void CreateLabelTextureWrapped()
{
if (font == null)
{
font = DaggerfallUI.DefaultFont;
}
// set a local maxWidth that compensates for textScale
int maxWidth = (int)(this.maxWidth / textScale);
// First pass encodes ASCII and calculates final dimensions
int width = 0;
int greatestWidthFound = 0;
int lastEndOfRowByte = 0;
asciiBytes = Encoding.ASCII.GetBytes(text);
List <byte[]> rows = new List <byte[]>();
List <int> rowWidth = new List <int>();
for (int i = 0; i < asciiBytes.Length; i++)
{
// Invalid ASCII bytes are cast to a space character
if (!font.HasGlyph(asciiBytes[i]))
{
asciiBytes[i] = PixelFont.SpaceASCII;
}
// Calculate total width
PixelFont.GlyphInfo glyph = font.GetGlyph(asciiBytes[i]);
// If maxWidth is set, don't allow the label texture to exceed it
if ((maxWidth <= 0) || ((width + glyph.width + font.GlyphSpacing) <= maxWidth))
{
width += glyph.width + font.GlyphSpacing;
}
else
{
int rowLength;
if (wrapWords)
{
int j;
for (j = i; j >= lastEndOfRowByte; j--)
{
glyph = font.GetGlyph(asciiBytes[j]);
if (j < i) // glyph i has not been added to width
{
width -= glyph.width + font.GlyphSpacing;
if (width <= maxWidth && asciiBytes[j] == PixelFont.SpaceASCII)
{
break;
}
}
}
if (j > lastEndOfRowByte) // space found in row at position that is not exceeding maxWidth for all summed glyph's widths before this position
{
i = j; // set new processing position (j is the space position, i will be increased on next loop iteration to point to next chat after the space char)
rowLength = j - lastEndOfRowByte; // set length from row start to position before space
}
else
{
rowLength = i - lastEndOfRowByte;
}
// compute width of text-wrapped line
width = 0;
for (int k = lastEndOfRowByte; k < j; k++)
{
if (k < j - 1 || (k == j - 1 && asciiBytes[k] != PixelFont.SpaceASCII)) // all expect last character if it is a space
{
glyph = font.GetGlyph(asciiBytes[k]);
width += glyph.width + font.GlyphSpacing;
}
}
}
else
{
rowLength = i - lastEndOfRowByte;
}
// The row of glyphs exceeded maxWidth. Add it to the list of rows and start
// counting width again with the remainder of the ASCII bytes.
List <byte> content = new List <byte>(asciiBytes).GetRange(lastEndOfRowByte, rowLength);
if (content[content.Count - 1] == PixelFont.SpaceASCII)
{
content.RemoveAt(content.Count - 1);
}
byte[] trimmed = content.ToArray();
rows.Add(trimmed);
rowWidth.Add(width);
// update greatest width found so far
if (greatestWidthFound < width)
{
greatestWidthFound = width;
}
// reset width for next line
width = 0;
// Resume interation over remainder of ASCII bytes
//asciiBytes = new List<byte>(asciiBytes).GetRange(i, asciiBytes.Length - i).ToArray();
//i = 0;
lastEndOfRowByte = i + 1; // position after space for next line, note: i will be increased on next loop iteration anyway - so no need to increase i
}
}
if (lastEndOfRowByte > 0)
{
asciiBytes = new List <byte>(asciiBytes).GetRange(lastEndOfRowByte, asciiBytes.Length - lastEndOfRowByte).ToArray();
}
// also get width of last line
width = 0;
for (int i = 0; i < asciiBytes.Length; i++)
{
PixelFont.GlyphInfo glyph = font.GetGlyph(asciiBytes[i]);
width += glyph.width + font.GlyphSpacing;
}
// update greatest width found so far
if (width <= maxWidth && greatestWidthFound < width) // width should always be <= maxWidth here
{
greatestWidthFound = width;
}
rows.Add(asciiBytes);
rowWidth.Add(width);
//width = greatestWidthFound;
// Destroy old texture
if (labelTexture)
{
UnityEngine.Object.Destroy(labelTexture);
}
// Create target label texture
totalWidth = maxWidth;
totalHeight = (int)(rows.Count * font.GlyphHeight);
numTextLines = rows.Count;
labelTexture = CreateLabelTexture(totalWidth, totalHeight);
if (labelTexture == null)
{
throw new Exception("TextLabel failed to create labelTexture.");
}
// Second pass adds glyphs to label texture
int xpos = 0;
int ypos = totalHeight - font.GlyphHeight;
//foreach (byte[] row in rows)
for (int r = 0; r < rows.Count; r++)
{
byte[] row = rows[r];
float alignmentOffset;
switch (horizontalTextAlignment)
{
default:
case HorizontalTextAlignmentSetting.None:
case HorizontalTextAlignmentSetting.Left:
case HorizontalTextAlignmentSetting.Justify:
alignmentOffset = 0.0f;
break;
case HorizontalTextAlignmentSetting.Center:
alignmentOffset = (totalWidth - rowWidth[r]) * 0.5f;
break;
case HorizontalTextAlignmentSetting.Right:
alignmentOffset = totalWidth - rowWidth[r];
break;
}
int numSpaces = 0; // needed to compute extra offset between words for HorizontalTextAlignmentSetting.Justify
//int widthTextCharacters = 0; // needed to compute extra offset between words for HorizontalTextAlignmentSetting.Justify
int extraSpaceToDistribute = 0; // needed to compute extra offset between words for HorizontalTextAlignmentSetting.Justify
if (horizontalTextAlignment == HorizontalTextAlignmentSetting.Justify)
{
for (int i = 0; i < row.Length; i++)
{
if (row[i] == PixelFont.SpaceASCII)
{
numSpaces++;
}
//else
//widthTextCharacters += font.GetGlyph(row[i]).width + font.GlyphSpacing;
}
extraSpaceToDistribute = maxWidth - rowWidth[r]; // +numSpaces * font.GetGlyph(PixelFont.SpaceASCII).width + font.GlyphSpacing;
}
xpos = (int)alignmentOffset;
for (int i = 0; i < row.Length; i++)
{
PixelFont.GlyphInfo glyph = font.GetGlyph(row[i]);
if (xpos + glyph.width > totalWidth)
{
break;
}
if (row[i] == PixelFont.SpaceASCII)
{
if (numSpaces > 1)
{
int currentPortionExtraSpaceToDistribute = (int)Mathf.Round((float)extraSpaceToDistribute / (float)numSpaces);
xpos += currentPortionExtraSpaceToDistribute;
extraSpaceToDistribute -= currentPortionExtraSpaceToDistribute;
numSpaces--;
}
else if (numSpaces == 1)
{
xpos += extraSpaceToDistribute;
}
}
labelTexture.SetPixels32(xpos, ypos, glyph.width, font.GlyphHeight, glyph.colors);
xpos += glyph.width + font.GlyphSpacing;
}
ypos -= font.GlyphHeight;
}
labelTexture.Apply(false, makeTextureNoLongerReadable);
labelTexture.filterMode = font.FilterMode;
this.Size = new Vector2(totalWidth * textScale, totalHeight * textScale);
}
void CreateLabelTextureSingleLine()
{
if (font == null)
{
font = DaggerfallUI.DefaultFont;
}
// set a local maxWidth that compensates for textScale
int maxWidth = (int)(this.maxWidth / textScale);
// First pass encodes ASCII and calculates final dimensions
int width = 0;
asciiBytes = Encoding.Convert(Encoding.UTF8, Encoding.GetEncoding("ISO-8859-1"), Encoding.Default.GetBytes(text));
for (int i = startCharacterIndex; i < asciiBytes.Length; i++)
{
// Invalid ASCII bytes are cast to a space character
if (!font.HasGlyph(asciiBytes[i]))
{
asciiBytes[i] = PixelFont.SpaceASCII;
}
// Calculate total width
PixelFont.GlyphInfo glyph = font.GetGlyph(asciiBytes[i]);
width += glyph.width + font.GlyphSpacing;
}
if (maxWidth > 0 && width > maxWidth)
{
width = maxWidth;
}
// Destroy old texture
if (labelTexture)
{
UnityEngine.Object.Destroy(labelTexture);
}
// Create target label texture
totalWidth = width;
totalHeight = (int)(font.GlyphHeight);
numTextLines = 1;
labelTexture = CreateLabelTexture(totalWidth, totalHeight);
if (labelTexture == null)
{
throw new Exception("TextLabel failed to create labelTexture.");
}
float alignmentOffset;
switch (horizontalTextAlignment)
{
default:
case HorizontalTextAlignmentSetting.None:
case HorizontalTextAlignmentSetting.Left:
case HorizontalTextAlignmentSetting.Justify:
alignmentOffset = 0.0f;
break;
case HorizontalTextAlignmentSetting.Center:
alignmentOffset = (totalWidth - width) * 0.5f;
break;
case HorizontalTextAlignmentSetting.Right:
alignmentOffset = totalWidth - width;
break;
}
// Second pass adds glyphs to label texture
int xpos = (int)alignmentOffset;
for (int i = startCharacterIndex; i < asciiBytes.Length; i++)
{
PixelFont.GlyphInfo glyph = font.GetGlyph(asciiBytes[i]);
if (xpos + glyph.width >= totalWidth)
{
break;
}
labelTexture.SetPixels32(xpos, 0, glyph.width, totalHeight, glyph.colors);
xpos += glyph.width + font.GlyphSpacing;
}
labelTexture.Apply(false, makeTextureNoLongerReadable);
labelTexture.filterMode = font.FilterMode;
this.Size = new Vector2(totalWidth * textScale, totalHeight * textScale);
}
