protected void Page_Load(object sender, EventArgs e)
{
if (this.ScriptManager1.IsInAsyncPostBack)
{
// After every Ajax postback re-initialize the JQuery UI elements
ScriptManager.RegisterClientScriptBlock(this.Page, this.Page.GetType(), "initializeUI", "initializeUI();", true);
}
if (!this.ScriptManager1.IsInAsyncPostBack)
{
// Load the fancybox script
ExamplesHelper.LoadLibrary_FancyBox(this);
}
// Reset some settings after every postback...
this.MyUpdateProgress1.AssociatedUpdatePanelID = this.UpdatePanel1.UniqueID;
// Reset the OnClientControlLoad event hanlder (used to display the output image when the btnProcessImage is clicked
this.InlinePictureTrimmer1.OnClientControlLoadFunction = "";
if (!this.IsPostBack)
{
// Load the image
FixedCropConstraint cropConstraint = new FixedCropConstraint(250, 150);
cropConstraint.Margins.SetZero();
this.InlinePictureTrimmer1.LoadImageFromFileSystem(SourceImageFileName, cropConstraint);
}
}
protected void btnLoadImage_Click(object sender, EventArgs e)
{
if (this.InlinePictureTrimmer1.ImageLoaded)
{
// Unload the image
this.InlinePictureTrimmer1.UnloadImage();
this.btnProcessImage.Enabled = false;
this.ddlImageSelectionStrategy.Enabled = true;
this.ddlOutputResolution.Enabled = true;
this.btnLoadImage.Text = "Load image";
}
else
{
// Load the image
float outputResolution = float.Parse(this.ddlOutputResolution.SelectedValue, System.Globalization.CultureInfo.InvariantCulture);
CropConstraint cropConstrant = new FixedCropConstraint(GfxUnit.Pixel, 350, 250);
cropConstrant.DefaultImageSelectionStrategy = (CropConstraintImageSelectionStrategy)Enum.Parse(typeof(CropConstraintImageSelectionStrategy), this.ddlImageSelectionStrategy.SelectedValue);
if (cropConstrant.DefaultImageSelectionStrategy == CropConstraintImageSelectionStrategy.Slice)
{
cropConstrant.Margins.SetZero();
}
this.InlinePictureTrimmer1.AllowResize = cropConstrant.DefaultImageSelectionStrategy != CropConstraintImageSelectionStrategy.DoNotResize;
this.InlinePictureTrimmer1.LoadImageFromFileSystem(SourceImageFileName, outputResolution, cropConstrant);
this.btnProcessImage.Enabled = true;
this.ddlImageSelectionStrategy.Enabled = false;
this.ddlOutputResolution.Enabled = false;
this.btnLoadImage.Text = "Unload image";
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (this.ScriptManager1.IsInAsyncPostBack)
{
// After every Ajax postback re-initialize the JQuery UI elements
ScriptManager.RegisterClientScriptBlock(this.Page, this.Page.GetType(), "initializeUI", "initializeUI();", true);
}
if (!this.ScriptManager1.IsInAsyncPostBack)
{
// Load the fancybox script
ExamplesHelper.LoadLibrary_FancyBox(this);
}
// Reset some settings after every postback...
this.MyUpdateProgress1.AssociatedUpdatePanelID = this.UpdatePanel1.UniqueID;
// Reset the OnClientControlLoad event hanlder (used to display the output image when the btnProcessImage is clicked
this.InlinePictureTrimmer1.OnClientControlLoadFunction = "";
if (!this.IsPostBack)
{
// Load the image
FixedCropConstraint cropConstraint = new FixedCropConstraint(250, 150);
cropConstraint.Margins.SetZero();
this.InlinePictureTrimmer1.LoadImageFromFileSystem(SourceImageFileName, cropConstraint);
}
}
protected void laodImage(string sourceImagePath)
{
FixedCropConstraint cropConstraint = new FixedCropConstraint(350, 250);
cropConstraint.DefaultImageSelectionStrategy = CropConstraintImageSelectionStrategy.DoNotResize;
// Load the image in the PictureTrimmer control
this.InlinePictureTrimmer1.LoadImageFromFileSystem(sourceImagePath, cropConstraint);
// Store the source image file path in the viewstate
this.SourceImageFilePath = Server.MapPath(sourceImagePath);
}
protected void laodImage(string sourceImagePath)
{
FixedCropConstraint cropConstraint = new FixedCropConstraint(350, 250);
cropConstraint.DefaultImageSelectionStrategy = CropConstraintImageSelectionStrategy.DoNotResize;
// Load the image in the PictureTrimmer control
this.InlinePictureTrimmer1.LoadImageFromFileSystem(sourceImagePath, cropConstraint);
// Store the source image file path in the viewstate
this.SourceImageFilePath = Server.MapPath(sourceImagePath);
}
private CropConstraint GetCropConstraint(int configuration)
{
FixedCropConstraint result;
if (configuration == 0)
{
// Landscape crop constraint
result = new FixedCropConstraint(300, 200);
}
else
{
// Portrait crop constraint
result = new FixedCropConstraint(200, 300);
}
return(result);
}
protected void Page_Load(object sender, EventArgs e)
{
if (this.ScriptManager1.IsInAsyncPostBack)
{
// After every Ajax postback re-initialize the JQuery UI elements
ScriptManager.RegisterClientScriptBlock(this.Page, this.Page.GetType(), "initializeUI", "initializeUI(); initializeExampleUI();", true);
}
if (!this.ScriptManager1.IsInAsyncPostBack)
{
// Load the custom CSS used by the PopupPictureTrimmer
System.Web.UI.HtmlControls.HtmlLink lightBoxCustomCSS = new System.Web.UI.HtmlControls.HtmlLink();
lightBoxCustomCSS.Href = this.ResolveUrl("CodeCarvings.Piczard.LightBox.Custom.css");
lightBoxCustomCSS.Attributes.Add("rel", "stylesheet");
lightBoxCustomCSS.Attributes.Add("type", "text/css");
this.Header.FindControl("phHeader").Controls.Add(lightBoxCustomCSS);
// Load the colorpicker script
ExamplesHelper.LoadLibrary_ColorPicker(this);
}
if (!this.IsPostBack)
{
// Load the image
CropConstraint cropConstraint = new FixedCropConstraint(100, 100);
cropConstraint.DefaultImageSelectionStrategy = CropConstraintImageSelectionStrategy.DoNotResize;
this.InlinePictureTrimmer1.LoadImageFromFileSystem("~/repository/source/flowers2.png", cropConstraint);
this.PopupPictureTrimmer1.LoadImageFromFileSystem("~/repository/source/flowers2.png", cropConstraint);
}
// Configure the PictureTrimmer instances
this.SetPictureTrimmerConfiguration(this.InlinePictureTrimmer1);
this.SetPictureTrimmerConfiguration(this.PopupPictureTrimmer1);
this.PopupPictureTrimmer1.LightBoxCssClass = this.ddlPopupLightBoxCssClass.SelectedValue;
this.cbShowResizePanel.Enabled = this.cbAllowResize.Checked;
// Reset some settings after every postback...
this.MyUpdateProgress1.AssociatedUpdatePanelID = this.UpdatePanel1.UniqueID;
}
protected void Page_Load(object sender, EventArgs e)
{
if (this.ScriptManager1.IsInAsyncPostBack)
{
// After every Ajax postback re-initialize the JQuery UI elements
ScriptManager.RegisterClientScriptBlock(this.Page, this.Page.GetType(), "initializeUI", "initializeUI(); initializeExampleUI();", true);
}
if (!this.ScriptManager1.IsInAsyncPostBack)
{
// Load the custom CSS used by the PopupPictureTrimmer
System.Web.UI.HtmlControls.HtmlLink lightBoxCustomCSS = new System.Web.UI.HtmlControls.HtmlLink();
lightBoxCustomCSS.Href = this.ResolveUrl("CodeCarvings.Piczard.LightBox.Custom.css");
lightBoxCustomCSS.Attributes.Add("rel", "stylesheet");
lightBoxCustomCSS.Attributes.Add("type", "text/css");
this.Header.FindControl("phHeader").Controls.Add(lightBoxCustomCSS);
// Load the colorpicker script
ExamplesHelper.LoadLibrary_ColorPicker(this);
}
if (!this.IsPostBack)
{
// Load the image
CropConstraint cropConstraint = new FixedCropConstraint(100, 100);
cropConstraint.DefaultImageSelectionStrategy = CropConstraintImageSelectionStrategy.DoNotResize;
this.InlinePictureTrimmer1.LoadImageFromFileSystem("~/repository/source/flowers2.png", cropConstraint);
this.PopupPictureTrimmer1.LoadImageFromFileSystem("~/repository/source/flowers2.png", cropConstraint);
}
// Configure the PictureTrimmer instances
this.SetPictureTrimmerConfiguration(this.InlinePictureTrimmer1);
this.SetPictureTrimmerConfiguration(this.PopupPictureTrimmer1);
this.PopupPictureTrimmer1.LightBoxCssClass = this.ddlPopupLightBoxCssClass.SelectedValue;
this.cbShowResizePanel.Enabled = this.cbAllowResize.Checked;
// Reset some settings after every postback...
this.MyUpdateProgress1.AssociatedUpdatePanelID = this.UpdatePanel1.UniqueID;
}
protected CropConstraint getCropConstraint()
{
// Get the crop constraint associated with the image orientation currently selected
FixedCropConstraint result;
if (this.ddlCropOrientation.SelectedIndex == 0)
{
// Return the landscape crop constraint
result = new FixedCropConstraint(250, 150);
result.Margins.SetZero();
}
else
{
// Return the portrait crop constraint
result = new FixedCropConstraint(150, 250);
result.Margins.SetZero();
}
return(result);
}
private void LoadImageInPiczard(string photoImage)
{
string imageUrl = Session["ImageUrl"].ToString();
string lastPart = imageUrl.Split('/').Last();
string[] getPath = CommonUtilities.GetPath();
//for normal pictures
string galleryPath = getPath[0] + "/" + getPath[1] + "/" + _tributeUrl.Replace(" ", "_") + "_" + _tributeType.Replace(" ", "_");
galleryPath = galleryPath + "/" + lastPart;
System.Drawing.Image uploadedImage = System.Drawing.Image.FromFile(galleryPath);
float uploadedImageWidth = uploadedImage.PhysicalDimension.Width;
float uploadedImageHeight = uploadedImage.PhysicalDimension.Height;
float outputResolution = float.Parse(this.ddlOutputResolution.SelectedValue,
System.Globalization.CultureInfo.InvariantCulture);
CropConstraint cropConstrant = new FixedCropConstraint(GfxUnit.Pixel, uploadedImageWidth, uploadedImageHeight);
cropConstrant.DefaultImageSelectionStrategy =
(CropConstraintImageSelectionStrategy)
Enum.Parse(typeof(CropConstraintImageSelectionStrategy), this.ddlImageSelectionStrategy.SelectedValue);
if (cropConstrant.DefaultImageSelectionStrategy == CropConstraintImageSelectionStrategy.Slice)
{
cropConstrant.Margins.SetZero();
}
this.InlinePictureTrimmer1.AllowResize = cropConstrant.DefaultImageSelectionStrategy !=
CropConstraintImageSelectionStrategy.DoNotResize;
this.InlinePictureTrimmer1.LoadImageFromFileSystem(galleryPath, outputResolution, cropConstrant);
}
private CropConstraint GetCropConstraint(int configuration)
{
FixedCropConstraint result;
if (configuration == 0)
{
// Landscape crop constraint
result = new FixedCropConstraint(300, 200);
}
else
{
// Portrait crop constraint
result = new FixedCropConstraint(200, 300);
}
return result;
}
protected override void Apply(ImageProcessingActionExecuteArgs args)
{
Bitmap result = null;
try
{
// Create the result image
result = new Bitmap(350, 350, CodeCarvings.Piczard.CommonData.DefaultPixelFormat);
// Set the right image resolution (DPI)
ImageHelper.SetImageResolution(result, args.ImageProcessingJob.OutputResolution);
using (Graphics g = Graphics.FromImage(result))
{
// Use the max quality
ImageHelper.SetGraphicsMaxQuality(g);
if ((args.IsLastAction) && (!args.AppliedImageBackColorValue.HasValue))
{
// Optimization (not mandatory)
// This is the last filter action and the ImageBackColor has not been yet applied...
// Apply the ImageBackColor now to save RAM & CPU
args.ApplyImageBackColor(g);
}
using (ImageAttributes imageAttributes = new ImageAttributes())
{
// Important
imageAttributes.SetWrapMode(WrapMode.TileFlipXY);
// Draw the scaled image
Rectangle destinationRectangle = new Rectangle(75, 52, 200, 200);
using (Image resizedImage = new FixedCropConstraint(GfxUnit.Pixel, destinationRectangle.Size).GetProcessedImage(args.Image))
{
g.DrawImage(resizedImage, destinationRectangle, 0, 0, resizedImage.Width, resizedImage.Height, GraphicsUnit.Pixel, imageAttributes);
// Draw the reflection
destinationRectangle = new Rectangle(75, 252, 200, 98);
using (Image flippedImage = ImageTransformation.FlipVertical.GetProcessedImage(resizedImage))
{
g.DrawImage(flippedImage, destinationRectangle, 0, 0, flippedImage.Width, flippedImage.Height, GraphicsUnit.Pixel, imageAttributes);
}
}
// Draw the mask
destinationRectangle = new Rectangle(0, 0, result.Width, result.Height);
using (LoadedImage loadedImage = ImageArchiver.LoadImage("~/repository/filters/MyCustomFilter1Mask.png"))
{
g.DrawImage(loadedImage.Image, destinationRectangle, 0, 0, loadedImage.Size.Width, loadedImage.Size.Height, GraphicsUnit.Pixel, imageAttributes);
}
}
// Draw the text
string text = "Generated by 'MyCustomFilter1' on " + DateTime.Now.ToString();
FontDefinition fontDefinition = new FontDefinition();
fontDefinition.Size = 12; //12px
using (Font font = fontDefinition.GetFont())
{
// Setup the custom parameters
g.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
using (StringFormat stringFormat = new StringFormat())
{
SizeF textSize = g.MeasureString(text, font, int.MaxValue, stringFormat);
Size pixelTextSize = new Size(Convert.ToInt32(Math.Round(textSize.Width)), Convert.ToInt32(Math.Round(textSize.Height)));
// Calculate the text position
Point location = new Point((result.Width - pixelTextSize.Width) / 2, result.Height - 14 - pixelTextSize.Height);
// Draw the text
using (Brush brush = new SolidBrush(ColorTranslator.FromHtml("#5b615d")))
{
g.DrawString(text, font, brush, location, stringFormat);
}
}
}
}
// Return the image
args.Image = result;
}
catch
{
// An error has occurred...
// Release the resources
if (result != null)
{
result.Dispose();
result = null;
}
// Re-throw the exception
throw;
}
}
protected override void Apply(ImageProcessingActionExecuteArgs args)
{
Bitmap result = null;
try
{
// Create the result image
result = new Bitmap(350, 350, CodeCarvings.Piczard.CommonData.DefaultPixelFormat);
// Set the right image resolution (DPI)
ImageHelper.SetImageResolution(result, args.ImageProcessingJob.OutputResolution);
using (Graphics g = Graphics.FromImage(result))
{
// Use the max quality
ImageHelper.SetGraphicsMaxQuality(g);
if ((args.IsLastAction) && (!args.AppliedImageBackColorValue.HasValue))
{
// Optimization (not mandatory)
// This is the last filter action and the ImageBackColor has not been yet applied...
// Apply the ImageBackColor now to save RAM & CPU
args.ApplyImageBackColor(g);
}
using (ImageAttributes imageAttributes = new ImageAttributes())
{
// Important
imageAttributes.SetWrapMode(WrapMode.TileFlipXY);
// Draw the scaled image
Rectangle destinationRectangle = new Rectangle(75, 52, 200, 200);
using (Image resizedImage = new FixedCropConstraint(GfxUnit.Pixel, destinationRectangle.Size).GetProcessedImage(args.Image))
{
g.DrawImage(resizedImage, destinationRectangle, 0, 0, resizedImage.Width, resizedImage.Height, GraphicsUnit.Pixel, imageAttributes);
// Draw the reflection
destinationRectangle = new Rectangle(75, 252, 200, 98);
using (Image flippedImage = ImageTransformation.FlipVertical.GetProcessedImage(resizedImage))
{
g.DrawImage(flippedImage, destinationRectangle, 0, 0, flippedImage.Width, flippedImage.Height, GraphicsUnit.Pixel, imageAttributes);
}
}
// Draw the mask
destinationRectangle = new Rectangle(0, 0, result.Width, result.Height);
using (LoadedImage loadedImage = ImageArchiver.LoadImage("~/repository/filters/MyCustomFilter1Mask.png"))
{
g.DrawImage(loadedImage.Image, destinationRectangle, 0, 0, loadedImage.Size.Width, loadedImage.Size.Height, GraphicsUnit.Pixel, imageAttributes);
}
}
// Draw the text
string text = "Generated by 'MyCustomFilter1' on " + DateTime.Now.ToString();
FontDefinition fontDefinition = new FontDefinition();
fontDefinition.Size = 12; //12px
using (Font font = fontDefinition.GetFont())
{
// Setup the custom parameters
g.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
using (StringFormat stringFormat = new StringFormat())
{
SizeF textSize = g.MeasureString(text, font, int.MaxValue, stringFormat);
Size pixelTextSize = new Size(Convert.ToInt32(Math.Round(textSize.Width)), Convert.ToInt32(Math.Round(textSize.Height)));
// Calculate the text position
Point location = new Point((result.Width - pixelTextSize.Width) / 2, result.Height - 14 - pixelTextSize.Height);
// Draw the text
using (Brush brush = new SolidBrush(ColorTranslator.FromHtml("#5b615d")))
{
g.DrawString(text, font, brush, location, stringFormat);
}
}
}
}
// Return the image
args.Image = result;
}
catch
{
// An error has occurred...
// Release the resources
if (result != null)
{
result.Dispose();
result = null;
}
// Re-throw the exception
throw;
}
}
protected void btnLoadImage_Click(object sender, EventArgs e)
{
// Update the Output resolution and the UI Unit
GfxUnit unit = (GfxUnit)Enum.Parse(typeof(GfxUnit), this.ddlUnit.SelectedValue);
this.InlinePictureTrimmer1.UIUnit = unit;
float outputResolution = float.Parse(this.ddlDPI.SelectedValue, CultureInfo.InvariantCulture);
CropConstraint cropConstrant = null;
switch (this.ddlCropMode.SelectedValue)
{
case "Fixed":
float fixedWidth = float.Parse(this.ddlConstraint_Fixed_Width.SelectedValue, CultureInfo.InvariantCulture);
float fixedHeight = float.Parse(this.ddlConstraint_Fixed_Height.SelectedValue, CultureInfo.InvariantCulture);
FixedCropConstraint fixedCropConstraint = new FixedCropConstraint(unit, fixedWidth, fixedHeight);
cropConstrant = fixedCropConstraint;
break;
case "FixedAspectRatio":
float aspectRatioX = float.Parse(this.ddlConstraint_FixedAspectRatio_X.SelectedValue, CultureInfo.InvariantCulture);
float aspectRatioY = float.Parse(this.ddlConstraint_FixedAspectRatio_Y.SelectedValue, CultureInfo.InvariantCulture);
float aspectRatio = aspectRatioX / aspectRatioY;
FixedAspectRatioCropConstraint fixedAspectRatioCropConstraint = new FixedAspectRatioCropConstraint(aspectRatio);
fixedAspectRatioCropConstraint.Unit = unit;
if ((this.cb_FixedAspectRatio_Min.Checked) || (this.cb_FixedAspectRatio_Max.Checked))
{
float minValue = float.Parse(this.ddlConstraint_FixedAspectRatio_Min.SelectedValue, CultureInfo.InvariantCulture);
float maxValue = float.Parse(this.ddlConstraint_FixedAspectRatio_Max.SelectedValue, CultureInfo.InvariantCulture);
// Ensure that Min value is not greater than Max value
if ((this.cb_FixedAspectRatio_Min.Checked) && (this.cb_FixedAspectRatio_Max.Checked))
{
if (maxValue < minValue)
{
// ERROR
ScriptManager.RegisterClientScriptBlock(this.Page, this.Page.GetType(), "FixedAspectRatioCropConstraintError1", "alert(\"Error: Min value cannot be greater than Max value.\");", true);
return;
}
}
fixedAspectRatioCropConstraint.LimitedDimension = (SizeDimension)Enum.Parse(typeof(SizeDimension), this.ddlConstraint_FixedAspectRatio_LimitedDimension.SelectedValue);
if (this.cb_FixedAspectRatio_Min.Checked)
{
fixedAspectRatioCropConstraint.Min = minValue;
}
if (this.cb_FixedAspectRatio_Max.Checked)
{
fixedAspectRatioCropConstraint.Max = maxValue;
}
}
cropConstrant = fixedAspectRatioCropConstraint;
break;
case "Free":
FreeCropConstraint freeCropConstraint = new FreeCropConstraint();
freeCropConstraint.Unit = unit;
if ((this.cb_Free_Width_Min.Checked) || (this.cb_Free_Width_Max.Checked))
{
float minWidth = float.Parse(this.ddlConstraint_Free_Width_Min.SelectedValue, CultureInfo.InvariantCulture);
float maxWidth = float.Parse(this.ddlConstraint_Free_Width_Max.SelectedValue, CultureInfo.InvariantCulture);
// Ensure that Min width is not greater than Max width
if ((this.cb_Free_Width_Min.Checked) && (this.cb_Free_Width_Max.Checked))
{
if (maxWidth < minWidth)
{
// ERROR
ScriptManager.RegisterClientScriptBlock(this.Page, this.Page.GetType(), "FreeCropConstraintError1", "alert(\"Error: Min width cannot be greater than Max width.\");", true);
return;
}
}
if (this.cb_Free_Width_Min.Checked)
{
freeCropConstraint.MinWidth = minWidth;
}
if (this.cb_Free_Width_Max.Checked)
{
freeCropConstraint.MaxWidth = maxWidth;
}
}
if ((this.cb_Free_Height_Min.Checked) || (this.cb_Free_Height_Max.Checked))
{
float minHeight = float.Parse(this.ddlConstraint_Free_Height_Min.SelectedValue, CultureInfo.InvariantCulture);
float maxHeight = float.Parse(this.ddlConstraint_Free_Height_Max.SelectedValue, CultureInfo.InvariantCulture);
// Ensure that Min height is not greater than Max height
if ((this.cb_Free_Height_Min.Checked) && (this.cb_Free_Height_Max.Checked))
{
if (maxHeight < minHeight)
{
// ERROR
ScriptManager.RegisterClientScriptBlock(this.Page, this.Page.GetType(), "FreeCropConstraintError2", "alert(\"Error: Min height cannot be greater than Max height.\");", true);
return;
}
}
if (this.cb_Free_Height_Min.Checked)
{
freeCropConstraint.MinHeight = minHeight;
}
if (this.cb_Free_Height_Max.Checked)
{
freeCropConstraint.MaxHeight = maxHeight;
}
}
cropConstrant = freeCropConstraint;
break;
}
// Setup the margins
if (this.ddlMarginsH.SelectedValue == "")
{
// Horizontal margin = automatic
cropConstrant.Margins.Horizontal = null;
}
else
{
// Hortizontal margin - custom value
cropConstrant.Margins.Horizontal = float.Parse(this.ddlMarginsH.SelectedValue, CultureInfo.InvariantCulture);
}
if (this.ddlMarginsV.SelectedValue == "")
{
// Horizontal margin = automatic
cropConstrant.Margins.Vertical = null;
}
else
{
// Hortizontal margin - custom value
cropConstrant.Margins.Vertical = float.Parse(this.ddlMarginsV.SelectedValue, CultureInfo.InvariantCulture);
}
// Setup the DefaultImageSelectionStrategy
cropConstrant.DefaultImageSelectionStrategy = (CropConstraintImageSelectionStrategy)Enum.Parse(typeof(CropConstraintImageSelectionStrategy), this.ddlImageSelectionStrategy.SelectedValue);
// Load the image
this.InlinePictureTrimmer1.LoadImageFromFileSystem("~/repository/source/donkey1.jpg", outputResolution, cropConstrant);
this.InlinePictureTrimmer1.Visible = true;
this.phBeforeLoad.Visible = false;
this.phAfterLoad.Visible = true;
this.DisplayCode();
}
protected CropConstraint getCropConstraint()
{
// Get the crop constraint associated with the image orientation currently selected
FixedCropConstraint result;
if (this.ddlCropOrientation.SelectedIndex == 0)
{
// Return the landscape crop constraint
result = new FixedCropConstraint(250, 150);
result.Margins.SetZero();
}
else
{
// Return the portrait crop constraint
result = new FixedCropConstraint(150, 250);
result.Margins.SetZero();
}
return result;
}
protected void ProcessImage()
{
// Setup the source file name and the output file name
string sourceImageFileName = this.imgSource.ImageUrl;
string outputImageFileName = "~/repository/output/Ex_A_212.jpg";
// Setup the crop filter
CropConstraint cropFilter = null;
switch (this.ddlCropMode.SelectedValue)
{
case "Fixed":
FixedCropConstraint fixedCropConstraint = null;
switch (this.ddlConstraints_Fixed.SelectedIndex)
{
case 0:
// 180 x 100 Pixel
fixedCropConstraint = new FixedCropConstraint(180, 100);
break;
case 1:
// 50 x 100 Mm (96 DPI)
fixedCropConstraint = new FixedCropConstraint(GfxUnit.Mm, 50F, 100F);
break;
}
cropFilter = fixedCropConstraint;
break;
case "FixedAspectRatio":
FixedAspectRatioCropConstraint fixedAspectRatioCropFilter = null;
switch (this.ddlAspectRatio.SelectedIndex)
{
case 0:
fixedAspectRatioCropFilter = new FixedAspectRatioCropConstraint(1F / 1F);
break;
case 1:
fixedAspectRatioCropFilter = new FixedAspectRatioCropConstraint(2F / 1F);
break;
case 2:
fixedAspectRatioCropFilter = new FixedAspectRatioCropConstraint(1F / 2F);
break;
case 3:
fixedAspectRatioCropFilter = new FixedAspectRatioCropConstraint(16F / 9F);
break;
}
switch (this.ddlConstraints_FixedAspectRatio.SelectedIndex)
{
case 0:
// No constraint
break;
case 1:
// Min width: 500px
fixedAspectRatioCropFilter.LimitedDimension = SizeDimension.Width;
fixedAspectRatioCropFilter.Min = 500;
break;
case 2:
// Min height: 5.2 inch (96 DPI)
fixedAspectRatioCropFilter.Unit = GfxUnit.Inch;
fixedAspectRatioCropFilter.LimitedDimension = SizeDimension.Height;
fixedAspectRatioCropFilter.Min = 5.2F;
break;
case 3:
// Max width: 200px
fixedAspectRatioCropFilter.LimitedDimension = SizeDimension.Width;
fixedAspectRatioCropFilter.Max = 200;
break;
case 4:
// Max height: 5 cm (96 DPI)
fixedAspectRatioCropFilter.Unit = GfxUnit.Cm;
fixedAspectRatioCropFilter.LimitedDimension = SizeDimension.Height;
fixedAspectRatioCropFilter.Max = 5F;
break;
}
cropFilter = fixedAspectRatioCropFilter;
break;
case "Free":
FreeCropConstraint freeCropFilter = null;
switch (this.ddlConstraints_Free.SelectedIndex)
{
case 0:
// No constraints
freeCropFilter = new FreeCropConstraint();
break;
case 1:
// Max width: 200px
freeCropFilter = new FreeCropConstraint(null, 200, null, null);
break;
case 2:
// Max height: 5 cm (96 DPI)
freeCropFilter = new FreeCropConstraint(GfxUnit.Cm, null, null, null, 5F);
break;
case 3:
// Fixed width: 4.1 inch (96 DPI)
freeCropFilter = new FreeCropConstraint(GfxUnit.Inch, 4.1F, 4.1F, null, null);
break;
case 4:
// Fixed height: 400px
freeCropFilter = new FreeCropConstraint(null, null, 400, 400);
break;
}
cropFilter = freeCropFilter;
break;
}
cropFilter.DefaultImageSelectionStrategy = (CropConstraintImageSelectionStrategy)Enum.Parse(typeof(CropConstraintImageSelectionStrategy), this.ddlImageSelectionStrategy.SelectedValue);
if (this.ddlMargins.SelectedValue != "Auto")
{
// Disabled both the margins (horizontal and vertical).
// Note: By default the margins are automatically calculated
cropFilter.Margins.SetZero();
}
// Set the canvas color
cropFilter.CanvasColor = System.Drawing.ColorTranslator.FromHtml(this.txtCanvasColor.Text);
// Process the image
cropFilter.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();
// Display the generated image
this.phOutputContainer.Visible = true;
}
protected void btnLoadImage_Click(object sender, EventArgs e)
{
// Update the Output resolution and the UI Unit
GfxUnit unit = (GfxUnit)Enum.Parse(typeof(GfxUnit), this.ddlUnit.SelectedValue);
this.InlinePictureTrimmer1.UIUnit = unit;
float outputResolution = float.Parse(this.ddlDPI.SelectedValue, CultureInfo.InvariantCulture);
CropConstraint cropConstrant = null;
switch (this.ddlCropMode.SelectedValue)
{
case "Fixed":
float fixedWidth = float.Parse(this.ddlConstraint_Fixed_Width.SelectedValue, CultureInfo.InvariantCulture);
float fixedHeight = float.Parse(this.ddlConstraint_Fixed_Height.SelectedValue, CultureInfo.InvariantCulture);
FixedCropConstraint fixedCropConstraint = new FixedCropConstraint(unit, fixedWidth, fixedHeight);
cropConstrant = fixedCropConstraint;
break;
case "FixedAspectRatio":
float aspectRatioX = float.Parse(this.ddlConstraint_FixedAspectRatio_X.SelectedValue, CultureInfo.InvariantCulture);
float aspectRatioY = float.Parse(this.ddlConstraint_FixedAspectRatio_Y.SelectedValue, CultureInfo.InvariantCulture);
float aspectRatio = aspectRatioX / aspectRatioY;
FixedAspectRatioCropConstraint fixedAspectRatioCropConstraint = new FixedAspectRatioCropConstraint(aspectRatio);
fixedAspectRatioCropConstraint.Unit = unit;
if ((this.cb_FixedAspectRatio_Min.Checked) || (this.cb_FixedAspectRatio_Max.Checked))
{
float minValue = float.Parse(this.ddlConstraint_FixedAspectRatio_Min.SelectedValue, CultureInfo.InvariantCulture);
float maxValue = float.Parse(this.ddlConstraint_FixedAspectRatio_Max.SelectedValue, CultureInfo.InvariantCulture);
// Ensure that Min value is not greater than Max value
if ((this.cb_FixedAspectRatio_Min.Checked) && (this.cb_FixedAspectRatio_Max.Checked))
{
if (maxValue < minValue)
{
// ERROR
ScriptManager.RegisterClientScriptBlock(this.Page, this.Page.GetType(), "FixedAspectRatioCropConstraintError1", "alert(\"Error: Min value cannot be greater than Max value.\");", true);
return;
}
}
fixedAspectRatioCropConstraint.LimitedDimension = (SizeDimension)Enum.Parse(typeof(SizeDimension), this.ddlConstraint_FixedAspectRatio_LimitedDimension.SelectedValue);
if (this.cb_FixedAspectRatio_Min.Checked)
{
fixedAspectRatioCropConstraint.Min = minValue;
}
if (this.cb_FixedAspectRatio_Max.Checked)
{
fixedAspectRatioCropConstraint.Max = maxValue;
}
}
cropConstrant = fixedAspectRatioCropConstraint;
break;
case "Free":
FreeCropConstraint freeCropConstraint = new FreeCropConstraint();
freeCropConstraint.Unit = unit;
if ((this.cb_Free_Width_Min.Checked) || (this.cb_Free_Width_Max.Checked))
{
float minWidth = float.Parse(this.ddlConstraint_Free_Width_Min.SelectedValue, CultureInfo.InvariantCulture);
float maxWidth = float.Parse(this.ddlConstraint_Free_Width_Max.SelectedValue, CultureInfo.InvariantCulture);
// Ensure that Min width is not greater than Max width
if ((this.cb_Free_Width_Min.Checked) && (this.cb_Free_Width_Max.Checked))
{
if (maxWidth < minWidth)
{
// ERROR
ScriptManager.RegisterClientScriptBlock(this.Page, this.Page.GetType(), "FreeCropConstraintError1", "alert(\"Error: Min width cannot be greater than Max width.\");", true);
return;
}
}
if (this.cb_Free_Width_Min.Checked)
{
freeCropConstraint.MinWidth = minWidth;
}
if (this.cb_Free_Width_Max.Checked)
{
freeCropConstraint.MaxWidth = maxWidth;
}
}
if ((this.cb_Free_Height_Min.Checked) || (this.cb_Free_Height_Max.Checked))
{
float minHeight = float.Parse(this.ddlConstraint_Free_Height_Min.SelectedValue, CultureInfo.InvariantCulture);
float maxHeight = float.Parse(this.ddlConstraint_Free_Height_Max.SelectedValue, CultureInfo.InvariantCulture);
// Ensure that Min height is not greater than Max height
if ((this.cb_Free_Height_Min.Checked) && (this.cb_Free_Height_Max.Checked))
{
if (maxHeight < minHeight)
{
// ERROR
ScriptManager.RegisterClientScriptBlock(this.Page, this.Page.GetType(), "FreeCropConstraintError2", "alert(\"Error: Min height cannot be greater than Max height.\");", true);
return;
}
}
if (this.cb_Free_Height_Min.Checked)
{
freeCropConstraint.MinHeight = minHeight;
}
if (this.cb_Free_Height_Max.Checked)
{
freeCropConstraint.MaxHeight = maxHeight;
}
}
cropConstrant = freeCropConstraint;
break;
}
// Setup the margins
if (this.ddlMarginsH.SelectedValue == "")
{
// Horizontal margin = automatic
cropConstrant.Margins.Horizontal = null;
}
else
{
// Hortizontal margin - custom value
cropConstrant.Margins.Horizontal = float.Parse(this.ddlMarginsH.SelectedValue, CultureInfo.InvariantCulture);
}
if (this.ddlMarginsV.SelectedValue == "")
{
// Horizontal margin = automatic
cropConstrant.Margins.Vertical = null;
}
else
{
// Hortizontal margin - custom value
cropConstrant.Margins.Vertical = float.Parse(this.ddlMarginsV.SelectedValue, CultureInfo.InvariantCulture);
}
// Setup the DefaultImageSelectionStrategy
cropConstrant.DefaultImageSelectionStrategy = (CropConstraintImageSelectionStrategy)Enum.Parse(typeof(CropConstraintImageSelectionStrategy), this.ddlImageSelectionStrategy.SelectedValue);
// Load the image
this.InlinePictureTrimmer1.LoadImageFromFileSystem("~/repository/source/donkey1.jpg", outputResolution, cropConstrant);
this.InlinePictureTrimmer1.Visible = true;
this.phBeforeLoad.Visible = false;
this.phAfterLoad.Visible = true;
this.DisplayCode();
}
protected void btnLoadImage_Click(object sender, EventArgs e)
{
if (this.InlinePictureTrimmer1.ImageLoaded)
{
// Unload the image
this.InlinePictureTrimmer1.UnloadImage();
this.btnProcessImage.Enabled = false;
this.ddlImageSelectionStrategy.Enabled = true;
this.ddlOutputResolution.Enabled = true;
this.btnLoadImage.Text = "Load image";
}
else
{
// Load the image
float outputResolution = float.Parse(this.ddlOutputResolution.SelectedValue, System.Globalization.CultureInfo.InvariantCulture);
CropConstraint cropConstrant = new FixedCropConstraint(GfxUnit.Pixel, 350, 250);
cropConstrant.DefaultImageSelectionStrategy = (CropConstraintImageSelectionStrategy)Enum.Parse(typeof(CropConstraintImageSelectionStrategy), this.ddlImageSelectionStrategy.SelectedValue);
if (cropConstrant.DefaultImageSelectionStrategy == CropConstraintImageSelectionStrategy.Slice)
{
cropConstrant.Margins.SetZero();
}
this.InlinePictureTrimmer1.AllowResize = cropConstrant.DefaultImageSelectionStrategy != CropConstraintImageSelectionStrategy.DoNotResize;
this.InlinePictureTrimmer1.LoadImageFromFileSystem(SourceImageFileName, outputResolution, cropConstrant);
this.btnProcessImage.Enabled = true;
this.ddlImageSelectionStrategy.Enabled = false;
this.ddlOutputResolution.Enabled = false;
this.btnLoadImage.Text = "Unload image";
}
}
