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/* |
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A jquery widget for selecting area and a focus area of an image. |
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It's based of the widget here: |
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http://code.tutsplus.com/tutorials/how-to-create-a-jquery-image-cropping-plugin-from-scratch-part-i--net-20994 |
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http://code.tutsplus.com/tutorials/how-to-create-a-jquery-image-cropping-plugin-from-scratch-part-ii--net-21092 |
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*/ |
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(function ($) { |
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$.imageCrop = function (object, customOptions) { |
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cropper = { |
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defaultOptions: { |
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aspectRatio: 0, |
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displaySizeHint: false, |
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minSelect: [0, 0], |
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minSize: [0, 0], |
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maxSize: [0, 0], |
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outlineOpacity: 0.5, |
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overlayOpacity: 0.5, |
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previewBoundary: 90, |
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previewFadeOnBlur: 1, |
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previewFadeOnFocus: 0.35, |
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selectionPosition: [0, 0], |
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selectionWidth: 0, |
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selectionHeight: 0, |
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focusPosition: [0, 0], |
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focusWidth: 0, |
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focusHeight: 0, |
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cropInputselector: '.crop-focus-coordinates input', |
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onChange: function () { |
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}, |
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onSelect: function () { |
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} |
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}, |
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$trigger: '', |
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$outline: '', |
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$overlay: '', |
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$selection: '', |
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$image: '', |
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$holder: '', |
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$nwCropResizer: '', |
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$neCropResizer: '', |
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$swCropResizer: '', |
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$seCropResizer: '', |
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$nwFocusResizer: '', |
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$neFocusResizer: '', |
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$swFocusResizer: '', |
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$seFocusResizer: '', |
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$focusDestroyer: '', |
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// Options array. |
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options: [], |
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// Initialize global variables. |
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naturalWidth: 0, |
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naturalHeight: 0, |
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resizeHorizontally: true, |
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resizeVertically: true, |
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selectionExists: '', |
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selectionOffset: [0, 0], |
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selectionOrigin: [0, 0], |
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focusExists: '', |
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focusOrigin: [0, 0], |
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init: function (object, customOptions) { |
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// Set options to default. |
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this.options = this.defaultOptions; |
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// And merge them with the custom options |
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setOptions(customOptions); |
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// Merge current options with the custom option. |
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function setOptions(customOptions) { |
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this.options = $.extend(this.options, customOptions); |
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} |
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// Initialize the image |
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this.$image = $(object); |
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// Initialize an image holder |
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this.$holder = $('<div></div>') |
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.css({ |
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position: 'relative' |
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}) |
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.width(this.$image.width()) |
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.height(this.$image.height()); |
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// Wrap the holder around the image |
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this.$image.wrap(this.$holder) |
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.css({ |
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position: 'absolute' |
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}); |
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// Initialize an overlay layer and place it above the image |
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this.$overlay = $('<div id="image-crop-overlay"></div>') |
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.css({ |
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opacity: this.options.overlayOpacity, |
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}) |
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.width(this.$image.width()) |
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.height(this.$image.height()) |
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.insertAfter(this.$image); |
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// Initialize a trigger layer and place it above the overlay layer |
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this.$trigger = $('<div></div>') |
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.css({ |
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backgroundColor: '#000000', |
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opacity: 0, |
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position: 'absolute' |
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}) |
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.width(this.$image.width()) |
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.height(this.$image.height()) |
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.insertAfter(this.$overlay); |
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// Initialize an outline layer and place it above the trigger layer |
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this.$outline = $('<div id="image-crop-outline"></div>') |
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.css({ |
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opacity: this.options.outlineOpacity, |
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}) |
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.insertAfter(this.$trigger); |
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// Initialize a selection layer and place it above the outline layer |
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this.$selection = $('<div></div>') |
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.css({ |
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background: 'url(' + this.$image.attr('src') + ') no-repeat', |
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backgroundSize: this.$image.width() + 'px auto', |
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position: 'absolute' |
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}) |
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.insertAfter(this.$outline); |
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// Initialize a resize handlers and place in the inferface. |
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this.$nwCropResizer = $('<div class="image-crop-resize-handler" id="image-crop-nw-resize-handler"></div>') |
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.insertAfter(this.$selection); |
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this.$neCropResizer = $('<div class="image-crop-resize-handler" id="image-crop-ne-resize-handler"></div>') |
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.insertAfter(this.$selection); |
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this.$swCropResizer = $('<div class="image-crop-resize-handler" id="image-crop-sw-resize-handler"></div>') |
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.insertAfter(this.$selection); |
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this.$seCropResizer = $('<div class="image-crop-resize-handler" id="image-crop-se-resize-handler"></div>') |
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.insertAfter(this.$selection); |
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// Add the elements for focus selection |
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// Initialize a selection layer and place it above the outline layer |
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this.$focusSelection = $('<div></div>') |
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.css({ |
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// backgroundSize: '970px auto', |
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position: 'absolute' |
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}) |
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.addClass('image-focus-rectangle') |
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.insertAfter(this.$seCropResizer) |
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.append('<a class="focus-destroyer">x</a>'); |
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this.$focusDestroyer = $('.focus-destroyer'); |
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// Initialize a north/west resize handler and place it above the selection layer |
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this.$nwFocusResizer = $('<div class="image-focus-resize-handler" id="image-focus-nw-resize-handler"></div>') |
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.insertAfter(this.$focusSelection); |
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// Initialize a north/east resize handler and place it above the selection layer |
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this.$neFocusResizer = $('<div class="image-focus-resize-handler" id="image-focus-ne-resize-handler"></div>') |
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.insertAfter(this.$focusSelection); |
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// Initialize a south/west resize handler and place it above the selection layer |
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this.$swFocusResizer = $('<div class="image-focus-resize-handler" id="image-focus-sw-resize-handler"></div>') |
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.insertAfter(this.$focusSelection); |
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// Initialize a south/east resize handler and place it above the selection layer |
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this.$seFocusResizer = $('<div class="image-focus-resize-handler" id="image-focus-se-resize-handler"></div>') |
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.insertAfter(this.$focusSelection); |
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// Verify if the selection size is bigger than the minimum accepted |
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// and set the selection existence accordingly |
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if (this.options.selectionWidth > this.options.minSelect[0] && |
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this.options.selectionHeight > this.options.minSelect[1]) |
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this.selectionExists = true; |
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else |
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this.selectionExists = false; |
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// initialize the plug-in interface |
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this.setNaturalDimensions(); |
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this.addRectangles(); |
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this.updateInterface(); |
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this.$trigger.mousedown(this.setCrop); |
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this.$selection.mousedown(this.pickSelection); |
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$('div.image-crop-resize-handler, div.image-focus-resize-handler').mousedown(this.pickResizeHandler); |
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// Add click event to the focus destroyer. |
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this.$focusDestroyer.click(function () { |
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cropper.removeFocus(); |
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return false; |
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}); |
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}, |
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setNaturalDimensions: function () { |
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var theImage = new Image(); |
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theImage.src = this.$image.attr("src"); |
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this.naturalWidth = theImage.width; |
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this.naturalHeight = theImage.height; |
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}, |
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// Get the current offset of an element |
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getElementOffset: function (object) { |
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var offset = $(object).offset(); |
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return [offset.left, offset.top]; |
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}, |
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// Update the overlay layer |
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updateOverlayLayer: function () { |
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this.$overlay.css({ |
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display: this.selectionExists ? 'block' : 'none' |
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}); |
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}, |
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// Get the current mouse position relative to the image position |
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getMousePosition: function (event) { |
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var imageOffset = this.getElementOffset(this.$image); |
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var x = event.pageX - imageOffset[0], |
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y = event.pageY - imageOffset[1]; |
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x = (x < 0) ? 0 : (x > this.$image.width()) ? this.$image.width() : x; |
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y = (y < 0) ? 0 : (y > this.$image.height()) ? this.$image.height() : y; |
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return [x, y]; |
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}, |
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// Update the trigger layer |
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updateTriggerLayer: function () { |
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this.$trigger.css({ |
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cursor: 'crosshair', |
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}); |
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}, |
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// Update the selection |
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updateCrop: function () { |
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// Update the outline layer |
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this.$outline.css({ |
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cursor: 'default', |
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display: this.selectionExists ? 'block' : 'none', |
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left: this.options.selectionPosition[0], |
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top: this.options.selectionPosition[1] |
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}) |
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.width(this.options.selectionWidth) |
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.height(this.options.selectionHeight); |
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// Update the selection layer |
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this.$selection.css({ |
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backgroundPosition: ( -this.options.selectionPosition[0] - 1) + 'px ' + ( -this.options.selectionPosition[1] - 1) + 'px', |
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cursor: 'move', |
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display: this.selectionExists ? 'block' : 'none', |
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left: this.options.selectionPosition[0] + 1, |
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top: this.options.selectionPosition[1] + 1 |
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}) |
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.width((this.options.selectionWidth - 2 > 0) ? (this.options.selectionWidth - 2) : 0) |
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.height((this.options.selectionHeight - 2 > 0) ? (this.options.selectionHeight - 2) : 0); |
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// Update the forcus rectangle |
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this.$focusSelection.css({ |
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backgroundPosition: ( -this.options.focusPosition[0] - 1) + 'px ' + ( -this.options.focusPosition[1] - 1) + 'px', |
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cursor: 'move', |
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display: this.focusExists ? 'block' : 'none', |
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left: this.options.focusPosition[0] + 1, |
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top: this.options.focusPosition[1] + 1 |
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}) |
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.width((this.options.focusWidth - 2 > 0) ? (this.options.focusWidth - 2) : 0) |
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.height((this.options.focusHeight - 2 > 0) ? (this.options.focusHeight - 2) : 0); |
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}, |
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// Update the cursor type |
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updateCursor: function (cursorType) { |
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this.$trigger.css({ |
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cursor: cursorType |
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}); |
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this.$outline.css({ |
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cursor: cursorType |
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}); |
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this.$selection.css({ |
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cursor: cursorType |
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}); |
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}, |
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// Update the plug-in's interface |
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updateInterface: function (sender) { |
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switch (sender) { |
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case 'addRectangles': |
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this.updateOverlayLayer(); |
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break; |
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case 'setCrop' : |
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this.updateOverlayLayer(); |
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this.updateCrop(); |
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this.updateResizeHandlers('hide-all'); |
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break; |
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case 'setFocus' : |
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this.updateCrop(); |
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this.updateResizeHandlers('hide-all'); |
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break; |
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case 'pickCrop' : |
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this.updateResizeHandlers('hide-all'); |
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break; |
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case 'pickResizeHandler' : |
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this.updateResizeHandlers('hide-all'); |
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break; |
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case 'resizeCrop' : |
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this.updateCrop(); |
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this.updateResizeHandlers('hide-all'); |
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this.updateCursor('crosshair'); |
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break; |
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case 'releaseCrop' : |
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this.updateTriggerLayer(); |
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this.updateOverlayLayer(); |
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this.updateCrop(); |
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this.updateResizeHandlers(); |
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break; |
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default : |
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this.updateTriggerLayer(); |
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this.updateOverlayLayer(); |
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this.updateCrop(); |
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this.updateResizeHandlers(); |
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} |
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}, |
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// Set a new selection |
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setCrop: function (event) { |
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event.preventDefault(); |
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event.stopPropagation(); |
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if (cropper.selectionExists !== true) { |
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$(document).mousemove(cropper.resizeCrop).mouseup(cropper.releaseCrop); |
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cropper.selectionExists = true; |
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} |
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// Reset the selection size |
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cropper.options.selectionWidth = 0; |
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cropper.options.selectionHeight = 0; |
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// Get the selection origin |
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cropper.selectionOrigin = cropper.getMousePosition(event); |
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// And set its position |
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cropper.options.selectionPosition[0] = cropper.selectionOrigin[0]; |
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cropper.options.selectionPosition[1] = cropper.selectionOrigin[1]; |
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357
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cropper.updateInterface('setCrop'); |
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}, |
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360
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setFocus: function (event) { |
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|
|
event.preventDefault(); |
362
|
|
|
event.stopPropagation(); |
363
|
|
|
|
364
|
|
|
// Switch from cropper to focuser |
365
|
|
|
// Bind an event handler to the 'mousemove' and 'mouseup' events |
366
|
|
|
$(document).mousemove(cropper.resizeFocus).mouseup(cropper.releaseFocus); |
|
|
|
|
367
|
|
|
|
368
|
|
|
// Notify that a selection exists |
369
|
|
|
cropper.focusExists = true; |
370
|
|
|
|
371
|
|
|
// Reset the selection size |
372
|
|
|
cropper.options.focusWidth = 0; |
373
|
|
|
cropper.options.focusHeight = 0; |
374
|
|
|
|
375
|
|
|
// Get the selection origin |
376
|
|
|
cropper.focusOrigin = cropper.getMousePosition(event); |
377
|
|
|
|
378
|
|
|
// And set its position |
379
|
|
|
cropper.options.focusPosition[0] = cropper.focusOrigin[0]; |
380
|
|
|
cropper.options.focusPosition[1] = cropper.focusOrigin[1]; |
381
|
|
|
|
382
|
|
|
cropper.updateInterface('setCrop'); |
383
|
|
|
}, |
384
|
|
|
|
385
|
|
|
isValidPosition: function (mousePosition, area) { |
386
|
|
|
var mouseX = mousePosition[0], |
387
|
|
|
mouseY = mousePosition[1], |
388
|
|
|
valid = true; |
389
|
|
|
|
390
|
|
|
if (area == 'crop') { |
391
|
|
|
if ((mouseX >= cropper.focusOrigin[0] && mouseX <= (cropper.focusOrigin[0] + cropper.options.focusWidth)) || |
|
|
|
|
392
|
|
|
(mouseY <= (cropper.focusOrigin[1] + cropper.options.focusHeight) && mouseY >= cropper.focusOrigin[1])) { |
393
|
|
|
valid = false; |
394
|
|
|
} |
395
|
|
|
} |
396
|
|
|
else { |
397
|
|
|
if (mouseX <= cropper.selectionOrigin[0] || |
398
|
|
|
mouseY <= cropper.selectionOrigin[1] || |
399
|
|
|
mouseX >= (cropper.selectionOrigin[0] + cropper.options.selectionWidth) || |
400
|
|
|
mouseY >= (cropper.selectionOrigin[1] + cropper.options.selectionHeight)) { |
401
|
|
|
valid = false; |
402
|
|
|
} |
403
|
|
|
} |
404
|
|
|
|
405
|
|
|
return valid; |
406
|
|
|
}, |
407
|
|
|
|
408
|
|
|
// Resize the crop area |
409
|
|
|
resizeCrop: function (event) { |
410
|
|
|
event.preventDefault(); |
411
|
|
|
event.stopPropagation(); |
412
|
|
|
var mousePosition = cropper.getMousePosition(event), |
|
|
|
|
413
|
|
|
validPosition = cropper.isValidPosition(mousePosition, 'crop'); |
414
|
|
|
|
415
|
|
|
if (validPosition) { |
416
|
|
|
// Get the selection size |
417
|
|
|
cropper.options.selectionWidth = mousePosition[0] - cropper.selectionOrigin[0]; |
418
|
|
|
cropper.options.selectionHeight = mousePosition[1] - cropper.selectionOrigin[1]; |
419
|
|
|
if (cropper.options.selectionWidth < 0) { |
420
|
|
|
cropper.options.selectionWidth = Math.abs(cropper.options.selectionWidth); |
421
|
|
|
cropper.options.selectionPosition[0] = cropper.selectionOrigin[0] - cropper.options.selectionWidth; |
422
|
|
|
} else |
423
|
|
|
cropper.options.selectionPosition[0] = cropper.selectionOrigin[0]; |
|
|
|
|
424
|
|
|
if (cropper.options.selectionHeight < 0) { |
425
|
|
|
cropper.options.selectionHeight = Math.abs(cropper.options.selectionHeight); |
426
|
|
|
cropper.options.selectionPosition[1] = cropper.selectionOrigin[1] - cropper.options.selectionHeight; |
427
|
|
|
} else { |
428
|
|
|
cropper.options.selectionPosition[1] = cropper.selectionOrigin[1]; |
429
|
|
|
} |
430
|
|
|
cropper.updateInterface('resizeCrop'); |
431
|
|
|
} |
432
|
|
|
}, |
433
|
|
|
|
434
|
|
|
resizeFocus: function (event) { |
435
|
|
|
event.preventDefault(); |
436
|
|
|
event.stopPropagation(); |
437
|
|
|
var mousePosition = cropper.getMousePosition(event), |
|
|
|
|
438
|
|
|
validPosition = cropper.isValidPosition(mousePosition, 'focus'); |
439
|
|
|
|
440
|
|
|
if (validPosition) { |
441
|
|
|
// Get the focus size |
442
|
|
|
cropper.options.focusWidth = mousePosition[0] - cropper.focusOrigin[0]; |
443
|
|
|
cropper.options.focusHeight = mousePosition[1] - cropper.focusOrigin[1]; |
444
|
|
|
if (cropper.options.focusWidth < 0) { |
445
|
|
|
cropper.options.focusWidth = Math.abs(cropper.options.focusWidth); |
446
|
|
|
cropper.options.focusPosition[0] = cropper.focusOrigin[0] - cropper.options.focusWidth; |
447
|
|
|
} else |
448
|
|
|
cropper.options.focusPosition[0] = cropper.focusOrigin[0]; |
|
|
|
|
449
|
|
|
if (cropper.options.focusHeight < 0) { |
450
|
|
|
cropper.options.focusHeight = Math.abs(cropper.options.focusHeight); |
451
|
|
|
cropper.options.focusPosition[1] = cropper.focusOrigin[1] - cropper.options.focusHeight; |
452
|
|
|
} else { |
453
|
|
|
cropper.options.focusPosition[1] = cropper.focusOrigin[1]; |
454
|
|
|
} |
455
|
|
|
cropper.updateInterface('resizeFocus'); |
456
|
|
|
} |
457
|
|
|
}, |
458
|
|
|
|
459
|
|
|
// Release the current selection |
460
|
|
|
releaseCrop: function (event) { |
461
|
|
|
event.preventDefault(); |
462
|
|
|
event.stopPropagation(); |
463
|
|
|
|
464
|
|
|
// Unbind the event handler to the 'mousemove' event |
465
|
|
|
$(document).unbind('mousemove'); |
466
|
|
|
$(document).unbind('mouseup'); |
467
|
|
|
|
468
|
|
|
// Update the selection origin |
469
|
|
|
cropper.selectionOrigin[0] = cropper.options.selectionPosition[0]; |
|
|
|
|
470
|
|
|
cropper.selectionOrigin[1] = cropper.options.selectionPosition[1]; |
471
|
|
|
|
472
|
|
|
// Reset the resize constraints |
473
|
|
|
resizeHorizontally = true; |
|
|
|
|
474
|
|
|
resizeVertically = true; |
|
|
|
|
475
|
|
|
|
476
|
|
|
// Verify if the selection size is bigger than the minimum accepted |
477
|
|
|
// and set the selection existence accordingly |
478
|
|
|
if (cropper.options.selectionWidth > cropper.options.minSelect[0] && |
479
|
|
|
cropper.options.selectionHeight > cropper.options.minSelect[1]) |
480
|
|
|
selectionExists = true; |
|
|
|
|
481
|
|
|
else |
482
|
|
|
selectionExists = false; |
483
|
|
|
|
484
|
|
|
// Trigger the 'onSelect' event when the selection is made |
485
|
|
|
cropper.options.onSelect(cropper.getCropData()); |
486
|
|
|
|
487
|
|
|
// If the selection doesn't exist |
488
|
|
|
if (!selectionExists) { |
489
|
|
|
cropper.$previewHolder.unbind('mouseenter'); |
490
|
|
|
cropper.$previewHolder.unbind('mouseleave'); |
491
|
|
|
} |
492
|
|
|
|
493
|
|
|
cropper.updateInterface('releaseCrop'); |
494
|
|
|
}, |
495
|
|
|
|
496
|
|
|
releaseFocus: function (event) { |
497
|
|
|
event.preventDefault(); |
498
|
|
|
event.stopPropagation(); |
499
|
|
|
|
500
|
|
|
// Unbind the event handler to the 'mousemove' event |
501
|
|
|
$(document).unbind('mousemove'); |
502
|
|
|
$(document).unbind('mouseup'); |
503
|
|
|
|
504
|
|
|
// Update the focus origin |
505
|
|
|
cropper.focusOrigin[0] = cropper.options.focusPosition[0]; |
|
|
|
|
506
|
|
|
cropper.focusOrigin[1] = cropper.options.focusPosition[1]; |
507
|
|
|
|
508
|
|
|
// Reset the resize constraints |
509
|
|
|
resizeHorizontally = true; |
|
|
|
|
510
|
|
|
resizeVertically = true; |
|
|
|
|
511
|
|
|
|
512
|
|
|
// Verify if the focus size is bigger than the minimum accepted |
513
|
|
|
// and set the focus existence accordingly |
514
|
|
|
if (cropper.options.focusWidth > cropper.options.minSelect[0] && |
515
|
|
|
cropper.options.focusHeight > cropper.options.minSelect[1]) |
516
|
|
|
focusExists = true; |
|
|
|
|
517
|
|
|
else |
518
|
|
|
focusExists = false; |
519
|
|
|
|
520
|
|
|
// Trigger the 'onSelect' event when the focus is made |
521
|
|
|
cropper.options.onSelect(cropper.getCropData()); |
522
|
|
|
|
523
|
|
|
// If the focus doesn't exist |
524
|
|
|
if (!focusExists) { |
525
|
|
|
cropper.$previewHolder.unbind('mouseenter'); |
526
|
|
|
cropper.$previewHolder.unbind('mouseleave'); |
527
|
|
|
} |
528
|
|
|
|
529
|
|
|
cropper.updateInterface('releaseCrop'); |
530
|
|
|
}, |
531
|
|
|
|
532
|
|
|
removeFocus: function () { |
533
|
|
|
// Remove the rectangle. |
534
|
|
|
cropper.$focusSelection.css({ |
|
|
|
|
535
|
|
|
top: 0, |
536
|
|
|
left: 0, |
537
|
|
|
height: 0, |
538
|
|
|
width: 0, |
539
|
|
|
}); |
540
|
|
|
|
541
|
|
|
// Reset the values. |
542
|
|
|
cropper.focusExists = false; |
543
|
|
|
cropper.focusOrigin = [0, 0]; |
544
|
|
|
cropper.options.focusPosition = [0, 0]; |
545
|
|
|
cropper.options.focusHeight = 0; |
546
|
|
|
cropper.options.focusWidth = 0; |
547
|
|
|
|
548
|
|
|
// Move the handlers. |
549
|
|
|
cropper.updateResizeHandlers(); |
550
|
|
|
|
551
|
|
|
// Update the data. |
552
|
|
|
cropper.getCropData(); |
553
|
|
|
}, |
554
|
|
|
|
555
|
|
|
// Update the resize handlers |
556
|
|
|
updateResizeHandlers: function (action) { |
557
|
|
|
switch (action) { |
558
|
|
|
case 'hide-all' : |
559
|
|
|
$('.image-crop-resize-handler, .image-focus-resize-handler').each(function () { |
560
|
|
|
$(this).css({ |
561
|
|
|
display: 'none' |
562
|
|
|
}); |
563
|
|
|
}); |
564
|
|
|
|
565
|
|
|
break; |
566
|
|
|
default : |
567
|
|
|
var display = (cropper.selectionExists) ? 'block' : 'none'; |
|
|
|
|
568
|
|
|
// Crop rectangle. |
569
|
|
|
cropper.$nwCropResizer.css({ |
570
|
|
|
cursor: 'nw-resize', |
571
|
|
|
display: display, |
572
|
|
|
left: cropper.options.selectionPosition[0] - Math.round(cropper.$nwCropResizer.width() / 2), |
573
|
|
|
top: cropper.options.selectionPosition[1] - Math.round(cropper.$nwCropResizer.height() / 2) |
574
|
|
|
}); |
575
|
|
|
|
576
|
|
|
cropper.$neCropResizer.css({ |
577
|
|
|
cursor: 'ne-resize', |
578
|
|
|
display: display, |
579
|
|
|
left: cropper.options.selectionPosition[0] + cropper.options.selectionWidth - Math.round(cropper.$neCropResizer.width() / 2) - 1, |
580
|
|
|
top: cropper.options.selectionPosition[1] - Math.round(cropper.$neCropResizer.height() / 2) |
581
|
|
|
}); |
582
|
|
|
|
583
|
|
|
cropper.$swCropResizer.css({ |
584
|
|
|
cursor: 'sw-resize', |
585
|
|
|
display: display, |
586
|
|
|
left: cropper.options.selectionPosition[0] - Math.round(cropper.$swCropResizer.width() / 2), |
587
|
|
|
top: cropper.options.selectionPosition[1] + cropper.options.selectionHeight - Math.round(cropper.$swCropResizer.height() / 2) - 1 |
588
|
|
|
}); |
589
|
|
|
|
590
|
|
|
cropper.$seCropResizer.css({ |
591
|
|
|
cursor: 'se-resize', |
592
|
|
|
display: display, |
593
|
|
|
left: cropper.options.selectionPosition[0] + cropper.options.selectionWidth - Math.round(cropper.$seCropResizer.width() / 2) - 1, |
594
|
|
|
top: cropper.options.selectionPosition[1] + cropper.options.selectionHeight - Math.round(cropper.$seCropResizer.height() / 2) - 1 |
595
|
|
|
}); |
596
|
|
|
|
597
|
|
|
// Focus Rectangle. |
598
|
|
|
cropper.$nwFocusResizer.css({ |
599
|
|
|
cursor: 'nw-resize', |
600
|
|
|
display: display, |
601
|
|
|
left: cropper.options.focusPosition[0] - Math.round(cropper.$nwFocusResizer.width() / 2), |
602
|
|
|
top: cropper.options.focusPosition[1] - Math.round(cropper.$nwFocusResizer.height() / 2) |
603
|
|
|
}); |
604
|
|
|
|
605
|
|
|
cropper.$neFocusResizer.css({ |
606
|
|
|
cursor: 'ne-resize', |
607
|
|
|
display: display, |
608
|
|
|
left: cropper.options.focusPosition[0] + cropper.options.focusWidth - Math.round(cropper.$neFocusResizer.width() / 2) - 1, |
609
|
|
|
top: cropper.options.focusPosition[1] - Math.round(cropper.$neFocusResizer.height() / 2) |
610
|
|
|
}); |
611
|
|
|
|
612
|
|
|
cropper.$swFocusResizer.css({ |
613
|
|
|
cursor: 'sw-resize', |
614
|
|
|
display: display, |
615
|
|
|
left: cropper.options.focusPosition[0] - Math.round(cropper.$swFocusResizer.width() / 2), |
616
|
|
|
top: cropper.options.focusPosition[1] + cropper.options.focusHeight - Math.round(cropper.$swFocusResizer.height() / 2) - 1 |
617
|
|
|
}); |
618
|
|
|
|
619
|
|
|
cropper.$seFocusResizer.css({ |
620
|
|
|
cursor: 'se-resize', |
621
|
|
|
display: display, |
622
|
|
|
left: cropper.options.focusPosition[0] + cropper.options.focusWidth - Math.round(cropper.$seFocusResizer.width() / 2) - 1, |
623
|
|
|
top: cropper.options.focusPosition[1] + cropper.options.focusHeight - Math.round(cropper.$seFocusResizer.height() / 2) - 1 |
624
|
|
|
}); |
625
|
|
|
} |
626
|
|
|
}, |
627
|
|
|
|
628
|
|
|
// Pick the current selection |
629
|
|
|
pickSelection: function (event) { |
630
|
|
|
event.preventDefault(); |
631
|
|
|
event.stopPropagation(); |
632
|
|
|
|
633
|
|
|
cropper.setFocus(event); |
|
|
|
|
634
|
|
|
}, |
635
|
|
|
|
636
|
|
|
// Pick one of the resize handlers |
637
|
|
|
pickResizeHandler: function (event) { |
638
|
|
|
var rectangle = 'Crop'; |
639
|
|
|
|
640
|
|
|
event.preventDefault(); |
641
|
|
|
event.stopPropagation(); |
642
|
|
|
|
643
|
|
|
switch (event.target.id) { |
|
|
|
|
644
|
|
|
case 'image-crop-nw-resize-handler': |
645
|
|
|
cropper.selectionOrigin[0] += cropper.options.selectionWidth; |
|
|
|
|
646
|
|
|
cropper.selectionOrigin[1] += cropper.options.selectionHeight; |
647
|
|
|
cropper.options.selectionPosition[0] = cropper.selectionOrigin[0] - cropper.options.selectionWidth; |
648
|
|
|
cropper.options.selectionPosition[1] = cropper.selectionOrigin[1] - cropper.options.selectionHeight; |
649
|
|
|
break; |
650
|
|
|
|
651
|
|
|
case 'image-crop-ne-resize-handler': |
652
|
|
|
cropper.selectionOrigin[1] += cropper.options.selectionHeight; |
653
|
|
|
cropper.options.selectionPosition[1] = cropper.selectionOrigin[1] - cropper.options.selectionHeight; |
654
|
|
|
break; |
655
|
|
|
|
656
|
|
|
case 'image-crop-sw-resize-handler': |
657
|
|
|
cropper.selectionOrigin[0] += cropper.options.selectionWidth; |
658
|
|
|
cropper.options.selectionPosition[0] = cropper.selectionOrigin[0] - cropper.options.selectionWidth; |
659
|
|
|
break; |
660
|
|
|
|
661
|
|
|
case 'image-crop-se-resize-handler': |
662
|
|
|
cropper.selectionOrigin[0] = cropper.options.selectionPosition[0]; |
663
|
|
|
cropper.options.selectionHeight = cropper.options.selectionPosition[1] - cropper.selectionOrigin[1]; |
664
|
|
|
break; |
665
|
|
|
|
666
|
|
|
case 'image-focus-nw-resize-handler': |
667
|
|
|
rectangle = 'Focus'; |
668
|
|
|
cropper.focusOrigin[0] += cropper.options.focusWidth; |
669
|
|
|
cropper.focusOrigin[1] += cropper.options.focusHeight; |
670
|
|
|
cropper.options.focusPosition[0] = cropper.focusOrigin[0] - cropper.options.focusWidth; |
671
|
|
|
cropper.options.focusPosition[1] = cropper.focusOrigin[1] - cropper.options.focusHeight; |
672
|
|
|
break; |
673
|
|
|
|
674
|
|
|
case 'image-focus-ne-resize-handler': |
675
|
|
|
rectangle = 'Focus'; |
676
|
|
|
cropper.focusOrigin[1] += cropper.options.focusHeight; |
677
|
|
|
cropper.options.focusPosition[1] = cropper.focusOrigin[1] - cropper.options.focusHeight; |
678
|
|
|
break; |
679
|
|
|
|
680
|
|
|
case 'image-focus-sw-resize-handler' : |
681
|
|
|
rectangle = 'Focus'; |
682
|
|
|
cropper.focusOrigin[0] += cropper.options.focusWidth; |
683
|
|
|
cropper.options.focusPosition[0] = cropper.focusOrigin[0] - cropper.options.focusWidth; |
684
|
|
|
break; |
685
|
|
|
|
686
|
|
|
case 'image-focus-se-resize-handler': |
687
|
|
|
rectangle = 'Focus'; |
688
|
|
|
cropper.focusOrigin[0] = cropper.options.focusPosition[0]; |
689
|
|
|
cropper.options.focusHeight = cropper.options.focusPosition[1] - cropper.focusOrigin[1]; |
690
|
|
|
break; |
691
|
|
|
|
692
|
|
|
} |
693
|
|
|
|
694
|
|
|
$(document).mousemove(cropper['resize' + rectangle]); |
695
|
|
|
$(document).mouseup(cropper['release' + rectangle]); |
696
|
|
|
|
697
|
|
|
cropper.updateInterface('pickResizeHandler'); |
698
|
|
|
}, |
699
|
|
|
|
700
|
|
|
addRectangles: function () { |
701
|
|
|
// Set the values if they already exist. |
702
|
|
|
var $input = $(cropper.options.cropInputselector), |
|
|
|
|
703
|
|
|
valueString = $input.val(); |
704
|
|
|
|
705
|
|
|
if (valueString != '') { |
706
|
|
|
var valueArray = valueString.split(':'), |
707
|
|
|
cropString = valueArray[0], |
708
|
|
|
focusString = valueArray[1], |
709
|
|
|
cropCoords = cropString.split(', '), |
710
|
|
|
focusCoords = focusString.split(', '), |
711
|
|
|
widthScale = cropper.naturalWidth / cropper.$image.width(), |
712
|
|
|
heightScale = cropper.naturalHeight / cropper.$image.height(); |
713
|
|
|
|
714
|
|
|
cropper.options.selectionPosition[0] = parseInt(cropCoords[0]) / widthScale; |
715
|
|
|
cropper.options.selectionPosition[1] = parseInt(cropCoords[1]) / heightScale; |
716
|
|
|
|
717
|
|
|
cropper.options.selectionWidth = (parseInt(cropCoords[2]) - parseInt(cropCoords[0])) / widthScale; |
718
|
|
|
cropper.options.selectionHeight = (parseInt(cropCoords[3]) - parseInt(cropCoords[1])) / heightScale; |
719
|
|
|
|
720
|
|
|
cropper.options.focusPosition[0] = parseInt(focusCoords[0]) / widthScale; |
721
|
|
|
cropper.options.focusPosition[1] = parseInt(focusCoords[1]) / heightScale; |
722
|
|
|
|
723
|
|
|
cropper.options.focusWidth = (parseInt(focusCoords[2]) - parseInt(focusCoords[0])) / widthScale; |
724
|
|
|
cropper.options.focusHeight = (parseInt(focusCoords[3]) - parseInt(focusCoords[1])) / heightScale; |
725
|
|
|
|
726
|
|
|
// Set the origin variable. |
727
|
|
|
cropper.selectionOrigin[0] = cropper.options.selectionPosition[0]; |
728
|
|
|
cropper.selectionOrigin[1] = cropper.options.selectionPosition[1]; |
729
|
|
|
cropper.focusOrigin[0] = cropper.options.focusPosition[0]; |
730
|
|
|
cropper.focusOrigin[1] = cropper.options.focusPosition[1]; |
731
|
|
|
|
732
|
|
|
cropper.selectionExists = true; |
733
|
|
|
cropper.focusExists = true; |
734
|
|
|
|
735
|
|
|
cropper.updateInterface('addrectangles'); |
736
|
|
|
} |
737
|
|
|
}, |
738
|
|
|
|
739
|
|
|
// Return an object containing information about the plug-in state |
740
|
|
|
getCropData: function () { |
741
|
|
|
var data = cropper.options; |
|
|
|
|
742
|
|
|
|
743
|
|
|
var widthScale = cropper.naturalWidth / cropper.$image.width(); |
744
|
|
|
var heightScale = cropper.naturalHeight / cropper.$image.height(); |
745
|
|
|
|
746
|
|
|
var cx = Math.floor(data.selectionPosition[0] * widthScale), |
747
|
|
|
cy = Math.floor(data.selectionPosition[1] * heightScale), |
748
|
|
|
cw = Math.floor(data.selectionWidth * widthScale), |
749
|
|
|
ch = Math.floor(data.selectionHeight * heightScale), |
750
|
|
|
fx = Math.floor(data.focusPosition[0] * widthScale), |
751
|
|
|
fy = Math.floor(data.focusPosition[1] * heightScale), |
752
|
|
|
fw = Math.floor(data.focusWidth * widthScale), |
753
|
|
|
fh = Math.floor(data.focusHeight * heightScale); |
754
|
|
|
|
755
|
|
|
var output = cx + ', ' + cy + ', ' + (cx + cw) + ', ' + (cy + ch) + ':' + fx + ', ' + fy + ', ' + (fx + fw) + ', ' + (fy + fh); |
756
|
|
|
|
757
|
|
|
$(data.cropInputselector).val(output); |
758
|
|
|
} |
759
|
|
|
}; |
760
|
|
|
|
761
|
|
|
cropper.init(object, customOptions); |
762
|
|
|
}; |
763
|
|
|
|
764
|
|
|
$.fn.imageCrop = function (customOptions) { |
765
|
|
|
this.each(function () { |
766
|
|
|
var currentObject = this, |
767
|
|
|
image = new Image(); |
|
|
|
|
768
|
|
|
|
769
|
|
|
// And attach imageCrop when the object is loaded |
770
|
|
|
image.onload = function () { |
771
|
|
|
$.imageCrop(currentObject, customOptions); |
772
|
|
|
}; |
773
|
|
|
|
774
|
|
|
// Reset the src because cached images don't fire load sometimes |
775
|
|
|
image.src = currentObject.src; |
776
|
|
|
}); |
777
|
|
|
|
778
|
|
|
return this; |
779
|
|
|
}; |
780
|
|
|
})(jQuery); |
781
|
|
|
|
782
|
|
|
jQuery(window).load(function ($) { |
|
|
|
|
783
|
|
|
jQuery('.crop-focus-image img').imageCrop(); |
784
|
|
|
}); |