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tdegraphics/kfile-plugins/exr/kfile_exr.cpp

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// -*- C++;indent-tabs-mode: t; tab-width: 4; c-basic-offset: 4; -*-
/* This file is part of the KDE project
* Copyright (C) 2003 <bradh@frogmouth.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation version 2.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* $Id$
*/
#include <ImfStandardAttributes.h>
#include <ImathBox.h>
#include <ImfInputFile.h>
#include <ImfBoxAttribute.h>
#include <ImfChannelListAttribute.h>
#include <ImfCompressionAttribute.h>
#include <ImfFloatAttribute.h>
#include <ImfIntAttribute.h>
#include <ImfLineOrderAttribute.h>
#include <ImfStringAttribute.h>
#include <ImfVecAttribute.h>
#include <ImfPreviewImage.h>
#include <ImfVersion.h>
#include <ImfCRgbaFile.h>
#include <iostream>
#include <stdlib.h>
#include <string>
#include <kurl.h>
#include <kprocess.h>
#include <klocale.h>
#include <kgenericfactory.h>
#include <kdebug.h>
#include <tqcstring.h>
#include <tqfile.h>
#include <tqdatetime.h>
#include <tqdict.h>
#include <tqvalidator.h>
#include <tqimage.h>
#include "kfile_exr.h"
using namespace Imf;
typedef KGenericFactory<KExrPlugin> ExrFactory;
K_EXPORT_COMPONENT_FACTORY(kfile_exr, ExrFactory("kfile_exr"))
KExrPlugin::KExrPlugin(TQObject *parent, const char *name,
const TQStringList &args)
: KFilePlugin(parent, name, args)
{
// set up our mime type
KFileMimeTypeInfo* info = addMimeTypeInfo( "image/x-exr" );
KFileMimeTypeInfo::GroupInfo* group = 0;
KFileMimeTypeInfo::ItemInfo* item;
// info group
group = addGroupInfo( info, "Info", i18n("Information") );
addItemInfo( group, "Version", i18n("Format Version"), TQVariant::Int );
addItemInfo( group, "Tiled image", i18n("Tiled Image"), TQVariant::String );
item = addItemInfo( group, "Dimensions", i18n("Dimensions"), TQVariant::Size );
setHint( item, KFileMimeTypeInfo::Size );
setUnit( item, KFileMimeTypeInfo::Pixels );
item = addItemInfo( group, "ThumbnailDimensions",
i18n("Thumbnail Dimensions"), TQVariant::Size );
setHint( item, KFileMimeTypeInfo::Size );
setUnit( item, KFileMimeTypeInfo::Pixels );
addItemInfo( group, "Comment", i18n("Comment"), TQVariant::String );
item = addItemInfo( group, "Thumbnail", i18n("Thumbnail"), TQVariant::Image );
setHint( item, KFileMimeTypeInfo::Thumbnail );
// standard attributes group
group = addGroupInfo( info, "Standard", i18n("Standard Attributes") );
addItemInfo( group, "Owner", i18n("Owner"), TQVariant::String );
addItemInfo( group, "Comments", i18n("Comments"), TQVariant::String );
addItemInfo( group, "Capture Date", i18n("Capture Date"), TQVariant::String );
item = addItemInfo( group, "UTC Offset", i18n("UTC Offset"), TQVariant::String );
item = addItemInfo( group, "Exposure time", i18n("Exposure Time"), TQVariant::Double);
setUnit( item, KFileMimeTypeInfo::Seconds );
item = addItemInfo( group, "Focus", i18n("Focus"), TQVariant::Double);
setSuffix( item, i18n("Metres", "m") );
item = addItemInfo( group, "X Density", i18n("X Density"), TQVariant::Double);
setSuffix( item, i18n("Pixels Per Inch", " ppi") );
item = addItemInfo( group, "White luminance", i18n("White Luminance"), TQVariant::Double);
setSuffix( item, i18n("Candelas per square metre", " Nits") );
addItemInfo( group, "Longitude", i18n("Longitude"), TQVariant::String );
addItemInfo( group, "Latitude", i18n("Latitude"), TQVariant::String );
item = addItemInfo( group, "Altitude", i18n("Altitude"), TQVariant::String );
setSuffix( item, i18n("Metres", "m") );
addItemInfo( group, "ISO speed", i18n("ISO Speed"), TQVariant::Double );
addItemInfo( group, "Aperture", i18n("Aperture"), TQVariant::Double );
// channel group
group = addGroupInfo( info, "Channel", i18n("Channels") );
addItemInfo( group, "A", i18n("A"), TQVariant::String );
addItemInfo( group, "R", i18n("R"), TQVariant::String );
addItemInfo( group, "G", i18n("G"), TQVariant::String );
addItemInfo( group, "B", i18n("B"), TQVariant::String );
addItemInfo( group, "Z", i18n("Z"), TQVariant::String );
addItemInfo( group, "NX", i18n("NX"), TQVariant::String );
addItemInfo( group, "NY", i18n("NY"), TQVariant::String );
addItemInfo( group, "NZ", i18n("NZ"), TQVariant::String );
addItemInfo( group, "R", i18n("R"), TQVariant::String );
addItemInfo( group, "U", i18n("U"), TQVariant::String );
addItemInfo( group, "V", i18n("V"), TQVariant::String );
addItemInfo( group, "materialID", i18n("materialID"), TQVariant::String );
addItemInfo( group, "objectID", i18n("objectID"), TQVariant::String );
addItemInfo( group, "renderID", i18n("renderID"), TQVariant::String );
addItemInfo( group, "pixelCover", i18n("pixelCover"), TQVariant::String );
addItemInfo( group, "velX", i18n("velX"), TQVariant::String );
addItemInfo( group, "velY", i18n("velY"), TQVariant::String );
addItemInfo( group, "packedRGBA", i18n("packedRGBA"), TQVariant::String );
// technical group
group = addGroupInfo( info, "Technical", i18n("Technical Details") );
addItemInfo( group, "Compression", i18n("Compression"), TQVariant::String );
addItemInfo( group, "Line Order", i18n("Line Order"), TQVariant::String );
// 3dsMax group
// This supports a special plugin for 3D Studio Max
group = addGroupInfo( info, "3dsMax", i18n("3dsMax Details") );
addItemInfo( group, "Local time", i18n("Local Time"), TQVariant::String );
addItemInfo( group, "System time", i18n("System Time"), TQVariant::String );
addItemInfo( group, "Plugin version", i18n("Plugin Version"), TQVariant::String );
addItemInfo( group, "EXR version", i18n("EXR Version"), TQVariant::String );
addItemInfo( group, "Computer name", i18n("Computer Name"), TQVariant::String );
}
TQCString doType( PixelType pt )
{
switch (pt)
{
case UINT:
return TQCString("32-bit unsigned integer");
break;
case HALF:
return TQCString("16-bit floating-point");
break;
case FLOAT:
return TQCString("32-bit floating-point");
break;
default:
return TQCString();
break;
}
}
bool KExrPlugin::readInfo( KFileMetaInfo& info, uint what)
{
try
{
InputFile in ( info.path().ascii() );
const Header &h = in.header();
KFileMetaInfoGroup infogroup = appendGroup(info, "Info");
KFileMetaInfoGroup stdgroup = appendGroup(info, "Standard");
KFileMetaInfoGroup channelgroup = appendGroup(info, "Channel");
KFileMetaInfoGroup techgroup = appendGroup(info, "Technical");
KFileMetaInfoGroup threedsmaxgroup = appendGroup(info, "3dsMax");
appendItem( infogroup, "Version", getVersion(in.version()) );
if (isTiled(in.version())) {
appendItem( infogroup, "Tiled image", "yes" );
} else {
appendItem( infogroup, "Tiled image", "no" );
}
Imath::Box2i dw = h.dataWindow();
appendItem( infogroup, "Dimensions", TQSize( (dw.max.x - dw.min.x + 1 ),
(dw.max.y - dw.min.y + 1 ) ) );
if ( h.hasPreviewImage() ) {
const PreviewImage &preview = in.header().previewImage();
appendItem( infogroup, "ThumbnailDimensions", TQSize(preview.width(), preview.height()) );
TQImage qpreview(preview.width(), preview.height(), 32, 0, TQImage::BigEndian);
for ( unsigned int y=0; y < preview.height(); y++ ) {
for ( unsigned int x=0; x < preview.width(); x++ ) {
const PreviewRgba &q = preview.pixels()[x+(y*preview.width())];
qpreview.setPixel( x, y, tqRgba(q.r, q.g, q.b, q.a) );
}
}
appendItem( infogroup, "Thumbnail", qpreview);
}
const StringAttribute *commentSA = h.findTypedAttribute <StringAttribute> ("comment");
if (commentSA) {
std::string commentString = commentSA->value();
TQString qcommentString(commentString.data());
qcommentString.setLength(commentString.size());
appendItem( infogroup, "Comment", qcommentString );
}
// Standard Attributes we are interested in and can
// meaningfully represent.
if ( hasComments(h) ) {
std::string commentsString = comments(h);
TQString qcommentsString(commentsString.data());
qcommentsString.setLength(commentsString.size());
appendItem( stdgroup, "Comments", qcommentsString );
}
if ( hasOwner(h) ) {
std::string ownerString = owner(h);
TQString qownerString(ownerString.data());
qownerString.setLength(ownerString.size());
appendItem( stdgroup, "Owner", qownerString );
}
if ( hasCapDate(h) ) {
std::string capDateString = capDate(h);
TQString qcapDateString(capDateString.data());
qcapDateString.setLength(capDateString.size());
appendItem( stdgroup, "Capture Date", qcapDateString );
}
// This define was introduced in EXR 1.6.0
#ifndef IMF_B44_COMPRESSION
// This is the 1.4 and earlier version
if ( hasutcOffset(h) ) {
#else
// This is the 1.6.0 and later version
if ( hasUtcOffset(h) ) {
#endif
TQString UTCOffset;
if (utcOffset(h)>0.0) {
UTCOffset.append(TQString("%1").tqarg(utcOffset(h)/3600, 0, 'f', 1));
UTCOffset.append(" hours behind UTC");
} else {
UTCOffset.append(TQString("%1").tqarg(-1.0*utcOffset(h)/3600, 0, 'f', 1));
UTCOffset.append(" hours ahead of UTC");
}
appendItem( stdgroup, "UTC Offset", UTCOffset);
}
if ( hasExpTime(h) ) {
double exposureTime = expTime(h);
appendItem( stdgroup, "Exposure time", exposureTime );
}
if ( hasFocus(h) ) {
double focusDistance = focus(h);
appendItem( stdgroup, "Focus", focusDistance );
}
if ( hasXDensity(h) ) {
double XDensity = xDensity(h);
appendItem( stdgroup, "X Density", XDensity );
}
if ( hasWhiteLuminance(h) ) {
double WhiteLuminance = whiteLuminance(h);
appendItem( stdgroup, "White luminance", WhiteLuminance );
}
if ( hasLongitude(h) ) {
TQString Longitude;
if (longitude(h)<0.0) {
Longitude.append(TQString("%1").tqarg(-1.0*longitude(h),0,'f',3));
Longitude.append(" deg West");
} else {
Longitude.append(TQString("%1").tqarg(longitude(h),0,'f',3));
Longitude.append(" deg East");
}
appendItem( stdgroup, "Longitude", Longitude);
}
if ( hasLatitude(h) ) {
TQString Latitude;
if (latitude(h)<0.0) {
Latitude.append(TQString("%1").tqarg(-1.0*latitude(h),0,'f',3));
Latitude.append(" deg South");
} else {
Latitude.append(TQString("%1").tqarg(latitude(h),0,'f',3));
Latitude.append(" deg North");
}
appendItem( stdgroup, "Latitude", Latitude );
}
if ( hasAltitude(h) ) {
double Altitude = altitude(h);
appendItem( stdgroup, "Altitude", TQString("%1").tqarg(Altitude,0,'f',1) );
}
if ( hasIsoSpeed(h) ) {
double IsoSpeed = isoSpeed(h);
appendItem( stdgroup, "ISO speed", IsoSpeed );
}
if ( hasAperture(h) ) {
double Aperture = aperture(h);
appendItem( stdgroup, "Aperture", Aperture );
}
for (Header::ConstIterator i = h.begin(); i != h.end(); ++i) {
const Attribute *a = &i.attribute();
if (const CompressionAttribute *ta = dynamic_cast <const CompressionAttribute *> (a)) {
switch ( ta->value() )
{
case NO_COMPRESSION:
appendItem( techgroup, "Compression", i18n("No compression"));
break;
case RLE_COMPRESSION:
appendItem( techgroup, "Compression", i18n("Run Length Encoding"));
break;
case ZIPS_COMPRESSION:
appendItem( techgroup, "Compression", i18n("zip, individual scanlines"));
break;
case ZIP_COMPRESSION:
appendItem( techgroup, "Compression", i18n("zip, multi-scanline blocks"));
break;
case PIZ_COMPRESSION:
appendItem( techgroup, "Compression", i18n("piz compression"));
break;
default:
break;
}
} else if (const LineOrderAttribute *ta = dynamic_cast <const LineOrderAttribute *> (a)) {
switch (ta->value())
{
case INCREASING_Y:
appendItem( techgroup, "Line Order", i18n("increasing Y"));
break;
case DECREASING_Y:
appendItem( techgroup, "Line Order", i18n("decreasing Y"));
break;
default:
break;
};
} else if (const ChannelListAttribute *ta = dynamic_cast <const ChannelListAttribute *> (a)) {
for (ChannelList::ConstIterator i = ta->value().begin(); i != ta->value().end(); ++i)
{
appendItem( channelgroup, i.name(), doType(i.channel().type) );
}
}
}
// This section deals with some special case stuff for a 3D Studio Max
// plugin from Splutterfish. The weird construction is an
// attempt to to deal with class conversion. C++ string handling
// without TQt is a pain...
const StringAttribute *ver3DSM = h.findTypedAttribute <StringAttribute> ("version3dsMax");
if (ver3DSM) {
std::string ver3DSMstring = ver3DSM->value();
TQString qver3DSMstring(ver3DSMstring.data());
qver3DSMstring.setLength(ver3DSMstring.size());
appendItem( threedsmaxgroup, "Plugin version", qver3DSMstring );
}
const StringAttribute *verEXR = h.findTypedAttribute <StringAttribute> ("versionEXR");
if (verEXR) {
std::string verEXRstring = verEXR->value();
TQString qverEXRstring(verEXRstring.data());
qverEXRstring.setLength(verEXRstring.size());
appendItem( threedsmaxgroup, "EXR version", TQString( verEXRstring.data() ) );
}
const StringAttribute *localTime = h.findTypedAttribute <StringAttribute> ("localTime");
if (localTime) {
std::string localTimeString = localTime->value();
TQString qlocalTimeString(localTimeString.data());
qlocalTimeString.setLength(localTimeString.size());
appendItem( threedsmaxgroup, "Local time", qlocalTimeString );
}
const StringAttribute *systemTime = h.findTypedAttribute <StringAttribute> ("systemTime");
if (systemTime) {
std::string systemTimeString = systemTime->value();
TQString qsystemTimeString(systemTimeString.data());
qsystemTimeString.setLength(systemTimeString.size());
appendItem( threedsmaxgroup, "System time", qsystemTimeString );
}
const StringAttribute *computerName = h.findTypedAttribute <StringAttribute> ("computerName");
if (computerName) {
std::string computerNameString = computerName->value();
TQString qcomputerNameString(computerNameString.data());
qcomputerNameString.setLength(computerNameString.size());
appendItem( threedsmaxgroup, "Computer name", qcomputerNameString );
}
return true;
}
catch (const std::exception &e)
{
kdDebug(0) << e.what() << endl;
return false;
}
}
#include "kfile_exr.moc"