Modificare il file: \iwgallery\ScriptLibrary\ResizeImage.aspx

<%@ Page Language="C#"%> <%@ Import Namespace="System.Drawing" %> <%@ Import Namespace="System.Drawing.Imaging" %> <%@ Import Namespace="System.Drawing.Drawing2D" %> <script runat="server"> // Smart Image Processor // Version: 1.1.4 void Page_Load(Object s, EventArgs e) { int intNewWidth, intNewHeight, maxWidth = 10000, maxHeight = 10000, qQuality = 80; if (Request["w"] != null) maxWidth = int.Parse(Request["w"]); if (Request["h"] != null) maxHeight = int.Parse(Request["h"]); if (Request["q"] != null) qQuality = int.Parse(Request["q"]); //get image from parameter string pictureFileName = Request["f"]; string newFileName = Request["nf"]; if (pictureFileName == null || pictureFileName == "" || !System.IO.File.Exists(pictureFileName)) { Response.Write("Error: File (" + pictureFileName + ") not found or empty"); return; } System.Drawing.Image inputImage = System.Drawing.Image.FromFile(pictureFileName); //define size for new image string aspect = Request["a"]; if (aspect == "true") { if (maxWidth < inputImage.Width || maxHeight < inputImage.Height) { if (maxWidth >= maxHeight) { intNewWidth = (int)((double)maxHeight*((double)inputImage.Width/(double)inputImage.Height)); intNewHeight = maxHeight; } else { intNewWidth = maxWidth; intNewHeight = (int)((double)maxWidth*((double)inputImage.Height/(double)inputImage.Width)); } if (intNewWidth > maxWidth) { intNewWidth = maxWidth; intNewHeight = (int)((double)maxWidth*((double)inputImage.Height/(double)inputImage.Width)); } if (intNewHeight > maxHeight) { intNewWidth = (int)((double)maxHeight*((double)inputImage.Width/(double)inputImage.Height)); intNewHeight = maxHeight; } } else { intNewWidth = inputImage.Width; intNewHeight = inputImage.Height; } } else { intNewWidth = maxWidth; intNewHeight = maxHeight; } try { //output new image with different size System.Drawing.Bitmap outputBitMap = new System.Drawing.Bitmap(intNewWidth, intNewHeight); System.Drawing.Graphics imageGraph = System.Drawing.Graphics.FromImage(outputBitMap); //imageGraph.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality; imageGraph.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality; imageGraph.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic; imageGraph.DrawImage(inputImage, -1, -1, outputBitMap.Width+1, outputBitMap.Height+1); inputImage.Dispose(); System.Drawing.Imaging.EncoderParameters eps = new System.Drawing.Imaging.EncoderParameters(1); eps.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, qQuality); System.Drawing.Imaging.ImageCodecInfo ici = GetEncoderInfo("image/jpeg"); if (pictureFileName.ToLower() == newFileName.ToLower()) System.IO.File.Delete(pictureFileName); outputBitMap.Save(newFileName, ici, eps); outputBitMap.Dispose(); } catch (Exception ex) { Response.Write("Error: " + ex); return; } Response.Write(intNewWidth + ";" + intNewHeight + ";" + "DONE"); } private static System.Drawing.Imaging.ImageCodecInfo GetEncoderInfo(String mimeType) { int j; System.Drawing.Imaging.ImageCodecInfo[] encoders; encoders = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders(); for(j = 0; j < encoders.Length; ++j) { if(encoders[j].MimeType == mimeType) return encoders[j]; } return null; } </script>

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