public GlyphPlanSequence(IUnscaledGlyphPlanList glyphPlanList, int startAt, int len)
{
_glyphPlanList = glyphPlanList;
this.startAt = startAt;
this.len = (ushort)len;
_isRTL = false;
}
public GlyphPlanSequence(IUnscaledGlyphPlanList glyphPlanList)
{
_glyphPlanList = glyphPlanList;
this.startAt = 0;
this.len = (ushort)glyphPlanList.Count;
_isRTL = false;
}
public virtual void GenerateGlyphPlan(
char[] textBuffer,
int startAt,
int len,
IUnscaledGlyphPlanList unscaledGlyphPlan)
{
GlyphLayout glyphLayout = this.GlyphLayoutMan;
glyphLayout.Layout(textBuffer, startAt, len);
glyphLayout.GenerateUnscaledGlyphPlans(unscaledGlyphPlan);
}
//
public float CalculateWidth()
{
if (_glyphBuffer == null)
{
return(0);
}
//
IUnscaledGlyphPlanList plans = _glyphBuffer;
int end = startAt + len;
float width = 0;
for (int i = startAt; i < end; ++i)
{
width += plans[i].AdvanceX;
}
return(width);
}
/// <summary>
/// fetch layout result, unscaled version, put to IUnscaledGlyphPlanList
/// </summary>
/// <param name="glyphPositions"></param>
/// <param name="pxscale"></param>
/// <param name="outputGlyphPlanList"></param>
public void GenerateUnscaledGlyphPlans(IUnscaledGlyphPlanList outputGlyphPlanList)
{
IGlyphPositions glyphPositions = _glyphPositions;
int finalGlyphCount = glyphPositions.Count;
for (int i = 0; i < finalGlyphCount; ++i)
{
short offsetX, offsetY, advW;
ushort glyphIndex = glyphPositions.GetGlyph(i,
out ushort input_offset,
out offsetX,
out offsetY,
out advW);
//
outputGlyphPlanList.Append(new UnscaledGlyphPlan(
input_offset,
glyphIndex,
advW,
offsetX,
offsetY
));
}
}
public GlyphPlanSequence(IUnscaledGlyphPlanList glyphBuffer)
{
_glyphBuffer = glyphBuffer;
this.startAt = 0;
this.len = (ushort)glyphBuffer.Count;
}
public GlyphPlanSequence(IUnscaledGlyphPlanList glyphBuffer, int startAt, int len)
{
_glyphBuffer = glyphBuffer;
this.startAt = startAt;
this.len = (ushort)len;
}
