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Current File : //usr/share/emscripten/tests/poppler/utils/HtmlFonts.cc
//========================================================================
//
// This file comes from pdftohtml project
// http://pdftohtml.sourceforge.net
//
// Copyright from:
// Gueorgui Ovtcharov
// Rainer Dorsch <http://www.ra.informatik.uni-stuttgart.de/~rainer/>
// Mikhail Kruk <meshko@cs.brandeis.edu>
//
//========================================================================
//========================================================================
//
// Modified under the Poppler project - http://poppler.freedesktop.org
//
// All changes made under the Poppler project to this file are licensed
// under GPL version 2 or later
//
// Copyright (C) 2007, 2010 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2008 Boris Toloknov <tlknv@yandex.ru>
// Copyright (C) 2008 Tomas Are Haavet <tomasare@gmail.com>
// Copyright (C) 2010 OSSD CDAC Mumbai by Leena Chourey (leenac@cdacmumbai.in) and Onkar Potdar (onkar@cdacmumbai.in)
//
// To see a description of the changes please see the Changelog file that
// came with your tarball or type make ChangeLog if you are building from git
//
//========================================================================
#include "HtmlFonts.h"
#include "GlobalParams.h"
#include "UnicodeMap.h"
#include <stdio.h>
struct Fonts{
char *Fontname;
char *name;
};
const int font_num=13;
static Fonts fonts[font_num+1]={
{"Courier", "Courier" },
{"Courier-Bold", "Courier"},
{"Courier-BoldOblique", "Courier"},
{"Courier-Oblique", "Courier"},
{"Helvetica", "Helvetica"},
{"Helvetica-Bold", "Helvetica"},
{"Helvetica-BoldOblique", "Helvetica"},
{"Helvetica-Oblique", "Helvetica"},
{"Symbol", "Symbol" },
{"Times-Bold", "Times" },
{"Times-BoldItalic", "Times" },
{"Times-Italic", "Times" },
{"Times-Roman", "Times" },
{" " , "Times" },
};
#define xoutRound(x) ((int)(x + 0.5))
extern GBool xml;
GooString* HtmlFont::DefaultFont=new GooString("Times"); // Arial,Helvetica,sans-serif
HtmlFontColor::HtmlFontColor(GfxRGB rgb){
r=static_cast<int>(rgb.r/65535.0*255.0);
g=static_cast<int>(rgb.g/65535.0*255.0);
b=static_cast<int>(rgb.b/65535.0*255.0);
if (!(Ok(r)&&Ok(b)&&Ok(g))) {
if (!globalParams->getErrQuiet()) fprintf(stderr, "Error : Bad color (%d,%d,%d) reset to (0,0,0)\n", r, g, b);
r=0;g=0;b=0;
}
}
GooString *HtmlFontColor::convtoX(unsigned int xcol) const{
GooString *xret=new GooString();
char tmp;
unsigned int k;
k = (xcol/16);
if ((k>=0)&&(k<10)) tmp=(char) ('0'+k); else tmp=(char)('a'+k-10);
xret->append(tmp);
k = (xcol%16);
if ((k>=0)&&(k<10)) tmp=(char) ('0'+k); else tmp=(char)('a'+k-10);
xret->append(tmp);
return xret;
}
GooString *HtmlFontColor::toString() const{
GooString *tmp=new GooString("#");
GooString *tmpr=convtoX(r);
GooString *tmpg=convtoX(g);
GooString *tmpb=convtoX(b);
tmp->append(tmpr);
tmp->append(tmpg);
tmp->append(tmpb);
delete tmpr;
delete tmpg;
delete tmpb;
return tmp;
}
HtmlFont::HtmlFont(GooString* ftname,int _size, GfxRGB rgb){
//if (col) color=HtmlFontColor(col);
//else color=HtmlFontColor();
color=HtmlFontColor(rgb);
GooString *fontname = NULL;
if( ftname ){
fontname = new GooString(ftname);
FontName=new GooString(ftname);
}
else {
fontname = NULL;
FontName = NULL;
}
lineSize = -1;
size=(_size-1);
italic = gFalse;
bold = gFalse;
if (fontname){
if (strstr(fontname->lowerCase()->getCString(),"bold")) bold=gTrue;
if (strstr(fontname->lowerCase()->getCString(),"italic")||
strstr(fontname->lowerCase()->getCString(),"oblique")) italic=gTrue;
int i=0;
while (strcmp(ftname->getCString(),fonts[i].Fontname)&&(i<font_num))
{
i++;
}
pos=i;
delete fontname;
} else
pos = font_num;
if (!DefaultFont) DefaultFont=new GooString(fonts[font_num].name);
}
HtmlFont::HtmlFont(const HtmlFont& x){
size=x.size;
lineSize=x.lineSize;
italic=x.italic;
bold=x.bold;
pos=x.pos;
color=x.color;
if (x.FontName) FontName=new GooString(x.FontName);
}
HtmlFont::~HtmlFont(){
if (FontName) delete FontName;
}
HtmlFont& HtmlFont::operator=(const HtmlFont& x){
if (this==&x) return *this;
size=x.size;
lineSize=x.lineSize;
italic=x.italic;
bold=x.bold;
pos=x.pos;
color=x.color;
if (FontName) delete FontName;
if (x.FontName) FontName=new GooString(x.FontName);
return *this;
}
void HtmlFont::clear(){
if(DefaultFont) delete DefaultFont;
DefaultFont = NULL;
}
/*
This function is used to compare font uniquily for insertion into
the list of all encountered fonts
*/
GBool HtmlFont::isEqual(const HtmlFont& x) const{
return ((size==x.size) &&
(lineSize==x.lineSize) &&
(pos==x.pos) && (bold==x.bold) && (italic==x.italic) &&
(color.isEqual(x.getColor())));
}
/*
This one is used to decide whether two pieces of text can be joined together
and therefore we don't care about bold/italics properties
*/
GBool HtmlFont::isEqualIgnoreBold(const HtmlFont& x) const{
return ((size==x.size) &&
(!strcmp(fonts[pos].name, fonts[x.pos].name)) &&
(color.isEqual(x.getColor())));
}
GooString* HtmlFont::getFontName(){
if (pos!=font_num) return new GooString(fonts[pos].name);
else return new GooString(DefaultFont);
}
GooString* HtmlFont::getFullName(){
if (FontName)
return new GooString(FontName);
else return new GooString(DefaultFont);
}
void HtmlFont::setDefaultFont(GooString* defaultFont){
if (DefaultFont) delete DefaultFont;
DefaultFont=new GooString(defaultFont);
}
GooString* HtmlFont::getDefaultFont(){
return DefaultFont;
}
// this method if plain wrong todo
GooString* HtmlFont::HtmlFilter(Unicode* u, int uLen) {
GooString *tmp = new GooString();
UnicodeMap *uMap;
char buf[8];
int n;
// get the output encoding
if (!(uMap = globalParams->getTextEncoding())) {
return tmp;
}
for (int i = 0; i < uLen; ++i) {
switch (u[i])
{
case '"': tmp->append("""); break;
case '&': tmp->append("&"); break;
case '<': tmp->append("<"); break;
case '>': tmp->append(">"); break;
case ' ': tmp->append( !xml && ( i+1 >= uLen || !tmp->getLength() || tmp->getChar( tmp->getLength()-1 ) == ' ' ) ? " " : " " );
break;
default:
{
// convert unicode to string
if ((n = uMap->mapUnicode(u[i], buf, sizeof(buf))) > 0) {
tmp->append(buf, n);
}
}
}
}
uMap->decRefCnt();
return tmp;
}
GooString* HtmlFont::simple(HtmlFont* font, Unicode* content, int uLen){
GooString *cont=HtmlFilter (content, uLen);
/*if (font.isBold()) {
cont->insert(0,"<b>",3);
cont->append("</b>",4);
}
if (font.isItalic()) {
cont->insert(0,"<i>",3);
cont->append("</i>",4);
} */
return cont;
}
HtmlFontAccu::HtmlFontAccu(){
accu=new std::vector<HtmlFont>();
}
HtmlFontAccu::~HtmlFontAccu(){
if (accu) delete accu;
}
int HtmlFontAccu::AddFont(const HtmlFont& font){
std::vector<HtmlFont>::iterator i;
for (i=accu->begin();i!=accu->end();i++)
{
if (font.isEqual(*i))
{
return (int)(i-(accu->begin()));
}
}
accu->push_back(font);
return (accu->size()-1);
}
// get CSS font name for font #i
GooString* HtmlFontAccu::getCSStyle(int i, GooString* content, int j){
GooString *tmp;
GooString *iStr=GooString::fromInt(i);
GooString *jStr=GooString::fromInt(j);
if (!xml) {
tmp = new GooString("<span class=\"ft");
tmp->append(jStr);
tmp->append(iStr);
tmp->append("\">");
tmp->append(content);
tmp->append("</span>");
} else {
tmp = new GooString("");
tmp->append(content);
}
delete jStr;
delete iStr;
return tmp;
}
// get CSS font definition for font #i
GooString* HtmlFontAccu::CSStyle(int i, int j){
GooString *tmp=new GooString();
GooString *iStr=GooString::fromInt(i);
GooString *jStr=GooString::fromInt(j);
std::vector<HtmlFont>::iterator g=accu->begin();
g+=i;
HtmlFont font=*g;
GooString *Size=GooString::fromInt(font.getSize());
GooString *colorStr=font.getColor().toString();
GooString *fontName=font.getFontName();
GooString *lSize;
if(!xml){
tmp->append(".ft");
tmp->append(jStr);
tmp->append(iStr);
tmp->append("{font-size:");
tmp->append(Size);
if( font.getLineSize() != -1 )
{
lSize = GooString::fromInt(font.getLineSize());
tmp->append("px;line-height:");
tmp->append(lSize);
delete lSize;
}
tmp->append("px;font-family:");
tmp->append(fontName); //font.getFontName());
tmp->append(";color:");
tmp->append(colorStr);
tmp->append(";}");
}
if (xml) {
tmp->append("<fontspec id=\"");
tmp->append(iStr);
tmp->append("\" size=\"");
tmp->append(Size);
tmp->append("\" family=\"");
tmp->append(fontName); //font.getFontName());
tmp->append("\" color=\"");
tmp->append(colorStr);
tmp->append("\"/>");
}
delete fontName;
delete colorStr;
delete jStr;
delete iStr;
delete Size;
return tmp;
}
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