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/*
* Copyright (C) 2006 Koos Vriezen <[email protected]>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _KMPLAYER_TYPES_H_
#define _KMPLAYER_TYPES_H_
#include <stdint.h>
#include "kmplayer_def.h"
#include "triestring.h"
namespace KMPlayer {
/**
* Type meant for screen coordinates
*/
class KMPLAYER_NO_EXPORT Single {
int value;
friend Single operator + (const Single s1, const Single s2);
friend Single operator - (const Single s1, const Single s2);
friend Single operator * (const Single s1, const Single s2);
friend Single operator / (const Single s1, const Single s2);
friend Single operator + (const Single s1, const int i);
friend Single operator - (const Single s1, const int i);
friend float operator * (const Single s, const float f);
friend double operator * (const Single s, const double f);
friend Single operator * (const int i, const Single s);
friend float operator * (const float f, const Single s);
friend double operator * (const double d, const Single s);
friend Single operator / (const Single s, const int i);
friend float operator / (const Single s, const float f);
friend double operator / (const Single s, const double d);
friend double operator / (const double d, const Single s);
friend bool operator > (const Single s1, const Single s2);
friend bool operator > (const Single s, const int i);
friend bool operator > (const int i, const Single s);
friend bool operator >= (const Single s1, const Single s2);
friend bool operator == (const Single s1, const Single s2);
friend bool operator != (const Single s1, const Single s2);
friend bool operator < (const Single s1, const Single s2);
friend bool operator < (const Single s, const int i);
friend bool operator < (const int i, const Single s);
friend bool operator <= (const Single s1, const Single s2);
friend bool operator <= (const Single s, const int i);
#ifdef _KDEBUG_H_
friend kdbgstream & operator << (kdbgstream &, Single s);
friend kndbgstream & operator << (kndbgstream &, Single s);
#endif
friend Single operator - (const Single s);
public:
Single () : value (0) {}
Single (const int v) : value (v << 8) {}
Single (const float v) : value (int (256 * v)) {}
Single (const double v) : value (int (256 * v)) {}
Single & operator = (const Single s) { value = s.value; return *this; }
Single & operator = (const int v) { value = v << 8; return *this; }
Single & operator = (const float v) { value = int (256 * v); return *this; }
Single & operator = (const double v) { value = int(256 * v); return *this; }
Single & operator += (const Single s) { value += s.value; return *this; }
Single & operator += (const int i) { value += (i << 8); return *this; }
Single & operator -= (const Single s) { value -= s.value; return *this; }
Single & operator -= (const int i) { value -= (i << 8); return *this; }
Single & operator *= (const Single s);
Single & operator *= (const float f) { value = int(value*f); return *this; }
Single & operator /= (const int i) { value /= i; return *this; }
Single & operator /= (const float f);
operator int () const { return value >> 8; }
operator double () const { return 1.0 * value / 256; }
};
/** a b 0
* Matrix for coordinate transforms c d 0
* tx ty 1 */
class KMPLAYER_NO_EXPORT Matrix {
friend class SizeEvent;
float a, b, c, d;
Single tx, ty;
public:
Matrix ();
Matrix (const Matrix & matrix);
Matrix (Single xoff, Single yoff, float xscale, float yscale);
void getXY (Single & x, Single & y) const;
void getXYWH (Single & x, Single & y, Single & w, Single & h) const;
void invXYWH (Single & x, Single & y, Single & w, Single & h) const;
void transform (const Matrix & matrix);
void scale (float sx, float sy);
void translate (Single x, Single y);
// void rotate (float phi); // add this when needed
};
class KMPLAYER_NO_EXPORT SRect {
Single _x, _y, _w, _h;
#ifdef _KDEBUG_H_
friend kdbgstream & operator << (kdbgstream &, const SRect &s);
friend kndbgstream & operator << (kndbgstream &, const SRect &s);
#endif
public:
SRect () {}
SRect (Single a, Single b, Single w, Single h)
: _x (a), _y (b), _w (w), _h (h) {}
Single x () const { return _x; }
Single y () const { return _y; }
Single width () const { return _w; }
Single height () const { return _h; }
SRect unite (const SRect & r) const;
SRect intersect (const SRect & r) const;
bool isValid () const { return _w >= Single (0) && _h >= Single (0); }
bool operator == (const SRect & r) const;
bool operator != (const SRect & r) const;
};
class KMPLAYER_NO_EXPORT IRect {
public:
int x, y, w, h;
IRect ()
: x (0), y (0), w (0), h (0) {}
explicit IRect (const SRect r)
: x (r.x ()), y (r.y ()), w (r.width ()), h (r.height ()) {}
IRect (int a, int b, int c, int d)
: x (a), y (b), w (c), h (d) {}
IRect unite (const IRect & r) const;
IRect intersect (const IRect & r) const;
bool isValid () const { return w >= 0 && h >= 0; }
bool isEmpty () const { return w < 0 || h < 0; }
};
//-----------------------------------------------------------------------------
#ifdef _KDEBUG_H_
inline kdbgstream & operator << (kdbgstream & dbg, Single s) {
dbg << (double) (s);
return dbg;
}
inline kndbgstream & operator << (kndbgstream & dbg, Single) { return dbg; }
inline kdbgstream & operator << (kdbgstream & dbg, const SRect &r) {
dbg << "SRect(x=" << r._x << " y=" << r._y << " w=" << r._w << " h=" << r._h << ")";
return dbg;
}
inline kndbgstream & operator << (kndbgstream &d, const SRect&) { return d; }
inline kdbgstream & operator << (kdbgstream & dbg, const IRect &r) {
dbg << "IRect(x=" << r.x << " y=" << r.y << " w=" << r.w << " h=" << r.h << ")";
return dbg;
}
inline kndbgstream & operator << (kndbgstream &d, const IRect&) { return d; }
#endif
inline Single & Single::operator *= (const Single s) {
value = (((int64_t)value) * s.value) >> 8;
return *this;
}
inline Single & Single::operator /= (const float f) {
value = (int) (value / f);
return *this;
}
inline Single operator + (const Single s1, const Single s2) {
Single s;
s.value = s1.value + s2.value;
return s;
}
inline Single operator - (const Single s1, const Single s2) {
Single s;
s.value = s1.value - s2.value;
return s;
}
inline Single operator * (const Single s1, const Single s2) {
Single s;
s.value = (((int64_t)s1.value) * s2.value) >> 8;
return s;
}
inline Single operator / (const Single s1, const Single s2) {
Single s;
s.value = ((int64_t)s1.value << 8) / s2.value;
return s;
}
inline Single operator + (const Single s, const int i) {
return s + Single (i);
}
inline Single operator - (const Single s, const int i) {
return s - Single (i);
}
inline Single operator * (const int i, const Single s) {
Single s1;
s1.value = s.value * i;
return s1;
}
inline Single operator * (const Single s, const int i) {
return i * s;
}
inline float operator * (const Single s, const float f) {
return s.value * f / 256;
}
inline double operator * (const Single s, const double d) {
return s.value * d / 256;
}
inline float operator * (const float f, const Single s) {
return s.value * f / 256;
}
inline double operator * (const double d, const Single s) {
return s.value * d / 256;
}
inline Single operator / (const Single s, const int i) {
Single s1;
s1.value = s.value / i;
return s1;
}
inline float operator / (const Single s, const float f) {
return (s.value / f ) / 256;
}
inline double operator / (const Single s, const double d) {
return (s.value / d ) / 256;
}
inline double operator / (const double d, const Single s) {
return (d * 256 / s.value);
}
inline bool
operator > (const Single s1, const Single s2) { return s1.value > s2.value; }
inline bool
operator > (const Single s, const int i) { return s > Single (i); }
inline bool
operator > (const int i, const Single s) { return Single (i) > s; }
inline bool
operator >= (const Single s1, const Single s2) { return s1.value >= s2.value; }
inline bool
operator == (const Single s1, const Single s2) { return s1.value == s2.value; }
inline bool
operator != (const Single s1, const Single s2) { return s1.value != s2.value; }
inline bool
operator < (const Single s1, const Single s2) { return s1.value < s2.value; }
inline bool
operator < (const Single s, const int i) { return s < Single (i); }
inline bool
operator < (const int i, const Single s) { return Single (i) < s; }
inline bool
operator <= (const Single s1, const Single s2) { return s1.value <= s2.value; }
inline bool
operator <= (const Single s, const int i) { return s <= Single (i); }
inline Single operator - (const Single s) {
Single s1;
s1.value = -s.value;
return s1;
}
//-----------------------------------------------------------------------------
inline bool SRect::operator == (const SRect & r) const {
return _x == r._x && _y == r._y && _w == r._w && _h == r._h;
}
inline bool SRect::operator != (const SRect & r) const { return !(*this == r); }
} // KMPlayer namespace
#endif //_KMPLAYER_TYPES_H_
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