/*

* Help classes and Functions

*

* by WangLu

* 2012.08.10

*/

#ifndef UTIL_H__

#define UTIL_H__

#include <iostream>

#include <GfxState.h>

#include "util/const.h"

namespace pdf2htmlEX {

static inline long long hash_ref(const Ref * id)

{

return (((long long)(id->num)) << (sizeof(id->gen)*8)) | (id->gen);

}

/*

* In PDF, edges of the rectangle are in the middle of the borders

* In HTML, edges are completely outside the rectangle

*/

void css_fix_rectangle_border_width(double x1, double y1, double x2, double y2,

double border_width,

double & x, double & y, double & w, double & h,

double & border_top_bottom_width,

double & border_left_right_width);

std::ostream & operator << (std::ostream & out, const GfxRGB & rgb);

class GfxRGB_hash

{

public:

size_t operator () (const GfxRGB & rgb) const

{

return ( (((size_t)colToByte(rgb.r)) << 16)

| (((size_t)colToByte(rgb.g)) << 8)

| ((size_t)colToByte(rgb.b))

);

}

};

class GfxRGB_equal

{

public:

bool operator ()(const GfxRGB & rgb1, const GfxRGB & rgb2) const

{

return ((rgb1.r == rgb2.r) && (rgb1.g == rgb2.g) && (rgb1.b == rgb2.b));

}

};

class Matrix_less

{

public:

bool operator () (const Matrix & m1, const Matrix & m2) const

{

// Note that we only care about the first 4 elements

for(int i = 0; i < 4; ++i)

{

if(m1.m[i] < m2.m[i] - EPS)

return true;

if(m1.m[i] > m2.m[i] + EPS)

return false;

}

return false;

}

};

} // namespace pdf2htmlEX

#endif //UTIL_H__