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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002 The ScummVM project
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#ifndef UTIL_H
#define UTIL_H
#include "scummsys.h"
int RGBMatch(byte *palette, int r, int g, int b);
int Blend(int src, int dst, byte *palette);
void ClearBlendCache(byte *palette, int weight);
namespace ScummVM {
template <class T>
class List {
protected:
int _capacity;
int _size;
T *_data;
public:
List<T>() : _capacity(0), _size(0), _data(0) {}
List<T>(const List<T>& list) : _capacity(0), _size(0), _data(0)
{
_size = list._size;
_capacity = _size + 32;
_data = new T[_capacity];
for (int i = 0; i < _size; i++)
_data[i] = list._data[i];
}
~List<T>()
{
if (_data)
delete [] _data;
}
void push_back(const T& str)
{
ensureCapacity(_size + 1);
_data[_size++] = str;
}
// TODO: insert, remove, ...
T& operator [](int idx)
{
assert(idx >= 0 && idx < _size);
return _data[idx];
}
const T& operator [](int idx) const
{
assert(idx >= 0 && idx < _size);
return _data[idx];
}
List<T>& operator =(const List<T>& list)
{
if (_data)
delete [] _data;
_size = list._size;
_capacity = _size + 32;
_data = new T[_capacity];
for (int i = 0; i < _size; i++)
_data[i] = list._data[i];
return *this;
}
int size() const { return _size; }
void clear()
{
if (_data) {
delete [] _data;
_data = 0;
}
_size = 0;
_capacity = 0;
}
protected:
void ensureCapacity(int new_len)
{
if (new_len <= _capacity)
return;
T *old_data = _data;
_capacity = new_len + 32;
_data = new T[_capacity];
if (old_data) {
// Copy old data
for (int i = 0; i < _size; i++)
_data[i] = old_data[i];
delete [] old_data;
}
}
};
class String {
protected:
int *_refCount;
int _capacity;
int _len;
char *_str;
public:
String() : _capacity(0), _len(0), _str(0) { _refCount = new int(1); }
String(const char *str);
String(const String &str);
~String();
String& operator =(const char* str);
String& operator =(const String& str);
String& operator +=(const char* str);
String& operator +=(const String& str);
String& operator +=(char c);
// operator char *() { return _str; }
operator const char *() const { return _str; }
const char *c_str() const { return _str; }
int size() const { return _len; }
void deleteLastChar();
void clear();
protected:
void ensureCapacity(int new_len, bool keep_old);
void decRefCount();
};
class StringList : public List<String> {
public:
void push_back(const char* str)
{
ensureCapacity(_size + 1);
_data[_size] = str;
_size++;
}
};
}; // End of namespace ScummVM
#endif
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