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#include <syslog.h>
#include <fstream>
#include "font.h"
#include "skin.h"
#include "function.h"
#ifdef HAVE_FONTCONFIG
#include <fontconfig/fontconfig.h>
#endif
namespace GLCD
{
int cSkinFont::FcInitCount = 0;
cSkinFont::cSkinFont(cSkin * Parent)
: mSkin(Parent),
mCondition(NULL),
mDummyDisplay(mSkin),
mDummyObject(&mDummyDisplay)
{
}
cSkinFont::~cSkinFont(void) {
#ifdef HAVE_FONTCONFIG
cSkinFont::FcInitCount --;
if (cSkinFont::FcInitCount <= 0) {
FcFini();
}
#endif
}
bool cSkinFont::FileExists(const std::string& path)
{
std::ifstream f(path.c_str());
return (f.is_open());
}
bool cSkinFont::ParseUrl(const std::string & url)
{
bool isFontconfig = false;
std::string rawfont = "";
if (url.find("fnt:") == 0)
{
mType = ftFNT;
rawfont = url.substr(4);
mSize = 0;
}
else if (url.find("ft2:") == 0)
{
mType = ftFT2;
rawfont = url.substr(4);
std::string::size_type pos = rawfont.find(":");
if (pos == std::string::npos)
{
syslog(LOG_ERR, "cFontElement::Load(): No font size specified in %s\n", url.c_str());
return false;
}
std::string tmp = rawfont.substr(pos + 1);
mSize = atoi(tmp.c_str());
rawfont = rawfont.substr(0,pos);
}
#ifdef HAVE_FONTCONFIG
else if (url.find("fc:") == 0)
{
mType = ftFT2;
isFontconfig = true;
rawfont = url.substr(3);
std::string::size_type pos = rawfont.find(":size=");
if (pos == std::string::npos) {
syslog(LOG_ERR, "cFontElement::Load(): No font size specified in %s (e.g.: 'size=<fontsize>')\n", url.c_str());
return false;
}
std::string sizeterm = rawfont.substr(pos + 1);
pos = sizeterm.find(":"); // find terminating :
if (pos != std::string::npos) {
sizeterm = sizeterm.substr(0, pos);
}
pos = sizeterm.find("=");
if (pos == std::string::npos) {
syslog(LOG_ERR, "cFontElement::Load(): Invalid size term '%s' (must be 'size=<fontsize>')\n", url.c_str());
return false;
}
std::string tmp = sizeterm.substr(pos + 1);
mSize = atoi(tmp.c_str());
if (mSize <= 0) {
syslog(LOG_ERR, "cFontElement::Load(): Invalid font size in '%s'\n", url.c_str());
return false;
}
if (cSkinFont::FcInitCount <= 0) {
FcInit();
}
cSkinFont::FcInitCount ++;
FcPattern *pat = FcNameParse((FcChar8 *) rawfont.c_str() );
rawfont = "";
FcPatternAddBool(pat, FC_SCALABLE, FcTrue);
FcConfigSubstitute(NULL, pat, FcMatchPattern);
FcDefaultSubstitute(pat);
FcResult result;
FcFontSet *fontset = FcFontSort(NULL, pat, FcFalse, NULL, &result);
if (fontset) {
FcBool scalable;
for (int i = 0; i < fontset->nfont; i++) {
FcPatternGetBool(fontset->fonts[i], FC_SCALABLE, 0, &scalable);
if (scalable) {
FcChar8 *s = NULL;
FcPatternGetString(fontset->fonts[i], FC_FILE, 0, &s);
rawfont = (char *)s; // set font path
break;
}
}
FcFontSetDestroy(fontset);
}
FcPatternDestroy(pat);
if (rawfont == "") {
syslog(LOG_ERR, "cFontElement::Load(): No usable font found for '%s'\n", url.c_str());
return false;
}
}
#endif
else
{
syslog(LOG_ERR, "cSkinFont::ParseUrl(): Unknown font type in %s\n", url.c_str());
return false;
}
if (isFontconfig || (rawfont[0] == '/' || rawfont.find("./") == 0 || rawfont.find("../") == 0)) {
mFile = rawfont;
}
else
{
// first try skin's font dir
mFile = mSkin->Config().SkinPath();
if (mFile.length() > 0)
{
if (mFile[mFile.length() - 1] != '/')
mFile += '/';
}
mFile += "fonts/";
mFile += rawfont;
if (!FileExists(mFile))
{
// then try generic font dir
mFile = mSkin->Config().FontPath();
if (mFile.length() > 0)
{
if (mFile[mFile.length() - 1] != '/')
mFile += '/';
}
mFile += rawfont;
#ifdef HAVE_FONTCONFIG
// If we have fontconfig, then at last search for the font file in
// all system default font directories
if (!FileExists(mFile))
{
if (cSkinFont::FcInitCount <= 0)
{
FcInit();
}
cSkinFont::FcInitCount++;
FcStrList* dirlist = FcConfigGetFontDirs(NULL);
FcChar8* dir;
while ((dir = FcStrListNext(dirlist)))
{
mFile.assign((const char*)dir);
mFile += '/';
mFile += rawfont;
if (FileExists(mFile))
{
break;
}
}
FcStrListDone(dirlist);
}
#endif
}
}
if (mType == ftFNT)
{
return mFont.LoadFNT(mFile);
}
else
{
return mFont.LoadFT2(mFile, mSkin->Config().CharSet(), mSize);
}
}
bool cSkinFont::ParseCondition(const std::string & Text)
{
cSkinFunction *result = new cSkinFunction(&mDummyObject);
if (result->Parse(Text))
{
delete mCondition;
mCondition = result;
return true;
}
return false;
}
cSkinFonts::cSkinFonts(void)
{
}
cSkinFonts::~cSkinFonts()
{
iterator it = begin();
while (it != end())
{
delete (*it);
it++;
}
}
} // end of namespace
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