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implement TextSymbolizer->PointPlacement

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This commit is contained in:
Bart van den Eijnden
2012-02-24 14:58:36 +01:00
parent 8ce712adb6
commit 6411a6c0ef
3 changed files with 139 additions and 0 deletions
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126
lib/OpenLayers/Format/SLD/v1.js
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@@ -220,6 +220,64 @@ OpenLayers.Format.SLD.v1 = OpenLayers.Class(OpenLayers.Format.Filter.v1_0_0, {
);
}
},
"LabelPlacement": function(node, symbolizer) {
this.readChildNodes(node, symbolizer);
},
"PointPlacement": function(node, symbolizer) {
this.readChildNodes(node, symbolizer);
var labelAlign,
x = symbolizer.labelAnchorPointX,
y = symbolizer.labelAnchorPointY;
if (x <= 1/3) {
labelAlign = 'l';
} else if (x > 1/3 && x < 2/3) {
labelAlign = 'c';
} else if (x >= 2/3) {
labelAlign = 'r';
}
if (y <= 1/3) {
labelAlign += 'b';
} else if (y > 1/3 && y < 2/3) {
labelAlign += 'm';
} else if (x >= 2/3) {
labelAlign += 't';
}
symbolizer.labelAlign = labelAlign;
},
"AnchorPoint": function(node, symbolizer) {
this.readChildNodes(node, symbolizer);
},
"AnchorPointX": function(node, symbolizer) {
var labelAnchorPointX = this.readers.ogc._expression.call(this, node);
// always string, could be empty string
if(labelAnchorPointX) {
symbolizer.labelAnchorPointX = labelAnchorPointX;
}
},
"AnchorPointY": function(node, symbolizer) {
var labelAnchorPointY = this.readers.ogc._expression.call(this, node);
// always string, could be empty string
if(labelAnchorPointY) {
symbolizer.labelAnchorPointY = labelAnchorPointY;
}
},
"Displacement": function(node, symbolizer) {
this.readChildNodes(node, symbolizer);
},
"DisplacementX": function(node, symbolizer) {
var labelXOffset = this.readers.ogc._expression.call(this, node);
// always string, could be empty string
if(labelXOffset) {
symbolizer.labelXOffset = labelXOffset;
}
},
"DisplacementY": function(node, symbolizer) {
var labelYOffset = this.readers.ogc._expression.call(this, node);
// always string, could be empty string
if(labelYOffset) {
symbolizer.labelYOffset = labelYOffset;
}
},
"Label": function(node, symbolizer) {
var value = this.readers.ogc._expression.call(this, node);
if (value) {
@@ -881,6 +939,11 @@ OpenLayers.Format.SLD.v1 = OpenLayers.Class(OpenLayers.Format.Filter.v1_0_0, {
symbolizer.fontStyle != null) {
this.writeNode("Font", symbolizer, node);
}
// add in optional LabelPlacement
if (symbolizer.labelAnchorPointX != null ||
symbolizer.labelAnchorPointY != null) {
this.writeNode("LabelPlacement", symbolizer, node);
}
// add in optional Halo
if(symbolizer.haloRadius != null ||
symbolizer.haloColor != null ||
@@ -894,6 +957,69 @@ OpenLayers.Format.SLD.v1 = OpenLayers.Class(OpenLayers.Format.Filter.v1_0_0, {
}
return node;
},
"LabelPlacement": function(symbolizer) {
var node = this.createElementNSPlus("sld:LabelPlacement");
if (symbolizer.labelAnchorPointX != null ||
symbolizer.labelAnchorPointY != null) {
this.writeNode("PointPlacement", symbolizer, node);
}
return node;
},
"PointPlacement": function(symbolizer) {
var node = this.createElementNSPlus("sld:PointPlacement");
if (symbolizer.labelAnchorPointX != null ||
symbolizer.labelAnchorPointY != null) {
this.writeNode("AnchorPoint", symbolizer, node);
}
if (symbolizer.labelXOffset != null ||
symbolizer.labelYOffset != null) {
this.writeNode("Displacement", symbolizer, node);
}
if (symbolizer.rotation != null) {
this.writeNode("Rotation", symbolizer.rotation, node);
}
return node;
},
"AnchorPoint": function(symbolizer) {
var node = this.createElementNSPlus("sld:AnchorPoint");
if (symbolizer.labelAnchorPointX != null) {
this.writeNode("AnchorPointX", symbolizer.labelAnchorPointX, node);
}
if (symbolizer.labelAnchorPointY != null) {
this.writeNode("AnchorPointY", symbolizer.labelAnchorPointY, node);
}
return node;
},
"AnchorPointX": function(value) {
return this.createElementNSPlus("sld:AnchorPointX", {
value: value
});
},
"AnchorPointY": function(value) {
return this.createElementNSPlus("sld:AnchorPointY", {
value: value
});
},
"Displacement": function(symbolizer) {
var node = this.createElementNSPlus("sld:Displacement");
if (symbolizer.labelXOffset != null) {
this.writeNode("DisplacementX", symbolizer.labelXOffset, node);
}
if (symbolizer.labelYOffset != null) {
this.writeNode("DisplacementY", symbolizer.labelYOffset, node);
}
return node;
},
"DisplacementX": function(value) {
return this.createElementNSPlus("sld:DisplacementX", {
value: value
});
},
"DisplacementY": function(value) {
return this.createElementNSPlus("sld:DisplacementY", {
value: value
});
},
"Font": function(symbolizer) {
var node = this.createElementNSPlus("sld:Font");
// add in CssParameters