public void UpdateFromGlyphData(ref GlyphData glyphData)
{
if (glyphData.DirtyUnicodeCodePoint)
{
GlyphIndexOrCodePoint = glyphData.UnicodeCodePoint;
UpdateFromRenderInfo();
return;
}
if (glyphData.DirtyPosition)
{
GlyphPosition.X = glyphData.X;
GlyphPosition.Y = glyphData.Y;
}
if (glyphData.DirtyScale)
{
GlyphScale = GlyphScale * new Vector2(glyphData.ScaleX, glyphData.ScaleY);
}
if (glyphData.DirtyColor)
{
GlyphColor = glyphData.Color;
}
}
public void PopulateGlyphData(ref GlyphData glyphData)
{
glyphData.UnicodeCodePoint = TextIsShaped ? GlyphCharacter : GlyphIndexOrCodePoint;
glyphData.Pass = GlyphShaderPass;
glyphData.X = GlyphPosition.X;
glyphData.Y = GlyphPosition.Y;
glyphData.ScaleX = 1.0f;
glyphData.ScaleY = 1.0f;
glyphData.Color = GlyphColor;
glyphData.ClearDirtyFlags();
}
/// <summary>
/// Executes the glyph shader.
/// </summary>
/// <param name="context">The glyph shader contxt in which to execute the shader.</param>
/// <param name="data">The data for the glyph which is being drawn.</param>
/// <param name="index">The index of the glyph within its source string.</param>
public void Execute(ref GlyphShaderContext context, ref GlyphData data, Int32 index)
{
if (glyphShaderScopedStack != null)
{
foreach (var shader in glyphShaderScopedStack)
{
shader.Value.Execute(ref context, ref data, index);
}
}
else if (glyphShaderStack != null)
{
foreach (var shader in glyphShaderStack)
{
shader.Execute(ref context, ref data, index);
}
}
else if (glyphShader != null)
{
glyphShader.Execute(ref context, ref data, index);
}
}
public Boolean ProcessGlyphShaderPass(ref GlyphShaderContext glyphShaderContext, ref GlyphData glyphData, Int32 i, ref Int32 length)
{
if (glyphShaderContext.IsValid)
{
PopulateGlyphData(ref glyphData);
GlyphShaderPass++;
glyphShaderContext.Execute(ref glyphData, glyphShaderContext.SourceOffset + i);
UpdateFromGlyphData(ref glyphData);
if (glyphData.DirtyUnicodeCodePoint)
{
length = 0;
return(true);
}
}
GlyphShaderPass = 0;
return(false);
}
/// <summary> /// Executes the glyph shader /// </summary> /// <param name="context">The current glyph shader context.</param> /// <param name="data">The data for the glyph being drawn.</param> /// <param name="index">The index of the glyph within its source string.</param> public abstract void Execute(ref GlyphShaderContext context, ref GlyphData data, Int32 index);
/// <summary>
/// Executes the glyph shader.
/// </summary>
/// <param name="data">The data for the glyph which is being drawn.</param>
/// <param name="index">The index of the glyph within its source string.</param>
public void Execute(ref GlyphData data, Int32 index)
{
glyphShader.Execute(ref this, ref data, index);
}
