예제 #1
0
        override internal void RunPage(Pages pgs, Row row)
        {
            Report r       = pgs.Report;
            bool   bHidden = IsHidden(r, row);

            WorkClass wc    = GetWC(r);
            string    mtype = null;
            Stream    strm  = null;

            System.DrawingCore.Image im = null;

            SetPagePositionBegin(pgs);
            if (bHidden)
            {
                PageImage pi = new PageImage(ImageFormat.Jpeg, null, 0, 0);
                this.SetPagePositionAndStyle(r, pi, row);
                SetPagePositionEnd(pgs, pi.Y + pi.H);
                return;
            }

            if (wc.PgImage != null)
            {                                // have we already generated this one
                                             // reuse most of the work; only position will likely change
                PageImage pi = new PageImage(wc.PgImage.ImgFormat, wc.PgImage.ImageData, wc.PgImage.SamplesW, wc.PgImage.SamplesH);
                pi.Name   = wc.PgImage.Name; // this is name it will be shared under
                pi.Sizing = this._Sizing;
                this.SetPagePositionAndStyle(r, pi, row);
                pgs.CurrentPage.AddObject(pi);
                SetPagePositionEnd(pgs, pi.Y + pi.H);
                return;
            }

            try
            {
                strm = GetImageStream(r, row, out mtype);
                if (strm == null)
                {
                    r.rl.LogError(4, string.Format("Unable to load image {0}.", this.Name.Nm));
                    return;
                }
                im = System.DrawingCore.Image.FromStream(strm);
                int          height = im.Height;
                int          width  = im.Width;
                MemoryStream ostrm  = new MemoryStream();
                strm.Position = 0;
                ImageFormat imf;
                switch (mtype.ToLower())
                {
                case "image/jpeg":
                    imf = ImageFormat.Jpeg;
                    CopyStream(strm, ostrm);
                    break;

                case "image/png":
                    imf = ImageFormat.Png;
                    CopyStream(strm, ostrm);
                    break;

                default:                         // from old code where all images convert to jpeg, i don't know why. May be need delete it and add all support formats.
                    imf = ImageFormat.Jpeg;
                    System.DrawingCore.Imaging.ImageCodecInfo[] info;
                    info = ImageCodecInfo.GetImageEncoders();
                    EncoderParameters encoderParameters;
                    encoderParameters          = new EncoderParameters(1);
                    encoderParameters.Param[0] = new EncoderParameter(Encoder.Quality, ImageQualityManager.EmbeddedImageQuality);
                    System.DrawingCore.Imaging.ImageCodecInfo codec = null;
                    for (int i = 0; i < info.Length; i++)
                    {
                        if (info[i].FormatDescription == "JPEG")
                        {
                            codec = info[i];
                            break;
                        }
                    }
                    im.Save(ostrm, codec, encoderParameters);
                    break;
                }

                byte[] ba = ostrm.ToArray();
                ostrm.Close();
                PageImage pi = new PageImage(imf, ba, width, height);
                pi.Sizing = this._Sizing;
                this.SetPagePositionAndStyle(r, pi, row);

                pgs.CurrentPage.AddObject(pi);
                if (_ConstantImage)
                {
                    wc.PgImage = pi;
                    // create unique name; PDF generation uses this to optimize the saving of the image only once
                    pi.Name = "pi" + Interlocked.Increment(ref Parser.Counter).ToString();                      // create unique name
                }

                SetPagePositionEnd(pgs, pi.Y + pi.H);
            }
            catch (Exception e)
            {
                // image failed to load, continue processing
                r.rl.LogError(4, "Image load failed.  " + e.Message);
            }
            finally
            {
                if (strm != null)
                {
                    strm.Close();
                }
                if (im != null)
                {
                    im.Dispose();
                }
            }
            return;
        }
예제 #2
0
        internal PageImage GetPageImage(Report rpt, Row row)
        {
            string mtype = null;
            Stream strm  = null;

            System.DrawingCore.Image im = null;
            PageImage pi = null;

            WorkClass wc = GetWC(rpt);

            if (wc.PgImage != null)
            {                              // have we already generated this one
                                           // reuse most of the work; only position will likely change
                pi      = new PageImage(wc.PgImage.ImgFormat, wc.PgImage.ImageData, wc.PgImage.SamplesW, wc.PgImage.SamplesH);
                pi.Name = wc.PgImage.Name; // this is name it will be shared under
                return(pi);
            }

            try
            {
                strm = GetImageStream(rpt, row, out mtype);
                if (strm == null)
                {
                    rpt.rl.LogError(4, string.Format("Unable to load image {0}.",
                                                     this._Value == null?"": this._Value.EvaluateString(rpt, row)));
                    return(null);
                }
                im = System.DrawingCore.Image.FromStream(strm);
                int          height = im.Height;
                int          width  = im.Width;
                MemoryStream ostrm  = new MemoryStream();
                ImageFormat  imf;
                //				if (mtype.ToLower() == "image/jpeg")    //TODO: how do we get png to work
                //					imf = ImageFormat.Jpeg;
                //				else

                imf = ImageFormat.Jpeg;
                System.DrawingCore.Imaging.ImageCodecInfo[] info;
                info = ImageCodecInfo.GetImageEncoders();
                EncoderParameters encoderParameters;
                encoderParameters          = new EncoderParameters(1);
                encoderParameters.Param[0] = new EncoderParameter(System.DrawingCore.Imaging.Encoder.Quality, ImageQualityManager.EmbeddedImageQuality);
                System.DrawingCore.Imaging.ImageCodecInfo codec = null;
                for (int i = 0; i < info.Length; i++)
                {
                    if (info[i].FormatDescription == "JPEG")
                    {
                        codec = info[i];
                        break;
                    }
                }
                im.Save(ostrm, codec, encoderParameters);

                byte[] ba = ostrm.ToArray();
                ostrm.Close();
                pi    = new PageImage(imf, ba, width, height);
                pi.SI = new StyleInfo();                        // this will just default everything
                if (_BackgroundRepeat != null)
                {
                    string r = _BackgroundRepeat.EvaluateString(rpt, row).ToLower();
                    switch (r)
                    {
                    case "repeat":
                        pi.Repeat = ImageRepeat.Repeat;
                        break;

                    case "repeatx":
                        pi.Repeat = ImageRepeat.RepeatX;
                        break;

                    case "repeaty":
                        pi.Repeat = ImageRepeat.RepeatY;
                        break;

                    case "norepeat":
                    default:
                        pi.Repeat = ImageRepeat.NoRepeat;
                        break;
                    }
                }
                else
                {
                    pi.Repeat = ImageRepeat.Repeat;
                }

                if (_ConstantImage)
                {
                    wc.PgImage = pi;
                    // create unique name; PDF generation uses this to optimize the saving of the image only once
                    pi.Name = "pi" + Interlocked.Increment(ref Parser.Counter).ToString();                      // create unique name
                }
            }
            finally
            {
                if (strm != null)
                {
                    strm.Close();
                }
                if (im != null)
                {
                    im.Dispose();
                }
            }
            return(pi);
        }
예제 #3
0
        override internal void RunPage(Pages pgs, Row row)
        {
            Report rpt = pgs.Report;

            if (IsHidden(pgs.Report, row))
            {
                return;
            }

            _ChartMatrix.RunReset(rpt);
            Rows _Data = GetFilteredData(rpt, row);

            SetMyData(rpt, _Data);

            SetPagePositionBegin(pgs);

            if (!AnyRowsPage(pgs, _Data))                       // if no rows return
            {
                return;                                         //   nothing left to do
            }
            // Build the Chart bitmap, along with data regions
            Page      p  = pgs.CurrentPage;
            ChartBase cb = null;

            try
            {
                cb = RunChartBuild(rpt, row);                           // Build the chart
                if (!_isHYNEsWonderfulVector.EvaluateBoolean(rpt, row)) //AJM GJL 14082008 'Classic' Rendering
                {
                    System.DrawingCore.Image im = cb.Image(rpt);        // Grab the image
                    int height = im.Height;                             // save height and width
                    int width  = im.Width;

                    MemoryStream ostrm = new MemoryStream();

                    /* The following is a new image saving logic which will allow for higher
                     * quality images using JPEG with 100% quality
                     * 06122007AJM */
                    System.DrawingCore.Imaging.ImageCodecInfo[] info;
                    info = ImageCodecInfo.GetImageEncoders();
                    EncoderParameters encoderParameters;
                    encoderParameters = new EncoderParameters(1);
                    // 20022008 AJM GJL - Centralised class with global encoder settings
                    encoderParameters.Param[0] = new EncoderParameter(Encoder.Quality, ImageQualityManager.ChartImageQuality);
                    System.DrawingCore.Imaging.ImageCodecInfo codec = null;
                    for (int i = 0; i < info.Length; i++)
                    {
                        if (info[i].FormatDescription == "JPEG")
                        {
                            codec = info[i];
                            break;
                        }
                    }
                    im.Save(ostrm, codec, encoderParameters);
                    // 06122007AJM The follow has been replaced with the code above
                    //im.Save(ostrm, info);	// generate a jpeg   TODO: get png to work with pdf

                    byte[] ba = ostrm.ToArray();
                    ostrm.Close();
                    PageImage pi = new PageImage(IMAGEFORMAT, ba, width, height);       // Create an image

                    RunPageRegionBegin(pgs);

                    SetPagePositionAndStyle(rpt, pi, row);
                    pi.SI.BackgroundImage = null;       // chart already has the background image

                    if (pgs.CurrentPage.YOffset + pi.Y + pi.H >= pgs.BottomOfPage && !pgs.CurrentPage.IsEmpty())
                    {   // force page break if it doesn't fit on the page
                        pgs.NextOrNew();
                        pgs.CurrentPage.YOffset = OwnerReport.TopOfPage;
                        if (this.YParents != null)
                        {
                            pi.Y = 0;
                        }
                    }

                    p = pgs.CurrentPage;

                    p.AddObject(pi);    // Put image onto the current page

                    RunPageRegionEnd(pgs);

                    if (!this.PageBreakAtEnd && !IsTableOrMatrixCell(rpt))
                    {
                        float newY = pi.Y + pi.H;
                        p.YOffset += newY;      // bump the y location
                    }
                    SetPagePositionEnd(pgs, pi.Y + pi.H);
                }
                else //Ultimate Rendering - Vector //AJM GJL 14082008
                {
                    System.DrawingCore.Imaging.Metafile im = cb.Image(rpt);     // Grab the image
                    //im could still be saved to a bitmap at this point
                    //if we were to offer a choice of raster or vector, it would probably
                    //be easiest to draw the chart to the EMF and then save as bitmap if needed
                    int    height = im.Height;                                                  // save height and width
                    int    width  = im.Width;
                    byte[] ba     = cb._aStream.ToArray();
                    cb._aStream.Close();

                    PageImage pi = new PageImage(ImageFormat.Wmf, ba, width, height);
                    RunPageRegionBegin(pgs);

                    SetPagePositionAndStyle(rpt, pi, row);
                    pi.SI.BackgroundImage = null;       // chart already has the background image

                    if (pgs.CurrentPage.YOffset + pi.Y + pi.H >= pgs.BottomOfPage && !pgs.CurrentPage.IsEmpty())
                    {   // force page break if it doesn't fit on the page
                        pgs.NextOrNew();
                        pgs.CurrentPage.YOffset = OwnerReport.TopOfPage;
                        if (this.YParents != null)
                        {
                            pi.Y = 0;
                        }
                    }

                    p = pgs.CurrentPage;

                    //GJL 25072008 - Charts now draw in EMFplus format and not in bitmap. Still using the "PageImage" for the positioning
                    //paging etc, but we don't add it to the page.
                    // ******************************************************************************************************************
                    // New EMF Processing... we want to add the EMF Components to the page and not the actual EMF...
                    EMF emf = new EMF(pi.X, pi.Y, width, height);
                    emf.ProcessEMF(ba); //Process takes the bytearray of EMFplus data and breaks it down into lines,ellipses,text,rectangles
                    //etc... There are still a lot of GDI+ functions I haven't got to (and some I have no intention of getting to!).
                    foreach (PageItem emfItem in emf.PageItems)
                    {
                        p.AddObject(emfItem);
                    }
                    // ******************************************************************************************************************

                    //p.AddObject(pi);
                    RunPageRegionEnd(pgs);
                    pi.Y += p.YOffset;
                    if (!this.PageBreakAtEnd && !IsTableOrMatrixCell(rpt))
                    {
                        float newY = pi.Y + pi.H;
                        p.YOffset += newY;                // bump the y location
                    }
                    SetPagePositionEnd(pgs, pi.Y + pi.H); //our emf size seems to be bigger than the jpeg...
                }
            }
            catch (Exception ex)
            {
                rpt.rl.LogError(8, string.Format("Exception in Chart handling.\n{0}\n{1}", ex.Message, ex.StackTrace));
            }
            finally
            {
                if (cb != null)
                {
                    cb.Dispose();
                }
            }

            return;
        }