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Merge pull request #6285 from tudorbarascu/dpi

fix server issue for double devicePixelRatio leading to DPI requests with decimals
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rldhont committed Feb 12, 2018
2 parents 6096e5c + fbc6e4d commit a9d61ff508dfef11dbc71689d8b8ad4bee8638e5
@@ -685,9 +685,9 @@ namespace QgsWms
return value( ParameterName::DPI ).toString();
}

int QgsWmsParameters::dpiAsInt() const
double QgsWmsParameters::dpiAsDouble() const
{
return toInt( ParameterName::DPI );
return toDouble( ParameterName::DPI );
}

QString QgsWmsParameters::version() const
@@ -892,7 +892,7 @@ namespace QgsWms
* \returns dpi parameter
* \throws QgsBadRequestException
*/
int dpiAsInt() const;
double dpiAsDouble() const;

/**
* Returns TEMPLATE parameter or an empty string if not defined.
@@ -1046,7 +1046,7 @@ namespace QgsWms
double OGC_PX_M = 0.00028; // OGC reference pixel size in meter, also used by qgis
int dpm = 1 / OGC_PX_M;
if ( !mWmsParameters.dpi().isEmpty() )
dpm = mWmsParameters.dpiAsInt() / 0.0254;
dpm = mWmsParameters.dpiAsDouble() / 0.0254;

image->setDotsPerMeterX( dpm );
image->setDotsPerMeterY( dpm );
@@ -184,6 +184,25 @@ def test_wms_getmap_basic(self):
r, h = self._result(self._execute_request(qs))
self._img_diff_error(r, h, "WMS_GetMap_Basic4")

def test_wms_getmap_dpi(self):
qs = "?" + "&".join(["%s=%s" % i for i in list({
"MAP": urllib.parse.quote(self.projectPath),
"SERVICE": "WMS",
"VERSION": "1.1.1",
"REQUEST": "GetMap",
"LAYERS": "Country",
"STYLES": "",
"FORMAT": "image/png",
"BBOX": "-16817707,-4710778,5696513,14587125",
"HEIGHT": "500",
"WIDTH": "500",
"CRS": "EPSG:3857",
"DPI": "112.5"
}.items())])

r, h = self._result(self._execute_request(qs))
self._img_diff_error(r, h, "WMS_GetMap_Basic5")

def test_wms_getmap_invalid_parameters(self):
# height should be an int
qs = "?" + "&".join(["%s=%s" % i for i in list({
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