summaryrefslogtreecommitdiffstats
path: root/ksvg/impl/SVGColorProfileElementImpl.cc
diff options
context:
space:
mode:
authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /ksvg/impl/SVGColorProfileElementImpl.cc
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
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
Diffstat (limited to 'ksvg/impl/SVGColorProfileElementImpl.cc')
-rw-r--r--ksvg/impl/SVGColorProfileElementImpl.cc271
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