/// <summary>
/// read latest layout output into outputGlyphPlanList
/// </summary>
public static void ReadOutput(this GlyphLayout glyphLayout, List <GlyphPlan> outputGlyphPlanList)
{
GlyphPosStream glyphPositions = glyphLayout._glyphPositions; //from opentype's layout result,
int finalGlyphCount = glyphPositions.Count;
//------------------------
IPixelScaleLayout pxscaleLayout = glyphLayout.PxScaleLayout;
if (pxscaleLayout != null)
{
//use custom pixel scale layout engine
pxscaleLayout.SetFont(glyphLayout.Typeface, glyphLayout.FontSizeInPoints);
pxscaleLayout.Layout(glyphPositions, outputGlyphPlanList);
}
else
{
//default scale
float pxscale = glyphLayout.PixelScale;
double cx = 0;
short cy = 0;
for (int i = 0; i < finalGlyphCount; ++i)
{
GlyphPos glyph_pos = glyphPositions[i];
float advW = glyph_pos.advanceW * pxscale;
float exact_x = (float)(cx + glyph_pos.OffsetX * pxscale);
float exact_y = (float)(cy + glyph_pos.OffsetY * pxscale);
outputGlyphPlanList.Add(new GlyphPlan(
glyph_pos.glyphIndex,
exact_x,
exact_y,
advW));
cx += advW;
}
}
}
