public TTGlyph toSimpleGlyph() {
// convert the file into array of contours
XContour[] contours = toContours();
if ((contours == null) && (!isRequiredGlyph())) {
return null;
} // if
TTGlyph retval = new TTGlyph();
retval.setSimple(true);
retval.setAdvanceWidth(getAdvanceWidth());
if (contours == null) {
return retval;
} // if
ArrayList<EContourPoint> points = new ArrayList<>();
for (int i = 0; i < contours.length; i++) {
XContour contour = contours[i];
XContourPoint[] contourPoints = contour.getContourPoint();
for (int j = 0; j < contourPoints.length; j++) {
points.add((EContourPoint) contourPoints[j]);
} // for j
retval.addEndPoint(points.size() - 1);
} // for i
for (EContourPoint point : points) {
loadContourPoint(retval, point);
} // for point
boolean hasGridfit = false;
// I need int i here.
for (int i = 0; i < points.size(); i++) {
EContourPoint point = points.get(i);
if (!point.isRounded()) {
continue;
} // if
hasGridfit = true;
loadGridfit(retval, point, i);
} // for i
if (hasGridfit) {
retval.addInstruction(TTGlyph.IUP1);
retval.addInstruction(TTGlyph.IUP0);
} // if
// I need int i here.
for (int i = 0; i < points.size(); i++) {
EContourPoint point = points.get(i);
if (point.getHint().length == 0) {
continue;
} // if
loadHint(retval, point, i);
} // for i
return retval;
}
private void loadGridfit(TTGlyph a_glyph, EContourPoint a_point, int a_index) {
if (!a_point.isRounded()) {
return;
} // if
a_glyph.addInstruction(TTGlyph.PUSHB000);
a_glyph.addInstruction(a_index);
a_glyph.addInstruction(TTGlyph.MDAP1);
}
private void loadContourPoint(TTGlyph a_glyph, EContourPoint a_point) {
double x = a_point.getX();
double y = a_point.getY();
Point p = new Point((int) x, (int) y);
int flag = 0;
if (a_point.isOn()) {
flag = TTGlyph.k_onCurve;
} // if
a_glyph.addPoint(p);
a_glyph.addFlag(flag);
}
private void loadHint(TTGlyph a_glyph, EContourPoint a_point, int a_index) {
double x = a_point.getX();
double y = a_point.getY();
XHint[] hints = a_point.getHint();
for (int i = 0; i < hints.length; i++) {
EHint hint = (EHint) hints[i];
double xHint = hint.getX();
double yHint = hint.getY();
if (x == xHint && y == yHint) {
continue;
} // if
double xDelta = xHint - x;
double yDelta = yHint - y;
int instruction = TTGlyph.DELTAP1;
double deltaStep = ((double) Engine.getEm()) / hint.getPpem() / 8;
int xShift = (int) Math.round(xDelta / deltaStep);
int yShift = (int) Math.round(yDelta / deltaStep);
if (xShift == 0 && yShift == 0) {
continue;
} // if
a_glyph.addInstruction(TTGlyph.PUSHB000);
a_glyph.addInstruction((int) hint.getPpem());
a_glyph.addInstruction(TTGlyph.SDB);
if (xShift != 0) {
a_glyph.addInstruction(TTGlyph.SVTCA1);
a_glyph.addInstruction(TTGlyph.PUSHB010);
a_glyph.addInstruction(TTGlyph.toDeltaArg(0, xShift));
a_glyph.addInstruction(a_index);
a_glyph.addInstruction(1);
a_glyph.addInstruction(TTGlyph.DELTAP1);
} // if
if (yShift != 0) {
a_glyph.addInstruction(TTGlyph.SVTCA0);
a_glyph.addInstruction(TTGlyph.PUSHB010);
a_glyph.addInstruction(TTGlyph.toDeltaArg(0, yShift));
a_glyph.addInstruction(a_index);
a_glyph.addInstruction(1);
a_glyph.addInstruction(TTGlyph.DELTAP1);
} // if
} // for i
}