public void DoLayout()
{
//user can use other native methods
//to do the layout ***
//the following code is how-to-layout with
//our Typography lib
//
//then at this step
//we calculate span size
//resolve each font style
_glyphLayout.FontSizeInPoints = FontSizeInPts; //
_glyphLayout.EnableComposition = true;
_glyphLayout.EnableLigature = true;
int lineCount = _lines.Count;
List <GlyphPlan> outputGlyphPlan = new List <GlyphPlan>();
GlyphPlanBuffer glyphPlanBuffer = new GlyphPlanBuffer(outputGlyphPlan);
Typeface selectedTypeface = this.DefaultTypeface;
for (int i = 0; i < lineCount; ++i)
{
EditableTextLine line = _lines[i];
List <IRun> runList = line.UnsageGetTextRunList();
int runCount = runList.Count;
for (int r = 0; r < runCount; ++r)
{
TextRun tt = runList[r] as TextRun;
if (tt == null)
{
continue;
}
//this is text run
if (tt.IsMeasured)
{
continue;
}
//
TextRunFontStyle fontStyle = tt.FontStyle;
//resolve to actual font face
TextBuffer buffer = tt.TextBuffer;
char[] rawBuffer = buffer.UnsafeGetInternalBuffer();
int preCount = outputGlyphPlan.Count;
_glyphLayout.Layout(selectedTypeface, rawBuffer, tt.StartAt, tt.Len, outputGlyphPlan);
int postCount = outputGlyphPlan.Count;
//
tt.SetGlyphPlanSeq(new GlyphPlanSequence(glyphPlanBuffer, preCount, postCount - preCount));
tt.IsMeasured = true;
//
}
}
}
public GlyphPlanSequence(GlyphPlanBuffer glyphBuffer, int startAt, int len)
{
this.glyphBuffer = glyphBuffer;
this.startAt = startAt;
this.len = (ushort)len;
}
public static GlyphPlanList UnsafeGetInteralGlyphPlanList(GlyphPlanSequence planSeq)
{
return(GlyphPlanBuffer.UnsafeGetGlyphPlanList(planSeq.glyphBuffer));
}
public static GlyphPlanList UnsafeGetGlyphPlanList(GlyphPlanBuffer buffer)
{
return(buffer._glyphPlans);
}