protected override void OnPreRender(EventArgs e)
{
#region Dynamic load CSS and JS files
string crlf = ""; // "\r\n";
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append("<script type=\"text/javascript\">\r\n");
//Google Chrome & Safari Ajax Bug
bool isInAjaxPostBack = AjaxHelper.IsInAjaxPostBack(this.Page);
if (!isInAjaxPostBack)
{
sb.Append("//<![CDATA[\r\n");
}
// JS function executed after the JS library is loaded
sb.Append("function " + this.InitFunctionName2 + "()" + crlf);
sb.Append("{" + crlf);
sb.Append("var loadData={" + crlf);
sb.Append("popupPictureTrimmerClientId:\"" + JSHelper.EncodeString(this.popupPictureTrimmer1.ClientID) + "\"" + crlf);
sb.Append(",btnEditClientId:\"" + JSHelper.EncodeString(this.btnEdit.ClientID) + "\"" + crlf);
sb.Append(",btnRemoveClientId:\"" + JSHelper.EncodeString(this.btnRemove.ClientID) + "\"" + crlf);
sb.Append(",btnBrowseDisabledClientId:\"" + JSHelper.EncodeString(this.btnBrowseDisabled.ClientID) + "\"" + crlf);
sb.Append(",btnCancelUploadClientId:\"" + JSHelper.EncodeString(this.btnCancelUpload.ClientID) + "\"" + crlf);
sb.Append(",btnBrowseClientId:\"" + JSHelper.EncodeString(this.btnBrowse.ClientID) + "\"" + crlf);
sb.Append(",hfActClientId:\"" + JSHelper.EncodeString(this.hfAct.ClientID) + "\"" + crlf);
sb.Append(",ddlConfigurationsClientId:\"" + JSHelper.EncodeString(this.ddlConfigurations.ClientID) + "\"" + crlf);
sb.Append(",hlPictureImageEditId:\"" + JSHelper.EncodeString(this.hlPictureImageEdit.ClientID) + "\"" + crlf);
sb.Append(",uploadUrl:\"" + JSHelper.EncodeString(this.UploadUrl) + "\"" + crlf);
sb.Append(",uploadMonitorUrl:\"" + JSHelper.EncodeString(this.UploadMonitorUrl) + "\"" + crlf);
sb.Append(",btnPostBack_PostBackEventReference:\"" + JSHelper.EncodeString(this.Page.ClientScript.GetPostBackEventReference(this.btnPostBack, "")) + "\"" + crlf);
sb.Append(",imageEditPopupSize_width:" + this.ImageEditPopupSize.Width.ToString(System.Globalization.CultureInfo.InvariantCulture) + crlf);
sb.Append(",imageEditPopupSize_height:" + this.ImageEditPopupSize.Height.ToString(System.Globalization.CultureInfo.InvariantCulture) + crlf);
sb.Append(",autoOpenImageEditPopup:" + JSHelper.EncodeBool(this._AutoOpenImageEditPopup) + crlf);
sb.Append(",autoDisableImageEdit:" + JSHelper.EncodeBool(this._AutoDisableImageEdit) + crlf);
sb.Append(",buttonSize_width:" + this.ButtonSize.Width.ToString(System.Globalization.CultureInfo.InvariantCulture) + crlf);
sb.Append(",buttonSize_height:" + this.ButtonSize.Height.ToString(System.Globalization.CultureInfo.InvariantCulture) + crlf);
sb.Append(",enableEdit:" + JSHelper.EncodeBool(this._EnableEdit) + crlf);
sb.Append(",enableRemove:" + JSHelper.EncodeBool(this._EnableRemove) + crlf);
sb.Append(",enableCancelUpload:" + JSHelper.EncodeBool(this._EnableCancelUpload) + crlf);
sb.Append(",dup:" + JSHelper.EncodeBool(this._DebugUploadProblems) + crlf);
sb.Append(",statusMessage_Wait:\"" + JSHelper.EncodeString(this.StatusMessage_Wait) + "\"" + crlf);
sb.Append("};" + crlf);
sb.Append("var control = CodeCarvings.Wcs.Piczard.Upload.SimpleImageUpload.loadControl(\"" + JSHelper.EncodeString(this.ClientID) + "\", loadData);");
sb.Append("}" + crlf);
// Dynamic load JS / CSS (required for Ajax)
sb.Append("function " + this.InitFunctionName + "()" + crlf);
sb.Append("{" + crlf);
sb.Append("if (typeof(window.__ccpz_siu_lt) === \"undefined\")" + crlf);
sb.Append("{" + crlf);
// The variable (window.__ccpz_siu_lt) (configured in simpleImageUpload.js) is undefined...
sb.Append(JSHelper.GetLoadScript(this.ResolveUrl("simpleImageUpload.js?v=5"), this.InitFunctionName + "_load_js", this.InitFunctionName2 + "();") + crlf);
sb.Append("}" + crlf);
sb.Append("else" + crlf);
sb.Append("{" + crlf);
sb.Append(this.InitFunctionName2 + "();" + crlf);
sb.Append("}" + crlf);
sb.Append("}" + crlf);
if (!isInAjaxPostBack)
{
sb.Append("\r\n//]]>\r\n");
}
sb.Append("</script>");
string scriptToRegister = sb.ToString();
if (!AjaxHelper.RegisterClientScriptBlockInAjaxPostBack(this.Page, "CCPZ_SIU_DAI_" + this.ClientID, scriptToRegister, false))
{
this.litScript.Text = scriptToRegister;
}
else
{
this.litScript.Text = "";
}
// Setup the initialization function
if (this.Visible)
{
this.popupPictureTrimmer1.OnClientControlLoadFunction = this.InitFunctionName;
}
#endregion
// Hide design-time elements
this.phDesignTimeStart.Visible = false;
this.phDesignTimeEnd.Visible = false;
// Update the layout
this.btnEdit.Visible = this.EnableEdit;
this.btnEdit.Width = this.ButtonSize.Width;
this.btnEdit.Height = this.ButtonSize.Height;
this.btnRemove.Visible = this.EnableRemove;
this.btnRemove.Width = this.ButtonSize.Width;
this.btnRemove.Height = this.ButtonSize.Height;
this.btnBrowse.Width = this.ButtonSize.Width;
this.btnBrowseDisabled.Width = this.ButtonSize.Width;
this.btnBrowse.Height = this.ButtonSize.Height;
this.btnBrowseDisabled.Height = this.ButtonSize.Height;
this.btnCancelUpload.OnClientClick = "CodeCarvings.Wcs.Piczard.Upload.SimpleImageUpload.cancelUpload(\"" + JSHelper.EncodeString(this.ClientID) + "\"); return false;";
this.btnCancelUpload.Width = this.ButtonSize.Width;
this.btnCancelUpload.Height = this.ButtonSize.Height;
this.phEditCommands.Visible = this.EnableEdit || this.EnableRemove;
this.phUploadCommands.Visible = this.EnableUpload;
this.btnCancelUpload.Visible = this.EnableCancelUpload;
// Update the texts
this.litStatusMessage.Text = this.GetCurrentStatusMessage();
this.btnEdit.Text = this.Text_EditButton;
this.btnRemove.Text = this.Text_RemoveButton;
this.btnBrowse.Text = this.Text_BrowseButton;
this.btnBrowseDisabled.Text = this.Text_BrowseButton;
this.btnCancelUpload.Text = this.Text_CancelUploadButton;
if (this.HasImage)
{
if (!File.Exists(this.PreviewImageFilePath))
{
// The preview file does not exists -> create it
this._UpdatePreview = true;
}
if (this._UpdatePreview)
{
// Get the processing job (Default resolution = 96DPI)
ImageProcessingJob job = this.GetImageProcessingJob();
job.OutputResolution = CommonData.DefaultResolution;
// Add the preview filter constraint
if (this.PreviewFilter != null)
{
job.Filters.Add(this.PreviewFilter);
}
// Save the preview image
this.imgPreview.ImageUrl = null;
if (File.Exists(this.TemporarySourceImageFilePath))
{
// Jpeg images does not allow transparent images - Apply the right back color!
FormatEncoderParams format = new JpegFormatEncoderParams();
using (System.Drawing.Image previewImage = job.GetProcessedImage(this.TemporarySourceImageFilePath, format))
{
ImageArchiver.SaveImageToFileSystem(previewImage, this.PreviewImageFilePath, format);
// Force the reload of the preview
this.imgPreview.ImageUrl = this.PreviewImageUrl;
this.imgPreview.Width = Unit.Pixel(previewImage.Size.Width);
this.imgPreview.Height = Unit.Pixel(previewImage.Size.Height);
}
}
}
}
if (string.IsNullOrEmpty(this.imgPreview.ImageUrl))
{
// Set a dummy image (for xhtml compliance)
this.imgPreview.ImageUrl = this.ResolveUrl("blank.gif");
this.imgPreview.Width = Unit.Pixel(1);
this.imgPreview.Height = Unit.Pixel(1);
}
this.imgPreview.BorderColor = this._PreviewBorderColor;
this.imgPreview.BorderStyle = this._PreviewBorderStyle;
this.imgPreview.BorderWidth = this._PreviewBorderWidth;
if (this._CropConstraint == null)
{
// Crop disabled
this.popupPictureTrimmer1.ShowZoomPanel = false;
}
// Update the configuration UI
this.litSelectConfiguration.Text = this.Text_ConfigurationLabel;
this.ddlConfigurations.Items.Clear();
string[] configurations = this.Configurations;
if (configurations != null)
{
for (int i = 0; i < configurations.Length; i++)
{
this.ddlConfigurations.Items.Add(new ListItem(configurations[i], i.ToString(System.Globalization.CultureInfo.InvariantCulture)));
}
this.ddlConfigurations.SelectedIndex = this.SelectedConfigurationIndex.Value;
}
this.ddlConfigurations.Attributes["onchange"] = "CodeCarvings.Wcs.Piczard.Upload.SimpleImageUpload.onConfigurationChange(\"" + JSHelper.EncodeString(this.ClientID) + "\");";
// Hide the SELECT element to mantain compliance with XHTML specs (SELECT cannot be emtpy...)
if (this.ddlConfigurations.Items.Count > 0)
{
this.ddlConfigurations.Visible = true;
}
else
{
this.ddlConfigurations.Visible = false;
}
if (!string.IsNullOrEmpty(this._CssClass))
{
string[] classes = this._CssClass.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (Array.IndexOf<string>(classes, "ccpz_fobr") >= 0)
{
this.popupPictureTrimmer1.CssClass = string.IsNullOrEmpty(this.popupPictureTrimmer1.CssClass) ? "ccpz_fobr" : this.popupPictureTrimmer1.CssClass + " ccpz_fobr";
}
}
base.OnPreRender(e);
}
protected void SaveImage()
{
string savedImageFileName = "";
FormatEncoderParams formatEncoderParams = null;
object source = null;
switch (this.ddlSourceType.SelectedIndex)
{
case 0:
// File system
source = this.imgLoaded.ImageUrl;
break;
case 1:
// Byte array
source = System.IO.File.ReadAllBytes(Server.MapPath(this.imgLoaded.ImageUrl));
break;
case 2:
// Stream
source = System.IO.File.OpenRead(Server.MapPath(this.imgLoaded.ImageUrl));
// Note: The stream will be automatically closed/disposed by the LoadedImage class
break;
}
using (LoadedImage loadedImage = ImageArchiver.LoadImage(source))
{
switch (this.ddlImageFormat.SelectedValue)
{
case "Auto":
formatEncoderParams = ImageArchiver.GetDefaultFormatEncoderParams();
break;
case "JPEG":
formatEncoderParams = new JpegFormatEncoderParams(int.Parse(this.txtJpegQuality.Text));
break;
case "GIF":
GifFormatEncoderParams gifFormatEncoderParams = new GifFormatEncoderParams();
formatEncoderParams = gifFormatEncoderParams;
gifFormatEncoderParams.QuantizeImage = this.cbGifQuantize.Checked;
if (this.cbGifQuantize.Checked)
{
gifFormatEncoderParams.MaxColors = int.Parse(this.ddlGifMaxColors.SelectedValue);
}
break;
case "PNG":
PngFormatEncoderParams pngformatEncoderParams = new PngFormatEncoderParams();
formatEncoderParams = pngformatEncoderParams;
pngformatEncoderParams.ConvertToIndexed = this.cbPngConvertToIndex.Checked;
if (this.cbPngConvertToIndex.Checked)
{
pngformatEncoderParams.MaxColors = int.Parse(this.ddlPngMaxColors.SelectedValue);
}
break;
}
savedImageFileName = "~/repository/output/Ex_A_103" + formatEncoderParams.FileExtension;
// IMPORTANT NOTE: Apply a Noop (No Operation) filter to prevent a known GDI+ problem with transparent images
// Example: http://forums.asp.net/t/1235100.aspx
switch (this.ddlOutputType.SelectedIndex)
{
case 0:
// File system
new NoopFilter().SaveProcessedImageToFileSystem(loadedImage.Image, savedImageFileName, formatEncoderParams);
break;
case 1:
// Byte array
byte[] imageBytes = new NoopFilter().SaveProcessedImageToByteArray(loadedImage.Image, formatEncoderParams);
System.IO.File.WriteAllBytes(Server.MapPath(savedImageFileName), imageBytes);
break;
case 2:
// Stream
using (System.IO.Stream stream = System.IO.File.OpenWrite(Server.MapPath(savedImageFileName)))
{
new NoopFilter().SaveProcessedImageToStream(loadedImage.Image, stream, formatEncoderParams);
}
break;
}
}
// Update the displayed image (add a timestamp parameter to the query URL to ensure that the image is reloaded by the browser)
this.imgSaved.ImageUrl = savedImageFileName + "?timestamp=" + DateTime.UtcNow.Ticks.ToString();
this.phOutputPreview.Visible = true;
// Display extension and size of both files
this.litLoadedImageFileDetails.Text = System.IO.Path.GetExtension(this.imgLoaded.ImageUrl).ToUpper() + " file (" + (new System.IO.FileInfo(Server.MapPath(this.imgLoaded.ImageUrl))).Length.ToString() + " bytes)";
this.litSavedImageFileDetails.Text = System.IO.Path.GetExtension(savedImageFileName).ToUpper() + " file (" + (new System.IO.FileInfo(Server.MapPath(savedImageFileName))).Length.ToString() + " bytes)";
}
protected void SaveImage()
{
string savedImageFileName = "";
FormatEncoderParams formatEncoderParams = null;
object source = null;
switch (this.ddlSourceType.SelectedIndex)
{
case 0:
// File system
source = this.imgLoaded.ImageUrl;
break;
case 1:
// Byte array
source = System.IO.File.ReadAllBytes(Server.MapPath(this.imgLoaded.ImageUrl));
break;
case 2:
// Stream
source = System.IO.File.OpenRead(Server.MapPath(this.imgLoaded.ImageUrl));
// Note: The stream will be automatically closed/disposed by the LoadedImage class
break;
}
using (LoadedImage loadedImage = ImageArchiver.LoadImage(source))
{
switch(this.ddlImageFormat.SelectedValue)
{
case "Auto":
formatEncoderParams = ImageArchiver.GetDefaultFormatEncoderParams();
break;
case "JPEG":
formatEncoderParams = new JpegFormatEncoderParams(int.Parse(this.txtJpegQuality.Text));
break;
case "GIF":
GifFormatEncoderParams gifFormatEncoderParams = new GifFormatEncoderParams();
formatEncoderParams = gifFormatEncoderParams;
gifFormatEncoderParams.QuantizeImage = this.cbGifQuantize.Checked;
if (this.cbGifQuantize.Checked)
{
gifFormatEncoderParams.MaxColors = int.Parse(this.ddlGifMaxColors.SelectedValue);
}
break;
case "PNG":
PngFormatEncoderParams pngformatEncoderParams = new PngFormatEncoderParams();
formatEncoderParams = pngformatEncoderParams;
pngformatEncoderParams.ConvertToIndexed = this.cbPngConvertToIndex.Checked;
if (this.cbPngConvertToIndex.Checked)
{
pngformatEncoderParams.MaxColors = int.Parse(this.ddlPngMaxColors.SelectedValue);
}
break;
}
savedImageFileName = "~/repository/output/Ex_A_103" + formatEncoderParams.FileExtension;
// IMPORTANT NOTE: Apply a Noop (No Operation) filter to prevent a known GDI+ problem with transparent images
// Example: http://forums.asp.net/t/1235100.aspx
switch (this.ddlOutputType.SelectedIndex)
{
case 0:
// File system
new NoopFilter().SaveProcessedImageToFileSystem(loadedImage.Image, savedImageFileName, formatEncoderParams);
break;
case 1:
// Byte array
byte[] imageBytes = new NoopFilter().SaveProcessedImageToByteArray(loadedImage.Image, formatEncoderParams);
System.IO.File.WriteAllBytes(Server.MapPath(savedImageFileName), imageBytes);
break;
case 2:
// Stream
using (System.IO.Stream stream = System.IO.File.OpenWrite(Server.MapPath(savedImageFileName)))
{
new NoopFilter().SaveProcessedImageToStream(loadedImage.Image, stream, formatEncoderParams);
}
break;
}
}
// Update the displayed image (add a timestamp parameter to the query URL to ensure that the image is reloaded by the browser)
this.imgSaved.ImageUrl = savedImageFileName + "?timestamp=" + DateTime.UtcNow.Ticks.ToString();
this.phOutputPreview.Visible = true;
// Display extension and size of both files
this.litLoadedImageFileDetails.Text = System.IO.Path.GetExtension(this.imgLoaded.ImageUrl).ToUpper() + " file (" + (new System.IO.FileInfo(Server.MapPath(this.imgLoaded.ImageUrl))).Length.ToString() + " bytes)";
this.litSavedImageFileDetails.Text = System.IO.Path.GetExtension(savedImageFileName).ToUpper() + " file (" + (new System.IO.FileInfo(Server.MapPath(savedImageFileName))).Length.ToString() + " bytes)";
}