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Adding possibility of cropping the image to the specified rectangle on the source image. #4

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Adding possibility of cropping the image to the specified rectangle on the source image. #4

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19 changes: 19 additions & 0 deletions src/ImageResizer.FluentExtensions/ResizeExpression.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,25 @@ public AlignmentExpression Crop()
return new AlignmentExpression(this.builder);
}

/// <summary>
/// Crop the image to the specified rectangle on the source image.
/// </summary>
/// <param name="x1">x coordinate of the top-left corner of the original image.</param>
/// <param name="y1">y coordinate of the top-left corner of the original image.</param>
/// <param name="x2">x coordinate of the bottom-right corner of the original image.</param>
/// <param name="y2">y coordinate of the bottom-right corner of the original image.</param>
public AlignmentExpression Crop(int x1, int y1, int x2, int y2)
{
if (x1 >= x2)
throw new ArgumentException("x1 must be greater than x2.");

if (y1 >= y2)
throw new ArgumentException("y1 must be greater than y2.");

builder.SetParameter(ResizeCommands.FitModeCrop, string.Format("{0},{1},{2},{3}", x1, y1, x2, y2));
return new AlignmentExpression(this.builder);
}

/// <summary>
/// Sets the fit mode to Stretch. Stretches the image, losing aspect ratio
/// </summary>
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