.text.Split(wseps)*/) {
otext = ll.line;
if (otext.Length != 0) {
if (tm.CurrentTextStyle.WordSplitMode == TTFText.WordSplitModeEnum.SpaceBased) {
ll.AppendText (' ' + w);
} else {
ll.AppendText (w);
}
} else {
ll.AppendText (w);
}
d = ll.GetDefaultLineWidth (ll.hspacing); // TODO: <- THIS IS WRONG !
if (d > (ll.linewidth - firstlineoffset)) {
ll.RewindLine (otext);
FinalizeLL (ref ll, firstlineoffset);
ll.lineno = lno++;
yield return ll;
firstlineoffset = 0;
ll = new TTFTextInternal.LineLayout (w, tm, true);
}
}
}
}
// last line
if ((tm.ParagraphAlignment == TTFText.ParagraphAlignmentEnum.Justified)) {
ll.align = TTFText.ParagraphAlignmentEnum.Left;
}
ll.offset = 0;
if (((ll.align != TTFText.ParagraphAlignmentEnum.Right))
&& ((ll.align != TTFText.ParagraphAlignmentEnum.Center))) {
ll.offset = firstlineoffset;
}
ll.ComputeCharacterPositions ();
if ((tm.ParagraphAlignment == TTFText.ParagraphAlignmentEnum.Right)) {
ll.offset = ll.linewidth - ll.GetActualLinewidth ();
} else {
if ((tm.ParagraphAlignment == TTFText.ParagraphAlignmentEnum.Center)) {
ll.offset = (ll.linewidth - ll.GetActualLinewidth ()) / 2;
} else {
ll.offset = firstlineoffset;
}
}
ll.lineno = lno++;
yield return ll;
if ((tm.ParagraphAlignment != TTFText.ParagraphAlignmentEnum.Right) && (tm.ParagraphAlignment != TTFText.ParagraphAlignmentEnum.Center)) {
firstlineoffset = tm.FirstLineOffset;
}
}
}
}
/// <summary>
/// Wraps a paragraphs that does not contain any markup.
/// </summary>
/// <returns>
/// The paragraphs simple.
/// </returns>
/// <param name='text'>
/// The Text to be wrapped up.
/// </param>
/// <param name='tm'>
/// The textmesh object associated with it.
/// </param>
public static IEnumerable<TTFTextInternal.LineLayout> WrapParagraphsSimple (string text, TTFText tm)
{
// This function proceeds as follow it generates outline adding words one by one
// if the line becomes too long for the desired textwidth it starts a new line
float d;
int lno = 0;
char[] lseps = new char[] { '\n' };
char[] wseps = new char[] { ' ' };
string [] paragraphs = text.Split (lseps);
if (paragraphs.Length == 0) {
yield break;
}
float firstlineoffset = 0;
if ((tm.ParagraphAlignment != TTFText.ParagraphAlignmentEnum.Right) && (tm.ParagraphAlignment != TTFText.ParagraphAlignmentEnum.Center)) {
firstlineoffset = tm.FirstLineOffset;
}
foreach (string paragraph in paragraphs) {
string[] words = null;
if (tm.WordSplitMode == TTFText.WordSplitModeEnum.SpaceBased) {
words = paragraph.Split (wseps, System.StringSplitOptions.RemoveEmptyEntries);
}
if (tm.WordSplitMode == TTFText.WordSplitModeEnum.Character) {
words = new string[paragraph.Length];
int ci = 0;
foreach (char c in paragraph) {
words [ci] = "" + c;
ci++;
}
}
if (words.Length == 0) {
yield return new TTFTextInternal.LineLayout("",tm,true);
if ((tm.ParagraphAlignment != TTFText.ParagraphAlignmentEnum.Right) && (tm.ParagraphAlignment != TTFText.ParagraphAlignmentEnum.Center)) {
firstlineoffset = tm.FirstLineOffset;
}
} else {
TTFTextInternal.LineLayout ll = new TTFTextInternal.LineLayout (words [0], tm, true);
for (int idx = 1; idx < words.Length; ++idx) {
string w = words [idx];
string otext = ll.line;
if (tm.WordSplitMode == TTFText.WordSplitModeEnum.SpaceBased) {
ll.AppendText (" " + w);
} else {
ll.AppendText (w);
}
d = ll.GetDefaultLineWidth (ll.hspacing);
if (d > (ll.linewidth - firstlineoffset)) {
ll.RewindLine (otext);
ll.offset = 0;
if (((ll.align != TTFText.ParagraphAlignmentEnum.Right))
&& ((ll.align != TTFText.ParagraphAlignmentEnum.Center))) {
ll.offset = firstlineoffset;
}
ll.ComputeCharacterPositions ();
if ((ll.align == TTFText.ParagraphAlignmentEnum.Right)) {
// Debug.Log(System.String.Format("{0} {1}",ll.linewidth, ll.GetActualLinewidth()));
ll.offset = ll.linewidth - ll.GetActualLinewidth ();
} else {
if ((ll.align == TTFText.ParagraphAlignmentEnum.Center)) {
ll.offset = (ll.linewidth - ll.GetActualLinewidth ()) / 2;
} else {
ll.offset = firstlineoffset;
}
}
ll.lineno = lno++;
yield return ll;
firstlineoffset = 0;
ll = new TTFTextInternal.LineLayout (w, tm, true);
}
}
// last line
if ((tm.ParagraphAlignment == TTFText.ParagraphAlignmentEnum.Justified)) {
ll.align = TTFText.ParagraphAlignmentEnum.Left;
}
ll.offset = 0;
if (((ll.align != TTFText.ParagraphAlignmentEnum.Right))
&& ((ll.align != TTFText.ParagraphAlignmentEnum.Center))) {
ll.offset = firstlineoffset;
}
ll.ComputeCharacterPositions ();
if ((tm.ParagraphAlignment == TTFText.ParagraphAlignmentEnum.Right)) {
ll.offset = ll.linewidth - ll.GetActualLinewidth ();
} else {
if ((tm.ParagraphAlignment == TTFText.ParagraphAlignmentEnum.Center)) {
ll.offset = (ll.linewidth - ll.GetActualLinewidth ()) / 2;
} else {
ll.offset = firstlineoffset;
}
}
ll.lineno = lno++;
yield return ll;
if ((tm.ParagraphAlignment != TTFText.ParagraphAlignmentEnum.Right) && (tm.ParagraphAlignment != TTFText.ParagraphAlignmentEnum.Center)) {
firstlineoffset = tm.FirstLineOffset;
}
}
}
}
/// <summary>
/// Subdivide lines into words
/// </summary>
/// <returns>
/// The one per line.
/// </returns>
/// <param name='l'>
/// L.
/// </param>
static IEnumerable<TTFTextInternal.LineLayout> EOnePerWord (TTFTextInternal.LineLayout l)
{
char[] seps = new char[] { ' ' };
string[] words = l.line.Split (seps, System.StringSplitOptions.RemoveEmptyEntries);
int p = 0;
float sa = 0;
foreach (string w in words) {
int wlen = w.Length;
int p0 = p;
while (l.line[p] != w[0])
p++; // <- skipping spaces : BUG TO BE FIXED !
TTFTextInternal.LineLayout r = new TTFTextInternal.LineLayout (w, l.tm, false);
r.prevadvance = l.prevadvance + sa;
if (wlen > 0) {
r.linewidth = l.GetCharStyle (p).LineWidth;
}
r.charadvances = new float[w.Length];
r.charpositions = new float[w.Length];
r.charstyleindex = new int[w.Length];
r.charmetadata = new object[w.Length];
for (int i = 0; i < wlen; i++) {
r.charadvances [i] = l.charadvances [p + i];
r.charpositions [i] = l.charpositions [p + i] - l.charpositions [p0];
r.charstyleindex [i] = l.charstyleindex [p + i];
r.charmetadata [i] = l.charmetadata [p + i];
}
if (p + wlen < l.line.Length) {
r.advancelen = l.charpositions [p + wlen] - l.charpositions [p0];
} else {
r.advancelen = l.advancelen - l.charpositions [p0];
}
r.lineno = l.lineno;
yield return r;
sa += r.advancelen;
p += wlen;
}
}
/// <summary>
/// Subdivides line into individual characters
/// </summary>
/// <returns>
/// The one per char.
/// </returns>
/// <param name='l'>
/// L.
/// </param>
static IEnumerable<TTFTextInternal.LineLayout> EOnePerChar (TTFTextInternal.LineLayout l)
{
int i = 0;
float sa = 0;
foreach (char c in l.line) {
TTFTextInternal.LineLayout r = new TTFTextInternal.LineLayout ("" + c, l.tm, false);
r.charadvances = new float[1];
r.charpositions = new float[1];
r.charstyleindex = new int[1];
r.charmetadata = new object[1];
r.charadvances [0] = l.charadvances [i];
r.charpositions [0] = 0;
r.charstyleindex [0] = l.charstyleindex [i];
r.charmetadata [0] = l.charmetadata [i];
r.prevadvance = l.prevadvance + sa;
r.linewidth = l.GetCharStyle (i).LineWidth;
r.lineno = l.lineno;
if (i + 1 < l.line.Length) {
r.advancelen = l.charpositions [i + 1] - l.charpositions [i];
} else {
r.advancelen = l.advancelen - l.charpositions [i];
}
yield return r;
sa += r.advancelen;
i += 1;
}
}
public static IEnumerable<TTFTextInternal.LineLayout> GenerateTextLayout (string text, TTFText tm)
{
switch (tm.LayoutMode) {
case TTFText.LayoutModeEnum.No:
char [] seps = {'\n'};
int lineno = 0;
foreach (string s in text.Split(seps)) {
TTFTextInternal.LineLayout l = new TTFTextInternal.LineLayout (s, tm, true);
l.offset = 0;
l.lineno = lineno++;
l.advancedir = Vector3.right;
yield return l;
}
break;
case TTFText.LayoutModeEnum.Wrap:
#if TTFTEXT_LITE
if (tm.DemoMode) {
#endif
foreach (TTFTextInternal.LineLayout ll in WrapParagraphsSimple(text, tm)) {
yield return ll;
}
#if TTFTEXT_LITE
}
#endif
break;
case TTFText.LayoutModeEnum.StyleEnabled:
#if TTFTEXT_LITE
if (tm.DemoMode) {
#endif
foreach (TTFTextInternal.LineLayout ll in WrapParagraphsExt(text, tm)) {
yield return ll;
}
#if TTFTEXT_LITE
}
#endif
break;
}
}
