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allow user to specify offsets for externalGraphic (closes #893)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@4268 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Éric Lemoine
2007-09-13 20:36:36 +00:00
parent 68472d888b
commit ab53ba3982
5 changed files with 63 additions and 9 deletions
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2
lib/OpenLayers/Feature/Vector.js
View File

@@ -263,6 +263,8 @@ OpenLayers.Feature.Vector = OpenLayers.Class(OpenLayers.Feature, {
* - graphicWidth,
* - graphicHeight,
* - graphicOpacity
* - graphicXOffset
* - graphicYOffset
*/
OpenLayers.Feature.Vector.style = {
'default': {

12
lib/OpenLayers/Renderer/SVG.js
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@@ -184,8 +184,8 @@ OpenLayers.Renderer.SVG = OpenLayers.Class(OpenLayers.Renderer.Elements, {
if (style.externalGraphic) {
// remove old node
var id = node.getAttributeNS(null, "id");
var x = node.getAttributeNS(null, "cx");
var y = node.getAttributeNS(null, "cy");
var x = parseFloat(node.getAttributeNS(null, "cx"));
var y = parseFloat(node.getAttributeNS(null, "cy"));
var _featureId = node._featureId;
var _geometryClass = node._geometryClass;
var _style = node._style;
@@ -206,10 +206,14 @@ OpenLayers.Renderer.SVG = OpenLayers.Class(OpenLayers.Renderer.Elements, {
var height = style.graphicHeight || style.graphicWidth;
width = width ? width : style.pointRadius*2;
height = height ? height : style.pointRadius*2;
var xOffset = (style.graphicXOffset != undefined) ?
style.graphicXOffset : -(0.5 * width);
var yOffset = (style.graphicYOffset != undefined) ?
style.graphicYOffset : -(0.5 * height);
var opacity = style.graphicOpacity || style.fillOpacity;
node.setAttributeNS(null, "x", x-(.5*width).toFixed());
node.setAttributeNS(null, "y", -y-(.5*height).toFixed());
node.setAttributeNS(null, "x", (x + xOffset).toFixed());
node.setAttributeNS(null, "y", (-y + yOffset).toFixed());
node.setAttributeNS(null, "width", width);
node.setAttributeNS(null, "height", height);
node.setAttributeNS("http://www.w3.org/1999/xlink", "href", style.externalGraphic);

10
lib/OpenLayers/Renderer/VML.js
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@@ -181,9 +181,15 @@ OpenLayers.Renderer.VML = OpenLayers.Class(OpenLayers.Renderer.Elements, {
var height = style.graphicHeight || style.graphicWidth;
width = width ? width : style.pointRadius*2;
height = height ? height : style.pointRadius*2;
var resolution = this.getResolution();
node.style.left = (geometry.x/resolution-.5*width).toFixed();
node.style.top = (geometry.y/resolution-.5*height).toFixed();
var xOffset = (style.graphicXOffset != undefined) ?
style.graphicXOffset : -(0.5 * width);
var yOffset = (style.graphicYOffset != undefined) ?
style.graphicYOffset : -(0.5 * height);
node.style.left = ((geometry.x/resolution)+xOffset).toFixed();
node.style.top = ((geometry.y/resolution)-(yOffset+height)).toFixed();
node.style.width = width;
node.style.height = height;