Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 208 insertions, 0 deletions

diff --git a/kfile-plugins/rgb/kfile_rgb.cpp b/kfile-plugins/rgb/kfile_rgb.cpp
new file mode 100644
index 00000000..b7b55035
--- /dev/null
+++ b/kfile-plugins/rgb/kfile_rgb.cpp
@@ -0,0 +1,208 @@
+/* This file is part of the KDE project
+ * Copyright (C) 2004 Melchior FRANZ <mfranz@kde.org>
+ *
+ * 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.
+ *
+ */
+
+#include <config.h>
+#include "kfile_rgb.h"
+
+#include <qfile.h>
+#include <qvalidator.h>
+
+#include <kdebug.h>
+#include <kgenericfactory.h>
+
+
+typedef KGenericFactory<KRgbPlugin> RgbFactory;
+
+K_EXPORT_COMPONENT_FACTORY(kfile_rgb, RgbFactory("kfile_rgb"))
+
+
+KRgbPlugin::KRgbPlugin(QObject *parent, const char *name, const QStringList &args) :
+	KFilePlugin(parent, name, args)
+{
+	KFileMimeTypeInfo* info = addMimeTypeInfo("image/x-rgb");
+
+	KFileMimeTypeInfo::GroupInfo* group = 0;
+	KFileMimeTypeInfo::ItemInfo* item;
+
+
+	group = addGroupInfo(info, "Comment", i18n("Comment"));
+
+	item = addItemInfo(group, "ImageName", i18n("Name"), QVariant::String);
+	setAttributes(item, KFileMimeTypeInfo::Modifiable);
+	setHint(item, KFileMimeTypeInfo::Description);
+
+
+	group = addGroupInfo(info, "Technical", i18n("Technical Details"));
+
+	item = addItemInfo(group, "Dimensions", i18n("Dimensions"), QVariant::Size);
+	setHint(item, KFileMimeTypeInfo::Size);
+	setUnit(item, KFileMimeTypeInfo::Pixels);
+
+	item = addItemInfo(group, "BitDepth", i18n("Bit Depth"), QVariant::Int);
+	setUnit(item, KFileMimeTypeInfo::BitsPerPixel);
+
+	item = addItemInfo(group, "ColorMode", i18n("Color Mode"), QVariant::String);
+	item = addItemInfo(group, "Compression", i18n("Compression"), QVariant::String);
+	item = addItemInfo(group, "SharedRows",
+			i18n("percentage of avoided vertical redundancy (the higher the better)",
+			"Shared Rows"), QVariant::String);
+
+}
+
+
+bool KRgbPlugin::readInfo(KFileMetaInfo& info, uint /*what*/)
+{
+	QFile file(info.path());
+
+	if (!file.open(IO_ReadOnly)) {
+		kdDebug(7034) << "Couldn't open " << QFile::encodeName(info.path()) << endl;
+		return false;
+	}
+
+	QDataStream dstream(&file);
+
+	Q_UINT16 magic;
+	Q_UINT8  storage;
+	Q_UINT8  bpc;
+	Q_UINT16 dimension;
+	Q_UINT16 xsize;
+	Q_UINT16 ysize;
+	Q_UINT16 zsize;
+	Q_UINT32 pixmin;
+	Q_UINT32 pixmax;
+	Q_UINT32 dummy;
+	char     imagename[80];
+	Q_UINT32 colormap;
+
+	dstream >> magic;
+	dstream >> storage;
+	dstream >> bpc;
+	dstream >> dimension;
+	dstream >> xsize;
+	dstream >> ysize;
+	dstream >> zsize;
+	dstream >> pixmin;
+	dstream >> pixmax;
+	dstream >> dummy;
+	dstream.readRawBytes(imagename, 80);
+	imagename[79] = '\0';
+	dstream >> colormap;
+	Q_UINT8 u8;
+	for (uint i = 0; i < 404; i++)
+		dstream >> u8;
+
+	if (magic != 474)
+		return false;
+
+	KFileMetaInfoGroup group;
+
+	group = appendGroup(info, "Technical");
+
+	if (dimension == 1)
+		ysize = 1;
+	appendItem(group, "Dimensions", QSize(xsize, ysize));
+	appendItem(group, "BitDepth", zsize * 8 * bpc);
+
+	if (zsize == 1)
+		appendItem(group, "ColorMode", i18n("Grayscale"));
+	else if (zsize == 2)
+		appendItem(group, "ColorMode", i18n("Grayscale/Alpha"));
+	else if (zsize == 3)
+		appendItem(group, "ColorMode", i18n("RGB"));
+	else if (zsize == 4)
+		appendItem(group, "ColorMode", i18n("RGB/Alpha"));
+
+	if (!storage)
+		appendItem(group, "Compression", i18n("Uncompressed"));
+	else if (storage == 1) {
+		long compressed = file.size() - 512;
+		long verbatim = xsize * ysize * zsize;
+		appendItem(group, "Compression", i18n("Runlength Encoded")
+				+ QString(", %1%").arg(compressed * 100.0 / verbatim, 0, 'f', 1));
+
+		long k;
+		Q_UINT32 offs;
+		QMap<Q_UINT32, uint> map;
+		QMap<Q_UINT32, uint>::Iterator it;
+		QMap<Q_UINT32, uint>::Iterator end = map.end();
+		for (k = 0; k < (ysize * zsize); k++) {
+			dstream >> offs;
+			if ((it = map.find(offs)) != end)
+				map.replace(offs, it.data() + 1);
+			else
+				map[offs] = 0;
+		}
+		for (k = 0, it = map.begin(); it != end; ++it)
+			k += it.data();
+
+		if (k)
+			appendItem(group, "SharedRows", QString("%1%").arg(k * 100.0
+					/ (ysize * zsize), 0, 'f', 1));
+		else
+			appendItem(group, "SharedRows", i18n("None"));
+	} else
+		appendItem(group, "Compression", i18n("Unknown"));
+
+
+	group = appendGroup(info, "Comment");
+	appendItem(group, "ImageName", imagename);
+
+	file.close();
+	return true;
+}
+
+
+bool KRgbPlugin::writeInfo(const KFileMetaInfo& info) const
+{
+	QFile file(info.path());
+
+	if (!file.open(IO_WriteOnly|IO_Raw)) {
+		kdDebug(7034) << "couldn't open " << QFile::encodeName(info.path()) << endl;
+		return false;
+	}
+
+	if (!file.at(24)) {
+		kdDebug(7034) << "couldn't set offset" << endl;
+		return false;
+	}
+
+	QDataStream dstream(&file);
+	QString s = info["Comment"]["ImageName"].value().toString();
+	s.truncate(79);
+
+	unsigned i;
+	for (i = 0; i < s.length(); i++)
+		dstream << Q_UINT8(s.latin1()[i]);
+	for (; i < 80; i++)
+		dstream << Q_UINT8(0);
+
+	file.close();
+	return true;
+}
+
+
+// restrict to 79 ASCII characters
+QValidator* KRgbPlugin::createValidator(const QString&, const QString &,
+		const QString &, QObject* parent, const char* name) const
+{
+	return new QRegExpValidator(QRegExp("[\x0020-\x007E]{79}"), parent, name);
+}
+
+
+#include "kfile_rgb.moc"