RectD ImagesEngine::Transform(RectD rect, int pageNo, float zoom, int rotation, bool inverse)
{
PointF pts[2] = {
PointF((REAL)rect.x, (REAL)rect.y),
PointF((REAL)(rect.x + rect.dx), (REAL)(rect.y + rect.dy))
};
Matrix m;
GetTransform(m, pageNo, zoom, rotation);
if (inverse)
m.Invert();
m.TransformPoints(pts, 2);
rect = RectD::FromXY(pts[0].X, pts[0].Y, pts[1].X, pts[1].Y);
// try to undo rounding errors caused by a rotation
// (necessary correction determined by experimentation)
if (rotation != 0)
rect.Inflate(-0.01, -0.01);
return rect;
}
virtual RectD PageContentBox(int pageNo, RenderTarget target=Target_View) {
RectD mbox = PageMediabox(pageNo);
mbox.Inflate(-pageBorder, -pageBorder);
return mbox;
}
