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, 271 insertions, 0 deletions

diff --git a/ksvg/impl/SVGColorProfileElementImpl.cc b/ksvg/impl/SVGColorProfileElementImpl.cc
new file mode 100644
index 00000000..f898188b
--- /dev/null
+++ b/ksvg/impl/SVGColorProfileElementImpl.cc
@@ -0,0 +1,271 @@
+/*
+    Copyright (C) 2001-2003 KSVG Team
+    This file is part of the KDE project
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library 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
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include <kurl.h>
+#include <kdebug.h>
+#include <kio/netaccess.h>
+
+#include <qimage.h>
+
+#include "SVGDocumentImpl.h"
+#include "SVGSVGElementImpl.h"
+
+#include "SVGRenderingIntent.h"
+
+#include "SVGAnimatedStringImpl.h"
+#include "SVGColorProfileElementImpl.h"
+
+using namespace KSVG;
+
+#include "SVGColorProfileElementImpl.lut.h"
+#include "ksvg_bridge.h"
+#include "ksvg_ecma.h"
+
+SVGColorProfileElementImpl::SVGColorProfileElementImpl(DOM::ElementImpl *impl) : SVGElementImpl(impl), SVGURIReferenceImpl()
+{
+	KSVG_EMPTY_FLAGS
+
+	m_loaded = false;
+	
+	// Spec: Default value 'auto', if not overwritten later
+	m_renderingIntent = RENDERING_INTENT_AUTO;
+}
+
+SVGColorProfileElementImpl::~SVGColorProfileElementImpl()
+{
+	if(m_loaded)
+		closeColorProfile();
+}
+
+/*
+@namespace KSVG
+@begin SVGColorProfileElementImpl::s_hashTable 5
+ name	SVGColorProfileElementImpl::Name	DontDelete|ReadOnly
+ href	SVGColorProfileElementImpl::Href	DontDelete|ReadOnly
+ rendering-intent	SVGColorProfileElementImpl::RenderingIntent	DontDelete|ReadOnly
+@end
+*/
+
+Value SVGColorProfileElementImpl::getValueProperty(ExecState *exec, int token) const
+{
+	switch(token)
+	{
+		case Name:
+			return String(m_name);
+		case Href:
+			return href()->cache(exec);
+		case RenderingIntent:
+			return Number(m_renderingIntent);
+		default:
+			kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
+			return Undefined();
+	}
+}
+
+void SVGColorProfileElementImpl::putValueProperty(ExecState *exec, int token, const Value &value, int attr)
+{
+	// This class has just ReadOnly properties, only with the Internal flag set
+	// it's allowed to modify those.
+	if(!(attr & KJS::Internal))
+		return;
+
+	switch(token)
+	{
+		case Name:
+			m_name = value.toString(exec).string();
+			ownerDoc()->rootElement()->addToIdMap(m_name.string(), this);
+			break;
+		case Href:
+			href()->setBaseVal(value.toString(exec).string());
+			break;
+		case RenderingIntent:
+		{
+			QString compare = value.toString(exec).qstring().lower();
+
+			if(compare == "perceptual")
+				m_renderingIntent = RENDERING_INTENT_PERCEPTUAL;
+			else if(compare == "relative-colorimetric")
+				m_renderingIntent = RENDERING_INTENT_RELATIVE_COLORIMETRIC;
+			else if(compare == "saturation")
+				m_renderingIntent = RENDERING_INTENT_SATURATION;
+			else if(compare == "absolute-colorimetric")
+				m_renderingIntent = RENDERING_INTENT_ABSOLUTE_COLORIMETRIC;
+			else
+				m_renderingIntent = RENDERING_INTENT_AUTO;
+			break;		 
+		}
+		default:
+			kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
+	}
+}
+
+void SVGColorProfileElementImpl::setLocal(const DOM::DOMString &local)
+{
+	m_local = local;
+}
+
+DOM::DOMString SVGColorProfileElementImpl::local() const
+{
+	return m_local;
+}
+
+void SVGColorProfileElementImpl::setName(const DOM::DOMString &name)
+{
+	m_name = name;
+}
+
+DOM::DOMString SVGColorProfileElementImpl::name() const
+{
+	return m_name;
+}
+
+void SVGColorProfileElementImpl::setRenderingIntent(unsigned short renderingIntent)
+{
+	m_renderingIntent = renderingIntent;
+}
+
+unsigned short SVGColorProfileElementImpl::renderingIntent() const
+{
+	return m_renderingIntent;
+}
+
+bool SVGColorProfileElementImpl::canLoad()
+{
+	QString open;
+	bool temp;
+	return canLoad(false, temp, open, true);
+}
+
+bool SVGColorProfileElementImpl::canLoad(bool remote, bool &tempFile, QString &open, bool verbose)
+{
+	KURL file;
+	
+	if(!KURL::isRelativeURL(href()->baseVal().string()))
+		file = KURL(href()->baseVal().string());
+	else
+		file = KURL(ownerDoc()->baseUrl(), href()->baseVal().string());
+	
+	if(file.path().isEmpty())
+	{
+		if(verbose)
+		    kdDebug() << "Couldn't load color profile " << file.path() << "!" << endl;
+
+		return false;
+	}
+
+	if(file.isLocalFile())
+	{
+		open = file.path();
+		
+		if(!QFile::exists(open))
+		{
+			if(verbose)
+				kdDebug() << "Couldn't load color profile " << file.path() << "! It does not exist." << endl;
+			
+			return false;
+		}
+	}
+	else
+	{
+		if(remote)
+		{
+			if(KIO::NetAccess::download(file, open, 0))
+				tempFile = true;
+		}
+	}
+
+	return true;
+}
+
+bool SVGColorProfileElementImpl::loadColorProfile()
+{
+	QString open;
+	bool tempFile = false;
+	
+	if(!canLoad(true, tempFile, open, false))
+		return false;
+
+	m_hInput = cmsOpenProfileFromFile(open.latin1(), "r");
+	m_hOutput = cmsCreate_sRGBProfile();
+
+	unsigned int dwIn = BYTES_SH(2) | CHANNELS_SH(_cmsChannelsOf(m_inputColorSpace));
+	unsigned int dwOut = BYTES_SH(2) | CHANNELS_SH(_cmsChannelsOf(m_outputColorSpace));
+	
+	if(m_renderingIntent != RENDERING_INTENT_AUTO)
+		m_hTrans = cmsCreateTransform(m_hInput, dwIn, m_hOutput, dwOut, m_renderingIntent - 2, cmsFLAGS_NOTPRECALC);
+	else
+		m_hTrans = cmsCreateTransform(m_hInput, dwIn, m_hOutput, dwOut, cmsTakeRenderingIntent(m_hInput), cmsFLAGS_NOTPRECALC);
+	
+	m_inputColorSpace = cmsGetColorSpace(m_hInput);
+	m_outputColorSpace = cmsGetColorSpace(m_hOutput);
+	m_loaded = true;
+
+	if(tempFile)
+		KIO::NetAccess::removeTempFile(open);
+	
+	return true;
+}
+
+void SVGColorProfileElementImpl::closeColorProfile()
+{
+	cmsDeleteTransform(m_hTrans);
+	cmsCloseProfile(m_hInput);
+}
+
+QRgb SVGColorProfileElementImpl::correctPixel(float r, float g, float b)
+{
+	if(!m_loaded)
+	{
+		if(!loadColorProfile())
+			return qRgb(0, 0, 0);
+	}
+
+	unsigned short input[MAXCHANNELS], output[MAXCHANNELS];
+
+	input[0] = ((unsigned int) r) * 257;
+	input[1] = ((unsigned int) g) * 257;
+	input[2] = ((unsigned int) b) * 257;
+
+	cmsDoTransform(m_hTrans, input, output, 1);
+
+	if(m_outputColorSpace == icSigRgbData)
+		return qRgb(output[0] / 257, output[1] / 257, output[2] / 257);
+
+	return qRgb(0, 0, 0);
+}
+
+QImage *SVGColorProfileElementImpl::correctImage(QImage *input)
+{
+	if(!canLoad())
+		return input;
+	
+	for(int y = 0; y < input->height(); y++)
+	{
+		for(int x = 0; x < input->width(); x++)
+		{
+			QRgb pixel = input->pixel(x, y);
+			input->setPixel(x, y, correctPixel(qRed(pixel), qGreen(pixel), qBlue(pixel)));
+		}
+	}
+
+	return input;
+}
+
+// vim:ts=4:noet