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added labelXOffset and labelYOffset symbolizer properties. Thanks madair for the original patch, and thanks jlacroix for turning it into symbolizer properties so nicely. p=jlacroix, r=me (fixes #2312)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@9755 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
ahocevar
2009-10-24 04:41:36 +00:00
parent fd514e8435
commit 839348a3b2
3 changed files with 30 additions and 3 deletions
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2
lib/OpenLayers/Feature/Vector.js
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@@ -356,6 +356,8 @@ OpenLayers.Feature.Vector = OpenLayers.Class(OpenLayers.Feature, {
* alignment. Valid values for horizontal alignment: "l"=left, "c"=center, "r"=right. Valid values for vertical
* alignment: "t"=top, "m"=middle, "b"=bottom. Example values: "lt", "cm", "rb". The canvas renderer does not
* support vertical alignment, it will always use "b".
* labelXOffset - {Number} Pixel offset along the positive x axis for displacing the label.
* labelYOffset - {Number} Pixel offset along the positive y axis for displacing the label.
* labelSelect - {Boolean} If set to true, labels will be selectable using SelectFeature or similar controls.
* Default is false.
* fontColor - {String} The font color for the label, to be provided like CSS.

9
lib/OpenLayers/Renderer.js
View File

@@ -178,7 +178,14 @@ OpenLayers.Renderer = OpenLayers.Class({
}
var rendered = this.drawGeometry(feature.geometry, style, feature.id);
if(style.display != "none" && style.label && rendered !== false) {
this.drawText(feature.id, style, feature.geometry.getCentroid());
var location = feature.geometry.getCentroid();
if(style.labelXOffset || style.labelYOffset) {
xOffset = isNaN(style.labelXOffset) ? 0 : style.labelXOffset;
yOffset = isNaN(style.labelYOffset) ? 0 : style.labelYOffset;
var res = this.getResolution();
location.move(xOffset*res, yOffset*res);
}
this.drawText(feature.id, style, location);
} else {
this.removeText(feature.id);
}