void RenderGlyph(ushort[] contours, short[] xs, short[] ys, bool[] onCurves)
{
//outline version
//-----------------------------
int npoints = xs.Length;
int startContour = 0;
int cpoint_index = 0;
int todoContourCount = contours.Length;
//-----------------------------------
OnBeginRead(todoContourCount);
//-----------------------------------
short lastMoveX = 0;
short lastMoveY = 0;
int controlPointCount = 0;
while (todoContourCount > 0)
{
int nextContour = contours[startContour] + 1;
bool isFirstPoint = true;
FtPoint secondControlPoint = new FtPoint();
FtPoint thirdControlPoint = new FtPoint();
bool justFromCurveMode = false;
for (; cpoint_index < nextContour; ++cpoint_index)
{
short vpoint_x = xs[cpoint_index];
short vpoint_y = ys[cpoint_index];
//int vtag = (int)flags[cpoint_index] & 0x1;
//bool has_dropout = (((vtag >> 2) & 0x1) != 0);
//int dropoutMode = vtag >> 3;
if (onCurves[cpoint_index])
{
//on curve
if (justFromCurveMode)
{
switch (controlPointCount)
{
case 1:
{
OnCurve3(secondControlPoint.X, secondControlPoint.Y,
vpoint_x, vpoint_y);
}
break;
case 2:
{
OnCurve4(secondControlPoint.X, secondControlPoint.Y,
thirdControlPoint.X, thirdControlPoint.Y,
vpoint_x, vpoint_y);
}
break;
default:
{
throw new NotSupportedException();
}
}
controlPointCount = 0;
justFromCurveMode = false;
}
else
{
if (isFirstPoint)
{
isFirstPoint = false;
OnMoveTo(lastMoveX = (vpoint_x), lastMoveY = (vpoint_y));
}
else
{
OnLineTo(vpoint_x, vpoint_y);
}
//if (has_dropout)
//{
// //printf("[%d] on,dropoutMode=%d: %d,y:%d \n", mm, dropoutMode, vpoint.x, vpoint.y);
//}
//else
//{
// //printf("[%d] on,x: %d,y:%d \n", mm, vpoint.x, vpoint.y);
//}
}
}
else
{
switch (controlPointCount)
{
case 0:
{
secondControlPoint = new FtPoint(vpoint_x, vpoint_y);
}
break;
case 1:
{
//we already have prev second control point
//so auto calculate line to
//between 2 point
FtPoint mid = GetMidPoint(secondControlPoint, vpoint_x, vpoint_y);
//----------
//generate curve3
OnCurve3(secondControlPoint.X, secondControlPoint.Y,
mid.X, mid.Y);
//------------------------
controlPointCount--;
//------------------------
//printf("[%d] bzc2nd, x: %d,y:%d \n", mm, vpoint.x, vpoint.y);
secondControlPoint = new FtPoint(vpoint_x, vpoint_y);
}
break;
default:
{
throw new NotSupportedException();
}
break;
}
controlPointCount++;
justFromCurveMode = true;
}
}
//--------
//close figure
//if in curve mode
if (justFromCurveMode)
{
switch (controlPointCount)
{
case 0: break;
case 1:
{
OnCurve3(secondControlPoint.X, secondControlPoint.Y,
lastMoveX, lastMoveY);
}
break;
case 2:
{
OnCurve4(secondControlPoint.X, secondControlPoint.Y,
thirdControlPoint.X, thirdControlPoint.Y,
lastMoveX, lastMoveY);
}
break;
default:
{ throw new NotSupportedException(); }
}
justFromCurveMode = false;
controlPointCount = 0;
}
OnCloseFigure();
//--------
startContour++;
todoContourCount--;
}
OnEndRead();
}
static FtPoint GetMidPoint(FtPoint v1, short v2x, short v2y)
{
return new FtPoint(
(short)((v1.X + v2x) >> 1),
(short)((v1.Y + v2y) >> 1));
}
