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// DasherNode.cpp
//
/////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2001-2002 David Ward
//
/////////////////////////////////////////////////////////////////////////////
#include "DasherNode.h"
using namespace Dasher;
using namespace Opts;
using namespace std;
/////////////////////////////////////////////////////////////////////////////
void CDasherNode::Dump_node () const
{
/* TODO sort out
dchar out[256];
if (m_Symbol)
wsprintf(out,TEXT("%7x %3c %7x %5d %7x %5d %8x %8x \n"),this,m_Symbol,m_iGroup,m_context,m_Children,m_Cscheme,m_iLbnd,m_iHbnd);
else
wsprintf(out,TEXT("%7x %7x %5d %7x %5d %8x %8x \n"),this,m_iGroup,m_context,m_Children,m_Cscheme,m_iLbnd,m_iHbnd);
OutputDebugString(out);
if (m_Children) {
unsigned int i;
for (i=1;i<m_iChars;i++)
m_Children[i]->Dump_node();
}
*/
}
void CDasherNode::Generic_Push_Node(CLanguageModel::CNodeContext *context) {
m_iAge=0;
m_bAlive=true;
if (m_Symbol && !m_iChars) // make sure it's a valid symbol and don't enter if already done
m_languagemodel->EnterNodeSymbol(m_context,m_Symbol);
vector<symbol> newchars; // place to put this list of characters
vector<unsigned int> cum,groups; // for the probability list
m_languagemodel->GetNodeProbs(m_context,newchars,groups,cum,0.003);
m_iChars=newchars.size();
// work out cumulative probs
unsigned int i;
for (i=1;i<m_iChars;i++)
cum[i]+=cum[i-1];
m_Children =new CDasherNode *[m_iChars];
// create the children
ColorSchemes NormalScheme, SpecialScheme;
if ((m_ColorScheme==Nodes1) || (m_ColorScheme==Special1)) {
NormalScheme = Nodes2;
SpecialScheme = Special2;
} else {
NormalScheme = Nodes1;
SpecialScheme = Special1;
}
ColorSchemes ChildScheme;
for (i=1;i<m_iChars;i++) {
if (newchars[i]==this->m_languagemodel->GetSpaceSymbol())
ChildScheme = SpecialScheme;
else
ChildScheme = NormalScheme;
m_Children[i]=new CDasherNode(this,newchars[i],groups[i],i,ChildScheme,cum[i-1],cum[i],m_languagemodel,m_languagemodel->GetColour(i));
}
}
/////////////////////////////////////////////////////////////////////////////
void CDasherNode::Push_Node(CLanguageModel::CNodeContext *context)
// push a node copying the specified context
{
if (m_Children) {
// if there are children just give them a poke
unsigned int i;
for (i=1;i<m_iChars;i++) {
m_Children[i]->m_iAge=0;
m_Children[i]->m_bAlive=1;
}
return;
}
// if we haven't got a context then try to get a new one
m_context=m_languagemodel->CloneNodeContext(context);
// if it fails, be patient
if (!m_context)
return;
Generic_Push_Node(m_context);
}
/////////////////////////////////////////////////////////////////////////////
void CDasherNode::Push_Node()
{
if (m_Children) {
// if there are children just give them a poke
unsigned int i;
for (i=1;i<m_iChars;i++) {
m_Children[i]->m_iAge=0;
m_Children[i]->m_bAlive=1;
}
return;
}
// if we haven't got a context then try to get a new one
if (m_parent)
m_context=m_languagemodel->CloneNodeContext(m_parent->m_context);
else
m_context=m_languagemodel->GetRootNodeContext();
// if it fails, be patient
if (!m_context)
return;
Generic_Push_Node(m_context);
}
/////////////////////////////////////////////////////////////////////////////
void CDasherNode::Get_string_under(const int iNormalization,const myint miY1,const myint miY2,const myint miMousex,const myint miMousey, vector<symbol> &vString) const
{
// we are over (*this) node so add it to the string
vString.push_back(m_Symbol);
// look for children who might also be under the coords
if (m_Children) {
myint miRange=miY2-miY1;
unsigned int i;
for (i=1;i<m_iChars;i++) {
myint miNewy1=miY1+(miRange*m_Children[i]->m_iLbnd)/iNormalization;
myint miNewy2=miY1+(miRange*m_Children[i]->m_iHbnd)/iNormalization;
if (miMousey<miNewy2 && miMousey>miNewy1 && miMousex<miNewy2-miNewy1) {
m_Children[i]->Get_string_under(iNormalization,miNewy1,miNewy2,miMousex,miMousey,vString);
return;
}
}
}
return;
}
/////////////////////////////////////////////////////////////////////////////
CDasherNode * const CDasherNode::Get_node_under(int iNormalization,myint miY1,myint miY2,myint miMousex,myint miMousey)
{
if (m_Children) {
myint miRange=miY2-miY1;
m_iAge=0;
m_bAlive=true;
unsigned int i;
for (i=1;i<m_iChars;i++) {
myint miNewy1=miY1+(miRange*m_Children[i]->m_iLbnd)/iNormalization;
myint miNewy2=miY1+(miRange*m_Children[i]->m_iHbnd)/iNormalization;
if (miMousey<miNewy2 && miMousey>miNewy1 && miMousex<miNewy2-miNewy1)
return m_Children[i]->Get_node_under(iNormalization,miNewy1,miNewy2,miMousex,miMousey);
}
}
return this;
}
/////////////////////////////////////////////////////////////////////////////
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