// Start is called before the first frame update
void Start()
{
FixedAspectRatio.Execute(fixedAspectCamera, _width, _height);
}
/// <summary>
///
/// </summary>
protected override void CreateChildControls()
{
//Add the jquery/jcrop includes
AddFileReferences();
System.Web.UI.WebControls.Image image =
Parent.FindControl(this.Image) as System.Web.UI.WebControls.Image;
string url = image.ImageUrl;
string resolvedUrl = url.StartsWith("~") ? ResolveUrl(url) : url;
ViewState["ImageUrl"] = resolvedUrl;
//image - '<img />' tag ID, DOM, or jquery reference
//settings - object
/*
* settings = {keepAspectRatio:false,
* keepAspectRatioCheckbox: '#id' or reference,
* aspectRatio: null or value,
* minSize: [w,h],
* maxSize: [w,h],
* previewDiv: '#id' or reference or null,
* previewWidth: (previewDiv original width, or 100),
* previewHeight: (previewDiv original height, or 100),
* boxWidth: null or value,
* boxHeight: null or value,
* setSelect: [x1,y1,x2,y2],
* updateLinks: "#id1, #id2" or null,
* updateFields: "#id1, #id2" or null,
* updateImages: "#id1, #id2" or null
*/
NameValueCollection s = new NameValueCollection();
if (!string.IsNullOrEmpty(this.FixedAspectRatioCheckboxID))
{
Control c = Parent.FindControl(FixedAspectRatioCheckboxID);
if (c != null)
{
s["keepAspectRatioCheckbox"] = "'#" + c.ClientID + "'";
}
}
s["keepAspectRatio"] = FixedAspectRatio.ToString().ToLower();
if (!string.IsNullOrEmpty(this.Ratio))
{
s["aspectRatio"] = Ratio;
}
//If the image URL is a virtual path within the application, and ServerSideResize=true, then use URL resizing; otherwise, use boxWidth/boxHeight
if (CanvasHeight > 0 | CanvasWidth > 0)
{
if (!url.StartsWith("http", StringComparison.OrdinalIgnoreCase) && this.ServerSizeResize)
{
NameValueCollection max = new NameValueCollection();
if (CanvasHeight > 0)
{
max["maxheight"] = CanvasHeight.ToString();
}
if (CanvasWidth > 0)
{
max["maxwidth"] = CanvasWidth.ToString();
}
url = ImageResizer.Util.PathUtils.MergeOverwriteQueryString(url, max);
image.ImageUrl = url;
}
else
{
if (CanvasHeight > 0)
{
s["boxHeight"] = CanvasHeight.ToString();
}
if (CanvasWidth > 0)
{
s["boxWidth"] = CanvasWidth.ToString();
}
}
}
//If there has been a crop rectangle specified, use it
if (W > 0 || H > 0)
{
s["setSelect"] =
"[" + X.ToString() + "," +
Y.ToString() + "," +
X2.ToString() + ", " +
Y2.ToString() + "]";
}
if (!string.IsNullOrEmpty(this.MaxSize))
{
s["maxSize"] = "[" + this.MaxSize + "]";
}
if (!string.IsNullOrEmpty(this.MinSize))
{
s["minSize"] = "[" + this.MinSize + "]";
}
if (this.PreviewWidth > 0)
{
s["previewWidth"] = this.PreviewWidth.ToString();
}
if (this.PreviewHeight > 0)
{
s["previewHeight"] = this.PreviewHeight.ToString();
}
if (!string.IsNullOrEmpty(this.PreviewImageID))
{
Control c = Parent.FindControl(PreviewImageID);
if (c != null)
{
s["previewDiv"] = "'#" + c.ClientID + "'";
}
}
s["updateFields"] = "'#" + HiddenFieldClientId + "'";
StringBuilder sb = new StringBuilder();
sb.AppendLine("<script>$(function(){ ");
sb.AppendLine("webcropimage('#" + image.ClientID + "', {");
foreach (string key in s)
{
sb.AppendLine(key + ": " + s[key] + ",");
}
sb.Append("});});");
sb.Append(@"</script>");
if (isInUpdatePanel)
{
ScriptManager.RegisterClientScriptBlock(this, this.GetType()
, "cropInit" + this.ClientID
, sb.ToString(), false);
ScriptManager.RegisterHiddenField(this, HiddenFieldClientId, resolvedUrl);
}
else
{
Page.ClientScript.RegisterClientScriptBlock(this.GetType()
, "cropInit" + this.ClientID
, sb.ToString(), false);
Page.ClientScript.RegisterHiddenField(HiddenFieldClientId, resolvedUrl);
}
base.CreateChildControls();
}
