Imports cased like the filename

2017-12-11 16:26:11 -07:00
parent 46fd03047b
commit 1cdb6a66f0
287 changed files with 1 additions and 2 deletions
--- a/src/ol/source/ImageStatic.js
+++ b/src/ol/source/ImageStatic.js
@@ -0,0 +1,95 @@
+goog.provide('ol.source.ImageStatic');
+
+goog.require('ol');
+goog.require('ol.Image');
+goog.require('ol.ImageState');
+goog.require('ol.dom');
+goog.require('ol.events');
+goog.require('ol.events.EventType');
+goog.require('ol.extent');
+goog.require('ol.proj');
+goog.require('ol.source.Image');
+
+
+/**
+ * @classdesc
+ * A layer source for displaying a single, static image.
+ *
+ * @constructor
+ * @extends {ol.source.Image}
+ * @param {olx.source.ImageStaticOptions} options Options.
+ * @api
+ */
+ol.source.ImageStatic = function(options) {
+  var imageExtent = options.imageExtent;
+
+  var crossOrigin = options.crossOrigin !== undefined ?
+    options.crossOrigin : null;
+
+  var /** @type {ol.ImageLoadFunctionType} */ imageLoadFunction =
+      options.imageLoadFunction !== undefined ?
+        options.imageLoadFunction : ol.source.Image.defaultImageLoadFunction;
+
+  ol.source.Image.call(this, {
+    attributions: options.attributions,
+    logo: options.logo,
+    projection: ol.proj.get(options.projection)
+  });
+
+  /**
+   * @private
+   * @type {ol.Image}
+   */
+  this.image_ = new ol.Image(imageExtent, undefined, 1, options.url, crossOrigin, imageLoadFunction);
+
+  /**
+   * @private
+   * @type {ol.Size}
+   */
+  this.imageSize_ = options.imageSize ? options.imageSize : null;
+
+  ol.events.listen(this.image_, ol.events.EventType.CHANGE,
+      this.handleImageChange, this);
+
+};
+ol.inherits(ol.source.ImageStatic, ol.source.Image);
+
+
+/**
+ * @inheritDoc
+ */
+ol.source.ImageStatic.prototype.getImageInternal = function(extent, resolution, pixelRatio, projection) {
+  if (ol.extent.intersects(extent, this.image_.getExtent())) {
+    return this.image_;
+  }
+  return null;
+};
+
+
+/**
+ * @inheritDoc
+ */
+ol.source.ImageStatic.prototype.handleImageChange = function(evt) {
+  if (this.image_.getState() == ol.ImageState.LOADED) {
+    var imageExtent = this.image_.getExtent();
+    var image = this.image_.getImage();
+    var imageWidth, imageHeight;
+    if (this.imageSize_) {
+      imageWidth = this.imageSize_[0];
+      imageHeight = this.imageSize_[1];
+    } else {
+      imageWidth = image.width;
+      imageHeight = image.height;
+    }
+    var resolution = ol.extent.getHeight(imageExtent) / imageHeight;
+    var targetWidth = Math.ceil(ol.extent.getWidth(imageExtent) / resolution);
+    if (targetWidth != imageWidth) {
+      var context = ol.dom.createCanvasContext2D(targetWidth, imageHeight);
+      var canvas = context.canvas;
+      context.drawImage(image, 0, 0, imageWidth, imageHeight,
+          0, 0, canvas.width, canvas.height);
+      this.image_.setImage(canvas);
+    }
+  }
+  ol.source.Image.prototype.handleImageChange.call(this, evt);
+};