float DrawSDFGlyphWithShadow(int code, Vector2 position, Vector2 scale, Color color, Vector2 shadowPosition, Color shadowColor)
{
SDFGlyphInfo glyph = sdfFontInfo.Value.glyphs[code];
if (shadowPosition != Vector2.zero && shadowColor != Color.clear)
{
DrawSDFGlyph(glyph, position + shadowPosition * sdfShadowPositionScale, scale, shadowColor);
}
return(DrawSDFGlyph(glyph, position, scale, color));
}
public float GetGlyphWidth(int code, Vector2 scale, float spacing = 0)
{
if (!IsSDFCapable)
{
GlyphInfo glyph = GetGlyph(code);
return(glyph.width + spacing);
}
else
{
SDFGlyphInfo glyph = SDFInfo.glyphs[code];
float scalingRatio = GetSDFGlyphScalingRatio(scale.y);
return(glyph.advance * scalingRatio / scale.x + spacing);
}
}
/// <summary>
/// Load a TextMeshPro 2.0.x asset used for this to use for SDF rendering.
/// Mods can use DaggerfallUI.Instance.Font0 through Font4 to access the instances used by other game windows.
/// Custom font should be set only during startup.
/// </summary>
/// <param name="path">Path to a TextMeshPro 1.3.x font asset.</param>
public void LoadSDFFontAsset(string path)
{
// Attempt to load a TextMeshPro font asset
TMP_FontAsset tmpFont = Resources.Load <TMP_FontAsset>(path);
if (!tmpFont)
{
return;
}
// Create font info
SDFFontInfo fi = new SDFFontInfo();
fi.pointSize = tmpFont.faceInfo.pointSize;
fi.atlasTexture = tmpFont.atlasTexture;
fi.baseline = tmpFont.faceInfo.baseline;
fi.glyphs = new Dictionary <int, SDFGlyphInfo>();
// Cache glyph info
float atlasWidth = tmpFont.atlasTexture.width;
float atlasHeight = tmpFont.atlasTexture.height;
foreach (var kvp in tmpFont.characterLookupTable)
{
// Compose glyph rect inside of atlas
TMP_Character character = kvp.Value;
float atlasGlyphX = character.glyph.glyphRect.x / atlasWidth;
float atlasGlyphY = character.glyph.glyphRect.y / atlasHeight;
float atlasGlyphWidth = character.glyph.glyphRect.width / atlasWidth;
float atlasGlyphHeight = character.glyph.glyphRect.height / atlasHeight;
Rect atlasGlyphRect = new Rect(atlasGlyphX, atlasGlyphY, atlasGlyphWidth, atlasGlyphHeight);
// Store information about this glyph
SDFGlyphInfo glyphInfo = new SDFGlyphInfo()
{
code = (int)kvp.Key,
rect = atlasGlyphRect,
offset = new Vector2(character.glyph.metrics.horizontalBearingX, character.glyph.metrics.horizontalBearingY),
size = new Vector2(character.glyph.metrics.width, character.glyph.metrics.height),
advance = character.glyph.metrics.horizontalAdvance,
};
fi.glyphs.Add((int)kvp.Key, glyphInfo);
}
// Set live font info
sdfFontInfo = fi;
}
/// <summary>
/// Load a TextMeshPro 1.3.x asset used for this to use for SDF rendering.
/// Mods can use DaggerfallUI.Instance.Font1 through Font4 to access the instances used by other game windows.
/// Custom font should be set only during startup.
/// </summary>
/// <param name="path">Path to a TextMeshPro 1.3.x font asset.</param>
public void LoadSDFFontAsset(string path)
{
// Attempt to load a TextMeshPro font asset
TMP_FontAsset tmpFont = Resources.Load <TMP_FontAsset>(path);
if (!tmpFont)
{
return;
}
// Create font info
SDFFontInfo fi = new SDFFontInfo();
fi.pointSize = tmpFont.fontInfo.PointSize;
fi.atlas = tmpFont.atlas;
fi.baseline = tmpFont.fontInfo.Baseline;
fi.glyphs = new Dictionary <int, SDFGlyphInfo>();
// Cache glyph info
float atlasWidth = tmpFont.atlas.width;
float atlasHeight = tmpFont.atlas.height;
foreach (var kvp in tmpFont.characterDictionary)
{
// Compose glyph rect inside of atlas
TMP_Glyph glyph = kvp.Value;
float atlasGlyphX = glyph.x / atlasWidth;
float atlasGlyphY = (atlasHeight - glyph.y - glyph.height) / atlasHeight;
float atlasGlyphWidth = glyph.width / atlasWidth;
float atlasGlyphHeight = glyph.height / atlasHeight;
Rect atlasGlyphRect = new Rect(atlasGlyphX, atlasGlyphY, atlasGlyphWidth, atlasGlyphHeight);
// Store information about this glyph
SDFGlyphInfo glyphInfo = new SDFGlyphInfo()
{
code = kvp.Key,
rect = atlasGlyphRect,
offset = new Vector2(glyph.xOffset, glyph.yOffset),
size = new Vector2(glyph.width, glyph.height),
advance = glyph.xAdvance,
};
fi.glyphs.Add(kvp.Key, glyphInfo);
}
// Set live font info
sdfFontInfo = fi;
}
public float DrawSDFGlyph(SDFGlyphInfo glyph, Vector2 position, Vector2 scale, Color color)
{
float scalingRatio = GetSDFGlyphScalingRatio(scale.y);
// Handle space
if (glyph.code == SpaceCode)
{
return(glyph.advance * scalingRatio);
}
// Compose target rect - this will change based on current display scale
// Can use classic glyph height to approximate baseline vertical position
float baseline = position.y - 2 * scale.y + GlyphHeight * scale.y + sdfFontInfo.Value.baseline;
float xpos = position.x + glyph.offset.x * scalingRatio;
float ypos = baseline - glyph.offset.y * scalingRatio;
Rect targetRect = new Rect(xpos, ypos, glyph.size.x * scalingRatio, glyph.size.y * scalingRatio);
// Draw glyph
Graphics.DrawTexture(targetRect, sdfFontInfo.Value.atlasTexture, glyph.rect, 0, 0, 0, 0, color, DaggerfallUI.Instance.SDFFontMaterial);
return(GetGlyphWidth(glyph, scale, GlyphSpacing));
}
void DrawSDFText(
string text,
Vector2 position,
Vector2 scale,
Color color)
{
float scalingRatio = GlyphHeight / sdfFontInfo.Value.pointSize * scale.y;
byte[] utf32Bytes = Encoding.UTF32.GetBytes(text);
for (int i = 0; i < utf32Bytes.Length; i += sizeof(int))
{
// Get code and use ? for any character code not in dictionary
int code = BitConverter.ToInt32(utf32Bytes, i);
if (!sdfFontInfo.Value.glyphs.ContainsKey(code))
{
code = ErrorCode;
}
// Get glyph data for this code
SDFGlyphInfo glyph = sdfFontInfo.Value.glyphs[code];
// Handle space glyph by just advancing position
if (code == SpaceCode)
{
position.x += glyph.advance * scalingRatio;
continue;
}
// Compose target rect - this will change based on current display scale
// Can use classic glyph height to approximate baseline vertical position
float baseline = position.y - 2 * scale.y + GlyphHeight * scale.y + sdfFontInfo.Value.baseline;
float xpos = position.x + glyph.offset.x * scalingRatio;
float ypos = baseline - glyph.offset.y * scalingRatio;
Rect targetRect = new Rect(xpos, ypos, glyph.size.x * scalingRatio, glyph.size.y * scalingRatio);
// Draw glyph and advance position
Graphics.DrawTexture(targetRect, sdfFontInfo.Value.atlas, glyph.rect, 0, 0, 0, 0, color, DaggerfallUI.Instance.SDFFontMaterial);
position.x += glyph.advance * scalingRatio;
}
}
void DrawSDFText(
string text,
Vector2 position,
Vector2 scale,
Color color)
{
float glyphSpacing = GlyphSpacing;
byte[] utf32Bytes = Encoding.UTF32.GetBytes(text);
for (int i = 0; i < utf32Bytes.Length; i += sizeof(int))
{
// Get code and use ? for any character code not in dictionary
int code = BitConverter.ToInt32(utf32Bytes, i);
if (!sdfFontInfo.Value.glyphs.ContainsKey(code))
{
code = ErrorCode;
}
// Draw glyph and advance position
SDFGlyphInfo glyph = sdfFontInfo.Value.glyphs[code];
DrawSDFGlyph(glyph, position, scale, color);
position.x += GetGlyphWidth(glyph, scale, glyphSpacing) * scale.x;
}
}
public float GetGlyphWidth(SDFGlyphInfo glyph, Vector2 scale, float spacing = 0)
{
float scalingRatio = GetSDFGlyphScalingRatio(scale.y);
return(glyph.advance * scalingRatio / scale.x + spacing);
}
/// <summary>
/// Calculate width of text using whichever font path is active (classic or SDF).
/// </summary>
/// <param name="text">Text to calculate width of.</param>
/// <param name="scale">Scale to use when calculating width.</param>
/// <returns>Width of string in scaled pixels.</returns>
public float CalculateTextWidth(string text, Vector2 scale, int start = 0, int length = -1)
{
// Must have a string
if (string.IsNullOrEmpty(text))
{
return(0);
}
// Get automatic length from start position to end of text
if (length < 0)
{
length = text.Length - start;
}
// Get substring if required
if (start > 0 || length != text.Length)
{
text = text.Substring(start, length);
}
// Calculate width based on active font path
float width = 0;
if (!IsSDFCapable)
{
// Classic glyphs
byte[] asciiBytes = Encoding.ASCII.GetBytes(text);
for (int i = 0; i < asciiBytes.Length; i++)
{
// Get code and use ? for any character code not in dictionary
int code = asciiBytes[i];
if (!HasGlyph(code))
{
code = ErrorCode;
}
// Get glyph data for this code and increment width
GlyphInfo glyph = GetGlyph(code);
width += glyph.width + GlyphSpacing;
}
}
else
{
// SDF glyphs
float scalingRatio = GlyphHeight / sdfFontInfo.Value.pointSize * scale.y;
byte[] utf32Bytes = Encoding.UTF32.GetBytes(text);
for (int i = 0; i < utf32Bytes.Length; i += sizeof(int))
{
// Get code and use ? for any character code not in dictionary
int code = BitConverter.ToInt32(utf32Bytes, i);
if (!sdfFontInfo.Value.glyphs.ContainsKey(code))
{
code = ErrorCode;
}
// Get glyph data for this code and increment width
SDFGlyphInfo glyph = sdfFontInfo.Value.glyphs[code];
width += glyph.advance * scalingRatio;
}
}
return(width);
}
