void layoutWord(float offset, int layoutOffset,
TextBuff buff, int start, int wordCount, TextStyle style, Font font)
{
float wordSpacing =
wordCount == 1 && LayoutUtils.isWordSpace(buff.charAt(start)) ? style.wordSpacing : 0;
float x = this._advance;
float letterSpace = style.letterSpacing;
float letterSpaceHalfLeft = letterSpace * 0.5f;
float letterSpaceHalfRight = letterSpace - letterSpaceHalfLeft;
for (int i = 0; i < wordCount; i++)
{
var ch = buff.charAt(start + i);
if (i == 0)
{
x += letterSpaceHalfLeft + wordSpacing;
this._advances[i + layoutOffset] += letterSpaceHalfLeft + wordSpacing;
}
else
{
this._advances[i - 1 + layoutOffset] += letterSpaceHalfRight;
this._advances[i + layoutOffset] += letterSpaceHalfLeft;
x += letterSpace;
}
if (font.getGlyphInfo(ch, out var glyphInfo, style.UnityFontSize, style.UnityFontStyle))
{
var minX = glyphInfo.minX + x;
var maxX = glyphInfo.maxX + x;
var minY = -glyphInfo.maxY;
var maxY = -glyphInfo.minY;
if (this._bounds.width <= 0 || this._bounds.height <= 0)
{
this._bounds = UnityEngine.Rect.MinMaxRect(
minX, minY, maxX, maxY);
}
else
{
if (minX < this._bounds.x)
{
this._bounds.x = minX;
}
if (minY < this._bounds.y)
{
this._bounds.y = minY;
}
if (maxX > this._bounds.xMax)
{
this._bounds.xMax = maxX;
}
if (maxY > this._bounds.yMax)
{
this._bounds.yMax = maxY;
}
}
}
this._positions[i + layoutOffset] = x;
float advance = glyphInfo.advance;
if (ch == '\t')
{
advance = this._tabStops.nextTab((this._advance + offset)) - this._advance;
}
x += advance;
this._advances[i + layoutOffset] += advance;
if (i + 1 == wordCount)
{
this._advances[i + layoutOffset] += letterSpaceHalfRight;
x += letterSpaceHalfRight;
}
}
this._advance = x;
}
public static float measureText(float offset, TextBuff buff, int start, int count, TextStyle style,
List <float> advances, int advanceOffset, TabStops tabStops)
{
Layout layout = new Layout();
layout.setTabStops(tabStops);
layout.doLayout(offset, buff, start, count, style);
if (advances != null)
{
var layoutAdv = layout.getAdvances();
for (int i = 0; i < count; i++)
{
advances[i + advanceOffset] = layoutAdv[i];
}
}
return(layout.getAdvance());
}
void layoutEmoji(string text, TextStyle style, Font font, int start, int count)
{
for (int i = 0; i < count; i++)
{
char c = text[i];
float x = this._advance;
if (EmojiUtils.isSingleCharNonEmptyEmoji(c) || char.IsHighSurrogate(c))
{
float letterSpace = style.letterSpacing;
float letterSpaceHalfLeft = letterSpace * 0.5f;
float letterSpaceHalfRight = letterSpace - letterSpaceHalfLeft;
x += letterSpaceHalfLeft;
this._advances[i] += letterSpaceHalfLeft;
var metrics = FontMetrics.fromFont(font, style.UnityFontSize);
var minX = x;
var maxX = metrics.descent - metrics.ascent + x;
var minY = metrics.ascent;
var maxY = metrics.descent;
if (this._bounds.width <= 0 || this._bounds.height <= 0)
{
this._bounds = UnityEngine.Rect.MinMaxRect(
minX, minY, maxX, maxY);
}
else
{
if (minX < this._bounds.x)
{
this._bounds.x = minX;
}
if (minY < this._bounds.y)
{
this._bounds.y = minY;
}
if (maxX > this._bounds.xMax)
{
this._bounds.xMax = maxX;
}
if (maxY > this._bounds.yMax)
{
this._bounds.yMax = maxY;
}
}
this._positions[i] = x;
float advance = style.fontSize;
x += advance;
this._advances[i] += advance;
this._advances[i] += letterSpaceHalfRight;
x += letterSpaceHalfRight;
}
else
{
this._advances[i] = 0;
this._positions[i] = x;
}
this._advance = x;
}
}
public float addStyleRun(TextStyle style, int start, int end)
{
float width = 0.0f;
if (style != null)
{
width = Layout.measureText(this._width - this._preBreak, this._textBuf,
start + this._textOffset, end - start, style,
this._charWidths, start, this._tabStops);
}
int current = this._wordBreaker.current();
int afterWord = start;
int lastBreak = start;
float lastBreakWidth = this._width;
float postBreak = this._width;
int postSpaceCount = this._spaceCount;
for (int i = start; i < end; i++)
{
char c = this._textBuf[i + this._textOffset];
if (c == '\t')
{
this._width = this._preBreak + this._tabStops.nextTab((this._width - this._preBreak));
if (this.mFirstTabIndex == int.MaxValue)
{
this.mFirstTabIndex = i;
}
}
else
{
if (LayoutUtils.isWordSpace(c))
{
this._spaceCount += 1;
}
this._width += this._charWidths[i];
if (!LayoutUtils.isLineEndSpace(c))
{
postBreak = this._width;
postSpaceCount = this._spaceCount;
afterWord = i + 1;
}
}
if (i + 1 == current)
{
int wordStart = this._wordBreaker.wordStart();
int wordEnd = this._wordBreaker.wordEnd();
if (style != null || current == end || this._charWidths[current] > 0)
{
this._addWordBreak(current, this._width, postBreak, this._spaceCount, postSpaceCount, 0);
}
lastBreak = current;
lastBreakWidth = this._width;
current = this._wordBreaker.next();
}
}
return(width);
}
public Run(TextStyle style, int start, int end)
{
this.style = style;
this.start = start;
this.end = end;
}
public TextBlob(string text, int textOffset, int textSize, Vector2d[] positions, Rect bounds, TextStyle style)
{
this.instanceId = ++_nextInstanceId;
this.positions = positions;
this.text = text;
this.textOffset = textOffset;
this.textSize = textSize;
this.style = style;
this.bounds = bounds;
}