22 #include <QRegularExpression>
41 static const QSet<QString> sFilter
43 QStringLiteral(
"REQUEST" ),
44 QStringLiteral(
"VERSION" ),
45 QStringLiteral(
"SERVICE" ),
46 QStringLiteral(
"LAYERS" ),
47 QStringLiteral(
"STYLES" ),
48 QStringLiteral(
"SLD_VERSION" ),
49 QStringLiteral(
"_DC" )
55 const QList<QPair<QString, QString> > queryItems = q.queryItems();
56 for (
const QPair<QString, QString> ¶m : queryItems )
58 if ( sFilter.contains( param.first.toUpper() ) )
59 q.removeAllQueryItems( param.first );
71 if ( format.compare( QLatin1String(
"png" ), Qt::CaseInsensitive ) == 0 ||
72 format.compare( QLatin1String(
"image/png" ), Qt::CaseInsensitive ) == 0 )
76 else if ( format.compare( QLatin1String(
"jpg " ), Qt::CaseInsensitive ) == 0 ||
77 format.compare( QLatin1String(
"image/jpeg" ), Qt::CaseInsensitive ) == 0 )
81 else if ( format.compare( QLatin1String(
"webp" ), Qt::CaseInsensitive ) == 0 ||
82 format.compare( QLatin1String(
"image/webp" ), Qt::CaseInsensitive ) == 0 )
89 const QRegularExpression modeExpr = QRegularExpression( QStringLiteral(
"image/png\\s*;\\s*mode=([^;]+)" ),
90 QRegularExpression::CaseInsensitiveOption );
92 const QRegularExpressionMatch match = modeExpr.match( format );
93 const QString mode = match.captured( 1 );
94 if ( mode.compare( QLatin1String(
"16bit" ), Qt::CaseInsensitive ) == 0 )
96 if ( mode.compare( QLatin1String(
"8bit" ), Qt::CaseInsensitive ) == 0 )
98 if ( mode.compare( QLatin1String(
"1bit" ), Qt::CaseInsensitive ) == 0 )
113 switch ( outputFormat )
117 contentType =
"image/png";
122 QVector<QRgb> colorTable;
127 const QImage img256 = img.convertToFormat( QImage::Format_ARGB32 );
129 result = img256.convertToFormat( QImage::Format_Indexed8, colorTable,
130 Qt::ColorOnly | Qt::ThresholdDither |
131 Qt::ThresholdAlphaDither | Qt::NoOpaqueDetection );
133 contentType =
"image/png";
137 result = img.convertToFormat( QImage::Format_ARGB4444_Premultiplied );
138 contentType =
"image/png";
142 result = img.convertToFormat( QImage::Format_Mono,
143 Qt::MonoOnly | Qt::ThresholdDither |
144 Qt::ThresholdAlphaDither | Qt::NoOpaqueDetection );
145 contentType =
"image/png";
150 contentType =
"image/jpeg";
155 contentType = QStringLiteral(
"image/webp" );
156 saveFormat = QStringLiteral(
"WEBP" );
165 result.setDotsPerMeterX( img.dotsPerMeterX() );
166 result.setDotsPerMeterY( img.dotsPerMeterY() );
168 if ( outputFormat !=
UNKN )
170 response.
setHeader(
"Content-Type", contentType );
171 if ( saveFormat == QLatin1String(
"JPEG" ) || saveFormat == QLatin1String(
"WEBP" ) )
173 result.save( response.
io(), qPrintable( saveFormat ), imageQuality );
177 result.save( response.
io(), qPrintable( saveFormat ) );
183 parameter.
mValue = formatStr;
static void logMessage(const QString &message, const QString &tag=QString(), Qgis::MessageLevel level=Qgis::MessageLevel::Warning, bool notifyUser=true)
Adds a message to the log instance (and creates it if necessary).
Encapsulates a QGIS project, including sets of map layers and their styles, layouts,...
static QgsProject * instance()
Returns the QgsProject singleton instance.
QgsServerRequest Class defining request interface passed to services QgsService::executeRequest() met...
QUrl originalUrl() const
Returns the request url as seen by the web server, by default this is equal to the url seen by QGIS s...
QgsServerResponse Class defining response interface passed to services QgsService::executeRequest() m...
virtual void setHeader(const QString &key, const QString &value)=0
Set Header entry Add Header entry to the response Note that it is usually an error to set Header afte...
virtual QIODevice * io()=0
Returns the underlying QIODevice.
Provides a way to retrieve settings by prioritizing according to environment variables,...
Exception thrown in case of malformed request.
WMS parameter received from the client.
SERVER_EXPORT QString wmsServiceUrl(const QgsProject &project, const QgsServerRequest &request=QgsServerRequest(), const QgsServerSettings &settings=QgsServerSettings())
Returns the WMS service url.
Median cut implementation.
void writeImage(QgsServerResponse &response, QImage &img, const QString &formatStr, int imageQuality)
Write image response.
void medianCut(QVector< QRgb > &colorTable, int nColors, const QImage &inputImage)
Median cut implementation used when reducing RGB colors to palletized colors.
ImageOutputFormat
Supported image output format.
ImageOutputFormat parseImageFormat(const QString &format)
Parse image format parameter.
QUrl serviceUrl(const QgsServerRequest &request, const QgsProject *project, const QgsServerSettings &settings)
Returns WMS service URL.