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added support for text labels. This also adds getCentroid methods to all

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geometries. Thanks crschmidt for the great help with this patch, and 
thanks to camptocamp for the initial work on this and rcoup for creating 
the first patches. r=crschmidt (closes #1895)


git-svn-id: http://svn.openlayers.org/trunk/openlayers@9262 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
ahocevar
2009-04-10 16:05:26 +00:00
parent dd556be0be
commit cc2e19d789
15 changed files with 560 additions and 50 deletions
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11
lib/OpenLayers/Feature/Vector.js
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@@ -339,6 +339,17 @@ OpenLayers.Feature.Vector = OpenLayers.Class(OpenLayers.Feature, {
* backgroundYOffset - {Number} The y offset (in pixels) for the background graphic.
* backgroundHeight - {Number} The height of the background graphic. If not provided, the graphicHeight will be used.
* backgroundWidth - {Number} The width of the background width. If not provided, the graphicWidth will be used.
* label - {String} The text for an optional label. For browsers that use the canvas renderer, this requires either
* fillText or mozDrawText to be available.
* labelAlign - {String} Label alignment. This specifies the insertion point relative to the text. It is a string
* composed of two characters. The first character is for the horizontal alignment, the second for the vertical
* 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".
* fontColor - {String} The font color for the label, to be provided like CSS.
* fontFamily - {String} The font family for the label, to be provided like in CSS.
* fontSize - {String} The font size for the label, to be provided like in CSS.
* fontWeight - {String} The font weight for the label, to be provided like in CSS.
* display - {String} Symbolizers will have no effect if display is set to "none". All other values have no effect.
*/
OpenLayers.Feature.Vector.style = {