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rldhontrldhont
authoredJan 10, 2017
Merge pull request #3974 from dmarteau/cleanup_qgsrequesthandler
Remove code moved to wms service
·
ltr-3_40final-3_0_0
2 parents 37ebcdd + 869573c commit 243f01c

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‎src/server/qgsrequesthandler.cpp

Lines changed: 0 additions & 487 deletions
Original file line numberDiff line numberDiff line change
@@ -103,7 +103,6 @@ bool QgsRequestHandler::headersSent() const
103103
return mResponse.headersSent();
104104
}
105105

106-
107106
void QgsRequestHandler::appendBody( const QByteArray &body )
108107
{
109108
mResponse.write( body );
@@ -152,62 +151,6 @@ QString QgsRequestHandler::formatToMimeType( const QString& format ) const
152151
return format;
153152
}
154153

155-
void QgsRequestHandler::setGetMapResponse( const QString& service, QImage* img, int imageQuality = -1 )
156-
{
157-
Q_UNUSED( service );
158-
QgsMessageLog::logMessage( QStringLiteral( "setting getmap response..." ) );
159-
if ( img )
160-
{
161-
bool png16Bit = ( mFormatString.compare( QLatin1String( "image/png; mode=16bit" ), Qt::CaseInsensitive ) == 0 );
162-
bool png8Bit = ( mFormatString.compare( QLatin1String( "image/png; mode=8bit" ), Qt::CaseInsensitive ) == 0 );
163-
bool png1Bit = ( mFormatString.compare( QLatin1String( "image/png; mode=1bit" ), Qt::CaseInsensitive ) == 0 );
164-
if ( mFormat != QLatin1String( "PNG" ) && mFormat != QLatin1String( "JPG" ) && !png16Bit && !png8Bit && !png1Bit )
165-
{
166-
QgsMessageLog::logMessage( QStringLiteral( "service exception - incorrect image format requested..." ) );
167-
setServiceException( QgsMapServiceException( QStringLiteral( "InvalidFormat" ), "Output format '" + mFormatString + "' is not supported in the GetMap request" ) );
168-
return;
169-
}
170-
171-
//store the image in a QByteArray and set it directly
172-
QByteArray ba;
173-
QBuffer buffer( &ba );
174-
buffer.open( QIODevice::WriteOnly );
175-
176-
// Do not use imageQuality for PNG images
177-
// For now, QImage expects quality to be a range 0-9 for PNG
178-
if ( mFormat == QLatin1String( "PNG" ) )
179-
{
180-
imageQuality = -1;
181-
}
182-
183-
if ( png8Bit )
184-
{
185-
QVector<QRgb> colorTable;
186-
medianCut( colorTable, 256, *img );
187-
QImage palettedImg = img->convertToFormat( QImage::Format_Indexed8, colorTable, Qt::ColorOnly | Qt::ThresholdDither |
188-
Qt::ThresholdAlphaDither | Qt::NoOpaqueDetection );
189-
palettedImg.save( &buffer, "PNG", imageQuality );
190-
}
191-
else if ( png16Bit )
192-
{
193-
QImage palettedImg = img->convertToFormat( QImage::Format_ARGB4444_Premultiplied );
194-
palettedImg.save( &buffer, "PNG", imageQuality );
195-
}
196-
else if ( png1Bit )
197-
{
198-
QImage palettedImg = img->convertToFormat( QImage::Format_Mono, Qt::MonoOnly | Qt::ThresholdDither |
199-
Qt::ThresholdAlphaDither | Qt::NoOpaqueDetection );
200-
palettedImg.save( &buffer, "PNG", imageQuality );
201-
}
202-
else
203-
{
204-
img->save( &buffer, mFormat.toUtf8().data(), imageQuality );
205-
}
206-
207-
setHttpResponse( ba, formatToMimeType( mFormat ) );
208-
}
209-
}
210-
211154
void QgsRequestHandler::setGetCapabilitiesResponse( const QDomDocument& doc )
212155
{
213156
QByteArray ba = doc.toByteArray();
@@ -226,134 +169,6 @@ void QgsRequestHandler::setXmlResponse( const QDomDocument& doc, const QString&
226169
setHttpResponse( ba, mimeType );
227170
}
228171

229-
void QgsRequestHandler::setGetFeatureInfoResponse( const QDomDocument& infoDoc, const QString& infoFormat )
230-
{
231-
QByteArray ba;
232-
QgsMessageLog::logMessage( "Info format is:" + infoFormat );
233-
234-
if ( infoFormat == QLatin1String( "text/xml" ) || infoFormat.startsWith( QLatin1String( "application/vnd.ogc.gml" ) ) )
235-
{
236-
ba = infoDoc.toByteArray();
237-
}
238-
else if ( infoFormat == QLatin1String( "text/plain" ) || infoFormat == QLatin1String( "text/html" ) )
239-
{
240-
//create string
241-
QString featureInfoString;
242-
243-
if ( infoFormat == QLatin1String( "text/plain" ) )
244-
{
245-
featureInfoString.append( "GetFeatureInfo results\n" );
246-
featureInfoString.append( "\n" );
247-
}
248-
else if ( infoFormat == QLatin1String( "text/html" ) )
249-
{
250-
featureInfoString.append( "<HEAD>\n" );
251-
featureInfoString.append( "<TITLE> GetFeatureInfo results </TITLE>\n" );
252-
featureInfoString.append( "<meta http-equiv=\"Content-Type\" content=\"text/html;charset=utf-8\">\n" );
253-
featureInfoString.append( "</HEAD>\n" );
254-
featureInfoString.append( "<BODY>\n" );
255-
}
256-
257-
QDomNodeList layerList = infoDoc.elementsByTagName( QStringLiteral( "Layer" ) );
258-
259-
//layer loop
260-
for ( int i = 0; i < layerList.size(); ++i )
261-
{
262-
QDomElement layerElem = layerList.at( i ).toElement();
263-
if ( infoFormat == QLatin1String( "text/plain" ) )
264-
{
265-
featureInfoString.append( "Layer '" + layerElem.attribute( QStringLiteral( "name" ) ) + "'\n" );
266-
}
267-
else if ( infoFormat == QLatin1String( "text/html" ) )
268-
{
269-
featureInfoString.append( "<TABLE border=1 width=100%>\n" );
270-
featureInfoString.append( "<TR><TH width=25%>Layer</TH><TD>" + layerElem.attribute( QStringLiteral( "name" ) ) + "</TD></TR>\n" );
271-
featureInfoString.append( "</BR>" );
272-
}
273-
274-
//feature loop (for vector layers)
275-
QDomNodeList featureNodeList = layerElem.elementsByTagName( QStringLiteral( "Feature" ) );
276-
QDomElement currentFeatureElement;
277-
278-
if ( featureNodeList.size() < 1 ) //raster layer?
279-
{
280-
QDomNodeList attributeNodeList = layerElem.elementsByTagName( QStringLiteral( "Attribute" ) );
281-
for ( int j = 0; j < attributeNodeList.size(); ++j )
282-
{
283-
QDomElement attributeElement = attributeNodeList.at( j ).toElement();
284-
if ( infoFormat == QLatin1String( "text/plain" ) )
285-
{
286-
featureInfoString.append( attributeElement.attribute( QStringLiteral( "name" ) ) + " = '" +
287-
attributeElement.attribute( QStringLiteral( "value" ) ) + "'\n" );
288-
}
289-
else if ( infoFormat == QLatin1String( "text/html" ) )
290-
{
291-
featureInfoString.append( "<TR><TH>" + attributeElement.attribute( QStringLiteral( "name" ) ) + "</TH><TD>" +
292-
attributeElement.attribute( QStringLiteral( "value" ) ) + "</TD></TR>\n" );
293-
}
294-
}
295-
}
296-
else //vector layer
297-
{
298-
for ( int j = 0; j < featureNodeList.size(); ++j )
299-
{
300-
QDomElement featureElement = featureNodeList.at( j ).toElement();
301-
if ( infoFormat == QLatin1String( "text/plain" ) )
302-
{
303-
featureInfoString.append( "Feature " + featureElement.attribute( QStringLiteral( "id" ) ) + "\n" );
304-
}
305-
else if ( infoFormat == QLatin1String( "text/html" ) )
306-
{
307-
featureInfoString.append( "<TABLE border=1 width=100%>\n" );
308-
featureInfoString.append( "<TR><TH>Feature</TH><TD>" + featureElement.attribute( QStringLiteral( "id" ) ) + "</TD></TR>\n" );
309-
}
310-
//attribute loop
311-
QDomNodeList attributeNodeList = featureElement.elementsByTagName( QStringLiteral( "Attribute" ) );
312-
for ( int k = 0; k < attributeNodeList.size(); ++k )
313-
{
314-
QDomElement attributeElement = attributeNodeList.at( k ).toElement();
315-
if ( infoFormat == QLatin1String( "text/plain" ) )
316-
{
317-
featureInfoString.append( attributeElement.attribute( QStringLiteral( "name" ) ) + " = '" +
318-
attributeElement.attribute( QStringLiteral( "value" ) ) + "'\n" );
319-
}
320-
else if ( infoFormat == QLatin1String( "text/html" ) )
321-
{
322-
featureInfoString.append( "<TR><TH>" + attributeElement.attribute( QStringLiteral( "name" ) ) + "</TH><TD>" + attributeElement.attribute( QStringLiteral( "value" ) ) + "</TD></TR>\n" );
323-
}
324-
}
325-
326-
if ( infoFormat == QLatin1String( "text/html" ) )
327-
{
328-
featureInfoString.append( "</TABLE>\n</BR>\n" );
329-
}
330-
}
331-
}
332-
if ( infoFormat == QLatin1String( "text/plain" ) )
333-
{
334-
featureInfoString.append( "\n" );
335-
}
336-
else if ( infoFormat == QLatin1String( "text/html" ) )
337-
{
338-
featureInfoString.append( "</TABLE>\n<BR></BR>\n" );
339-
340-
}
341-
}
342-
if ( infoFormat == QLatin1String( "text/html" ) )
343-
{
344-
featureInfoString.append( "</BODY>\n" );
345-
}
346-
ba = featureInfoString.toUtf8();
347-
}
348-
else //unsupported format, set exception
349-
{
350-
setServiceException( QgsMapServiceException( QStringLiteral( "InvalidFormat" ), "Feature info format '" + infoFormat + "' is not supported. Possibilities are 'text/plain', 'text/html' or 'text/xml'." ) );
351-
return;
352-
}
353-
354-
setHttpResponse( ba, infoFormat );
355-
}
356-
357172
void QgsRequestHandler::setServiceException( const QgsMapServiceException& ex )
358173
{
359174
// Safety measure to avoid potential leaks if called repeatedly
@@ -378,15 +193,6 @@ void QgsRequestHandler::setServiceException( const QgsMapServiceException& ex )
378193
setHttpResponse( ba, QStringLiteral( "text/xml" ) );
379194
}
380195

381-
void QgsRequestHandler::setGetPrintResponse( QByteArray* ba )
382-
{
383-
if ( ba )
384-
{
385-
setHttpResponse( *ba, formatToMimeType( mFormat ) );
386-
}
387-
}
388-
389-
390196
bool QgsRequestHandler::startGetFeatureResponse( QByteArray* ba, const QString& infoFormat )
391197
{
392198
if ( !ba )
@@ -608,296 +414,3 @@ void QgsRequestHandler::removeParameter( const QString &key )
608414
}
609415

610416

611-
void QgsRequestHandler::medianCut( QVector<QRgb>& colorTable, int nColors, const QImage& inputImage )
612-
{
613-
QHash<QRgb, int> inputColors;
614-
imageColors( inputColors, inputImage );
615-
616-
if ( inputColors.size() <= nColors ) //all the colors in the image can be mapped to one palette color
617-
{
618-
colorTable.resize( inputColors.size() );
619-
int index = 0;
620-
QHash<QRgb, int>::const_iterator inputColorIt = inputColors.constBegin();
621-
for ( ; inputColorIt != inputColors.constEnd(); ++inputColorIt )
622-
{
623-
colorTable[index] = inputColorIt.key();
624-
++index;
625-
}
626-
return;
627-
}
628-
629-
//create first box
630-
QgsColorBox firstBox; //QList< QPair<QRgb, int> >
631-
int firstBoxPixelSum = 0;
632-
QHash<QRgb, int>::const_iterator inputColorIt = inputColors.constBegin();
633-
for ( ; inputColorIt != inputColors.constEnd(); ++inputColorIt )
634-
{
635-
firstBox.push_back( qMakePair( inputColorIt.key(), inputColorIt.value() ) );
636-
firstBoxPixelSum += inputColorIt.value();
637-
}
638-
639-
QgsColorBoxMap colorBoxMap; //QMultiMap< int, ColorBox >
640-
colorBoxMap.insert( firstBoxPixelSum, firstBox );
641-
QMap<int, QgsColorBox>::iterator colorBoxMapIt = colorBoxMap.end();
642-
643-
//split boxes until number of boxes == nColors or all the boxes have color count 1
644-
bool allColorsMapped = false;
645-
while ( colorBoxMap.size() < nColors )
646-
{
647-
//start at the end of colorBoxMap and pick the first entry with number of colors < 1
648-
colorBoxMapIt = colorBoxMap.end();
649-
while ( true )
650-
{
651-
--colorBoxMapIt;
652-
if ( colorBoxMapIt.value().size() > 1 )
653-
{
654-
splitColorBox( colorBoxMapIt.value(), colorBoxMap, colorBoxMapIt );
655-
break;
656-
}
657-
if ( colorBoxMapIt == colorBoxMap.begin() )
658-
{
659-
allColorsMapped = true;
660-
break;
661-
}
662-
}
663-
664-
if ( allColorsMapped )
665-
{
666-
break;
667-
}
668-
else
669-
{
670-
continue;
671-
}
672-
}
673-
674-
//get representative colors for the boxes
675-
int index = 0;
676-
colorTable.resize( colorBoxMap.size() );
677-
QgsColorBoxMap::const_iterator colorBoxIt = colorBoxMap.constBegin();
678-
for ( ; colorBoxIt != colorBoxMap.constEnd(); ++colorBoxIt )
679-
{
680-
colorTable[index] = boxColor( colorBoxIt.value(), colorBoxIt.key() );
681-
++index;
682-
}
683-
}
684-
685-
void QgsRequestHandler::imageColors( QHash<QRgb, int>& colors, const QImage& image )
686-
{
687-
colors.clear();
688-
int width = image.width();
689-
int height = image.height();
690-
691-
const QRgb* currentScanLine = nullptr;
692-
QHash<QRgb, int>::iterator colorIt;
693-
for ( int i = 0; i < height; ++i )
694-
{
695-
currentScanLine = ( const QRgb* )( image.scanLine( i ) );
696-
for ( int j = 0; j < width; ++j )
697-
{
698-
colorIt = colors.find( currentScanLine[j] );
699-
if ( colorIt == colors.end() )
700-
{
701-
colors.insert( currentScanLine[j], 1 );
702-
}
703-
else
704-
{
705-
colorIt.value()++;
706-
}
707-
}
708-
}
709-
}
710-
711-
void QgsRequestHandler::splitColorBox( QgsColorBox& colorBox, QgsColorBoxMap& colorBoxMap,
712-
QMap<int, QgsColorBox>::iterator colorBoxMapIt )
713-
{
714-
715-
if ( colorBox.size() < 2 )
716-
{
717-
return; //need at least two colors for a split
718-
}
719-
720-
//a,r,g,b ranges
721-
int redRange = 0;
722-
int greenRange = 0;
723-
int blueRange = 0;
724-
int alphaRange = 0;
725-
726-
if ( !minMaxRange( colorBox, redRange, greenRange, blueRange, alphaRange ) )
727-
{
728-
return;
729-
}
730-
731-
//sort color box for a/r/g/b
732-
if ( redRange >= greenRange && redRange >= blueRange && redRange >= alphaRange )
733-
{
734-
qSort( colorBox.begin(), colorBox.end(), redCompare );
735-
}
736-
else if ( greenRange >= redRange && greenRange >= blueRange && greenRange >= alphaRange )
737-
{
738-
qSort( colorBox.begin(), colorBox.end(), greenCompare );
739-
}
740-
else if ( blueRange >= redRange && blueRange >= greenRange && blueRange >= alphaRange )
741-
{
742-
qSort( colorBox.begin(), colorBox.end(), blueCompare );
743-
}
744-
else
745-
{
746-
qSort( colorBox.begin(), colorBox.end(), alphaCompare );
747-
}
748-
749-
//get median
750-
double halfSum = colorBoxMapIt.key() / 2.0;
751-
int currentSum = 0;
752-
int currentListIndex = 0;
753-
754-
QgsColorBox::iterator colorBoxIt = colorBox.begin();
755-
for ( ; colorBoxIt != colorBox.end(); ++colorBoxIt )
756-
{
757-
currentSum += colorBoxIt->second;
758-
if ( currentSum >= halfSum )
759-
{
760-
break;
761-
}
762-
++currentListIndex;
763-
}
764-
765-
if ( currentListIndex > ( colorBox.size() - 2 ) ) //if the median is contained in the last color, split one item before that
766-
{
767-
--currentListIndex;
768-
currentSum -= colorBoxIt->second;
769-
}
770-
else
771-
{
772-
++colorBoxIt; //the iterator needs to point behind the last item to remove
773-
}
774-
775-
//do split: replace old color box, insert new one
776-
QgsColorBox newColorBox1 = colorBox.mid( 0, currentListIndex + 1 );
777-
colorBoxMap.insert( currentSum, newColorBox1 );
778-
779-
colorBox.erase( colorBox.begin(), colorBoxIt );
780-
QgsColorBox newColorBox2 = colorBox;
781-
colorBoxMap.erase( colorBoxMapIt );
782-
colorBoxMap.insert( halfSum * 2.0 - currentSum, newColorBox2 );
783-
}
784-
785-
bool QgsRequestHandler::minMaxRange( const QgsColorBox& colorBox, int& redRange, int& greenRange, int& blueRange, int& alphaRange )
786-
{
787-
if ( colorBox.size() < 1 )
788-
{
789-
return false;
790-
}
791-
792-
int rMin = INT_MAX;
793-
int gMin = INT_MAX;
794-
int bMin = INT_MAX;
795-
int aMin = INT_MAX;
796-
int rMax = INT_MIN;
797-
int gMax = INT_MIN;
798-
int bMax = INT_MIN;
799-
int aMax = INT_MIN;
800-
801-
int currentRed = 0;
802-
int currentGreen = 0;
803-
int currentBlue = 0;
804-
int currentAlpha = 0;
805-
806-
QgsColorBox::const_iterator colorBoxIt = colorBox.constBegin();
807-
for ( ; colorBoxIt != colorBox.constEnd(); ++colorBoxIt )
808-
{
809-
currentRed = qRed( colorBoxIt->first );
810-
if ( currentRed > rMax )
811-
{
812-
rMax = currentRed;
813-
}
814-
if ( currentRed < rMin )
815-
{
816-
rMin = currentRed;
817-
}
818-
819-
currentGreen = qGreen( colorBoxIt->first );
820-
if ( currentGreen > gMax )
821-
{
822-
gMax = currentGreen;
823-
}
824-
if ( currentGreen < gMin )
825-
{
826-
gMin = currentGreen;
827-
}
828-
829-
currentBlue = qBlue( colorBoxIt->first );
830-
if ( currentBlue > bMax )
831-
{
832-
bMax = currentBlue;
833-
}
834-
if ( currentBlue < bMin )
835-
{
836-
bMin = currentBlue;
837-
}
838-
839-
currentAlpha = qAlpha( colorBoxIt->first );
840-
if ( currentAlpha > aMax )
841-
{
842-
aMax = currentAlpha;
843-
}
844-
if ( currentAlpha < aMin )
845-
{
846-
aMin = currentAlpha;
847-
}
848-
}
849-
850-
redRange = rMax - rMin;
851-
greenRange = gMax - gMin;
852-
blueRange = bMax - bMin;
853-
alphaRange = aMax - aMin;
854-
return true;
855-
}
856-
857-
bool QgsRequestHandler::redCompare( QPair<QRgb, int> c1, QPair<QRgb, int> c2 )
858-
{
859-
return qRed( c1.first ) < qRed( c2.first );
860-
}
861-
862-
bool QgsRequestHandler::greenCompare( QPair<QRgb, int> c1, QPair<QRgb, int> c2 )
863-
{
864-
return qGreen( c1.first ) < qGreen( c2.first );
865-
}
866-
867-
bool QgsRequestHandler::blueCompare( QPair<QRgb, int> c1, QPair<QRgb, int> c2 )
868-
{
869-
return qBlue( c1.first ) < qBlue( c2.first );
870-
}
871-
872-
bool QgsRequestHandler::alphaCompare( QPair<QRgb, int> c1, QPair<QRgb, int> c2 )
873-
{
874-
return qAlpha( c1.first ) < qAlpha( c2.first );
875-
}
876-
877-
QRgb QgsRequestHandler::boxColor( const QgsColorBox& box, int boxPixels )
878-
{
879-
double avRed = 0;
880-
double avGreen = 0;
881-
double avBlue = 0;
882-
double avAlpha = 0;
883-
QRgb currentColor;
884-
int currentPixel;
885-
886-
double weight;
887-
888-
QgsColorBox::const_iterator colorBoxIt = box.constBegin();
889-
for ( ; colorBoxIt != box.constEnd(); ++colorBoxIt )
890-
{
891-
currentColor = colorBoxIt->first;
892-
currentPixel = colorBoxIt->second;
893-
weight = ( double )currentPixel / boxPixels;
894-
avRed += ( qRed( currentColor ) * weight );
895-
avGreen += ( qGreen( currentColor ) * weight );
896-
avBlue += ( qBlue( currentColor ) * weight );
897-
avAlpha += ( qAlpha( currentColor ) * weight );
898-
}
899-
900-
return qRgba( avRed, avGreen, avBlue, avAlpha );
901-
}
902-
903-

‎src/server/qgsrequesthandler.h

Lines changed: 0 additions & 24 deletions
Original file line numberDiff line numberDiff line change
@@ -54,17 +54,9 @@ class SERVER_EXPORT QgsRequestHandler
5454
explicit QgsRequestHandler( QgsServerRequest& request, QgsServerResponse& response );
5555
~QgsRequestHandler();
5656

57-
/** Sends the map image back to the client
58-
* @note not available in Python bindings
59-
*/
60-
void setGetMapResponse( const QString& service, QImage* img, int imageQuality );
61-
6257
//! @note not available in Python bindings
6358
void setGetCapabilitiesResponse( const QDomDocument& doc );
6459

65-
//! @note not available in Python bindings
66-
void setGetFeatureInfoResponse( const QDomDocument& infoDoc, const QString& infoFormat );
67-
6860
//! Allow plugins to return a QgsMapServiceException
6961
void setServiceException( const QgsMapServiceException &ex );
7062

@@ -74,9 +66,6 @@ class SERVER_EXPORT QgsRequestHandler
7466
//! @note not available in Python bindings
7567
void setXmlResponse( const QDomDocument& doc, const QString& mimeType );
7668

77-
//! @note not available in Python bindings
78-
void setGetPrintResponse( QByteArray* ba );
79-
8069
//! @note not available in Python bindings
8170
bool startGetFeatureResponse( QByteArray* ba, const QString& infoFormat );
8271

@@ -160,19 +149,6 @@ class SERVER_EXPORT QgsRequestHandler
160149

161150
void setupParameters();
162151

163-
static void medianCut( QVector<QRgb>& colorTable, int nColors, const QImage& inputImage );
164-
static void imageColors( QHash<QRgb, int>& colors, const QImage& image );
165-
static void splitColorBox( QgsColorBox& colorBox, QgsColorBoxMap& colorBoxMap,
166-
QMap<int, QgsColorBox>::iterator colorBoxMapIt );
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static bool minMaxRange( const QgsColorBox& colorBox, int& redRange, int& greenRange, int& blueRange, int& alphaRange );
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static bool redCompare( QPair<QRgb, int> c1, QPair<QRgb, int> c2 );
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static bool greenCompare( QPair<QRgb, int> c1, QPair<QRgb, int> c2 );
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static bool blueCompare( QPair<QRgb, int> c1, QPair<QRgb, int> c2 );
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static bool alphaCompare( QPair<QRgb, int> c1, QPair<QRgb, int> c2 );
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//! Calculates a representative color for a box (pixel weighted average)
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static QRgb boxColor( const QgsColorBox& box, int boxPixels );
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// TODO: if HAVE_SERVER_PYTHON
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176152
//! This is set by the parseInput methods of the subclasses (parameter FORMAT, e.g. 'FORMAT=PNG')
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QString mFormat;
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QString mFormatString; //format string as it is passed in the request (with base)

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