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call layer.getImageSize with the tile bounds to support layer implementations

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with different tile sizes at the extent edges. p=klokan, r=me (closes #2324)


git-svn-id: http://svn.openlayers.org/trunk/openlayers@9756 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
ahocevar
2009-10-24 05:11:51 +00:00
parent 839348a3b2
commit a864838e96
2 changed files with 9 additions and 4 deletions
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7
lib/OpenLayers/Layer.js
View File

@@ -555,12 +555,17 @@ OpenLayers.Layer = OpenLayers.Class({
/**
* APIMethod: getImageSize
*
* Parameters:
* bounds - {<OpenLayers.Bounds>} optional tile bounds, can be used
* by subclasses that have to deal with different tile sizes at the
* layer extent edges (e.g. Zoomify)
*
* Returns:
* {<OpenLayers.Size>} The size that the image should be, taking into
* account gutters.
*/
getImageSize: function() {
getImageSize: function(bounds) {
return (this.imageSize || this.tileSize);
},

6
lib/OpenLayers/Tile/Image.js
View File

@@ -263,7 +263,7 @@ OpenLayers.Tile.Image = OpenLayers.Class(OpenLayers.Tile, {
this.backBufferTile.position = this.position;
this.backBufferTile.bounds = this.bounds;
this.backBufferTile.size = this.size;
this.backBufferTile.imageSize = this.layer.imageSize || this.size;
this.backBufferTile.imageSize = this.layer.getImageSize(this.bounds) || this.size;
this.backBufferTile.imageOffset = this.layer.imageOffset;
this.backBufferTile.resolution = this.layer.getResolution();
this.backBufferTile.renderTile();
@@ -324,7 +324,7 @@ OpenLayers.Tile.Image = OpenLayers.Class(OpenLayers.Tile, {
OpenLayers.Util.modifyDOMElement(this.frame,
null, this.position, this.size);
var imageSize = this.layer.getImageSize();
var imageSize = this.layer.getImageSize(this.bounds);
if (this.layerAlphaHack) {
OpenLayers.Util.modifyAlphaImageDiv(this.imgDiv,
null, null, imageSize, this.url);
@@ -356,7 +356,7 @@ OpenLayers.Tile.Image = OpenLayers.Class(OpenLayers.Tile, {
initImgDiv: function() {
var offset = this.layer.imageOffset;
var size = this.layer.getImageSize();
var size = this.layer.getImageSize(this.bounds);
if (this.layerAlphaHack) {
this.imgDiv = OpenLayers.Util.createAlphaImageDiv(null,