Roo.bootstrap.UploadCropbox = function(config){
Roo.bootstrap.UploadCropbox.superclass.constructor.call(this, config);
this.addEvents({
"beforeselectfile" : true,
"initial" : true,
"crop" : true,
"prepare" : true,
"exception" : true,
"beforeloadcanvas" : true,
"trash" : true,
"download" : true,
"footerbuttonclick" : true,
"resize" : true
});
this.buttons = this.buttons || Roo.bootstrap.UploadCropbox.footer.STANDARD;
};
Roo.extend(Roo.bootstrap.UploadCropbox, Roo.bootstrap.Component, {
emptyText : 'Click to upload image',
rotateNotify : 'Image is too small to rotate',
errorTimeout : 3000,
scale : 0,
baseScale : 1,
rotate : 0,
dragable : false,
pinching : false,
mouseX : 0,
mouseY : 0,
cropData : false,
minWidth : 300,
minHeight : 300,
file : false,
exif : {},
baseRotate : 1,
cropType : 'image/jpeg',
buttons : false,
canvasLoaded : false,
getAutoCreate : function()
{
var cfg = {
tag : 'div',
cls : 'roo-upload-cropbox',
cn : [
{
tag : 'div',
cls : 'roo-upload-cropbox-body',
style : 'cursor:pointer',
cn : [
{
tag : 'div',
cls : 'roo-upload-cropbox-preview'
},
{
tag : 'div',
cls : 'roo-upload-cropbox-thumb'
},
{
tag : 'div',
cls : 'roo-upload-cropbox-empty-notify',
html : this.emptyText
},
{
tag : 'div',
cls : 'roo-upload-cropbox-error-notify alert alert-danger',
html : this.rotateNotify
}
]
},
{
tag : 'div',
cls : 'roo-upload-cropbox-footer',
cn : {
tag : 'div',
cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
cn : []
}
}
]
};
return cfg;
},
onRender : function(ct, position)
{
Roo.bootstrap.UploadCropbox.superclass.onRender.call(this, ct, position);
if (this.buttons.length) {
Roo.each(this.buttons, function(bb) {
var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
}, this);
}
},
initEvents : function()
{
this.urlAPI = (window.createObjectURL && window) ||
(window.URL && URL.revokeObjectURL && URL) ||
(window.webkitURL && webkitURL);
this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
this.thumbEl.hide();
this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
this.errorEl.hide();
this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
this.footerEl.hide();
this.setThumbBoxSize();
this.bind();
this.resize();
this.fireEvent('initial', this);
},
bind : function()
{
var _this = this;
window.addEventListener("resize", function() { _this.resize(); } );
this.bodyEl.on('click', this.beforeSelectFile, this);
if(Roo.isTouch){
this.bodyEl.on('touchstart', this.onTouchStart, this);
this.bodyEl.on('touchmove', this.onTouchMove, this);
this.bodyEl.on('touchend', this.onTouchEnd, this);
}
if(!Roo.isTouch){
this.bodyEl.on('mousedown', this.onMouseDown, this);
this.bodyEl.on('mousemove', this.onMouseMove, this);
var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
this.bodyEl.on(mousewheel, this.onMouseWheel, this);
Roo.get(document).on('mouseup', this.onMouseUp, this);
}
},
reset : function()
{
this.scale = 0;
this.baseScale = 1;
this.rotate = 0;
this.baseRotate = 1;
this.dragable = false;
this.pinching = false;
this.mouseX = 0;
this.mouseY = 0;
this.cropData = false;
this.notifyEl.dom.innerHTML = this.emptyText;
},
resize : function()
{
if(this.fireEvent('resize', this) != false){
this.setThumbBoxPosition();
this.setCanvasPosition();
}
},
onFooterButtonClick : function(e, el, o, type)
{
switch (type) {
case 'rotate-left' :
this.onRotateLeft(e);
break;
case 'rotate-right' :
this.onRotateRight(e);
break;
case 'picture' :
this.beforeSelectFile(e);
break;
case 'trash' :
this.trash(e);
break;
case 'crop' :
this.crop(e);
break;
case 'download' :
this.download(e);
break;
default :
break;
}
this.fireEvent('footerbuttonclick', this, type);
},
beforeSelectFile : function(e)
{
this.fireEvent('beforeselectfile', this);
},
trash : function(e)
{
this.fireEvent('trash', this);
},
download : function(e)
{
this.fireEvent('download', this);
},
loadCanvas : function(src)
{
if(this.fireEvent('beforeloadcanvas', this, src) != false){
this.reset();
this.imageEl = document.createElement('img');
var _this = this;
this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
this.imageEl.src = src;
}
},
onLoadCanvas : function()
{
this.bodyEl.un('click', this.beforeSelectFile, this);
this.notifyEl.hide();
this.thumbEl.show();
this.footerEl.show();
this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
this.setThumbBoxPosition();
this.baseRotateLevel();
this.baseScaleLevel();
this.draw();
this.resize();
this.canvasLoaded = true;
},
setCanvasPosition : function()
{
if(!this.canvasEl){
return;
}
var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
this.previewEl.setLeft(pw);
this.previewEl.setTop(ph);
},
onMouseDown : function(e)
{
e.stopEvent();
this.dragable = true;
this.pinching = false;
this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
},
onMouseMove : function(e)
{
e.stopEvent();
if(!this.canvasLoaded){
return;
}
if (!this.dragable){
return;
}
var minX = Math.ceil(this.thumbEl.getLeft(true));
var minY = Math.ceil(this.thumbEl.getTop(true));
var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
x = x - this.mouseX;
y = y - this.mouseY;
var bgX = Math.ceil(x + this.previewEl.getLeft(true));
var bgY = Math.ceil(y + this.previewEl.getTop(true));
bgX = (minX < bgX) ? minX : ((maxX > bgX) ? maxX : bgX);
bgY = (minY < bgY) ? minY : ((maxY > bgY) ? maxY : bgY);
this.previewEl.setLeft(bgX);
this.previewEl.setTop(bgY);
this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
},
onMouseUp : function(e)
{
e.stopEvent();
this.dragable = false;
},
onMouseWheel : function(e)
{
e.stopEvent();
this.startScale = this.scale;
this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
if(!this.zoomable()){
this.scale = this.startScale;
return;
}
this.draw();
return;
},
zoomable : function()
{
var minScale = this.thumbEl.getWidth() / this.minWidth;
var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel());
var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel());
if(
(this.rotate == 0 || this.rotate == 180) &&
(
width / minScale < this.minWidth ||
width / minScale > this.imageEl.OriginWidth ||
height / minScale < this.minHeight ||
height / minScale > this.imageEl.OriginHeight
)
){
return false;
}
if(
(this.rotate == 90 || this.rotate == 270) &&
(
width / minScale < this.minHeight ||
width / minScale > this.imageEl.OriginWidth ||
height / minScale < this.minWidth ||
height / minScale > this.imageEl.OriginHeight
)
){
return false;
}
return true;
},
onRotateLeft : function(e)
{
var minScale = this.thumbEl.getWidth() / this.minWidth;
if(this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight()){
var bw = this.canvasEl.width / this.getScaleLevel();
var bh = this.canvasEl.height / this.getScaleLevel();
this.startScale = this.scale;
while (this.getScaleLevel() < minScale){
this.scale = this.scale + 1;
if(!this.zoomable()){
break;
}
if(
bw * this.getScaleLevel() < this.thumbEl.getHeight() ||
bh * this.getScaleLevel() < this.thumbEl.getWidth()
){
continue;
}
this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
this.draw();
return;
}
this.scale = this.startScale;
this.onRotateFail();
return false;
}
this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
this.draw();
},
onRotateRight : function(e)
{
var minScale = this.thumbEl.getWidth() / this.minWidth;
if(this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight()){
var bw = this.canvasEl.width / this.getScaleLevel();
var bh = this.canvasEl.height / this.getScaleLevel();
this.startScale = this.scale;
while (this.getScaleLevel() < minScale){
this.scale = this.scale + 1;
if(!this.zoomable()){
break;
}
if(
bw * this.getScaleLevel() < this.thumbEl.getHeight() ||
bh * this.getScaleLevel() < this.thumbEl.getWidth()
){
continue;
}
this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
this.draw();
return;
}
this.scale = this.startScale;
this.onRotateFail();
return false;
}
this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
this.draw();
},
onRotateFail : function()
{
this.errorEl.show(true);
var _this = this;
(function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
},
draw : function()
{
this.previewEl.dom.innerHTML = '';
var canvasEl = document.createElement("canvas");
var contextEl = canvasEl.getContext("2d");
canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
var center = this.imageEl.OriginWidth / 2;
if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
center = this.imageEl.OriginHeight / 2;
}
contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
contextEl.translate(center, center);
contextEl.rotate(this.rotate * Math.PI / 180);
contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
this.canvasEl = document.createElement("canvas");
this.contextEl = this.canvasEl.getContext("2d");
switch (this.rotate) {
case 0 :
this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
break;
case 90 :
this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
this.contextEl.drawImage(canvasEl, Math.abs(this.canvasEl.width - this.canvasEl.height), 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
break;
}
this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
break;
case 180 :
this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
this.contextEl.drawImage(canvasEl, 0, Math.abs(this.canvasEl.width - this.canvasEl.height), this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
break;
}
this.contextEl.drawImage(canvasEl, Math.abs(this.canvasEl.width - this.canvasEl.height), 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
break;
case 270 :
this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
break;
}
this.contextEl.drawImage(canvasEl, 0, Math.abs(this.canvasEl.width - this.canvasEl.height), this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
break;
default :
break;
}
this.previewEl.appendChild(this.canvasEl);
this.setCanvasPosition();
},
crop : function()
{
if(!this.canvasLoaded){
return;
}
var canvas = document.createElement("canvas");
var context = canvas.getContext("2d");
canvas.width = this.minWidth;
canvas.height = this.minHeight;
var cropWidth = this.thumbEl.getWidth();
var cropHeight = this.thumbEl.getHeight();
var x = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
var y = this.thumbEl.getTop(true) - this.previewEl.getTop(true);
if(this.canvasEl.width - cropWidth < x){
x = this.canvasEl.width - cropWidth;
}
if(this.canvasEl.height - cropHeight < y){
y = this.canvasEl.height - cropHeight;
}
x = x < 0 ? 0 : x;
y = y < 0 ? 0 : y;
context.drawImage(this.canvasEl, x, y, cropWidth, cropHeight, 0, 0, canvas.width, canvas.height);
this.cropData = canvas.toDataURL(this.cropType);
this.fireEvent('crop', this, this.cropData);
},
setThumbBoxSize : function()
{
var height = 300;
var width = Math.ceil(this.minWidth * height / this.minHeight);
if(this.minWidth > this.minHeight){
width = 300;
height = Math.ceil(this.minHeight * width / this.minWidth);
}
this.thumbEl.setStyle({
width : width + 'px',
height : height + 'px'
});
return;
},
setThumbBoxPosition : function()
{
var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
this.thumbEl.setLeft(x);
this.thumbEl.setTop(y);
},
baseRotateLevel : function()
{
this.baseRotate = 1;
if(
typeof(this.exif) != 'undefined' &&
typeof(this.exif[Roo.bootstrap.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
[1, 3, 6, 8].indexOf(this.exif[Roo.bootstrap.UploadCropbox['tags']['Orientation']]) != -1
){
this.baseRotate = this.exif[Roo.bootstrap.UploadCropbox['tags']['Orientation']];
}
this.rotate = Roo.bootstrap.UploadCropbox['Orientation'][this.baseRotate];
},
baseScaleLevel : function()
{
var width, height;
if(this.baseRotate == 6 || this.baseRotate == 8){
width = this.thumbEl.getHeight();
this.baseScale = height / this.imageEl.OriginHeight;
if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
height = this.thumbEl.getWidth();
this.baseScale = height / this.imageEl.OriginHeight;
}
if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
height = this.thumbEl.getWidth();
this.baseScale = height / this.imageEl.OriginHeight;
if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
width = this.thumbEl.getHeight();
this.baseScale = width / this.imageEl.OriginWidth;
}
}
return;
}
width = this.thumbEl.getWidth();
this.baseScale = width / this.imageEl.OriginWidth;
if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
height = this.thumbEl.getHeight();
this.baseScale = height / this.imageEl.OriginHeight;
}
if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
height = this.thumbEl.getHeight();
this.baseScale = height / this.imageEl.OriginHeight;
if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
width = this.thumbEl.getWidth();
this.baseScale = width / this.imageEl.OriginWidth;
}
}
return;
},
getScaleLevel : function()
{
return this.baseScale * Math.pow(1.1, this.scale);
},
onTouchStart : function(e)
{
if(!this.canvasLoaded){
this.beforeSelectFile(e);
return;
}
var touches = e.browserEvent.touches;
if(!touches){
return;
}
if(touches.length == 1){
this.onMouseDown(e);
return;
}
if(touches.length != 2){
return;
}
var coords = [];
for(var i = 0, finger; finger = touches[i]; i++){
coords.push(finger.pageX, finger.pageY);
}
var x = Math.pow(coords[0] - coords[2], 2);
var y = Math.pow(coords[1] - coords[3], 2);
this.startDistance = Math.sqrt(x + y);
this.startScale = this.scale;
this.pinching = true;
this.dragable = false;
},
onTouchMove : function(e)
{
if(!this.pinching && !this.dragable){
return;
}
var touches = e.browserEvent.touches;
if(!touches){
return;
}
if(this.dragable){
this.onMouseMove(e);
return;
}
var coords = [];
for(var i = 0, finger; finger = touches[i]; i++){
coords.push(finger.pageX, finger.pageY);
}
var x = Math.pow(coords[0] - coords[2], 2);
var y = Math.pow(coords[1] - coords[3], 2);
this.endDistance = Math.sqrt(x + y);
this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
if(!this.zoomable()){
this.scale = this.startScale;
return;
}
this.draw();
},
onTouchEnd : function(e)
{
this.pinching = false;
this.dragable = false;
},
prepare : function(input)
{
this.file = false;
this.exif = {};
if(typeof(input) === 'string'){
this.loadCanvas(input);
return;
}
if(!input.files || !input.files[0] || !this.urlAPI){
return;
}
this.file = input.files[0];
this.cropType = this.file.type;
var _this = this;
if(this.fireEvent('prepare', this, this.file) != false){
var reader = new FileReader();
reader.onload = function (e) {
if (e.target.error) {
Roo.log(e.target.error);
return;
}
var buffer = e.target.result,
dataView = new DataView(buffer),
offset = 2,
maxOffset = dataView.byteLength - 4,
markerBytes,
markerLength;
if (dataView.getUint16(0) === 0xffd8) {
while (offset < maxOffset) {
markerBytes = dataView.getUint16(offset);
if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
markerLength = dataView.getUint16(offset + 2) + 2;
if (offset + markerLength > dataView.byteLength) {
Roo.log('Invalid meta data: Invalid segment size.');
break;
}
if(markerBytes == 0xffe1){
_this.parseExifData(
dataView,
offset,
markerLength
);
}
offset += markerLength;
continue;
}
break;
}
}
var url = _this.urlAPI.createObjectURL(_this.file);
_this.loadCanvas(url);
return;
}
reader.readAsArrayBuffer(this.file);
}
},
parseExifData : function(dataView, offset, length)
{
var tiffOffset = offset + 10,
littleEndian,
dirOffset;
if (dataView.getUint32(offset + 4) !== 0x45786966) {
return;
}
if (dataView.getUint32(offset + 4) !== 0x45786966) {
return;
}
if (tiffOffset + 8 > dataView.byteLength) {
Roo.log('Invalid Exif data: Invalid segment size.');
return;
}
if (dataView.getUint16(offset + 8) !== 0x0000) {
Roo.log('Invalid Exif data: Missing byte alignment offset.');
return;
}
switch (dataView.getUint16(tiffOffset)) {
case 0x4949:
littleEndian = true;
break;
case 0x4D4D:
littleEndian = false;
break;
default:
Roo.log('Invalid Exif data: Invalid byte alignment marker.');
return;
}
if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
Roo.log('Invalid Exif data: Missing TIFF marker.');
return;
}
dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
this.parseExifTags(
dataView,
tiffOffset,
tiffOffset + dirOffset,
littleEndian
);
},
parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
{
var tagsNumber,
dirEndOffset,
i;
if (dirOffset + 6 > dataView.byteLength) {
Roo.log('Invalid Exif data: Invalid directory offset.');
return;
}
tagsNumber = dataView.getUint16(dirOffset, littleEndian);
dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
if (dirEndOffset + 4 > dataView.byteLength) {
Roo.log('Invalid Exif data: Invalid directory size.');
return;
}
for (i = 0; i < tagsNumber; i += 1) {
this.parseExifTag(
dataView,
tiffOffset,
dirOffset + 2 + 12 * i, littleEndian
);
}
return dataView.getUint32(dirEndOffset, littleEndian);
},
parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
{
var tag = dataView.getUint16(offset, littleEndian);
this.exif[tag] = this.getExifValue(
dataView,
tiffOffset,
offset,
dataView.getUint16(offset + 2, littleEndian), dataView.getUint32(offset + 4, littleEndian), littleEndian
);
},
getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
{
var tagType = Roo.bootstrap.UploadCropbox.exifTagTypes[type],
tagSize,
dataOffset,
values,
i,
str,
c;
if (!tagType) {
Roo.log('Invalid Exif data: Invalid tag type.');
return;
}
tagSize = tagType.size * length;
dataOffset = tagSize > 4 ?
tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
if (dataOffset + tagSize > dataView.byteLength) {
Roo.log('Invalid Exif data: Invalid data offset.');
return;
}
if (length === 1) {
return tagType.getValue(dataView, dataOffset, littleEndian);
}
values = [];
for (i = 0; i < length; i += 1) {
values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
}
if (tagType.ascii) {
str = '';
for (i = 0; i < values.length; i += 1) {
c = values[i];
if (c === '\u0000') {
break;
}
str += c;
}
return str;
}
return values;
}
});
Roo.apply(Roo.bootstrap.UploadCropbox, {
tags : {
'Orientation': 0x0112
},
Orientation: {
1: 0, 3: 180, 6: 90, 8: 270 },
exifTagTypes : {
1: {
getValue: function (dataView, dataOffset) {
return dataView.getUint8(dataOffset);
},
size: 1
},
2: {
getValue: function (dataView, dataOffset) {
return String.fromCharCode(dataView.getUint8(dataOffset));
},
size: 1,
ascii: true
},
3: {
getValue: function (dataView, dataOffset, littleEndian) {
return dataView.getUint16(dataOffset, littleEndian);
},
size: 2
},
4: {
getValue: function (dataView, dataOffset, littleEndian) {
return dataView.getUint32(dataOffset, littleEndian);
},
size: 4
},
5: {
getValue: function (dataView, dataOffset, littleEndian) {
return dataView.getUint32(dataOffset, littleEndian) /
dataView.getUint32(dataOffset + 4, littleEndian);
},
size: 8
},
9: {
getValue: function (dataView, dataOffset, littleEndian) {
return dataView.getInt32(dataOffset, littleEndian);
},
size: 4
},
10: {
getValue: function (dataView, dataOffset, littleEndian) {
return dataView.getInt32(dataOffset, littleEndian) /
dataView.getInt32(dataOffset + 4, littleEndian);
},
size: 8
}
},
footer : {
STANDARD : [
{
tag : 'div',
cls : 'btn-group roo-upload-cropbox-rotate-left',
action : 'rotate-left',
cn : [
{
tag : 'button',
cls : 'btn btn-default',
html : '<i class="fa fa-undo"></i>'
}
]
},
{
tag : 'div',
cls : 'btn-group roo-upload-cropbox-picture',
action : 'picture',
cn : [
{
tag : 'button',
cls : 'btn btn-default',
html : '<i class="fa fa-picture-o"></i>'
}
]
},
{
tag : 'div',
cls : 'btn-group roo-upload-cropbox-rotate-right',
action : 'rotate-right',
cn : [
{
tag : 'button',
cls : 'btn btn-default',
html : '<i class="fa fa-repeat"></i>'
}
]
}
],
DOCUMENT : [
{
tag : 'div',
cls : 'btn-group roo-upload-cropbox-rotate-left',
action : 'rotate-left',
cn : [
{
tag : 'button',
cls : 'btn btn-default',
html : '<i class="fa fa-undo"></i>'
}
]
},
{
tag : 'div',
cls : 'btn-group roo-upload-cropbox-download',
action : 'download',
cn : [
{
tag : 'button',
cls : 'btn btn-default',
html : '<i class="fa fa-download"></i>'
}
]
},
{
tag : 'div',
cls : 'btn-group roo-upload-cropbox-crop',
action : 'crop',
cn : [
{
tag : 'button',
cls : 'btn btn-default',
html : '<i class="fa fa-crop"></i>'
}
]
},
{
tag : 'div',
cls : 'btn-group roo-upload-cropbox-trash',
action : 'trash',
cn : [
{
tag : 'button',
cls : 'btn btn-default',
html : '<i class="fa fa-trash"></i>'
}
]
},
{
tag : 'div',
cls : 'btn-group roo-upload-cropbox-rotate-right',
action : 'rotate-right',
cn : [
{
tag : 'button',
cls : 'btn btn-default',
html : '<i class="fa fa-repeat"></i>'
}
]
}
]
}
});