public RenderParagraph(TextSpan text,
TextAlign textAlign = TextAlign.left,
TextDirection textDirection = TextDirection.ltr,
bool softWrap = true,
TextOverflow overflow = TextOverflow.clip,
float textScaleFactor = 1.0f,
int?maxLines = null,
Action onSelectionChanged = null,
Color selectionColor = null
)
{
D.assert(maxLines == null || maxLines > 0);
this._softWrap = softWrap;
this._overflow = overflow;
this._textPainter = new TextPainter(
text,
textAlign,
textDirection,
textScaleFactor,
maxLines,
overflow == TextOverflow.ellipsis ? _kEllipsis : ""
);
this._selection = null;
this.onSelectionChanged = onSelectionChanged;
this.selectionColor = selectionColor;
this._resetHoverHandler();
}
public DefaultTextStyle(
Widget child,
TextStyle style,
Key key = null,
TextAlign?textAlign = null,
bool softWrap = true,
TextOverflow overflow = TextOverflow.clip,
int?maxLines = null,
TextWidthBasis textWidthBasis = TextWidthBasis.parent,
ui.TextHeightBehavior textHeightBehavior = null
) : base(key: key, child: child)
{
D.assert(style != null);
D.assert(maxLines == null || maxLines > 0);
D.assert(child != null);
this.style = style;
this.textAlign = textAlign;
this.softWrap = softWrap;
this.overflow = overflow;
this.maxLines = maxLines;
this.textWidthBasis = textWidthBasis;
this.textHeightBehavior = textHeightBehavior;
}
public int DrawText(Control control, int?reference, Rectangle bounds, string text, Font font, Color color,
HorizontalAlignment horizontalAlignment, VertictalAlignment vertictalAlignment, bool wordWrap = false,
TextOverflow textOverflow = TextOverflow.Clip)
{
return(RunDrawCall(control, reference, () => _renderer.DrawText(bounds, text, font, color,
horizontalAlignment, vertictalAlignment, wordWrap, textOverflow)));
}
/// <summary>Creates a new <see cref="TextGlyph"/> instance from the given parameters.</summary>
public TextGlyph(string text, Font font, TextOverflow textOverflow, LogicalDirection textOverflowDirection, Vector sharpnessVector) {
Text = text;
Font = font;
TextOverflow = textOverflow;
TextOverflowDirection = textOverflowDirection;
SharpnessVector = sharpnessVector;
_prepareVisualText(Text);
var result = _buildGlyph(false, Double.PositiveInfinity);
if (result != null) {
_fullRun = result.GlyphRun;
Size = new Size(result.Width, result.Height);
Baseline = result.Baseline;
}
}
public DefaultTextStyleTransition(
Animation <TextStyle> style,
Widget child,
Key key = null,
TextAlign?textAlign = null,
bool softWrap = true,
TextOverflow overflow = TextOverflow.clip,
int?maxLines = null
) : base(key: key, listenable: style)
{
D.assert(style != null);
D.assert(child != null);
this.textAlign = textAlign;
this.softWrap = softWrap;
this.overflow = overflow;
this.maxLines = maxLines;
this.child = child;
}
public DefaultTextStyle(
Key key = null,
TextStyle style = null,
TextAlign?textAlign = null,
bool softWrap = true,
TextOverflow overflow = TextOverflow.clip,
int?maxLines = null,
Widget child = null
) : base(key, child)
{
D.assert(style != null);
D.assert(maxLines == null || maxLines > 0);
D.assert(child != null);
this.style = style;
this.textAlign = textAlign;
this.softWrap = softWrap;
this.overflow = overflow;
this.maxLines = maxLines;
}
public WealthyRenderParagraph(
TextSpan text,
TextAlign textAlign = TextAlign.left,
TextDirection textDirection = TextDirection.ltr,
bool softWrap = true,
TextOverflow overflow = TextOverflow.clip,
float textScaleFactor = 1,
int?maxLines = null,
Action onSelectionChanged = null,
Color selectionColor = null) : base(
text: text,
textAlign: textAlign,
textDirection: textDirection,
softWrap: softWrap,
overflow: overflow,
textScaleFactor: textScaleFactor,
maxLines: maxLines,
onSelectionChanged: onSelectionChanged,
selectionColor: selectionColor)
{
}
public RenderParagraph(TextSpan text,
TextAlign textAlign = TextAlign.left,
TextDirection textDirection = TextDirection.ltr,
bool softWrap = true,
TextOverflow overflow = TextOverflow.clip,
float textScaleFactor = 1.0f,
int?maxLines = null
)
{
D.assert(maxLines == null || maxLines > 0);
this._softWrap = softWrap;
this._overflow = overflow;
this._textPainter = new TextPainter(
text,
textAlign,
textDirection,
textScaleFactor,
maxLines,
overflow == TextOverflow.ellipsis ? _kEllipsis : ""
);
}
public WealthyTextWrapper(
Key key = null,
TextSpan text = null,
TextAlign textAlign = TextAlign.left,
bool softWrap = true,
TextOverflow overflow = TextOverflow.clip,
float textScaleFactor = 1F,
int?maxLines = null,
Action onSelectionChanged = null,
Color selectionColor = null
) : base(
key: key,
text: text,
textAlign: textAlign,
softWrap: softWrap,
overflow: overflow,
textScaleFactor: textScaleFactor,
maxLines: maxLines,
onSelectionChanged: onSelectionChanged,
selectionColor: selectionColor
)
{
}
public RenderParagraph(
InlineSpan text = null,
TextAlign textAlign = TextAlign.start,
TextDirection textDirection = TextDirection.ltr,
bool softWrap = true,
TextOverflow overflow = TextOverflow.clip,
float textScaleFactor = 1.0f,
int?maxLines = null,
Locale locale = null,
StrutStyle strutStyle = null,
TextWidthBasis textWidthBasis = TextWidthBasis.parent,
ui.TextHeightBehavior textHeightBehavior = null,
List <RenderBox> children = null
)
{
D.assert(maxLines == null || maxLines > 0);
D.assert(text != null);
D.assert(text.debugAssertIsValid());
D.assert(maxLines == null || maxLines > 0);
_softWrap = softWrap;
_overflow = overflow;
_textPainter = new TextPainter(
text: text,
textAlign: textAlign,
textDirection: textDirection,
textScaleFactor: textScaleFactor,
maxLines: maxLines,
ellipsis: overflow == TextOverflow.ellipsis ? _kEllipsis : null,
locale: locale,
strutStyle: strutStyle,
textWidthBasis: textWidthBasis,
textHeightBehavior: textHeightBehavior
);
addAll(children);
_extractPlaceholderSpans(text);
}
/// <summary>Creates a new <see cref="TextGlyph"/> instance from the given parameters.</summary>
public TextGlyph(string text, Font font, TextOverflow textOverflow, LogicalDirection textOverflowDirection)
: this(text, font, textOverflow, textOverflowDirection, new Vector()) {
}
public void Update()
{
if (this.Font == null || (this.Text == this.renderedText && this.WrapSize.x == this.renderedWidth && this.WrapSize.y == this.renderedHeight && this.Anchor == this.renderedAnchor && this.FontScale.x == this.renderedScaleX && this.FontScale.y == this.renderedScaleY && this.Overflow == this.renderedOverflow && this.Wrap == this.renderedWrap))
return;
this.UpdateText();
Vector3 position = new Vector3(0, -this.FontScale.y, 0);
Vector3 renderSize = this.FontScale;
float maxWidth = this.Wrap && this.WrapSize.x > 0 ? this.WrapSize.x : float.MaxValue;
string[] lines;
Vector2 bounds = this.Font.GetTextRect(this.Text, new Vector2(renderSize.x, renderSize.y), maxWidth, out lines);
Vector3 offset = new Vector3(0, 0, 0);
if (this.Anchor == TextAnchor.MiddleCenter || this.Anchor == TextAnchor.MiddleLeft || this.Anchor == TextAnchor.MiddleRight)
offset.y -= bounds.y / 2;
if (this.Anchor == TextAnchor.LowerCenter || this.Anchor == TextAnchor.LowerLeft || this.Anchor == TextAnchor.LowerRight)
offset.y -= bounds.y;
if (this.Anchor == TextAnchor.UpperRight || this.Anchor == TextAnchor.MiddleRight || this.Anchor == TextAnchor.LowerRight)
offset.x = bounds.x;
if (this.Anchor == TextAnchor.UpperCenter || this.Anchor == TextAnchor.MiddleCenter || this.Anchor == TextAnchor.LowerCenter)
offset.x = bounds.x / 2;
List<int> tris = new List<int>();
List<Vector3> vertices = new List<Vector3>();
List<Vector2> uvs = new List<Vector2>();
this.GenerateTextMesh(position - offset, this.Text, renderSize, maxWidth, ref tris, ref vertices, ref uvs);
this.mesh.Clear();
this.mesh.vertices = vertices.ToArray();
this.mesh.uv = uvs.ToArray();
this.mesh.subMeshCount = 1;
this.mesh.SetTriangles(tris.ToArray(), 0);
this.renderedText = this.Text;
this.renderedScaleX = this.FontScale.x;
this.renderedScaleY = this.FontScale.y;
this.renderedWidth = this.WrapSize.x;
this.renderedHeight = this.WrapSize.y;
this.renderedAnchor = this.Anchor;
this.renderedOverflow = this.Overflow;
this.renderedWrap = this.Wrap;
}
// TODO: LTR/RTL support
public int DrawText(Rectangle bounds, string text, Font font, Color color,
HorizontalAlignment horizontalAlignment, VertictalAlignment vertictalAlignment,
bool wordWrap, TextOverflow textOverflow)
{
if (color.A == 0 || font.Size == 0 || string.IsNullOrWhiteSpace(text))
{
return(DenyDrawing());
}
FontGlyphs glyphs;
try
{
glyphs = FontManager.Instance.GetFont(font);
}
catch (Exception ex)
{
var exception = new KeyNotFoundException("The given font is not available.", ex);
exception.Data.Add("Font", font);
throw exception;
}
var drawCommands = new List <DrawCommand>(text.Length);
var lines = new Queue <TextLine>();
var currentTextLine = new TextLine()
{
StartCommandIndex = 0,
CommandCount = 0,
Width = 0
};
int x = bounds.X;
int y = bounds.Y + font.Size;
int lastWhiteSpacePosition = -1;
int widthToLastWhiteSpace = 0;
int lastWhiteSpaceWidth = 0;
Rectangle?clipRect = textOverflow == TextOverflow.Allow ? (Rectangle?)null : bounds;
void StartNextLine(TextLine?line = null)
{
AdjustLineX();
x = bounds.X;
y += glyphs.LineHeight;
lastWhiteSpacePosition = -1;
lines.Enqueue(currentTextLine);
currentTextLine = line ?? new TextLine()
{
StartCommandIndex = currentTextLine.CurrentCommandIndex,
CommandCount = 0,
Width = 0
};
}
void SplitLine()
{
var nextLine = new TextLine()
{
// Note: The whitespace is not added as a draw command so the
// lastWhiteSpacePosition points to the draw command after
// the whitespace character.
StartCommandIndex = lastWhiteSpacePosition,
CommandCount = currentTextLine.CommandCount - lastWhiteSpacePosition,
Width = currentTextLine.Width - widthToLastWhiteSpace - lastWhiteSpaceWidth
};
currentTextLine.Width = widthToLastWhiteSpace;
currentTextLine.CommandCount = lastWhiteSpacePosition - currentTextLine.StartCommandIndex;
StartNextLine(nextLine);
x += nextLine.Width;
// Reposition the glyphs in the line that has moved down.
for (int i = 0; i < currentTextLine.CommandCount; ++i)
{
drawCommands[currentTextLine.StartCommandIndex + i].Offset(-widthToLastWhiteSpace - lastWhiteSpaceWidth, glyphs.LineHeight);
}
}
void AdjustLineX()
{
var lineDrawCommands = drawCommands.Skip(currentTextLine.StartCommandIndex).Take(currentTextLine.CommandCount);
switch (horizontalAlignment)
{
case HorizontalAlignment.Left:
default:
break;
case HorizontalAlignment.Center:
{
int offsetX = (bounds.Width - currentTextLine.Width) / 2;
if (offsetX != 0)
{
foreach (var drawCommand in lineDrawCommands)
{
drawCommand.Offset(offsetX, 0);
}
}
break;
}
case HorizontalAlignment.Right:
{
int offsetX = bounds.Width - currentTextLine.Width;
if (offsetX != 0)
{
foreach (var drawCommand in lineDrawCommands)
{
drawCommand.Offset(offsetX, 0);
}
}
break;
}
case HorizontalAlignment.Justify:
if (currentTextLine.Width >= bounds.Width)
{
// If it doesn't fit into the bounds, we just center it.
int offsetX = (bounds.Width - currentTextLine.Width) / 2;
if (offsetX != 0)
{
foreach (var drawCommand in lineDrawCommands)
{
drawCommand.Offset(offsetX, 0);
}
}
}
else
{
// TODO: we don't have the whitespace here anymore :(
throw new NotImplementedException("Justify is not implemented yet.");
}
break;
}
}
for (int i = 0; i < text.Length; ++i)
{
if (text[i] == '\n')
{
StartNextLine();
continue;
}
else if (text[i] == '\r')
{
if (i == text.Length - 1 || text[i + 1] != '\n')
{
StartNextLine();
}
continue;
}
int lastX = x;
var glyph = DrawGlyph(ref x, y, text[i], color, glyphs, clipRect);
int glyphWidth = x - lastX;
bool whiteSpace = text[i] <= 32 || char.IsWhiteSpace(text[i]);
if (whiteSpace)
{
lastWhiteSpacePosition = currentTextLine.CurrentCommandIndex;
widthToLastWhiteSpace = currentTextLine.Width;
lastWhiteSpaceWidth = glyphWidth;
}
int newLineWidth = currentTextLine.Width + glyphWidth;
if (wordWrap && lastWhiteSpacePosition != -1 && newLineWidth > bounds.Width)
{
// If this is a white space character we simply ignore it and break.
if (whiteSpace)
{
StartNextLine();
continue;
}
else
{
// Bring the current glyph to the right position.
glyph.Offset(-widthToLastWhiteSpace - lastWhiteSpaceWidth, glyphs.LineHeight);
SplitLine();
x += glyphWidth; // x has been reset in SplitLine!
}
}
if (glyph != null)
{
drawCommands.Add(glyph);
++currentTextLine.CommandCount;
}
currentTextLine.Width += glyphWidth;
if (i == text.Length - 1)
{
AdjustLineX();
lines.Enqueue(currentTextLine);
// Adjust y of all lines
int totalHeight = lines.Count * glyphs.LineHeight;
switch (vertictalAlignment)
{
case VertictalAlignment.Top:
default:
break;
case VertictalAlignment.Center:
{
int offsetY = (bounds.Height - totalHeight) / 2;
if (offsetY != 0)
{
foreach (var drawCommand in drawCommands)
{
drawCommand.Offset(0, offsetY);
}
}
break;
}
case VertictalAlignment.Bottom:
{
int offsetY = bounds.Height - totalHeight;
if (offsetY != 0)
{
foreach (var drawCommand in drawCommands)
{
drawCommand.Offset(0, offsetY);
}
}
break;
}
}
}
}
if (drawCommands.Count == 0)
{
return(DenyDrawing()); // Nothing was drawn.
}
++_displayLayer;
return(AddDrawCommands(drawCommands.ToArray()));
}
// rightVectorとdownVectorが正規直交していないと平行四辺形に歪むので注意
int AddText(
string text,
Vector3 origin,
Vector3 rightVector,
Vector3 downVector,
float fontSize,
float boxWidth,
float boxHeight,
AlignX alignX,
AlignY alignY,
TextOverflow overflow,
float lineSpacingRatio)
{
int verticesBegin = vertexCount;
float width, height;
var scale = 0f;
bool wrap;
float normalizedBoxWidth, normalizedBoxHeight;
if (overflow == TextOverflow.Wrap)
{
UnityEngine.Debug.Assert(fontSize > 0f);
scale = fontSize / (float)font.fontSize;
normalizedBoxWidth = boxWidth * scale;
normalizedBoxHeight = boxHeight * scale;
wrap = true;
}
else //if (overflow == TextOverflow.Scale)
{
normalizedBoxWidth = normalizedBoxHeight = float.MaxValue;
wrap = false;
}
var drawnLines = AddTextNormalized(out width, out height, text, normalizedBoxWidth, normalizedBoxHeight, lineSpacingRatio, wrap);
if (drawnLines <= 0) // 何も書いてないなら抜ける
{
return(drawnLines);
}
if (overflow == TextOverflow.Scale)
{
var scaleX = boxWidth / width;
var scaleY = boxHeight / height;
scale = Mathf.Min(scaleX, scaleY);
}
var matrix = Matrix4x4.Translate(origin);
var rotation = Matrix4x4.identity;
rotation.m00 = rightVector.x;
rotation.m10 = rightVector.y;
rotation.m20 = rightVector.z;
rotation.m01 = -downVector.x;
rotation.m11 = -downVector.y;
rotation.m21 = -downVector.z;
var up = Vector3.Cross(downVector, rightVector);
rotation.m02 = up.x;
rotation.m12 = up.y;
rotation.m22 = up.z;
matrix *= rotation;
matrix *= Matrix4x4.Scale(new Vector3(scale, -scale, 1f));
// TODO: 以下の計算はまだ仮
float offsetX = 0f;
switch (alignX)
{
case AlignX.Center: offsetX = -width * 0.5f; break;
case AlignX.Right: offsetX = -width; break;
}
float offsetY = 0f;
switch (alignY)
{
case AlignY.Center: offsetY = -height * 0.5f; break;
case AlignY.Bottom: offsetY = -height; break;
}
matrix *= Matrix4x4.Translate(new Vector3(offsetX, offsetY, 0f));
TransformVertices(verticesBegin, ref matrix);
return(drawnLines);
}
public int AddText(
string text,
float leftX,
float topY,
float fontSize,
float boxWidth,
float boxHeight,
AlignX alignX,
AlignY alignY,
TextOverflow overflow,
float lineSpacingRatio)
{
int verticesBegin = vertexCount;
float width, height;
float scale = 0f;
bool wrap;
float normalizedBoxWidth, normalizedBoxHeight;
if (overflow == TextOverflow.Wrap)
{
UnityEngine.Debug.Assert(fontSize > 0f);
scale = fontSize / (float)font.fontSize;
normalizedBoxWidth = boxWidth / scale;
normalizedBoxHeight = boxHeight / scale;
wrap = true;
}
else //if (overflow == TextOverflow.Scale)
{
normalizedBoxWidth = normalizedBoxHeight = float.MaxValue;
wrap = false;
}
var drawnLines = AddTextNormalized(out width, out height, text, normalizedBoxWidth, normalizedBoxHeight, lineSpacingRatio, wrap);
if (drawnLines <= 0) // 何も書いてないなら抜ける
{
return(drawnLines);
}
if (overflow == TextOverflow.Scale)
{
var scaleX = boxWidth / width;
var scaleY = boxHeight / height;
scale = Mathf.Min(scaleX, scaleY);
}
// TODO: 以下の計算はまだ仮
var offset = Vector2.zero;
switch (alignX)
{
case AlignX.Center: offset.x = -width * 0.5f; break;
case AlignX.Right: offset.x = -width; break;
}
switch (alignY)
{
case AlignY.Center: offset.y = -height * 0.5f; break;
case AlignY.Bottom: offset.y = -height; break;
}
offset *= scale;
offset.x += leftX;
offset.y += topY;
TransformVertices(verticesBegin, scale, ref offset);
return(drawnLines);
}
void TextOverflowUpdateToggleIcon(TextOverflow resolveStyle)
{
m_TextOverflowButton.EnableInClassList("clip", resolveStyle == TextOverflow.Clip);
m_TextOverflowButton.EnableInClassList("ellipsis", resolveStyle == TextOverflow.Ellipsis);
}
public FluentElement <T> TextOverflow(TextOverflow overflow)
{
x.style.textOverflow = overflow; return(x);
}
