To get the rect of the selected text, you need to go one step back (i.e. where
OnPDFSelectEnd is called).
You can call the below method in
PDFLayoutView.
onTouchSelect as follows:
Code:
case MotionEvent.ACTION_CANCEL:
if(m_sel != null)
{
m_sel.SetSel( m_annot_pos.x, m_annot_pos.y,
m_annot_page.ToPDFX(event.getX(), m_layout.vGetX()),
m_annot_page.ToPDFY(event.getY(), m_layout.vGetY()) );
invalidate();
float[] rect = getSelectionRect(event.getX(), event.getY());
if(m_listener != null) m_listener.OnPDFSelectEnd(m_sel.GetSelString());
}
break;
getSelectionRect:
Code:
private float[] getSelectionRect(float lastX, float lastY) {
float pt[] = new float[2];
pt[0] = m_annot_pos.x;
pt[1] = m_annot_pos.y;
Page page = m_doc.GetPage(m_annot_pos.pageno);
page.ObjsStart();
int index1 = page.ObjsGetCharIndex(pt);
pt[0] = m_annot_page.ToPDFX(lastX, m_layout.vGetX());
pt[1] = m_annot_page.ToPDFY(lastY, m_layout.vGetY());
int index2 = page.ObjsGetCharIndex(pt);
if( index1 > index2 ) {
int tmp = index1;
index1 = index2;
index2 = tmp;
}
index1 = page.ObjsAlignWord(index1, -1);
index2 = page.ObjsAlignWord(index2, 1);
float[] rect = new float[4];
float[] selectRect = new float[4];
page.ObjsGetCharRect(index1, rect);
selectRect[0] = rect[0];
selectRect[1] = rect[1];
selectRect[2] = rect[2];
selectRect[3] = rect[3];
int tmp = index1 + 1;
while( tmp <= index2 ) {
page.ObjsGetCharRect(tmp, rect);
float gap = (rect[3] - rect[1])/2;
if( selectRect[1] == rect[1] && selectRect[3] == rect[3] &&
selectRect[2] + gap > rect[0] && selectRect[0] - gap < rect[2] ) {
if( selectRect[0] > rect[0] ) selectRect[0] = rect[0];
if( selectRect[2] < rect[2] ) selectRect[2] = rect[2];
}
else {
if( selectRect[0] > rect[0] ) selectRect[0] = rect[0];
selectRect[1] = rect[1];
if( selectRect[2] < rect[2] ) selectRect[2] = rect[2];
if( selectRect[3] < rect[3] ) selectRect[3] = rect[3];
}
tmp++;
}
return selectRect;
}
