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-rw-r--r--kcontrol/background/CMakeLists.txt2
-rw-r--r--kcontrol/background/KCrossBGRender.cc361
-rw-r--r--kcontrol/background/KCrossBGRender.h76
-rw-r--r--kcontrol/background/bgdefaults.h1
-rw-r--r--kcontrol/background/bgdialog.cpp18
-rw-r--r--kcontrol/background/bgdialog.h1
-rw-r--r--kcontrol/background/bgdialog_ui.ui11
-rw-r--r--kcontrol/background/bgrender.cpp8
-rw-r--r--kcontrol/background/bgrender.h5
-rw-r--r--kcontrol/background/bgsettings.cpp14
-rw-r--r--kcontrol/background/bgsettings.h10
-rw-r--r--kcontrol/background/crossfade.h56
12 files changed, 554 insertions, 9 deletions
diff --git a/kcontrol/background/CMakeLists.txt b/kcontrol/background/CMakeLists.txt
index 7996f58a6..0d04bd10d 100644
--- a/kcontrol/background/CMakeLists.txt
+++ b/kcontrol/background/CMakeLists.txt
@@ -29,7 +29,7 @@ if( BUILD_KCONTROL OR BUILD_KDESKTOP OR BUILD_TDM )
##### bgnd (static) #############################
tde_add_library( bgnd STATIC_PIC AUTOMOC
- SOURCES bgrender.cpp bgsettings.cpp
+ SOURCES bgrender.cpp bgsettings.cpp KCrossBGRender.cc
LINK ${LIBART_LIBRARIES}
)
diff --git a/kcontrol/background/KCrossBGRender.cc b/kcontrol/background/KCrossBGRender.cc
new file mode 100644
index 000000000..3158e5699
--- /dev/null
+++ b/kcontrol/background/KCrossBGRender.cc
@@ -0,0 +1,361 @@
+/*
+ * Copyright (C) 2008 Danilo Cesar Lemes de Paula <danilo@mandriva.com>
+ * Copyright (C) 2008 Gustavo Boiko <boiko@mandriva.com>
+ * Mandriva Conectiva
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <tqdom.h>
+#include <tqfile.h>
+
+#include <kdebug.h>
+
+#include "KCrossBGRender.h"
+#include <tqapplication.h>
+#include <kimageeffect.h>
+
+
+KCrossBGRender::KCrossBGRender(int desk, int screen, bool drawBackgroundPerScreen, TDEConfig *config): KBackgroundRenderer(desk,screen,drawBackgroundPerScreen,config)
+{
+ useCrossEfect = false;
+ if ( wallpaperList()[0].endsWith("xml",false) ) {
+ initCrossFade(wallpaperList()[0]);
+ }
+}
+
+
+void KCrossBGRender::initCrossFade(TQString xmlFile)
+{
+ useCrossEfect = true;
+ if (xmlFile.isEmpty()){
+ useCrossEfect = false;
+ return;
+ }
+ secs = 0;
+ timeList.empty();
+
+ // read the XMLfile
+ TQDomDocument xmldoc = TQDomDocument(xmlFile);
+ TQFile file( xmlFile );
+ if ( !file.open( IO_ReadOnly ) ) {
+ useCrossEfect = false;
+ return;
+ }
+ if ( !xmldoc.setContent( &file ) ) {
+ useCrossEfect = false;
+ file.close();
+ return;
+ }
+ file.close();
+
+ TQDomElement docElem = xmldoc.documentElement();
+ TQDomNode n = docElem.firstChild();
+ while( !n.isNull() ) {
+ TQDomElement e = n.toElement(); // try to convert the node to an element.
+ if( !e.isNull() ) {
+ if (e.tagName() == "starttime") {
+ createStartTime(e);
+ } else if (e.tagName() == "transition") {
+ createTransition(e);
+ } else if (e.tagName() == "static") {
+ createStatic(e);
+ }
+ }
+ n = n.nextSibling();
+ }
+
+ // Setting "now" state
+ setCurrentEvent(true);
+ pix = getCurrentPixmap();
+
+ useCrossEfect = true;
+}
+
+
+KCrossBGRender::~KCrossBGRender(){
+}
+
+TQPixmap KCrossBGRender::pixmap() {
+ fixEnabled();
+ if (!useCrossEfect){
+ TQPixmap p = KBackgroundRenderer::pixmap();
+ kdDebug() << "Inherited " << p.size() << endl;
+ if (p.width() == 0 && p.height() == 0){
+ p.convertFromImage(image());
+ }
+ return p;
+ }
+
+ return pix;
+}
+
+bool KCrossBGRender::needWallpaperChange(){
+ if (!useCrossEfect) {
+ return KBackgroundRenderer::needWallpaperChange();
+ }
+
+ bool forceChange = setCurrentEvent(); // If we change the current state
+ if (forceChange){ // do not matter what hapens
+ actualPhase = 0; // we need to change background
+ return true;
+ }
+
+ // Return false if it's not a transition
+ if (!current.transition) {
+ return false;
+ }
+
+ double timeLeft, timeTotal;
+ TQTime now = TQTime::currentTime();
+
+ timeLeft = now.secsTo(current.etime);
+ if (timeLeft < 0) {
+ timeLeft += 86400; // before midnight
+ }
+ timeTotal = current.stime.secsTo(current.etime);
+ if (timeTotal < 0) {
+ timeTotal += 86400;
+ }
+
+ double passed = timeTotal - timeLeft;
+ double timeCell = timeTotal/60; //Time cell size
+
+ //kdDebug() << "\ntimeleft:" << timeLeft << " timeTotal:" << timeTotal
+ // << "\npassed:" << passed << " timeCell:" << timeCell
+ // << "\nactualPhase: " << actualPhase << endl;
+
+ int aux = passed/timeCell;
+ if(actualPhase != aux){
+ //kdDebug() << "needWallpaperChange() => returned true" << endl;
+ actualPhase = passed/timeCell;
+ return true;
+ }
+
+ //kdDebug() << "needWallpaperChange() => returned false" << endl;
+ return false;
+}
+
+/*
+ * This method change the enabledEffect flag to TRUE of FALSE, according
+ * with multiWallpaperMode and FileName (it needs to be a XML)
+ */
+void KCrossBGRender::fixEnabled(){
+
+
+ TQString w = wallpaperList()[0];
+ useCrossEfect = false;
+ if(multiWallpaperMode() == Random || multiWallpaperMode() == InOrder){
+
+ if ( w != xmlFileName ){
+ // New XML File
+ xmlFileName = w;
+ if (w.endsWith("xml",false)){
+ initCrossFade(wallpaperList()[0]);
+ //useCrossEfect = true;
+ }else{
+ // Not, it's not a xml file
+ useCrossEfect = false;
+ }
+ }else if (w.endsWith("xml",false)){
+ //xmlFile doesn't change
+ //but it's there
+ useCrossEfect = true;
+ }else{
+ // it's not a XML file
+ useCrossEfect = false;
+ }
+ }
+}
+
+void KCrossBGRender::changeWallpaper(bool init){
+
+
+
+ fixEnabled();
+
+ if (!useCrossEfect){
+ KBackgroundRenderer::changeWallpaper(init);
+ return;
+ }
+
+ pix = getCurrentPixmap();
+
+
+}
+
+
+bool KCrossBGRender::setCurrentEvent(bool init){
+ TQTime now = TQTime::currentTime();
+
+
+ //Verify if is need to change
+ if (!(init || now <= current.stime || now >= current.etime )) {
+ return false;
+ }
+
+ TQValueList<KBGCrossEvent>::iterator it;
+ for ( it = timeList.begin(); it != timeList.end(); ++it ){
+
+ // Look for time
+ if ( ((*it).stime <= now && now <= (*it).etime) || //normal situation
+ ((*it).etime <= (*it).stime && (now >= (*it).stime ||
+ now <= (*it).etime) ) )
+ {
+ current = *it;
+ actualPhase = 0;
+
+ //kdDebug() << "Cur: " << current.stime << "< now <" << current.etime << endl;
+ return true;
+ }
+ }
+}
+
+TQPixmap KCrossBGRender::getCurrentPixmap()
+{
+ float alpha;
+ TQPixmap ret;
+ TQImage tmp;
+ TQImage p1;
+ if (!tmp.load(current.pix1))
+ return TQPixmap();
+
+ // scale the pixmap to fit in the screen
+ //p1 = TQPixmap(QApplication::desktop()->screenGeometry().size());
+ //TQPainter p(&p1);
+ //p.drawPixmap(p1.rect(), tmp);
+ //
+ p1 = tmp.smoothScale(TQApplication::desktop()->screenGeometry().size());
+
+ if (current.transition){
+ TQTime now = TQTime::currentTime();
+ double timeLeft,timeTotal;
+
+ TQImage p2;
+
+ if (!tmp.load(current.pix2) )
+ return NULL;
+
+ p2 = tmp.smoothScale(TQApplication::desktop()->screenGeometry().size());
+ //TQPainter p(&p2);
+ //p.drawPixmap(p2.rect(), tmp);
+
+ timeLeft = now.secsTo(current.etime);
+ if (timeLeft < 0)
+ timeLeft += 86400;
+ timeTotal = current.stime.secsTo(current.etime);
+ if (timeTotal < 0)
+ timeTotal += 86400;
+
+ alpha = (timeTotal - timeLeft)/timeTotal;
+
+ //ret = crossFade(p2,p1,alpha);
+ tmp = KImageEffect::blend(p2,p1,alpha);
+ ret.convertFromImage(tmp);
+ return ret;
+ }else{
+ ret.convertFromImage(p1);
+ return ret;
+ }
+
+
+}
+
+void KCrossBGRender::createStartTime(TQDomElement docElem)
+{
+ int hour;
+ int minutes;
+
+ TQDomNode n = docElem.firstChild();
+ while( !n.isNull() ) {
+ TQDomElement e = n.toElement();
+ if( !e.isNull() ) {
+ if (e.tagName() == "hour"){
+ hour = e.text().toInt();
+ }else if ( e.tagName() == "minute" ){
+ minutes = e.text().toInt();
+ }
+
+ }
+
+ n = n.nextSibling();
+ }
+ secs = hour*60*60 + minutes*60;
+}
+void KCrossBGRender::createTransition(TQDomElement docElem)
+{
+ int duration;
+ TQString from;
+ TQString to;
+
+ TQDomNode n = docElem.firstChild();
+ while( !n.isNull() ) {
+ TQDomElement e = n.toElement();
+ if( !e.isNull() ) {
+ if (e.tagName() == "duration"){
+ duration = e.text().toFloat();
+ }else if ( e.tagName() == "from" ){
+ from = e.text();
+ }
+ else if ( e.tagName() == "to" ){
+ to = e.text();
+ }
+
+ }
+ n = n.nextSibling();
+ }
+ TQTime startTime(0,0,0);
+ startTime = startTime.addSecs(secs);
+ TQTime endTime(0,0,0);
+ endTime = endTime.addSecs(secs+duration);
+
+ secs += duration;
+
+ KBGCrossEvent l = {true, from, to, startTime,endTime};
+
+ timeList.append(l);
+
+}
+void KCrossBGRender::createStatic(TQDomElement docElem)
+{
+ int duration;
+ TQString file;
+
+ TQDomNode n = docElem.firstChild();
+ while( !n.isNull() ) {
+ TQDomElement e = n.toElement();
+ if( !e.isNull() ) {
+ if (e.tagName() == "duration"){
+ duration = e.text().toFloat();
+ }else if ( e.tagName() == "file" ){
+ file = e.text();
+ }
+
+ }
+ n = n.nextSibling();
+ }
+
+ TQTime startTime(0,0,0);
+ startTime = startTime.addSecs(secs);
+ TQTime endTime(0,0,0);
+ endTime = endTime.addSecs(secs+duration);
+
+ secs += duration;
+
+ KBGCrossEvent l = {false, file, NULL, startTime,endTime};
+ timeList.append(l);
+}
+
+#include "KCrossBGRender.moc"
diff --git a/kcontrol/background/KCrossBGRender.h b/kcontrol/background/KCrossBGRender.h
new file mode 100644
index 000000000..f3c2f0931
--- /dev/null
+++ b/kcontrol/background/KCrossBGRender.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2008 Danilo Cesar Lemes de Paula <danilo@mandriva.com>
+ * Copyright (C) 2008 Gustavo Boiko <boiko@mandriva.com>
+ * Mandriva Conectiva
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+*/
+
+#ifndef __KCROSSBGRENDER_H__
+#define __KCROSSBGRENDER_H__
+
+
+#include <tqvaluelist.h>
+#include <tqpixmap.h>
+#include <tqvaluelist.h>
+#include <tqdatetime.h>
+
+#include "bgrender.h"
+
+class TQDomElement;
+
+typedef struct crossEvent{
+ bool transition;
+ TQString pix1;
+ TQString pix2;
+ TQTime stime; //start time
+ TQTime etime; //end time
+} KBGCrossEvent;
+
+
+class KCrossBGRender: public KBackgroundRenderer{
+
+TQ_OBJECT
+
+public:
+ KCrossBGRender(int desk, int screen, bool drawBackgroundPerScreen, TDEConfig *config=0);
+ ~KCrossBGRender();
+
+ bool needWallpaperChange();
+ void changeWallpaper(bool init=false);
+ TQPixmap pixmap();
+ bool usingCrossXml(){return useCrossEfect;};
+
+
+private:
+ TQPixmap pix;
+ int secs;
+ TQString xmlFileName;
+ bool useCrossEfect;
+
+ int actualPhase;
+
+ void createStartTime(TQDomElement e);
+ void createTransition(TQDomElement e);
+ void createStatic(TQDomElement e);
+ bool setCurrentEvent(bool init = false);
+ void initCrossFade(TQString xml);
+ void fixEnabled();
+ TQPixmap getCurrentPixmap();
+ KBGCrossEvent current;
+ TQValueList<KBGCrossEvent> timeList;
+};
+
+#endif // __KCROSSBGRENDER_H__
diff --git a/kcontrol/background/bgdefaults.h b/kcontrol/background/bgdefaults.h
index 8a0f2912e..d64c6e546 100644
--- a/kcontrol/background/bgdefaults.h
+++ b/kcontrol/background/bgdefaults.h
@@ -34,5 +34,6 @@
#define _defBlendMode KBackgroundSettings::NoBlending
#define _defBlendBalance 100
#define _defReverseBlending false
+#define _defCrossFadeBg false
#endif // __BGDefaults_h_Included__
diff --git a/kcontrol/background/bgdialog.cpp b/kcontrol/background/bgdialog.cpp
index 9c0cd5e1b..c221a50fe 100644
--- a/kcontrol/background/bgdialog.cpp
+++ b/kcontrol/background/bgdialog.cpp
@@ -174,6 +174,10 @@ BGDialog::BGDialog(TQWidget* parent, TDEConfig* _config, bool _multidesktop)
connect(m_cbBlendReverse, TQT_SIGNAL(toggled(bool)),
TQT_SLOT(slotBlendReverse(bool)));
+ // Crossfading background
+ connect(m_cbCrossFadeBg, TQT_SIGNAL(toggled(bool)),
+ TQT_SLOT(slotCrossFadeBg(bool)));
+
// advanced options
connect(m_buttonAdvanced, TQT_SIGNAL(clicked()),
TQT_SLOT(slotAdvanced()));
@@ -304,6 +308,7 @@ void BGDialog::makeReadOnly()
m_cbBlendReverse->setEnabled( false );
m_buttonAdvanced->setEnabled( false );
m_buttonGetNew->setEnabled( false );
+ m_cbCrossFadeBg->setEnabled( false );
}
void BGDialog::load( bool useDefaults )
@@ -781,6 +786,8 @@ void BGDialog::updateUI()
m_cbBlendReverse->setChecked(r->reverseBlending());
m_sliderBlend->setValue( r->blendBalance() / 10 );
+ m_cbCrossFadeBg->setChecked(r->crossFadeBg());
+
m_comboBlend->blockSignals(false);
m_sliderBlend->blockSignals(false);
@@ -1295,6 +1302,17 @@ void BGDialog::slotBlendReverse(bool b)
eRenderer()->start(true);
}
+void BGDialog::slotCrossFadeBg(bool b)
+{
+ if (b == eRenderer()->crossFadeBg())
+ return;
+ emit changed(true);
+
+ eRenderer()->stop();
+ eRenderer()->setCrossFadeBg(b);
+ eRenderer()->start(true);
+}
+
void BGDialog::desktopResized()
{
for (unsigned i = 0; i < m_renderer.size(); ++i)
diff --git a/kcontrol/background/bgdialog.h b/kcontrol/background/bgdialog.h
index 08dfe13be..6b33d8999 100644
--- a/kcontrol/background/bgdialog.h
+++ b/kcontrol/background/bgdialog.h
@@ -80,6 +80,7 @@ protected slots:
void slotBlendReverse(bool b);
void desktopResized();
void setBlendingEnabled(bool);
+ void slotCrossFadeBg(bool);
protected:
void getEScreen();
diff --git a/kcontrol/background/bgdialog_ui.ui b/kcontrol/background/bgdialog_ui.ui
index 3960b4009..f35e19f78 100644
--- a/kcontrol/background/bgdialog_ui.ui
+++ b/kcontrol/background/bgdialog_ui.ui
@@ -376,6 +376,17 @@
&lt;/ul&gt;&lt;/qt&gt;</string>
</property>
</widget>
+ <widget class="TQCheckBox" row="8" column="1">
+ <property name="name">
+ <cstring>m_cbCrossFadeBg</cstring>
+ </property>
+ <property name="text">
+ <string>Cross-fading background</string>
+ </property>
+ <property name="whatsThis" stdset="0">
+ <string>Enables a smooth fading effect when changing background image.</string>
+ </property>
+ </widget>
<widget class="TQComboBox" row="5" column="1">
<property name="name">
<cstring>m_comboBlend</cstring>
diff --git a/kcontrol/background/bgrender.cpp b/kcontrol/background/bgrender.cpp
index f6db68f70..5e9e4b82f 100644
--- a/kcontrol/background/bgrender.cpp
+++ b/kcontrol/background/bgrender.cpp
@@ -10,6 +10,8 @@
#include <config.h>
+#include "KCrossBGRender.h"
+
#include <time.h>
#include <stdlib.h>
#include <utime.h>
@@ -1061,7 +1063,7 @@ KVirtualBGRenderer::~KVirtualBGRenderer()
}
-KBackgroundRenderer * KVirtualBGRenderer::renderer(unsigned screen)
+KCrossBGRender * KVirtualBGRenderer::renderer(unsigned screen)
{
return m_renderer[screen];
}
@@ -1220,7 +1222,7 @@ void KVirtualBGRenderer::initRenderers()
for (unsigned i=0; i<m_numRenderers; ++i)
{
int eScreen = m_bCommonScreen ? 0 : i;
- KBackgroundRenderer * r = new KBackgroundRenderer( m_desk, eScreen, m_bDrawBackgroundPerScreen, m_pConfig );
+ KCrossBGRender *r = new KCrossBGRender(m_desk, eScreen, m_bDrawBackgroundPerScreen, m_pConfig);
m_renderer.insert( i, r );
r->setSize(renderSize(i));
connect( r, TQT_SIGNAL(imageDone(int,int)), this, TQT_SLOT(screenDone(int,int)) );
@@ -1250,7 +1252,7 @@ void KVirtualBGRenderer::screenDone(int _desk, int _screen)
Q_UNUSED(_desk);
Q_UNUSED(_screen);
- const KBackgroundRenderer * sender = dynamic_cast<const KBackgroundRenderer*>(this->sender());
+ const KCrossBGRender * sender = dynamic_cast<const KCrossBGRender*>(this->sender());
int screen = m_renderer.find(sender);
if (screen == -1)
//??
diff --git a/kcontrol/background/bgrender.h b/kcontrol/background/bgrender.h
index 56317013f..5ab1cc6c3 100644
--- a/kcontrol/background/bgrender.h
+++ b/kcontrol/background/bgrender.h
@@ -28,6 +28,7 @@ class TDEProcess;
class KTempFile;
class KShellProcess;
class TDEStandardDirs;
+class KCrossBGRender;
/**
* This class renders a desktop background to a TQImage. The operation is
@@ -127,7 +128,7 @@ public:
KVirtualBGRenderer(int desk, TDEConfig *config=0l);
~KVirtualBGRenderer();
- KBackgroundRenderer * renderer(unsigned screen);
+ KCrossBGRender * renderer(unsigned screen);
unsigned numRenderers() const { return m_numRenderers; }
TQPixmap pixmap();
@@ -173,7 +174,7 @@ private:
TQSize m_size;
TQMemArray<bool> m_bFinished;
- TQPtrVector<KBackgroundRenderer> m_renderer;
+ TQPtrVector<KCrossBGRender> m_renderer;
TQPixmap *m_pPixmap;
};
diff --git a/kcontrol/background/bgsettings.cpp b/kcontrol/background/bgsettings.cpp
index d36d7f140..f29eeacf4 100644
--- a/kcontrol/background/bgsettings.cpp
+++ b/kcontrol/background/bgsettings.cpp
@@ -437,6 +437,7 @@ KBackgroundSettings::KBackgroundSettings(int desk, int screen, bool drawBackgrou
defBlendMode = _defBlendMode;
defBlendBalance = _defBlendBalance;
defReverseBlending = _defReverseBlending;
+ defCrossFadeBg = _defCrossFadeBg;
m_MinOptimizationDepth = _defMinOptimizationDepth;
m_bShm = _defShm;
@@ -537,6 +538,7 @@ void KBackgroundSettings::copyConfig(const KBackgroundSettings *settings)
m_BlendMode = settings->m_BlendMode;
m_BlendBalance = settings->m_BlendBalance;
m_ReverseBlending = settings->m_ReverseBlending;
+ m_CrossFadeBg = settings->m_CrossFadeBg;
m_MinOptimizationDepth = settings->m_MinOptimizationDepth;
m_bShm = settings->m_bShm;
m_MultiMode = settings->m_MultiMode;
@@ -633,6 +635,15 @@ void KBackgroundSettings::setReverseBlending(bool value)
}
+void KBackgroundSettings::setCrossFadeBg(bool value)
+{
+ if (m_CrossFadeBg == value)
+ return;
+ dirty = hashdirty = true;
+ m_CrossFadeBg = value;
+}
+
+
void KBackgroundSettings::setWallpaper(TQString wallpaper)
{
dirty = hashdirty = true;
@@ -774,6 +785,8 @@ void KBackgroundSettings::readSettings(bool reparse)
m_ReverseBlending = m_pConfig->readBoolEntry( "ReverseBlending", defReverseBlending);
+ m_CrossFadeBg = m_pConfig->readBoolEntry( "CrossFadeBg", defCrossFadeBg);
+
// Multiple wallpaper config
m_WallpaperList = m_pConfig->readPathListEntry("WallpaperList");
@@ -834,6 +847,7 @@ void KBackgroundSettings::writeSettings()
m_pConfig->writeEntry("BlendMode", m_BlMRevMap[m_BlendMode]);
m_pConfig->writeEntry("BlendBalance", m_BlendBalance);
m_pConfig->writeEntry("ReverseBlending", m_ReverseBlending);
+ m_pConfig->writeEntry("CrossFadeBg", m_CrossFadeBg);
m_pConfig->writeEntry("MinOptimizationDepth", m_MinOptimizationDepth);
m_pConfig->writeEntry("UseSHM", m_bShm);
diff --git a/kcontrol/background/bgsettings.h b/kcontrol/background/bgsettings.h
index 0e16a87e9..a49873af2 100644
--- a/kcontrol/background/bgsettings.h
+++ b/kcontrol/background/bgsettings.h
@@ -8,8 +8,8 @@
* Public License. See the file "COPYING.LIB" for the exact licensing terms.
*/
-#ifndef __BGSettings_h_Included__
-#define __BGSettings_h_Included__
+#ifndef __BGSETTINGS_H__
+#define __BGSETTINGS_H__
#include <tqstringlist.h>
@@ -198,6 +198,9 @@ public:
void setReverseBlending(bool value);
bool reverseBlending() const { return m_ReverseBlending; }
+ void setCrossFadeBg(bool value);
+ bool crossFadeBg() const { return m_CrossFadeBg; }
+
void setBlendBalance(int value);
int blendBalance() const { return m_BlendBalance; }
@@ -273,6 +276,7 @@ private:
int m_BlendMode, defBlendMode;
int m_BlendBalance, defBlendBalance;
bool m_ReverseBlending, defReverseBlending;
+ bool m_CrossFadeBg, defCrossFadeBg;
int m_MinOptimizationDepth;
bool m_bShm;
bool m_bDrawBackgroundPerScreen;
@@ -369,4 +373,4 @@ private:
};
-#endif // __BGSettings_h_Included__
+#endif // __BGSETTINGS_H__
diff --git a/kcontrol/background/crossfade.h b/kcontrol/background/crossfade.h
new file mode 100644
index 000000000..dba34a3b4
--- /dev/null
+++ b/kcontrol/background/crossfade.h
@@ -0,0 +1,56 @@
+/* vi: ts=8 sts=4 sw=4
+ * kate: space-indent on; tab-width 8; indent-width 4; indent-mode cstyle;
+ *
+ * This file is part of the KDE project, module kdesktop.
+ * Copyright (C) 1999,2000 Geert Jansen <jansen@kde.org>
+ *
+ * You can Freely distribute this program under the GNU General Public
+ * License. See the file "COPYING" for the exact licensing terms.
+ */
+
+#ifndef __CROSSFADE_H__
+#define __CROSSFADE_H__
+
+#include <tqtimer.h>
+#include <tqpainter.h>
+#include <tqpixmap.h>
+#include <X11/X.h>
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+#include <X11/extensions/Xrender.h>
+#include <kdebug.h>
+#include <unistd.h>
+
+
+
+inline TQPixmap crossFade(const TQPixmap &pix1, const TQPixmap &pix2, double r_alpha,
+ bool sync = false){
+
+ TQPixmap pix = TQPixmap(1,1,8);
+ int mw,mh;
+ mw = pix1.width();
+ mh = pix1.height();
+
+ int alpha = 0xffff * (1-r_alpha);
+
+ XRenderColor clr = { 0, 0, 0, alpha };
+ XRenderPictureAttributes pa;
+ pa.repeat = True;
+ Picture pic = XRenderCreatePicture(pix.x11Display(), pix.handle(),
+ XRenderFindStandardFormat (pix.x11Display(), PictStandardA8),
+ CPRepeat, &pa);
+ XRenderFillRectangle(pix.x11Display(), PictOpSrc, pic,
+ &clr, 0, 0, 1, 1);
+ TQPixmap dst(pix1);
+ dst.detach();
+ XRenderComposite(pix.x11Display(), PictOpOver, pix2.x11RenderHandle(),
+ pic, dst.x11RenderHandle(),0,0, 0,0, 0,0, mw,mh);
+
+ if (sync) {
+ XSync(pix.x11Display(), false);
+ }
+ XRenderFreePicture(pix.x11Display(), pic);
+ return dst;
+}
+
+#endif // __CROSSFADE_H__
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