QValueVector<QColor> amaroK::readMood(const QString path)
{
debug() << "MakeMood: Reading mood file " << path << endl;
QString filebase = path;
QValueVector<QColor> theArray;
filebase.truncate(filebase.findRev('.'));
filebase += ".mood";
QString dotfilebase = filebase, homefilebase = filebase;
dotfilebase.insert(filebase.findRev('/') + 1, '.');
homefilebase.replace('/', ',');
homefilebase = ::locateLocal("data", "amarok/moods/" + homefilebase);
QFile mood;
if(QFile::exists(filebase)) mood.setName(filebase);
if(QFile::exists(dotfilebase)) mood.setName(dotfilebase);
if(QFile::exists(homefilebase)) mood.setName(homefilebase);
if(mood.name() != "" && mood.open(IO_ReadOnly))
{
int r, g, b, s = mood.size() / 3;
debug() << "ReadMood: File opened. Proceeding to read contents... s=" << s << endl;
QMemArray<int> huedist(360);
int total = 0, mx = 0;
for(int i = 0; i < 360; i++) huedist[i] = 0;
theArray.resize(s);
for(int i = 0; i < s; i++)
{
r = mood.getch();
g = mood.getch();
b = mood.getch();
theArray[i] = QColor(CLAMP(0, r, 255), CLAMP(0, g, 255), CLAMP(0, b, 255), QColor::Rgb);
int h, s, v;
theArray[i].getHsv(&h, &s, &v);
if(h < 0) h = 0; else h = h % 360;
huedist[h]++;
if(mx < huedist[h]) mx = huedist[h];
}
debug() << "ReadMood: File read. Maximum hue bin size = " << mx << endl;
if(AmarokConfig::makeMoodier())
{
debug() << "ReadMood: Making moodier!" << endl;
int threshold, rangeStart = 0, rangeDelta = 359, sat = 100, val = 100;
switch(AmarokConfig::alterMood())
{
// Angry
case 1: threshold = s / 360 * 9; rangeStart = 45; rangeDelta = -45; sat = 200; val = 100; break;
// Frozen
case 2: threshold = s / 360 * 1; rangeStart = 140; rangeDelta = 160; sat = 50; val = 100; break;
// Happy
default: threshold = s / 360 * 2; rangeStart = 0; rangeDelta = 359; sat = 150; val = 250;
}
debug() << "ReadMood: Appling filter t=" << threshold << ", rS=" << rangeStart << ", rD=" << rangeDelta << ", s=" << sat << "%, v=" << val << "%" << endl;
for(int i = 0; i < 360; i++) if(huedist[i] > threshold) total++;
debug() << "ReadMood: Total=" << total << endl;
if(total < 360 && total > 0)
{
for(int i = 0, n = 0; i < 360; i++)
huedist[i] = ((huedist[i] > threshold ? n++ : n) * rangeDelta / total + rangeStart) % 360;
for(uint i = 0; i < theArray.size(); i++)
{ int h, s, v;
theArray[i].getHsv(&h, &s, &v);
if(h < 0) h = 0; else h = h % 360;
if(h > 359) debug() << "ReadMood: Bad hue in array[" << i << "]: " << h << endl;
theArray[i].setHsv(CLAMP(0, huedist[h], 359), CLAMP(0, s * sat / 100, 255), CLAMP(0, v * val / 100, 255));
}
}
}
}
debug() << "ReadMood: All done." << endl;
return theArray;
}
//--------------------------------------------------------------------------
// Parse the marker stream until SOS or EOI is seen;
//--------------------------------------------------------------------------
int ExifData::ReadJpegSections (QFile & infile, ReadMode_t ReadMode)
{
int a;
a = infile.getch();
if (a != 0xff || infile.getch() != M_SOI) {
SectionsRead = 0;
return false;
}
for(SectionsRead = 0; SectionsRead < MAX_SECTIONS-1; ) {
int marker = 0;
int got;
unsigned int ll,lh;
unsigned int itemlen;
uchar * Data;
for (a=0; a<7; a++) {
marker = infile.getch();
if (marker != 0xff) break;
if (a >= 6) {
kdDebug(7034) << "too many padding bytes\n";
return false;
}
}
if (marker == 0xff) {
// 0xff is legal padding, but if we get that many, something's wrong.
throw FatalError("too many padding bytes!");
}
Sections[SectionsRead].Type = marker;
// Read the length of the section.
lh = (uchar) infile.getch();
ll = (uchar) infile.getch();
itemlen = (lh << 8) | ll;
if (itemlen < 2) {
throw FatalError("invalid marker");
}
Sections[SectionsRead].Size = itemlen;
Data = (uchar *)malloc(itemlen+1); // Add 1 to allow sticking a 0 at the end.
Sections[SectionsRead].Data = Data;
// Store first two pre-read bytes.
Data[0] = (uchar)lh;
Data[1] = (uchar)ll;
got = infile.readBlock((char*)Data+2, itemlen-2); // Read the whole section.
if (( unsigned ) got != itemlen-2) {
throw FatalError("reading from file");
}
SectionsRead++;
switch(marker) {
case M_SOS: // stop before hitting compressed data
// If reading entire image is requested, read the rest of the data.
if (ReadMode & READ_IMAGE) {
unsigned long size;
size = kMax( 0ul, infile.size()-infile.at() );
Data = (uchar *)malloc(size);
if (Data == NULL) {
throw FatalError("could not allocate data for entire image");
}
got = infile.readBlock((char*)Data, size);
if (( unsigned ) got != size) {
throw FatalError("could not read the rest of the image");
}
Sections[SectionsRead].Data = Data;
Sections[SectionsRead].Size = size;
Sections[SectionsRead].Type = PSEUDO_IMAGE_MARKER;
SectionsRead ++;
//HaveAll = 1;
}
return true;
case M_EOI: // in case it's a tables-only JPEG stream
kdDebug(7034) << "No image in jpeg!\n";
return false;
case M_COM: // Comment section
// pieczy 2002-02-12
// now the User comment goes to UserComment
// so we can store a Comment section also in READ_EXIF mode
process_COM(Data, itemlen);
break;
case M_JFIF:
// Regular jpegs always have this tag, exif images have the exif
// marker instead, althogh ACDsee will write images with both markers.
// this program will re-create this marker on absence of exif marker.
// hence no need to keep the copy from the file.
free(Sections[--SectionsRead].Data);
break;
case M_EXIF:
// Seen files from some 'U-lead' software with Vivitar scanner
// that uses marker 31 for non exif stuff. Thus make sure
// it says 'Exif' in the section before treating it as exif.
if ((ReadMode & READ_EXIF) && memcmp(Data+2, "Exif", 4) == 0) {
process_EXIF((uchar *)Data, itemlen); // FIXME: This call
// requires Data to be array of at least 8 bytes. Code
// above only checks for itemlen < 2.
} else {
// Discard this section.
free(Sections[--SectionsRead].Data);
}
break;
case M_SOF0:
case M_SOF1:
case M_SOF2:
case M_SOF3:
case M_SOF5:
case M_SOF6:
case M_SOF7:
case M_SOF9:
case M_SOF10:
case M_SOF11:
case M_SOF13:
case M_SOF14:
case M_SOF15:
process_SOFn(Data, marker); //FIXME: This call requires Data to
// be array of at least 8 bytes. Code above only checks for
// itemlen < 2.
break;
default:
break;
}
}
return true;
}