protected void DisplayCode()
{
System.Text.StringBuilder sbCode = new System.Text.StringBuilder();
string crlf = "\r\n";
sbCode.Append("InlinePictureTrimmer1.ShowZoomPanel = false;" + crlf);
GfxUnit unit = (GfxUnit)Enum.Parse(typeof(GfxUnit), this.ddlUnit.SelectedValue);
if (unit != GfxUnit.Pixel)
{
// Default value: Pixel
sbCode.Append("InlinePictureTrimmer1.UIUnit = GfxUnit." + unit.ToString() + ";" + crlf);
}
if (this.cbEnableResize.Checked)
{
// Default = AutoZoomMode.Standard
sbCode.Append("InlinePictureTrimmer1.AutoZoomMode = PictureTrimmerAutoZoomMode.Disabled;" + crlf);
}
else
{
// Default = true
sbCode.Append("InlinePictureTrimmer1.ShowResizePanel = false;" + crlf);
sbCode.Append("InlinePictureTrimmer1.ShowDetailsPanel = false;" + crlf);
sbCode.Append("InlinePictureTrimmer1.AutoZoomMode = PictureTrimmerAutoZoomMode.EnabledOnlyForLargeImages;" + crlf);
}
sbCode.Append("InlinePictureTrimmer1.LoadImageFromFileSystem(Server.MapPath(\"~/repository/source/flowers1.jpg\"));" + crlf);
this.phCodeContainer.Visible = true;
this.litCode.Text = sbCode.ToString();
}
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;
// By default rotation is enabled
this.InlinePictureTrimmer1.ShowRotatePanel = true;
// Load the image
this.InlinePictureTrimmer1.LoadImageFromFileSystem(Server.MapPath("~/repository/source/flowers1.jpg"));
this.InlinePictureTrimmer1.ShowResizePanel = this.cbEnableResize.Checked;
this.InlinePictureTrimmer1.ShowDetailsPanel = this.cbEnableResize.Checked;
if (this.cbEnableResize.Checked)
{
// Resize enabled -> Disable the AutoZoom feature
this.InlinePictureTrimmer1.AutoZoomMode = PictureTrimmerAutoZoomMode.Disabled;
}
else
{
// Resize disabled -> Force the AutoZoom
this.InlinePictureTrimmer1.AutoZoomMode = PictureTrimmerAutoZoomMode.EnabledOnlyForLargeImages;
}
this.InlinePictureTrimmer1.Visible = true;
this.phBeforeLoad.Visible = false;
this.phAfterLoad.Visible = true;
this.DisplayCode();
}
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 PopulateDropdownLists()
{
float minValue = 1F;
float stepValue = 1f;
int totSteps = 25;
ListItem item;
GfxUnit unit = (GfxUnit)Enum.Parse(typeof(GfxUnit), this.ddlUnit.SelectedValue);
switch (unit)
{
case GfxUnit.Pixel:
stepValue = 20F;
break;
case GfxUnit.Point:
stepValue = 15F;
break;
case GfxUnit.Pica:
stepValue = 1F;
break;
case GfxUnit.Inch:
stepValue = 0.2F;
break;
case GfxUnit.Mm:
stepValue = 5F;
break;
case GfxUnit.Cm:
stepValue = 0.5F;
break;
}
minValue = stepValue;
this.ddlConstraint_Fixed_Width.Items.Clear();
this.ddlConstraint_Fixed_Height.Items.Clear();
for (int i = 0; i < totSteps; i++)
{
float value = minValue + Convert.ToSingle(i) * stepValue;
string valueString = StringConversionHelper.SingleToString(value);
item = new ListItem(valueString, valueString);
if (i == 14)
{
item.Selected = true;
}
this.ddlConstraint_Fixed_Width.Items.Add(item);
item = new ListItem(valueString, valueString);
if (i == 9)
{
item.Selected = true;
}
this.ddlConstraint_Fixed_Height.Items.Add(item);
}
this.ddlConstraint_FixedAspectRatio_Min.Items.Clear();
this.ddlConstraint_FixedAspectRatio_Max.Items.Clear();
for (int i = 0; i < totSteps; i++)
{
float value = minValue + Convert.ToSingle(i) * stepValue;
string valueString = StringConversionHelper.SingleToString(value);
item = new ListItem(valueString, valueString);
if (i == 0)
{
item.Selected = true;
}
this.ddlConstraint_FixedAspectRatio_Min.Items.Add(item);
item = new ListItem(valueString, valueString);
if (i == (totSteps - 1))
{
item.Selected = true;
}
this.ddlConstraint_FixedAspectRatio_Max.Items.Add(item);
}
this.ddlConstraint_Free_Width_Min.Items.Clear();
this.ddlConstraint_Free_Width_Max.Items.Clear();
this.ddlConstraint_Free_Height_Min.Items.Clear();
this.ddlConstraint_Free_Height_Max.Items.Clear();
for (int i = 0; i < totSteps; i++)
{
float value = minValue + Convert.ToSingle(i) * stepValue;
string valueString = StringConversionHelper.SingleToString(value);
item = new ListItem(valueString, valueString);
if (i == 0)
{
item.Selected = true;
}
this.ddlConstraint_Free_Width_Min.Items.Add(item);
item = new ListItem(valueString, valueString);
if (i == (totSteps - 1))
{
item.Selected = true;
}
this.ddlConstraint_Free_Width_Max.Items.Add(item);
item = new ListItem(valueString, valueString);
if (i == 0)
{
item.Selected = true;
}
this.ddlConstraint_Free_Height_Min.Items.Add(item);
item = new ListItem(valueString, valueString);
if (i == (totSteps - 1))
{
item.Selected = true;
}
this.ddlConstraint_Free_Height_Max.Items.Add(item);
}
minValue = 0F;
totSteps = 101;
this.ddlMarginsH.Items.Clear();
item = new ListItem("Auto", "");
item.Selected = true;
this.ddlMarginsH.Items.Add(item);
this.ddlMarginsV.Items.Clear();
item = new ListItem("Auto", "");
item.Selected = true;
this.ddlMarginsV.Items.Add(item);
for (int i = 0; i < totSteps; i++)
{
float value = minValue + Convert.ToSingle(i) * stepValue;
string valueString = StringConversionHelper.SingleToString(value);
item = new ListItem(valueString, valueString);
this.ddlMarginsH.Items.Add(item);
item = new ListItem(valueString, valueString);
this.ddlMarginsV.Items.Add(item);
}
if (this.ddlConstraint_FixedAspectRatio_X.Items.Count == 0)
{
totSteps = 100;
for (int i = 1; i <= totSteps; i++)
{
string valueString = StringConversionHelper.Int32ToString(i);
item = new ListItem(valueString, valueString);
if (i == 16)
{
item.Selected = true;
}
this.ddlConstraint_FixedAspectRatio_X.Items.Add(item);
item = new ListItem(valueString, valueString);
if (i == 9)
{
item.Selected = true;
}
this.ddlConstraint_FixedAspectRatio_Y.Items.Add(item);
}
}
}
protected void DisplayCode()
{
System.Text.StringBuilder sbCode = new System.Text.StringBuilder();
string crlf = "\r\n";
GfxUnit unit = (GfxUnit)Enum.Parse(typeof(GfxUnit), this.ddlUnit.SelectedValue);
if (unit != GfxUnit.Pixel)
{
// Default value: Pixel
sbCode.Append("InlinePictureTrimmer1.UIUnit = GfxUnit." + unit.ToString() + ";" + crlf);
}
switch (this.ddlCropMode.SelectedValue)
{
case "Fixed":
if (unit == GfxUnit.Pixel)
{
sbCode.Append("FixedCropConstraint cropConstrant = new FixedCropConstraint(" + this.ddlConstraint_Fixed_Width.SelectedValue + ", " + this.ddlConstraint_Fixed_Height.SelectedValue + ");" + crlf);
}
else
{
sbCode.Append("FixedCropConstraint cropConstrant = new FixedCropConstraint(GfxUnit." + unit.ToString() + ", " + this.ddlConstraint_Fixed_Width.SelectedValue + "F, " + this.ddlConstraint_Fixed_Height.SelectedValue + "F);" + crlf);
}
break;
case "FixedAspectRatio":
sbCode.Append("FixedAspectRatioCropConstraint cropConstrant = new FixedAspectRatioCropConstraint(" + this.ddlConstraint_FixedAspectRatio_X.SelectedValue + "F/" + this.ddlConstraint_FixedAspectRatio_Y.SelectedValue + "F);" + crlf);
if ((this.cb_FixedAspectRatio_Min.Checked) || (this.cb_FixedAspectRatio_Max.Checked))
{
if (unit != GfxUnit.Pixel)
{
sbCode.Append("cropConstrant.Unit = GfxUnit." + unit.ToString() + ";" + crlf);
}
SizeDimension limitedDimension = (SizeDimension)Enum.Parse(typeof(SizeDimension), this.ddlConstraint_FixedAspectRatio_LimitedDimension.SelectedValue);
if (limitedDimension != SizeDimension.Width)
{
// Default value = Width
sbCode.Append("cropConstrant.LimitedDimension = SizeDimension." + limitedDimension.ToString() + ";" + crlf);
}
if (this.cb_FixedAspectRatio_Min.Checked)
{
sbCode.Append("cropConstrant.Min = " + this.ddlConstraint_FixedAspectRatio_Min.SelectedValue + "F;" + crlf);
}
if (this.cb_FixedAspectRatio_Max.Checked)
{
sbCode.Append("cropConstrant.Max = " + this.ddlConstraint_FixedAspectRatio_Max.SelectedValue + "F;" + crlf);
}
}
break;
case "Free":
sbCode.Append("FreeCropConstraint cropConstrant = new FreeCropConstraint();" + crlf);
if ((this.cb_Free_Width_Min.Checked) || (this.cb_Free_Width_Max.Checked) || (this.cb_Free_Height_Min.Checked) || (this.cb_Free_Height_Max.Checked))
{
if (unit != GfxUnit.Pixel)
{
sbCode.Append("cropConstrant.Unit = GfxUnit." + unit.ToString() + ";" + crlf);
}
if (this.cb_Free_Width_Min.Checked)
{
sbCode.Append("cropConstrant.MinWidth = " + this.ddlConstraint_Free_Width_Min.SelectedValue + "F;" + crlf);
}
if (this.cb_Free_Width_Max.Checked)
{
sbCode.Append("cropConstrant.MaxWidth = " + this.ddlConstraint_Free_Width_Max.SelectedValue + "F;" + crlf);
}
if (this.cb_Free_Height_Min.Checked)
{
sbCode.Append("cropConstrant.MinHeight = " + this.ddlConstraint_Free_Height_Min.SelectedValue + "F;" + crlf);
}
if (this.cb_Free_Height_Max.Checked)
{
sbCode.Append("cropConstrant.MaxHeight = " + this.ddlConstraint_Free_Height_Max.SelectedValue + "F;" + crlf);
}
}
break;
}
if (this.ddlMarginsH.SelectedValue != "")
{
// Default value = Auto
sbCode.Append("cropConstrant.Margins.Horizontal = " + this.ddlMarginsH.SelectedValue + "F;" + crlf);
}
if (this.ddlMarginsV.SelectedValue != "")
{
// Default value = Auto
sbCode.Append("cropConstrant.Margins.Vertical = " + this.ddlMarginsV.SelectedValue + "F;" + crlf);
}
CropConstraintImageSelectionStrategy defaultImageSelectionStrategy = (CropConstraintImageSelectionStrategy)Enum.Parse(typeof(CropConstraintImageSelectionStrategy), this.ddlImageSelectionStrategy.SelectedValue);
if (defaultImageSelectionStrategy != CropConstraintImageSelectionStrategy.Slice)
{
// Default value: Slice
sbCode.Append("cropConstrant.DefaultImageSelectionStrategy = CropConstraintImageSelectionStrategy." + defaultImageSelectionStrategy.ToString() + ";" + crlf);
}
if (this.ddlDPI.SelectedValue == "96")
{
// Default value = 96
sbCode.Append("InlinePictureTrimmer1.LoadImageFromFileSystem(\"~/repository/source/donkey1.jpg\", cropConstrant);" + crlf);
}
else
{
sbCode.Append("InlinePictureTrimmer1.LoadImageFromFileSystem(\"~/repository/source/donkey1.jpg\", " + this.ddlDPI.SelectedValue + "F, cropConstrant);" + crlf);
}
this.phCodeContainer.Visible = true;
this.litCode.Text = sbCode.ToString();
}
