public OoxTransform(OoxTransform outer, OoxTransform inner)
{
// Get the Bounding box of the most inner transformation
_x = inner.X;
_y = inner.Y;
_cx = inner.CX;
_cy = inner.CY;
// Now combine all transformations (5.7.4, "Render a simple shape inside a group hierarchy", steps 1, 2, 3)
_rot = Normalize(outer._rot + inner._rot);
_flipH = outer._flipH * inner._flipH;
_flipV = outer._flipV * inner._flipV;
_scaleX = outer._scaleX * inner._scaleX;
_scaleY = outer._scaleY * inner._scaleY;
TransformationMatrix m = outer._transform * inner._transform; // Note : the center should be invariant by inner._transform...
// Calculate the coordinates of the new Center (5.7.4, "Render a simple shape inside a group hierarchy", step 4)
PointCoordinates originalCenter = new PointCoordinates(_x + _cx / 2.0, _y + _cy / 2.0);
PointCoordinates newCenter = m.Transform(originalCenter);
// Now calculate the target "Bounding box"
double newCx = _cx * _scaleX;
double newCy = _cy * _scaleY;
double newX = newCenter.X - newCx / 2.0;
double newY = newCenter.Y - newCy / 2.0;
// And finally compute the transformation matrix...
CreateMatrix(_x, _y, _cx, _cy, newX, newY, newCx, newCy, _rot, _flipH, _flipV);
}
public static OoxTransform CreateLine(long xmlX, long xmlY, long xmlCx, long xmlCy, long xmlRot, long xmlFlipH, long xmlFlipV)
{
OoxTransform tmp = new OoxTransform(xmlX, xmlY, xmlCx, xmlCy, xmlRot, xmlFlipH, xmlFlipV);
double x1, y1;
tmp.Transform(tmp._x, tmp._y, out x1, out y1);
double x2, y2;
tmp.Transform(tmp._x + tmp._cx, tmp._y + tmp._cy, out x2, out y2);
long newX1 = (long)(x1 * 360000.0);
long newY1 = (long)(y1 * 360000.0);
long newX2 = ((long)(x2 * 360000.0));
long newY2 = ((long)(y2 * 360000.0));
long newFlipH = 1;
long newFlipV = 1;
if (newX1 > newX2)
{
long tmpX = newX2;
newX2 = newX1;
newX1 = tmpX;
newFlipH = -1;
}
if (newY1 > newY2)
{
long tmpY = newY2;
newY2 = newY1;
newY1 = tmpY;
newFlipV = -1;
}
return(new OoxTransform(newX1, newY1, newX2 - newX1, newY2 - newY1, 0, newFlipH, newFlipV));
}
