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raster filters moved to pipe node in project file to allow custom fil…

…ters in future
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blazek committed Apr 19, 2013
1 parent d4d2625 commit 1f872ce69d674c2c62de3ae36a137ca99adcd34f
@@ -32,7 +32,7 @@ class QgsRasterResampleFilter : QgsRasterInterface
void setMaxOversampling( double os );
double maxOversampling() const;

void writeXML( QDomDocument& doc, QDomElement& parentElem );
void writeXML( QDomDocument& doc, QDomElement& parentElem ) const;

/**Sets base class members from xml. Usually called from create() methods of subclasses*/
void readXML( const QDomElement& resamplefilterElem );
@@ -191,7 +191,7 @@ int QgsBrightnessContrastFilter::adjustColorComponent( int colorComponent, int a
}
}

void QgsBrightnessContrastFilter::writeXML( QDomDocument& doc, QDomElement& parentElem )
void QgsBrightnessContrastFilter::writeXML( QDomDocument& doc, QDomElement& parentElem ) const
{
if ( parentElem.isNull() )
{
@@ -48,7 +48,7 @@ class CORE_EXPORT QgsBrightnessContrastFilter : public QgsRasterInterface
void setContrast( int contrast ) { mContrast = qBound( -100, contrast, 100 ); }
int contrast() const { return mContrast; }

void writeXML( QDomDocument& doc, QDomElement& parentElem );
void writeXML( QDomDocument& doc, QDomElement& parentElem ) const;

/**Sets base class members from xml. Usually called from create() methods of subclasses*/
void readXML( const QDomElement& filterElem );
@@ -333,7 +333,7 @@ void QgsHueSaturationFilter::setColorizeColor( QColor colorizeColor )
mColorizeS = mColorizeColor.saturation();
}

void QgsHueSaturationFilter::writeXML( QDomDocument& doc, QDomElement& parentElem )
void QgsHueSaturationFilter::writeXML( QDomDocument& doc, QDomElement& parentElem ) const
{
if ( parentElem.isNull() )
{
@@ -65,7 +65,7 @@ class CORE_EXPORT QgsHueSaturationFilter : public QgsRasterInterface
void setColorizeStrength( int colorizeStrength ) { mColorizeStrength = colorizeStrength; }
int colorizeStrength() const { return mColorizeStrength; }

void writeXML( QDomDocument& doc, QDomElement& parentElem );
void writeXML( QDomDocument& doc, QDomElement& parentElem ) const;

/**Sets base class members from xml. Usually called from create() methods of subclasses*/
void readXML( const QDomElement& filterElem );
@@ -2237,11 +2237,21 @@ bool QgsRasterLayer::readSymbology( const QDomNode& layer_node, QString& errorMe
Q_UNUSED( errorMessage );
QDomElement rasterRendererElem;

//rasterlayerproperties element there -> old format
if ( !layer_node.firstChildElement( "rasterproperties" ).isNull() )
// pipe element was introduced in the end of 1.9 development when there were
// already many project files in use so we support 1.9 backward compatibility
// even it was never officialy released -> use pipe element if present, otherwise
// use layer node
QDomNode pipeNode = layer_node.firstChildElement( "pipe" );
if ( pipeNode.isNull() ) // old project
{
pipeNode = layer_node;
}

//rasterlayerproperties element there -> old format (1.8 and early 1.9)
if ( !pipeNode.firstChildElement( "rasterproperties" ).isNull() )
{
//copy node because layer_node is const
QDomNode layerNodeCopy = layer_node.cloneNode();
QDomNode layerNodeCopy = pipeNode.cloneNode();
QDomDocument doc = layerNodeCopy.ownerDocument();
QDomElement rasterPropertiesElem = layerNodeCopy.firstChildElement( "rasterproperties" );
QgsProjectFileTransform::convertRasterProperties( doc, layerNodeCopy, rasterPropertiesElem,
@@ -2251,7 +2261,7 @@ bool QgsRasterLayer::readSymbology( const QDomNode& layer_node, QString& errorMe
}
else
{
rasterRendererElem = layer_node.firstChildElement( "rasterrenderer" );
rasterRendererElem = pipeNode.firstChildElement( "rasterrenderer" );
}

if ( !rasterRendererElem.isNull() )
@@ -2270,7 +2280,7 @@ bool QgsRasterLayer::readSymbology( const QDomNode& layer_node, QString& errorMe
mPipe.set( brightnessFilter );

//brightness coefficient
QDomElement brightnessElem = layer_node.firstChildElement( "brightnesscontrast" );
QDomElement brightnessElem = pipeNode.firstChildElement( "brightnesscontrast" );
if ( !brightnessElem.isNull() )
{
brightnessFilter->readXML( brightnessElem );
@@ -2281,7 +2291,7 @@ bool QgsRasterLayer::readSymbology( const QDomNode& layer_node, QString& errorMe
mPipe.set( hueSaturationFilter );

//saturation coefficient
QDomElement hueSaturationElem = layer_node.firstChildElement( "huesaturation" );
QDomElement hueSaturationElem = pipeNode.firstChildElement( "huesaturation" );
if ( !hueSaturationElem.isNull() )
{
hueSaturationFilter->readXML( hueSaturationElem );
@@ -2292,7 +2302,7 @@ bool QgsRasterLayer::readSymbology( const QDomNode& layer_node, QString& errorMe
mPipe.set( resampleFilter );

//max oversampling
QDomElement resampleElem = layer_node.firstChildElement( "rasterresampler" );
QDomElement resampleElem = pipeNode.firstChildElement( "rasterresampler" );
if ( !resampleElem.isNull() )
{
resampleFilter->readXML( resampleElem );
@@ -2472,6 +2482,20 @@ bool QgsRasterLayer::writeSymbology( QDomNode & layer_node, QDomDocument & docum
Q_UNUSED( errorMessage );
QDomElement layerElem = layer_node.toElement();

// Store pipe members (except provider) into pipe element, in future, it will be
// possible to add custom filters into the pipe
QDomElement pipeElement = document.createElement( "pipe" );

for ( int i = 1; i < mPipe.size(); i++ )
{
QgsRasterInterface * interface = mPipe.at( i );
if ( !interface ) continue;
interface->writeXML( document, pipeElement );
}

layer_node.appendChild( pipeElement );

#if 0
QgsRasterRenderer *renderer = mPipe.renderer();
if ( renderer )
{
@@ -2498,6 +2522,7 @@ bool QgsRasterLayer::writeSymbology( QDomNode & layer_node, QDomDocument & docum
QDomElement layerElem = layer_node.toElement();
resampleFilter->writeXML( document, layerElem );
}
#endif

// add blend mode node
QDomElement blendModeElement = document.createElement( "blendMode" );
@@ -220,7 +220,7 @@ QgsRasterBlock * QgsRasterResampleFilter::block( int bandNo, QgsRectangle const
return outputBlock; // No resampling
}

void QgsRasterResampleFilter::writeXML( QDomDocument& doc, QDomElement& parentElem )
void QgsRasterResampleFilter::writeXML( QDomDocument& doc, QDomElement& parentElem ) const
{
if ( parentElem.isNull() )
{
@@ -55,7 +55,7 @@ class CORE_EXPORT QgsRasterResampleFilter : public QgsRasterInterface
void setMaxOversampling( double os ) { mMaxOversampling = os; }
double maxOversampling() const { return mMaxOversampling; }

void writeXML( QDomDocument& doc, QDomElement& parentElem );
void writeXML( QDomDocument& doc, QDomElement& parentElem ) const;

/**Sets base class members from xml. Usually called from create() methods of subclasses*/
void readXML( const QDomElement& filterElem );

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