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tdegraphics/kviewshell/plugins/djvu/libdjvu/GMapAreas.cpp

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//C- -*- C++ -*-
//C- -------------------------------------------------------------------
//C- DjVuLibre-3.5
//C- Copyright (c) 2002 Leon Bottou and Yann Le Cun.
//C- Copyright (c) 2001 AT&T
//C-
//C- This software is subject to, and may be distributed under, the
//C- GNU General Public License, Version 2. The license should have
//C- accompanied the software or you may obtain a copy of the license
//C- from the Free Software Foundation at http://www.fsf.org .
//C-
//C- This program is distributed in the hope that it will be useful,
//C- but WITHOUT ANY WARRANTY; without even the implied warranty of
//C- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
//C- GNU General Public License for more details.
//C-
//C- DjVuLibre-3.5 is derived from the DjVu(r) Reference Library
//C- distributed by Lizardtech Software. On July 19th 2002, Lizardtech
//C- Software authorized us to replace the original DjVu(r) Reference
//C- Library notice by the following text (see doc/lizard2002.djvu):
//C-
//C- ------------------------------------------------------------------
//C- | DjVu (r) Reference Library (v. 3.5)
//C- | Copyright (c) 1999-2001 LizardTech, Inc. All Rights Reserved.
//C- | The DjVu Reference Library is protected by U.S. Pat. No.
//C- | 6,058,214 and patents pending.
//C- |
//C- | This software is subject to, and may be distributed under, the
//C- | GNU General Public License, Version 2. The license should have
//C- | accompanied the software or you may obtain a copy of the license
//C- | from the Free Software Foundation at http://www.fsf.org .
//C- |
//C- | The computer code originally released by LizardTech under this
//C- | license and unmodified by other parties is deemed "the LIZARDTECH
//C- | ORIGINAL CODE." Subject to any third party intellectual property
//C- | claims, LizardTech grants recipient a worldwide, royalty-free,
//C- | non-exclusive license to make, use, sell, or otherwise dispose of
//C- | the LIZARDTECH ORIGINAL CODE or of programs derived from the
//C- | LIZARDTECH ORIGINAL CODE in compliance with the terms of the GNU
//C- | General Public License. This grant only confers the right to
//C- | infringe patent claims underlying the LIZARDTECH ORIGINAL CODE to
//C- | the extent such infringement is reasonably necessary to enable
//C- | recipient to make, have made, practice, sell, or otherwise dispose
//C- | of the LIZARDTECH ORIGINAL CODE (or portions thereof) and not to
//C- | any greater extent that may be necessary to utilize further
//C- | modifications or combinations.
//C- |
//C- | The LIZARDTECH ORIGINAL CODE is provided "AS IS" WITHOUT WARRANTY
//C- | OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
//C- | TO ANY WARRANTY OF NON-INFRINGEMENT, OR ANY IMPLIED WARRANTY OF
//C- | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
//C- +------------------------------------------------------------------
//
// $Id: GMapAreas.cpp,v 1.9 2004/05/05 15:12:42 leonb Exp $
// $Name: release_3_5_15 $
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#if NEED_GNUG_PRAGMAS
# pragma implementation
#endif
#include "GMapAreas.h"
#include "GException.h"
#include "debug.h"
#include <math.h>
#include <stdio.h>
#ifdef HAVE_NAMESPACES
namespace DJVU {
# ifdef NOT_DEFINED // Just to fool emacs c++ mode
}
#endif
#endif
/****************************************************************************
***************************** GMapArea definition ***************************
****************************************************************************/
const char GMapArea::MAPAREA_TAG[] = "maparea";
const char GMapArea::RECT_TAG[] = "rect";
const char GMapArea::POLY_TAG[] = "poly";
const char GMapArea::OVAL_TAG[] = "oval";
const char GMapArea::NO_BORDER_TAG[] = "none";
const char GMapArea::XOR_BORDER_TAG[] = "xor";
const char GMapArea::SOLID_BORDER_TAG[] = "border";
const char GMapArea::SHADOW_IN_BORDER_TAG[] = "shadow_in";
const char GMapArea::SHADOW_OUT_BORDER_TAG[] = "shadow_out";
const char GMapArea::SHADOW_EIN_BORDER_TAG[] = "shadow_ein";
const char GMapArea::SHADOW_EOUT_BORDER_TAG[] = "shadow_eout";
const char GMapArea::BORDER_AVIS_TAG[] = "border_avis";
const char GMapArea::HILITE_TAG[] = "hilite";
const char GMapArea::URL_TAG[] = "url";
const char GMapArea::TARGET_SELF[] = "_self";
static const char zero_width[] = ERR_MSG("GMapAreas.zero_width");
static const char zero_height[] = ERR_MSG("GMapAreas.zero_height");
static const char width_1[] = ERR_MSG("GMapAreas.width_1");
static const char width_3_32 [] = ERR_MSG("GMapAreas.width_3-32");
static const char error_poly_border [] = ERR_MSG("GMapAreas.poly_border");
static const char error_poly_hilite [] = ERR_MSG("GMapAreas.poly_hilite");
static const char error_oval_border [] = ERR_MSG("GMapAreas.oval_border");
static const char error_oval_hilite [] = ERR_MSG("GMapAreas.oval_hilite");
static const char error_too_few_points [] = ERR_MSG("GMapAreas.too_few_points");
static const char error_intersect [] = ERR_MSG("GMapAreas.intersect");
GMapArea::~GMapArea() {}
GMapRect::~GMapRect() {}
GMapPoly::~GMapPoly() {}
GMapOval::~GMapOval() {}
void
GMapArea::initialize_bounds(void)
{
xmin=gma_get_xmin();
xmax=gma_get_xmax();
ymin=gma_get_ymin();
ymax=gma_get_ymax();
bounds_initialized=true;
}
int
GMapArea::get_xmin(void) const
{
if (!bounds_initialized)
const_cast<GMapArea *>(this)->initialize_bounds();
return xmin;
}
int
GMapArea::get_ymin(void) const
{
if (!bounds_initialized)
const_cast<GMapArea *>(this)->initialize_bounds();
return ymin;
}
int
GMapArea::get_xmax(void) const
{
if (!bounds_initialized)
const_cast<GMapArea *>(this)->initialize_bounds();
return xmax;
}
int
GMapArea::get_ymax(void) const
{
if (!bounds_initialized)
const_cast<GMapArea *>(this)->initialize_bounds();
return ymax;
}
GRect
GMapArea::get_bound_rect(void) const
{
return GRect(get_xmin(), get_ymin(), get_xmax()-get_xmin(),
get_ymax()-get_ymin());
}
void
GMapArea::move(int dx, int dy)
{
if (dx || dy)
{
if (bounds_initialized)
{
xmin+=dx;
ymin+=dy;
xmax+=dx;
ymax+=dy;
}
gma_move(dx, dy);
}
}
void
GMapArea::resize(int new_width, int new_height)
{
if (get_xmax()-get_xmin()!=new_width ||
get_ymax()-get_ymin()!=new_height)
{
gma_resize(new_width, new_height);
bounds_initialized=false;
}
}
void
GMapArea::transform(const GRect & grect)
{
if (grect.xmin!=get_xmin() || grect.ymin!=get_ymin() ||
grect.xmax!=get_xmax() || grect.ymax!=get_ymax())
{
gma_transform(grect);
bounds_initialized=false;
}
}
char const * const
GMapArea::check_object(void)
{
char const *retval;
if (get_xmax()==get_xmin())
{
retval=zero_width;
}
else if (get_ymax()==get_ymin())
{
retval=zero_height;
}
else if ((border_type==XOR_BORDER ||
border_type==SOLID_BORDER) && border_width!=1)
{
retval=width_1;
}
else if ((border_type==SHADOW_IN_BORDER ||
border_type==SHADOW_OUT_BORDER ||
border_type==SHADOW_EIN_BORDER ||
border_type==SHADOW_EOUT_BORDER)&&
(border_width<3 || border_width>32))
{
retval=width_3_32;
}else
{
retval=gma_check_object();
}
return retval;
}
bool
GMapArea::is_point_inside(int x, int y) const
{
if (!bounds_initialized)
const_cast<GMapArea *>(this)->initialize_bounds();
return (x>=xmin && x<xmax && y>=ymin && y<ymax) ?
gma_is_point_inside(x, y) : false;
}
GUTF8String
GMapArea::print(void)
{
// Make this hard check to make sure, that *no* illegal GMapArea
// can be stored into a file.
const char * const errors=check_object();
if (errors[0])
{
G_THROW(errors);
}
int i;
GUTF8String tmp;
GUTF8String url1, target1, comment1;
const GUTF8String url_str=url;
for(i=0;i<(int) url_str.length();i++)
{
char ch=url_str[i];
if (ch=='"')
url1+='\\';
url1+=ch;
}
for(i=0;i<(int) target.length();i++)
{
char ch=target[i];
if (ch=='"')
target1+='\\';
target1+=ch;
}
for(i=0;i<(int) comment.length();i++)
{
char ch=comment[i];
if (ch=='"')
comment1+='\\';
comment1+=ch;
}
GUTF8String border_color_str;
border_color_str.format("#%02X%02X%02X",
(border_color & 0xff0000) >> 16,
(border_color & 0xff00) >> 8,
(border_color & 0xff));
static const GUTF8String left('(');
static const GUTF8String right(')');
static const GUTF8String space(' ');
static const GUTF8String quote('"');
GUTF8String border_type_str;
switch(border_type)
{
case NO_BORDER:
border_type_str=left+NO_BORDER_TAG+right;
break;
case XOR_BORDER:
border_type_str=left+XOR_BORDER_TAG+right;
break;
case SOLID_BORDER:
border_type_str=left+SOLID_BORDER_TAG+space+border_color_str+right;
break;
case SHADOW_IN_BORDER:
border_type_str=left+SHADOW_IN_BORDER_TAG+space+GUTF8String(border_width)+right;
break;
case SHADOW_OUT_BORDER:
border_type_str=left+SHADOW_OUT_BORDER_TAG+space+GUTF8String(border_width)+right;
break;
case SHADOW_EIN_BORDER:
border_type_str=left+SHADOW_EIN_BORDER_TAG+space+GUTF8String(border_width)+right;
break;
case SHADOW_EOUT_BORDER:
border_type_str=left+SHADOW_EOUT_BORDER_TAG+space+GUTF8String(border_width)+right;
break;
default:
border_type_str=left+XOR_BORDER_TAG+right;
break;
}
GUTF8String hilite_str;
if (hilite_color!=0xffffffff)
{
hilite_str.format("(%s #%02X%02X%02X)",
HILITE_TAG, (hilite_color & 0xff0000) >> 16,
(hilite_color & 0xff00) >> 8,
(hilite_color & 0xff));
}
GUTF8String URL;
if (target1==TARGET_SELF)
{
URL=quote+url1+quote;
}else
{
URL=left+URL_TAG+space+quote+url1+quote+space+quote+target1+quote+right;
}
GUTF8String total=left+MAPAREA_TAG+space+URL+space+quote+comment1+quote+space+gma_print()+border_type_str;
if (border_always_visible)
total+=space+left+BORDER_AVIS_TAG+right;
if ( hilite_str.length() > 0 )
total+=space+hilite_str;
total+=right;
return total;
}
/*
void
GMapArea::map(GRectMapper &mapper)
{
get_bound_rect();
GRect rect = GRect(xmin, ymin, xmax, ymax);
mapper.map(rect);
xmin = rect.xmin;
ymin = rect.ymin;
xmax = rect.xmax;
ymax = rect.ymax;
clear_bounds();
}
void
GMapArea::unmap(GRectMapper &mapper)
{
get_bound_rect();
GRect rect = GRect(xmin, ymin, xmax, ymax);
mapper.unmap(rect);
xmin = rect.xmin;
ymin = rect.ymin;
xmax = rect.xmax;
ymax = rect.ymax;
clear_bounds();
}
*/
/// Virtual function generating a list of defining coordinates
/// (default are the opposite corners of the enclosing rectangle)
void GMapArea::get_coords( GList<int> & CoordList ) const
{
CoordList.append( get_xmin() );
CoordList.append( get_ymin() );
CoordList.append( get_xmax() );
CoordList.append( get_ymax() );
}
/****************************************************************************
**************************** GMapRect definition ****************************
****************************************************************************/
void
GMapRect::gma_resize(int new_width, int new_height)
{
xmax=xmin+new_width;
ymax=ymin+new_height;
}
void
GMapRect::gma_transform(const GRect & grect)
{
xmin=grect.xmin; ymin=grect.ymin;
xmax=grect.xmax; ymax=grect.ymax;
}
GUTF8String
GMapRect::gma_print(void)
{
GUTF8String buffer;
return buffer.format("(%s %d %d %d %d) ",
RECT_TAG, xmin, ymin, xmax-xmin, ymax-ymin);
}
void
GMapRect::map(GRectMapper &mapper)
{
get_bound_rect();
GRect rect;
rect.xmin = xmin;
rect.xmax = xmax;
rect.ymin = ymin;
rect.ymax = ymax;
mapper.map(rect);
xmin = rect.xmin;
ymin = rect.ymin;
xmax = rect.xmax;
ymax = rect.ymax;
clear_bounds();
}
void
GMapRect::unmap(GRectMapper &mapper)
{
get_bound_rect();
GRect rect;
rect.xmin = xmin;
rect.xmax = xmax;
rect.ymin = ymin;
rect.ymax = ymax;
mapper.unmap(rect);
xmin = rect.xmin;
ymin = rect.ymin;
xmax = rect.xmax;
ymax = rect.ymax;
clear_bounds();
}
/****************************************************************************
**************************** GMapPoly definition ****************************
****************************************************************************/
inline int
GMapPoly::sign(int x) { return x<0 ? -1 : x>0 ? 1 : 0; }
bool
GMapPoly::does_side_cross_rect(const GRect & grect, int side)
{
int x1=xx[side], x2=xx[(side+1)%points];
int y1=yy[side], y2=yy[(side+1)%points];
int xmin=x1<x2 ? x1 : x2;
int ymin=y1<y2 ? y1 : y2;
int xmax=x1+x2-xmin;
int ymax=y1+y2-ymin;
if (xmax<grect.xmin || xmin>grect.xmax ||
ymax<grect.ymin || ymin>grect.ymax) return false;
return
x1>=grect.xmin && x1<=grect.xmax && y1>=grect.ymin && y1<=grect.ymax ||
x2>=grect.xmin && x2<=grect.xmax && y2>=grect.ymin && y2<=grect.ymax ||
do_segments_intersect(grect.xmin, grect.ymin, grect.xmax, grect.ymax,
x1, y1, x2, y2) ||
do_segments_intersect(grect.xmax, grect.ymin, grect.xmin, grect.ymax,
x1, y1, x2, y2);
}
bool
GMapPoly::is_projection_on_segment(int x, int y, int x1, int y1, int x2, int y2)
{
int res1=(x-x1)*(x2-x1)+(y-y1)*(y2-y1);
int res2=(x-x2)*(x2-x1)+(y-y2)*(y2-y1);
return sign(res1)*sign(res2)<=0;
}
bool
GMapPoly::do_segments_intersect(int x11, int y11, int x12, int y12,
int x21, int y21, int x22, int y22)
{
int res11=(x11-x21)*(y22-y21)-(y11-y21)*(x22-x21);
int res12=(x12-x21)*(y22-y21)-(y12-y21)*(x22-x21);
int res21=(x21-x11)*(y12-y11)-(y21-y11)*(x12-x11);
int res22=(x22-x11)*(y12-y11)-(y22-y11)*(x12-x11);
if (!res11 && !res12)
{
// Segments are on the same line
return
is_projection_on_segment(x11, y11, x21, y21, x22, y22) ||
is_projection_on_segment(x12, y12, x21, y21, x22, y22) ||
is_projection_on_segment(x21, y21, x11, y11, x12, y12) ||
is_projection_on_segment(x22, y22, x11, y11, x12, y12);
}
int sign1=sign(res11)*sign(res12);
int sign2=sign(res21)*sign(res22);
return sign1<=0 && sign2<=0;
}
bool
GMapPoly::are_segments_parallel(int x11, int y11, int x12, int y12,
int x21, int y21, int x22, int y22)
{
return (x12-x11)*(y22-y21)-(y12-y11)*(x22-x21)==0;
}
char const * const
GMapPoly::check_data(void)
{
if (open && points<2 || !open && points<3)
return error_too_few_points;
for(int i=0;i<sides;i++)
{
for(int j=i+2;j<sides;j++)
{
if (i != (j+1)%points )
{
if (do_segments_intersect(xx[i], yy[i], xx[i+1], yy[i+1],
xx[j], yy[j], xx[(j+1)%points], yy[(j+1)%points]))
{
return error_intersect;
}
}
}
}
return "";
}
void
GMapPoly::optimize_data(void)
{
// Removing segments of length zero
int i;
for(i=0;i<sides;i++)
{
while(xx[i]==xx[(i+1)%points] && yy[i]==yy[(i+1)%points])
{
for(int k=(i+1)%points;k<points-1;k++)
{
xx[k]=xx[k+1]; yy[k]=yy[k+1];
}
points--; sides--;
if (!points) return;
}
}
// Concatenating consequitive parallel segments
for(i=0;i<sides;i++)
{
while((open && i+1<sides || !open) &&
are_segments_parallel(xx[i], yy[i],
xx[(i+1)%points], yy[(i+1)%points],
xx[(i+1)%points], yy[(i+1)%points],
xx[(i+2)%points], yy[(i+2)%points]))
{
for(int k=(i+1)%points;k<points-1;k++)
{
xx[k]=xx[k+1]; yy[k]=yy[k+1];
}
points--; sides--;
if (!points) return;
}
}
}
bool
GMapPoly::gma_is_point_inside(const int xin, const int yin) const
{
if (open)
return false;
int xfar=get_xmax()+(get_xmax()-get_xmin());
int intersections=0;
for(int i=0;i<points;i++)
{
int res1=yy[i]-yin;
if (!res1) continue;
int res2, isaved=i;
while(!(res2=yy[(i+1)%points]-yin)) i++;
if (isaved!=i)
{
// Some points fell exactly on the line
if ((xx[(isaved+1)%points]-xin)*
(xx[i%points]-xin)<=0)
{
// Test point is exactly on the boundary
return true;
}
}
if (res1<0 && res2>0 || res1>0 && res2<0)
{
int x1=xx[i%points], y1=yy[i%points];
int x2=xx[(i+1)%points], y2=yy[(i+1)%points];
int _res1=(xin-x1)*(y2-y1)-(yin-y1)*(x2-x1);
int _res2=(xfar-x1)*(y2-y1)-(yin-y1)*(x2-x1);
if (!_res1 || !_res2)
{
// The point is on this boundary
return true;
}
if (sign(_res1)*sign(_res2)<0) intersections++;
}
}
return (intersections % 2)!=0;
}
int
GMapPoly::gma_get_xmin(void) const
{
int x=xx[0];
for(int i=1;i<points;i++)
if (x>xx[i]) x=xx[i];
return x;
}
int
GMapPoly::gma_get_xmax(void) const
{
int x=xx[0];
for(int i=1;i<points;i++)
if (x<xx[i]) x=xx[i];
return x+1;
}
int
GMapPoly::gma_get_ymin(void) const
{
int y=yy[0];
for(int i=1;i<points;i++)
if (y>yy[i]) y=yy[i];
return y;
}
int
GMapPoly::gma_get_ymax(void) const
{
int y=yy[0];
for(int i=1;i<points;i++)
if (y<yy[i]) y=yy[i];
return y+1;
}
void
GMapPoly::gma_move(int dx, int dy)
{
for(int i=0;i<points;i++)
{
xx[i]+=dx; yy[i]+=dy;
}
}
void
GMapPoly::gma_resize(int new_width, int new_height)
{
int width=get_xmax()-get_xmin();
int height=get_ymax()-get_ymin();
int xmin=get_xmin(), ymin=get_ymin();
for(int i=0;i<points;i++)
{
xx[i]=xmin+(xx[i]-xmin)*new_width/width;
yy[i]=ymin+(yy[i]-ymin)*new_height/height;
}
}
void
GMapPoly::gma_transform(const GRect & grect)
{
int width=get_xmax()-get_xmin();
int height=get_ymax()-get_ymin();
int xmin=get_xmin(), ymin=get_ymin();
for(int i=0;i<points;i++)
{
xx[i]=grect.xmin+(xx[i]-xmin)*grect.width()/width;
yy[i]=grect.ymin+(yy[i]-ymin)*grect.height()/height;
}
}
char const * const
GMapPoly::gma_check_object(void) const
{
const char * str;
str=(border_type!=NO_BORDER &&
border_type!=SOLID_BORDER &&
border_type!=XOR_BORDER) ? error_poly_border:
((hilite_color!=0xffffffff) ? error_poly_hilite:"");
return str;
}
GMapPoly::GMapPoly(const int * _xx, const int * _yy, int _points, bool _open) :
open(_open), points(_points)
{
sides=points-(open!=0);
xx.resize(points-1); yy.resize(points-1);
for(int i=0;i<points;i++)
{
xx[i]=_xx[i]; yy[i]=_yy[i];
}
optimize_data();
char const * const res=check_data();
if (res[0])
G_THROW(res);
}
int
GMapPoly::add_vertex(int x, int y)
{
points++;
sides=points-(open!=0);
xx.resize(points-1); yy.resize(points-1);
xx[points-1] = x;
yy[points-1] = y;
return points;
}
void
GMapPoly::close_poly()
{
open = false;
sides=points;
}
GUTF8String
GMapPoly::gma_print(void)
{
static const GUTF8String space(' ');
GUTF8String res=GUTF8String('(')+POLY_TAG+space;
for(int i=0;i<points;i++)
{
GUTF8String buffer;
res+=buffer.format("%d %d ", xx[i], yy[i]);
}
res.setat(res.length()-1, ')');
res+=space;
return res;
}
/// Virtual function generating a list of defining coordinates
void GMapPoly::get_coords( GList<int> & CoordList ) const
{
for(int i = 0 ; i < points ; i++)
{
CoordList.append( xx[i] );
CoordList.append( yy[i] );
}
}
void
GMapPoly::map(GRectMapper &mapper)
{
get_bound_rect();
for(int i=0; i<points; i++)
{
mapper.map(xx[i], yy[i]);
}
clear_bounds();
}
void
GMapPoly::unmap(GRectMapper &mapper)
{
get_bound_rect();
for(int i=0; i<points; i++)
{
mapper.unmap(xx[i], yy[i]);
}
clear_bounds();
}
/****************************************************************************
**************************** GMapOval definition ****************************
****************************************************************************/
void
GMapOval::gma_resize(int new_width, int new_height)
{
xmax=xmin+new_width;
ymax=ymin+new_height;
initialize();
}
void
GMapOval::gma_transform(const GRect & grect)
{
xmin=grect.xmin; ymin=grect.ymin;
xmax=grect.xmax; ymax=grect.ymax;
initialize();
}
bool
GMapOval::gma_is_point_inside(const int x, const int y) const
{
return
sqrt((double)((x-xf1)*(x-xf1)+(y-yf1)*(y-yf1))) +
sqrt((double)((x-xf2)*(x-xf2)+(y-yf2)*(y-yf2))) <= 2*rmax;
}
char const * const
GMapOval::gma_check_object(void) const
{
return (border_type!=NO_BORDER &&
border_type!=SOLID_BORDER &&
border_type!=XOR_BORDER)?error_oval_border:
((hilite_color!=0xffffffff) ? error_oval_hilite:"");
}
void
GMapOval::initialize(void)
{
int xc=(xmax+xmin)/2;
int yc=(ymax+ymin)/2;
int f;
a=(xmax-xmin)/2;
b=(ymax-ymin)/2;
if (a>b)
{
rmin=b; rmax=a;
f=(int) sqrt((double)(rmax*rmax-rmin*rmin));
xf1=xc+f; xf2=xc-f; yf1=yf2=yc;
} else
{
rmin=a; rmax=b;
f=(int) sqrt((double)(rmax*rmax-rmin*rmin));
yf1=yc+f; yf2=yc-f; xf1=xf2=xc;
}
}
GMapOval::GMapOval(const GRect & rect) : xmin(rect.xmin), ymin(rect.ymin),
xmax(rect.xmax), ymax(rect.ymax)
{
initialize();
}
GUTF8String
GMapOval::gma_print(void)
{
GUTF8String buffer;
return buffer.format("(%s %d %d %d %d) ",
OVAL_TAG, xmin, ymin, xmax-xmin, ymax-ymin);
}
void
GMapOval::map(GRectMapper &mapper)
{
get_bound_rect();
GRect rect;
rect.xmin = xmin;
rect.xmax = xmax;
rect.ymin = ymin;
rect.ymax = ymax;
mapper.map(rect);
xmin = rect.xmin;
ymin = rect.ymin;
xmax = rect.xmax;
ymax = rect.ymax;
clear_bounds();
initialize();
}
void
GMapOval::unmap(GRectMapper &mapper)
{
get_bound_rect();
GRect rect;
rect.xmin = xmin;
rect.xmax = xmax;
rect.ymin = ymin;
rect.ymax = ymax;
mapper.unmap(rect);
xmin = rect.xmin;
ymin = rect.ymin;
xmax = rect.xmax;
ymax = rect.ymax;
clear_bounds();
initialize();
}
GMapArea::GMapArea(void) : target("_self"), border_type(NO_BORDER),
border_always_visible(false), border_color(0xff), border_width(1),
hilite_color(0xffffffff), bounds_initialized(0) {}
GMapRect::GMapRect(void) : xmin(0), ymin(0), xmax(0), ymax(0) {}
GMapRect::GMapRect(const GRect & rect) : xmin(rect.xmin), ymin(rect.ymin),
xmax(rect.xmax), ymax(rect.ymax) {}
GMapRect &
GMapRect::operator=(const GRect & rect)
{
xmin=rect.xmin;
xmax=rect.xmax;
ymin=rect.ymin;
ymax=rect.ymax;
return *this;
}
void
GMapRect::gma_move(int dx, int dy)
{
xmin+=dx;
xmax+=dx;
ymin+=dy;
ymax+=dy;
}
bool
GMapRect::gma_is_point_inside(const int x, const int y) const
{
return (x>=xmin)&&(x<xmax)&&(y>=ymin)&&(y<ymax);
}
GP<GMapArea>
GMapRect::get_copy(void) const { return new GMapRect(*this); }
GMapPoly::GMapPoly(void) : points(0), sides(0) {}
void
GMapPoly::move_vertex(int i, int x, int y)
{
xx[i]=x; yy[i]=y;
clear_bounds();
}
GP<GMapArea>
GMapPoly::get_copy(void) const { return new GMapPoly(*this); }
GMapOval::GMapOval(void) : xmin(0), ymin(0), xmax(0), ymax(0) {}
void
GMapOval::gma_move(int dx, int dy)
{
xmin+=dx; xmax+=dx; ymin+=dy; ymax+=dy;
xf1+=dx; yf1+=dy; xf2+=dx; yf2+=dy;
}
GP<GMapArea>
GMapOval::get_copy(void) const
{
return new GMapOval(*this);
}
static GUTF8String
GMapArea2xmltag(const GMapArea &area,const GUTF8String &coords)
{
GUTF8String retval("<AREA coords=\""
+coords+"\" tqshape=\""+area.get_tqshape_name()+"\" "
+"alt=\""+area.comment.toEscaped()+"\" ");
if(area.url.length())
{
retval+="href=\""+area.url+"\" ";
}else
{
retval+="nohref=\"nohref\" ";
}
if(area.target.length())
{
retval+="target=\""+area.target.toEscaped()+"\" ";
}
// highlight
if( area.hilite_color != GMapArea::NO_HILITE &&
area.hilite_color != GMapArea::XOR_HILITE )
{
retval+=GUTF8String().format( "highlight=\"#%06X\" ", area.hilite_color );
}
const char *b_type="none";
switch( area.border_type )
{
case GMapArea::NO_BORDER:
b_type = "none";
break;
case GMapArea::XOR_BORDER:
b_type = "xor";
break;
case GMapArea::SOLID_BORDER:
b_type = "solid";
break;
case GMapArea::SHADOW_IN_BORDER:
b_type = "shadowin";
break;
case GMapArea::SHADOW_OUT_BORDER:
b_type = "shadowout";
break;
case GMapArea::SHADOW_EIN_BORDER:
b_type = "etchedin";
break;
case GMapArea::SHADOW_EOUT_BORDER:
b_type = "etchedout";
break;
}
retval=retval+"bordertype=\""+b_type+"\" ";
if( area.border_type != GMapArea::NO_BORDER)
{
retval+="bordercolor=\""+GUTF8String().format("#%06X",area.border_color)
+"\" border=\""+GUTF8String(area.border_width)+"\" ";
}
if(area.border_always_visible )
retval=retval+"visible=\"visible\" ";
return retval+"/>\n";
}
GUTF8String
GMapRect::get_xmltag(const int height) const
{
return GMapArea2xmltag( *this, GUTF8String(get_xmin())
+","+GUTF8String(height-1-get_ymax())
+","+GUTF8String(get_xmax())
+","+GUTF8String(height-1-get_ymin()));
#if 0
GUTF8String retval;
return retval;
#endif
}
GUTF8String
GMapOval::get_xmltag(const int height) const
{
return GMapArea2xmltag( *this, GUTF8String(get_xmin())
+","+GUTF8String(height-1-get_ymax())
+","+GUTF8String(get_xmax())
+","+GUTF8String(height-1-get_ymin()));
#if 0
GUTF8String retval;
return retval;
#endif
}
GUTF8String
GMapPoly::get_xmltag(const int height) const
{
GList<int> CoordList;
get_coords(CoordList);
GPosition pos=CoordList;
GUTF8String retval;
if(pos)
{
GUTF8String coords(CoordList[pos]);
while(++pos)
{
coords+=","+GUTF8String(height-1-CoordList[pos]);
if(! ++pos)
break;
coords+=","+GUTF8String(CoordList[pos]);
}
retval=GMapArea2xmltag( *this, coords);
}
return retval;
}
#ifdef HAVE_NAMESPACES
}
# ifndef NOT_USING_DJVU_NAMESPACE
using namespace DJVU;
# endif
#endif
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