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/*
* (C) 2013-2014 see Authors.txt
*
* This file is part of MPC-HC.
*
* MPC-HC is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* MPC-HC is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include <atlcoll.h>
template<typename K, typename V, class KTraits = CElementTraits<K>, class VTraits = CElementTraits<V>>
class CRenderingCache : private CAtlMap<K, POSITION, KTraits>
{
private:
size_t m_maxSize;
struct CPositionValue {
POSITION pos;
V value;
};
CAtlList<CPositionValue> m_list;
public:
CRenderingCache(size_t maxSize) : m_maxSize(maxSize) {};
bool Lookup(KINARGTYPE key, _Out_ typename VTraits::OUTARGTYPE value) {
POSITION pos;
bool bFound = __super::Lookup(key, pos);
if (bFound) {
m_list.MoveToHead(pos);
value = m_list.GetHead().value;
}
return bFound;
};
POSITION SetAt(KINARGTYPE key, typename VTraits::INARGTYPE value) {
POSITION pos;
bool bFound = __super::Lookup(key, pos);
if (bFound) {
m_list.MoveToHead(pos);
CPositionValue& posVal = m_list.GetHead();
pos = posVal.pos;
posVal.value = value;
} else {
if (m_list.GetCount() >= m_maxSize) {
__super::RemoveAtPos(m_list.GetTail().pos);
m_list.RemoveTailNoReturn();
}
pos = __super::SetAt(key, m_list.AddHead());
CPositionValue& posVal = m_list.GetHead();
posVal.pos = pos;
posVal.value = value;
}
return pos;
};
void Clear() {
m_list.RemoveAll();
__super::RemoveAll();
}
};
template <class Key>
class CKeyTraits : public CElementTraits<Key>
{
public:
static ULONG Hash(_In_ const Key& element) {
return element.GetHash();
};
static bool CompareElements(_In_ const Key& element1, _In_ const Key& element2) {
return (element1 == element2);
};
};
class STSStyle;
class CTextDimsKey
{
private:
ULONG m_hash;
protected:
CString m_str;
CAutoPtr<STSStyle> m_style;
public:
CTextDimsKey(const CStringW& str, const STSStyle& style);
CTextDimsKey(const CTextDimsKey& textDimsKey);
ULONG GetHash() const { return m_hash; };
void UpdateHash();
bool operator==(const CTextDimsKey& textDimsKey) const;
};
class CPolygonPathKey
{
private:
ULONG m_hash;
protected:
CString m_str;
double m_scalex, m_scaley;
public:
CPolygonPathKey(const CStringW& str, double scalex, double scaley);
CPolygonPathKey(const CPolygonPathKey& polygonPathKey);
ULONG GetHash() const { return m_hash; };
void UpdateHash();
bool operator==(const CPolygonPathKey& polygonPathKey) const;
};
class CEllipseKey
{
private:
ULONG m_hash;
protected:
int m_rx, m_ry;
public:
CEllipseKey(int rx, int ry)
: m_hash(ULONG((rx << 16) | (ry & WORD_MAX)))
, m_rx(rx)
, m_ry(ry) {}
ULONG GetHash() const { return m_hash; };
bool operator==(const CEllipseKey& ellipseKey) const {
return (m_rx == ellipseKey.m_rx && m_ry == ellipseKey.m_ry);
}
};
class CWord;
class COutlineKey : public CTextDimsKey
{
private:
ULONG m_hash;
protected:
double m_scalex, m_scaley;
CPoint m_org;
public:
COutlineKey(const CWord* word, CPoint org);
COutlineKey(const COutlineKey& outLineKey);
ULONG GetHash() const { return m_hash; };
void UpdateHash();
bool operator==(const COutlineKey& outLineKey) const;
};
class COverlayKey : public COutlineKey
{
private:
CPoint m_subp;
ULONG m_hash;
public:
COverlayKey(const CWord* word, CPoint p, CPoint org);
COverlayKey(const COverlayKey& overlayKey);
ULONG GetHash() const { return m_hash; };
void UpdateHash();
bool operator==(const COverlayKey& overlayKey) const;
};
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