protected virtual void CreateLabelTexture()
{
if (font == null)
{
font = DaggerfallUI.DefaultFont;
}
// First pass encodes ASCII and calculates final dimensions
int width = 0;
asciiBytes = Encoding.ASCII.GetBytes(text);
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]);
width += glyph.width + font.GlyphSpacing;
}
if (maxWidth > 0 && width > maxWidth)
{
width = maxWidth;
}
// Create target label texture
totalWidth = width;
totalHeight = font.GlyphHeight;
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;
for (int i = 0; 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, true);
labelTexture.filterMode = font.FilterMode;
this.Size = new Vector2(totalWidth, totalHeight);
}
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.ASCII.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);
}
