/// <summary>
/// Applies a new set of rendered glyphs to the <see cref="Font"/>, adjusts its typeface metadata
/// re-generates texture and material.
/// </summary>
/// <param name="bitmap"></param>
/// <param name="atlas"></param>
/// <param name="glyphs"></param>
/// <param name="metrics"></param>
public void SetGlyphData(FontData fontData)
{
this.ReleaseResources();
this.fontData = fontData;
this.GenerateCharLookup();
this.GeneratePixmap();
this.GenerateTexture();
this.GenerateMaterial();
this.GenerateKerningLookup();
}
/// <summary>
/// Applies a new set of rendered glyphs to the <see cref="Font"/>, adjusts its typeface metadata
/// re-generates texture and material.
/// </summary>
public void SetGlyphData(FontData fontData)
{
this.ReleaseResources();
// We always expect a valid data instance, fall back to
// an internal empty one in case of null.
this.fontData = fontData ?? EmptyData;
this.GenerateCharLookup();
this.GeneratePixmap();
this.GenerateTexture();
this.GenerateMaterial();
this.GenerateKerningLookup();
}
protected override void OnLoaded()
{
// Fall back to a default-initialized data instance, in case the actual
// data failed to load.
if (this.fontData == null)
{
this.fontData = EmptyData;
}
this.GenerateCharLookup();
this.GeneratePixmap();
this.GenerateTexture();
this.GenerateMaterial();
this.GenerateKerningLookup();
base.OnLoaded();
}
public FontRasterizer(FontFamily fontFamily, float emSize, FontStyle style, string extendedSet, bool antialiasing, bool monospace, FontRenderMode renderMode)
{
fontData = this.RenderGlyphs(
fontFamily,
emSize,
style,
!string.IsNullOrEmpty(extendedSet) ? new FontCharSet(extendedSet) : null,
renderMode,
antialiasing,
monospace);
FontGlyphData[] glyphs = fontData.Glyphs;
if (glyphs == null)
{
this.charLookup = new int[0];
return;
}
int maxCharVal = 0;
for (int i = 0; i < glyphs.Length; i++)
{
maxCharVal = Math.Max(maxCharVal, (int)glyphs[i].Glyph);
}
this.charLookup = new int[maxCharVal + 1];
for (int i = 0; i < glyphs.Length; i++)
{
this.charLookup[(int)glyphs[i].Glyph] = i;
}
this.pixmap = new Pixmap(fontData.Bitmap);
this.pixmap.Atlas = fontData.Atlas.ToList();
bool isPixelGridAligned =
renderMode == FontRenderMode.MonochromeBitmap || renderMode == FontRenderMode.GrayscaleBitmap || renderMode == FontRenderMode.ClearType;
this.texture = new Texture(this.pixmap,
TextureSizeMode.Enlarge,
isPixelGridAligned ? TextureMagFilter.Nearest : TextureMagFilter.Linear,
isPixelGridAligned ? TextureMinFilter.Nearest : TextureMinFilter.LinearMipmapLinear);
// Select DrawTechnique to use
ContentRef <DrawTechnique> technique;
if (renderMode == FontRenderMode.ClearType)
{
technique = DrawTechnique.Alpha;
}
else if (renderMode == FontRenderMode.MonochromeBitmap)
{
technique = DrawTechnique.Mask;
}
else if (renderMode == FontRenderMode.GrayscaleBitmap)
{
technique = DrawTechnique.Alpha;
}
else if (renderMode == FontRenderMode.SmoothBitmap)
{
technique = DrawTechnique.Alpha;
}
else
{
technique = DrawTechnique.SharpAlpha;
}
// Create and configure internal BatchInfo
BatchInfo matInfo = new BatchInfo(technique, this.texture);
if (technique == DrawTechnique.SharpAlpha)
{
matInfo.SetValue("smoothness", this.fontData.Metrics.Size * 4.0f);
}
this.material = new Material(matInfo);
this.kerningLookup = new FontKerningLookup(this.fontData.KerningPairs);
}