private void Check(LoadTestDatabase db, CheckType type, UriInfo info, ResultData request) { switch (type) { case CheckType.Css: case CheckType.JS: String value = request.ContentEncoding2.GetString(request.Data); String min = minify(value); String expanded = expand(value); double percentMin = 100F - (((double)min.Length / (double)value.Length) * 100F); double percentExp = 100F - (((double)value.Length / (double)expanded.Length) * 100F); if (percentMin > 10) { db.insertMessages(this.TestName, "5. Otimização de arquivos (minify *.js, *.css)", "URL: <a href=\"" + info.Target.AbsoluteUri + "\" target=\"_blank\">" + info.Target.AbsoluteUri + "</a>" + Environment.NewLine + (info.Referer != null ? "Referer: <a href=\"" + info.Referer.AbsoluteUri + "\" target=\"_blank\">" + info.Referer.AbsoluteUri + "</a>" + Environment.NewLine : "") + Environment.NewLine + "Redução estimada de: " + FileResources.formatData(percentMin, ChartDataType.Percent) + Environment.NewLine + "Tamanho original: " + FileResources.formatData(value.Length, ChartDataType.Bytes) + Environment.NewLine + "Tamanho reduzido: " + FileResources.formatData(min.Length, ChartDataType.Bytes)); db.insertOptimization(this.TestName, request.RequestUri, value.Length, min.Length); } if (percentExp > 3) { db.insertNonOptimization(this.TestName, request.RequestUri, value.Length, expanded.Length); } break; case CheckType.Image: String text = ""; String imageInfo = ""; imageInfo = "Tamanho: " + FileResources.formatData(request.DataLength, ChartDataType.Bytes) + Environment.NewLine; if (request.DataLength > (100 * 1024)) //100 Kb { text += "* Tamanho da imagem acima de 100Kb" + Environment.NewLine; } using (MemoryStream stm = new MemoryStream(request.Data)) using (Image bmp = Image.FromStream(stm)) { Boolean resolution = false; PixelFormat pxFormat = PixelFormat.Format24bppRgb; float saveRes = bmp.HorizontalResolution; try { imageInfo += "Resolução: " + bmp.Width + " x " + bmp.Height + "px" + Environment.NewLine; } catch { } try { if ((((Int32)bmp.HorizontalResolution) > 72) || (((Int32)bmp.VerticalResolution) > 72)) { text += "* Qualidade (DPI) da imagem acima de 72" + Environment.NewLine; } imageInfo += "DPI: " + bmp.HorizontalResolution + Environment.NewLine; resolution = true; saveRes = 72; } catch { } try { switch (bmp.PixelFormat) { case System.Drawing.Imaging.PixelFormat.Format32bppArgb: case System.Drawing.Imaging.PixelFormat.Format32bppPArgb: case System.Drawing.Imaging.PixelFormat.Format32bppRgb: case System.Drawing.Imaging.PixelFormat.Format48bppRgb: case System.Drawing.Imaging.PixelFormat.Format64bppArgb: case System.Drawing.Imaging.PixelFormat.Format64bppPArgb: text += "* Qualidade (Bit depth) da imagem acima de 24 bits" + Environment.NewLine; resolution = true; pxFormat = PixelFormat.Format24bppRgb; break; } switch (bmp.PixelFormat) { case System.Drawing.Imaging.PixelFormat.Format8bppIndexed: imageInfo += "Bit depth: 16 bits" + Environment.NewLine; pxFormat = bmp.PixelFormat; break; case System.Drawing.Imaging.PixelFormat.Format16bppArgb1555: case System.Drawing.Imaging.PixelFormat.Format16bppGrayScale: case System.Drawing.Imaging.PixelFormat.Format16bppRgb555: case System.Drawing.Imaging.PixelFormat.Format16bppRgb565: imageInfo += "Bit depth: 16 bits" + Environment.NewLine; pxFormat = bmp.PixelFormat; break; case System.Drawing.Imaging.PixelFormat.Format24bppRgb: imageInfo += "Bit depth: 24 bits" + Environment.NewLine; pxFormat = PixelFormat.Format24bppRgb; break; case System.Drawing.Imaging.PixelFormat.Format32bppArgb: case System.Drawing.Imaging.PixelFormat.Format32bppPArgb: case System.Drawing.Imaging.PixelFormat.Format32bppRgb: imageInfo += "Bit depth: 32 bits" + Environment.NewLine; pxFormat = PixelFormat.Format24bppRgb; break; case System.Drawing.Imaging.PixelFormat.Format48bppRgb: imageInfo += "Bit depth: 48 bits" + Environment.NewLine; pxFormat = PixelFormat.Format24bppRgb; break; case System.Drawing.Imaging.PixelFormat.Format64bppArgb: case System.Drawing.Imaging.PixelFormat.Format64bppPArgb: imageInfo += "Bit depth: 64 bits" + Environment.NewLine; pxFormat = PixelFormat.Format24bppRgb; break; default: imageInfo += "Bit depth: " + bmp.PixelFormat.ToString() + Environment.NewLine; break; } } catch { } try { using (ImageInfo imgInfo = new ImageInfo(bmp)) { if (imgInfo.HasExif) { text += "* Imagem com informações EXIF. A remoção desta informação reduz o tamanho da imagem" + Environment.NewLine; resolution = true; } } } catch { } //Realiza a Otimização sugerida e calcula o tamanho estimado a conseguir if (resolution) { try { ImageFormat saveFormat = ImageFormat.Jpeg; if (bmp.RawFormat.Equals(System.Drawing.Imaging.ImageFormat.Jpeg)) { saveFormat = System.Drawing.Imaging.ImageFormat.Jpeg; } if (bmp.RawFormat.Equals(System.Drawing.Imaging.ImageFormat.Bmp)) { saveFormat = System.Drawing.Imaging.ImageFormat.Bmp; } if (bmp.RawFormat.Equals(System.Drawing.Imaging.ImageFormat.Png)) { saveFormat = System.Drawing.Imaging.ImageFormat.Png; } if (bmp.RawFormat.Equals(System.Drawing.Imaging.ImageFormat.Emf)) { saveFormat = System.Drawing.Imaging.ImageFormat.Emf; } if (bmp.RawFormat.Equals(System.Drawing.Imaging.ImageFormat.Exif)) { saveFormat = System.Drawing.Imaging.ImageFormat.Exif; } if (bmp.RawFormat.Equals(System.Drawing.Imaging.ImageFormat.Gif)) { saveFormat = System.Drawing.Imaging.ImageFormat.Gif; } if (bmp.RawFormat.Equals(System.Drawing.Imaging.ImageFormat.Icon)) { saveFormat = System.Drawing.Imaging.ImageFormat.Icon; } if (bmp.RawFormat.Equals(System.Drawing.Imaging.ImageFormat.MemoryBmp)) { saveFormat = System.Drawing.Imaging.ImageFormat.MemoryBmp; } if (bmp.RawFormat.Equals(System.Drawing.Imaging.ImageFormat.Tiff)) { saveFormat = System.Drawing.Imaging.ImageFormat.Tiff; } if (bmp.RawFormat.Equals(System.Drawing.Imaging.ImageFormat.Wmf)) { saveFormat = System.Drawing.Imaging.ImageFormat.Wmf; } Bitmap newImage = new Bitmap(bmp.Width, bmp.Height, pxFormat); newImage.SetResolution(saveRes, saveRes); Graphics g = Graphics.FromImage(newImage); g.SmoothingMode = SmoothingMode.AntiAlias; g.InterpolationMode = InterpolationMode.HighQualityBicubic; g.PixelOffsetMode = PixelOffsetMode.HighQuality; g.DrawImage(bmp, 0, 0); g.Dispose(); MemoryStream newStm = new MemoryStream(); newImage.Save(newStm, saveFormat); if (newStm.Length < request.DataLength) { db.insertOptimization(this.TestName, request.RequestUri, request.DataLength, newStm.Length); double percent2 = 100F - (((double)newStm.Length / (double)request.DataLength) * 100F); text += Environment.NewLine; text += "Tamanho estimado após redução: " + FileResources.formatData(newStm.Length, ChartDataType.Bytes) + Environment.NewLine; text += "Redução estimada de: " + FileResources.formatData(percent2, ChartDataType.Percent) + Environment.NewLine; } else { //Não há redução, a imagem está otimizada text = ""; } newImage.Dispose(); newImage = null; newStm.Dispose(); newStm = null; } catch (Exception ex) { #if DEBUG text += "Erro ao calcular a redução: " + ex.Message; #endif } } } if (text != "") { db.insertMessages(this.TestName, "6. Otimização de imagem", "Img URL: <a href=\"" + info.Target.AbsoluteUri + "\" target=\"_blank\">" + info.Target.AbsoluteUri + "</a>" + Environment.NewLine + (info.Referer != null ? "Referer: <a href=\"" + info.Referer.AbsoluteUri + "\" target=\"_blank\">" + info.Referer.AbsoluteUri + "</a>" + Environment.NewLine : "") + Environment.NewLine + imageInfo + Environment.NewLine + text); } break; } }