protected void ProcessImage()
{
// Setup the source file name and the output file name
string sourceImageFileName = this.imgSource.ImageUrl;
string outputImageFileName = "~/repository/output/Ex_A_102.jpg";
// Setup a collection and add filters selected by the user
ImageProcessingFilterCollection filters = new ImageProcessingFilterCollection();
string[] sortedFilterIDS = this.hfFilterList.Value.Split(',');
// The filterIDS contains the sorted filters that we have to apply...
for (int i = 0; i < sortedFilterIDS.Length; i++)
{
string filterID = sortedFilterIDS[i];
switch (filterID)
{
case "filterRotate":
if (this.cbFilterRotate.Checked)
{
// Rotate the image by 90°
filters.Add(ImageTransformation.Rotate90);
}
break;
case "filterResize":
if (this.cbFilterResize.Checked)
{
// Resize the image so that it can be contained within a 280 x 280 square
filters.Add(new ScaledResizeConstraint(280, 280));
}
break;
case "filterChangeColors":
if (this.cbFilterChangeColors.Checked)
{
// Change hue, saturation, brightness and contrast of the image
filters.Add(new ImageAdjustmentsFilter(30, 50, 20, -50));
}
break;
case "filterWatermark":
if (this.cbFilterWatermark.Checked)
{
// Apply an image watermak
ImageWatermark watermark = new ImageWatermark("~/repository/watermark/piczardWatermark1.png");
watermark.ContentAlignment = System.Drawing.ContentAlignment.BottomRight;
filters.Add(watermark);
}
break;
}
}
// Process the image
filters.SaveProcessedImageToFileSystem(sourceImageFileName, outputImageFileName);
// Update the displayed image (add a timestamp parameter to the query URL to ensure that the image is reloaded by the browser)
this.imgOutput.ImageUrl = outputImageFileName + "?timestamp=" + DateTime.UtcNow.Ticks.ToString();
}
protected void ProcessImage()
{
// Setup the source file name and the output file name
string sourceImageFileName = this.imgSource.ImageUrl;
string outputImageFileName = "~/repository/output/Ex_A_102.jpg";
// Setup a collection and add filters selected by the user
ImageProcessingFilterCollection filters = new ImageProcessingFilterCollection();
string[] sortedFilterIDS = this.hfFilterList.Value.Split(',');
// The filterIDS contains the sorted filters that we have to apply...
for (int i = 0; i < sortedFilterIDS.Length; i++)
{
string filterID = sortedFilterIDS[i];
switch (filterID)
{
case "filterRotate":
if (this.cbFilterRotate.Checked)
{
// Rotate the image by 90°
filters.Add(ImageTransformation.Rotate90);
}
break;
case "filterResize":
if (this.cbFilterResize.Checked)
{
// Resize the image so that it can be contained within a 280 x 280 square
filters.Add(new ScaledResizeConstraint(280, 280));
}
break;
case "filterChangeColors":
if (this.cbFilterChangeColors.Checked)
{
// Change hue, saturation, brightness and contrast of the image
filters.Add(new ImageAdjustmentsFilter(30, 50, 20, -50));
}
break;
case "filterWatermark":
if (this.cbFilterWatermark.Checked)
{
// Apply an image watermak
ImageWatermark watermark = new ImageWatermark("~/repository/watermark/piczardWatermark1.png");
watermark.ContentAlignment = System.Drawing.ContentAlignment.BottomRight;
filters.Add(watermark);
}
break;
}
}
// Process the image
filters.SaveProcessedImageToFileSystem(sourceImageFileName, outputImageFileName);
// Update the displayed image (add a timestamp parameter to the query URL to ensure that the image is reloaded by the browser)
this.imgOutput.ImageUrl = outputImageFileName + "?timestamp=" + DateTime.UtcNow.Ticks.ToString();
}
protected void UpdateDemoParameters()
{
// Unload the current image if necessary
if (this.ImageUpload1.HasImage)
{
this.ImageUpload1.UnloadImage();
}
this.ddlCropConstraintMode.Enabled = this.cbEnableInteractiveImageProcessing.Checked;
this.cbAutoOpenImageEditPopupAfterUpload.Enabled = this.cbEnableInteractiveImageProcessing.Checked;
this.ImageUpload1.EnableEdit = this.cbEnableInteractiveImageProcessing.Checked;
this.txtInteractiveImageProcessing.Text = this.ImageUpload1.EnableEdit ? "" : "// Disable interactive image processing features\r\nImageUpload1.EnableEdit = false;\r\n";
if (this.ImageUpload1.EnableEdit)
{
switch (this.ddlCropConstraintMode.SelectedIndex)
{
case 0:
// Crop enabled: Fixed size
this.ImageUpload1.CropConstraint = new FixedCropConstraint(300, 200);
this.txtInteractiveImageProcessing.Text += "// Add a fixed size crop constraint (300 x 200 pixels)\r\n";
this.txtInteractiveImageProcessing.Text += "ImageUpload1.CropConstraint = new FixedCropConstraint(300, 200);\r\n";
break;
case 1:
// Crop enabled: Fixed aspect ratio
this.ImageUpload1.CropConstraint = new FixedAspectRatioCropConstraint(16F / 9F);
this.txtInteractiveImageProcessing.Text += "// Add a fixed aspect ratio crop constraint (asperct ratio = 16:9)\r\n";
this.txtInteractiveImageProcessing.Text += "ImageUpload1.CropConstraint = new FixedAspectRatioCropConstraint(16F / 9F);\r\n";
break;
case 2:
// Crop enabled: Free size
this.ImageUpload1.CropConstraint = new FreeCropConstraint();
this.txtInteractiveImageProcessing.Text += "// Add a free crop constraint\r\n";
this.txtInteractiveImageProcessing.Text += "ImageUpload1.CropConstraint = new FreeCropConstraint();\r\n";
break;
case 3:
// Crop disabled
this.ImageUpload1.CropConstraint = null;
break;
}
}
else
{
// Reset the CropConstraint
this.ImageUpload1.CropConstraint = null;
}
this.ImageUpload1.AutoOpenImageEditPopupAfterUpload = this.ddlCropConstraintMode.Enabled ? this.cbAutoOpenImageEditPopupAfterUpload.Checked : false;
this.txtInteractiveImageProcessing.Text += this.ImageUpload1.AutoOpenImageEditPopupAfterUpload ? "// Automatically open image edit window after upload\r\nImageUpload1.AutoOpenImageEditPopupAfterUpload = true;\r\n" : "";
this.txtInteractiveImageProcessing.Rows = this.txtInteractiveImageProcessing.Text.Split('\n').Length - 1;
this.txtInteractiveImageProcessing.Visible = !string.IsNullOrEmpty(this.txtInteractiveImageProcessing.Text);
// Create a filter collection to handle multiple filters
ImageProcessingFilterCollection postProcessing = new ImageProcessingFilterCollection();
string postProcessingCode = "";
if (this.cbPostProcessing_Resize.Checked)
{
// Add the resize filter
postProcessing.Add(new ScaledResizeConstraint(200, 200));
postProcessingCode += "new ScaledResizeConstraint(200, 200)";
}
if (this.cbPostProcessing_Grayscale.Checked)
{
// Add the graysacale filter
postProcessing.Add(CodeCarvings.Piczard.Filters.Colors.DefaultColorFilters.Grayscale);
if (!string.IsNullOrEmpty(postProcessingCode))
{
postProcessingCode += " + ";
}
postProcessingCode += "DefaultColorFilters.Grayscale";
}
if (this.cbPostProcessing_Watermark.Checked)
{
// Add the watermark filter
postProcessing.Add(new CodeCarvings.Piczard.Filters.Watermarks.ImageWatermark("~/repository/watermark/piczardWatermark1.png", System.Drawing.ContentAlignment.BottomRight));
if (!string.IsNullOrEmpty(postProcessingCode))
{
postProcessingCode += " + ";
}
postProcessingCode += "new ImageWatermark(\"~/watermark1.png\", ContentAlignment.BottomRight)";
}
this.ImageUpload1.PostProcessingFilter = postProcessing;
if (!string.IsNullOrEmpty(postProcessingCode))
{
this.txtPostProcessing.Text = "// Add the post-processing filters\r\nImageUpload1.PostProcessingFilter = " + postProcessingCode + ";\r\n";
}
else
{
this.txtPostProcessing.Text = "";
}
this.txtPostProcessing.Visible = !string.IsNullOrEmpty(this.txtPostProcessing.Text);
this.txtPostProcessing.Rows = postProcessing.Count + 2;
if (this.cbPreviewConstriant.Checked)
{
this.ImageUpload1.PreviewFilter = new FixedResizeConstraint(200, 200, Color.Black);
}
else
{
this.ImageUpload1.PreviewFilter = null;
}
this.txtPreviewConstriant.Text = this.cbPreviewConstriant.Checked ? "// Set a square resize constraint (200 x 200 pixels, bg:black) for the preview\r\nImageUpload1.PreviewFilter = new FixedResizeConstraint(200, 200, Color.Black);\r\n" : "";
this.txtPreviewConstriant.Visible = !string.IsNullOrEmpty(this.txtPreviewConstriant.Text);
this.txtValidateImageSize.Visible = this.cbValidateImageSize.Checked;
}
protected void UpdateDemoParameters()
{
// Unload the current image if necessary
if (this.ImageUpload1.HasImage)
{
this.ImageUpload1.UnloadImage();
}
this.ddlCropConstraintMode.Enabled = this.cbEnableInteractiveImageProcessing.Checked;
this.cbAutoOpenImageEditPopupAfterUpload.Enabled = this.cbEnableInteractiveImageProcessing.Checked;
this.ImageUpload1.EnableEdit = this.cbEnableInteractiveImageProcessing.Checked;
this.txtInteractiveImageProcessing.Text = this.ImageUpload1.EnableEdit ? "" : "// Disable interactive image processing features\r\nImageUpload1.EnableEdit = false;\r\n";
if (this.ImageUpload1.EnableEdit)
{
switch (this.ddlCropConstraintMode.SelectedIndex)
{
case 0:
// Crop enabled: Fixed size
this.ImageUpload1.CropConstraint = new FixedCropConstraint(300, 200);
this.txtInteractiveImageProcessing.Text += "// Add a fixed size crop constraint (300 x 200 pixels)\r\n";
this.txtInteractiveImageProcessing.Text += "ImageUpload1.CropConstraint = new FixedCropConstraint(300, 200);\r\n";
break;
case 1:
// Crop enabled: Fixed aspect ratio
this.ImageUpload1.CropConstraint = new FixedAspectRatioCropConstraint(16F / 9F);
this.txtInteractiveImageProcessing.Text += "// Add a fixed aspect ratio crop constraint (asperct ratio = 16:9)\r\n";
this.txtInteractiveImageProcessing.Text += "ImageUpload1.CropConstraint = new FixedAspectRatioCropConstraint(16F / 9F);\r\n";
break;
case 2:
// Crop enabled: Free size
this.ImageUpload1.CropConstraint = new FreeCropConstraint();
this.txtInteractiveImageProcessing.Text += "// Add a free crop constraint\r\n";
this.txtInteractiveImageProcessing.Text += "ImageUpload1.CropConstraint = new FreeCropConstraint();\r\n";
break;
case 3:
// Crop disabled
this.ImageUpload1.CropConstraint = null;
break;
}
}
else
{
// Reset the CropConstraint
this.ImageUpload1.CropConstraint = null;
}
this.ImageUpload1.AutoOpenImageEditPopupAfterUpload = this.ddlCropConstraintMode.Enabled ? this.cbAutoOpenImageEditPopupAfterUpload.Checked : false;
this.txtInteractiveImageProcessing.Text += this.ImageUpload1.AutoOpenImageEditPopupAfterUpload ? "// Automatically open image edit window after upload\r\nImageUpload1.AutoOpenImageEditPopupAfterUpload = true;\r\n" : "";
this.txtInteractiveImageProcessing.Rows = this.txtInteractiveImageProcessing.Text.Split('\n').Length - 1;
this.txtInteractiveImageProcessing.Visible = !string.IsNullOrEmpty(this.txtInteractiveImageProcessing.Text);
// Create a filter collection to handle multiple filters
ImageProcessingFilterCollection postProcessing = new ImageProcessingFilterCollection();
string postProcessingCode = "";
if (this.cbPostProcessing_Resize.Checked)
{
// Add the resize filter
postProcessing.Add(new ScaledResizeConstraint(200, 200));
postProcessingCode += "new ScaledResizeConstraint(200, 200)";
}
if (this.cbPostProcessing_Grayscale.Checked)
{
// Add the graysacale filter
postProcessing.Add(CodeCarvings.Piczard.Filters.Colors.DefaultColorFilters.Grayscale);
if (!string.IsNullOrEmpty(postProcessingCode))
{
postProcessingCode += " + ";
}
postProcessingCode += "DefaultColorFilters.Grayscale";
}
if (this.cbPostProcessing_Watermark.Checked)
{
// Add the watermark filter
postProcessing.Add(new CodeCarvings.Piczard.Filters.Watermarks.ImageWatermark("~/repository/watermark/piczardWatermark1.png", System.Drawing.ContentAlignment.BottomRight));
if (!string.IsNullOrEmpty(postProcessingCode))
{
postProcessingCode += " + ";
}
postProcessingCode += "new ImageWatermark(\"~/watermark1.png\", ContentAlignment.BottomRight)";
}
this.ImageUpload1.PostProcessingFilter = postProcessing;
if (!string.IsNullOrEmpty(postProcessingCode))
{
this.txtPostProcessing.Text = "// Add the post-processing filters\r\nImageUpload1.PostProcessingFilter = " + postProcessingCode + ";\r\n";
}
else
{
this.txtPostProcessing.Text = "";
}
this.txtPostProcessing.Visible = !string.IsNullOrEmpty(this.txtPostProcessing.Text);
this.txtPostProcessing.Rows = postProcessing.Count + 2;
if (this.cbPreviewConstriant.Checked)
{
this.ImageUpload1.PreviewFilter = new FixedResizeConstraint(200, 200, Color.Black);
}
else
{
this.ImageUpload1.PreviewFilter = null;
}
this.txtPreviewConstriant.Text = this.cbPreviewConstriant.Checked ? "// Set a square resize constraint (200 x 200 pixels, bg:black) for the preview\r\nImageUpload1.PreviewFilter = new FixedResizeConstraint(200, 200, Color.Black);\r\n" : "";
this.txtPreviewConstriant.Visible = !string.IsNullOrEmpty(this.txtPreviewConstriant.Text);
this.txtValidateImageSize.Visible = this.cbValidateImageSize.Checked;
}