. NET PDF to Picture

With a cracked version of the O2S.Components.PDFRender4NET.dll plugin, simple reference can be

     Public Static classPdftoimage { Public StaticMemoryStream Getpdfimagepagestream (stringPdfinputpath,intPageIndex, ImageFormat format,intwidth = the,intHeight =2560,intQuality =Ten)        {            Try            {                //PDF Processing PluginPdffile Pdffile =Pdffile.open (Pdfinputpath); intTotal =Pdffile.pagecount; #regionPrevent exception parametersif(PageIndex <0) {PageIndex=0; }                if(PageIndex >Total ) {PageIndex= Total-1; }                if(Quality <1) {Quality=1; }                if(Quality >Ten) {Quality=Ten; }                if(Width <=0) {width=1; }                if(Height <=0) {Height=1; }                #endregion                //PDF Conversion PicturesSizeF pageSize =pdffile.getpagesize (PageIndex); Bitmap Pageimage= Pdffile.getpageimage (PageIndex, About*quality); MemoryStream Ms=NewMemoryStream ();                Pageimage.save (MS, format); //OriginalImage img = Image.fromstream (MS,true); DoubleRatio = (Double) Width/(Double) height; DoubleOratio = (Double) img. Width/(Double) img.                Height; intSbwidth =0; intSbheight =0; intOutX =0; intOuty =0; if(Oratio <ratio) {Sbwidth= (int) (IMG. Width * (Double) Height/(Double) (IMG.                    Height)); Sbheight=height; OutX= (width-sbwidth)/2; }                Else{sbheight= (int) (IMG. Height * (Double) Width/(Double) (IMG.                    Width)); Sbwidth=width; Outy= (height-sbheight)/2; }                //ZoomImage sbimg =NewBitmap (Sbwidth, sbheight); Graphics Sbgra=graphics.fromimage (SBIMG); Sbgra.interpolationmode=System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic; Sbgra.smoothingmode=System.Drawing.Drawing2D.SmoothingMode.HighQuality;                Sbgra.clear (Color.White); Sbgra.drawimage (IMG,NewSystem.Drawing.Rectangle (0,0, Sbwidth, Sbheight),NewSystem.Drawing.Rectangle (0,0, IMG. Width, IMG.                Height), System.Drawing.GraphicsUnit.Pixel); //FillerImage outimg =NewSystem.Drawing.Bitmap (width, height); Graphics Outgra=System.Drawing.Graphics.FromImage (OUTIMG); Outgra.interpolationmode=System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic; Outgra.smoothingmode=System.Drawing.Drawing2D.SmoothingMode.HighQuality;                Outgra.clear (Color.White); Outgra.drawimage (sbimg,NewSystem.Drawing.Rectangle (OutX, Outy, Sbwidth, Sbheight),NewSystem.Drawing.Rectangle (0,0, Sbwidth, sbheight), System.Drawing.GraphicsUnit.Pixel); MemoryStream Outms=NewMemoryStream ();                Outimg.save (OUTMS, format);                Sbimg.dispose ();                Outimg.dispose (); Img.                Dispose (); returnOutms; }            Catch(Exception ex) {}return NewMemoryStream (); }         Public StaticMemoryStream Getpdfimagepagestream (Stream stream,intPageIndex, ImageFormat format,intwidth = the,intHeight =2560,intQuality =Ten)        {            Try            {                //PDF Processing PluginPdffile Pdffile =Pdffile.open (stream); intTotal =Pdffile.pagecount; #regionPrevent exception parametersif(PageIndex <0) {PageIndex=0; }                if(PageIndex >Total ) {PageIndex= Total-1; }                if(Quality <1) {Quality=1; }                if(Quality >Ten) {Quality=Ten; }                if(Width <=0) {width=1; }                if(Height <=0) {Height=1; }                #endregion                //PDF Conversion PicturesSizeF pageSize =pdffile.getpagesize (PageIndex); Bitmap Pageimage= Pdffile.getpageimage (PageIndex, About*quality); MemoryStream Ms=NewMemoryStream ();                Pageimage.save (MS, format); //OriginalImage img = Image.fromstream (MS,true); DoubleRatio = (Double) Width/(Double) height; DoubleOratio = (Double) img. Width/(Double) img.                Height; intSbwidth =0; intSbheight =0; intOutX =0; intOuty =0; if(Oratio <ratio) {Sbwidth= (int) (IMG. Width * (Double) Height/(Double) (IMG.                    Height)); Sbheight=height; OutX= (width-sbwidth)/2; }                Else{sbheight= (int) (IMG. Height * (Double) Width/(Double) (IMG.                    Width)); Sbwidth=width; Outy= (height-sbheight)/2; }                //ZoomImage sbimg =NewBitmap (Sbwidth, sbheight); Graphics Sbgra=graphics.fromimage (SBIMG); Sbgra.interpolationmode=System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic; Sbgra.smoothingmode=System.Drawing.Drawing2D.SmoothingMode.HighQuality;                Sbgra.clear (Color.White); Sbgra.drawimage (IMG,NewSystem.Drawing.Rectangle (0,0, Sbwidth, Sbheight),NewSystem.Drawing.Rectangle (0,0, IMG. Width, IMG.                Height), System.Drawing.GraphicsUnit.Pixel); //FillerImage outimg =NewSystem.Drawing.Bitmap (width, height); Graphics Outgra=System.Drawing.Graphics.FromImage (OUTIMG); Outgra.interpolationmode=System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic; Outgra.smoothingmode=System.Drawing.Drawing2D.SmoothingMode.HighQuality;                Outgra.clear (Color.White); Outgra.drawimage (sbimg,NewSystem.Drawing.Rectangle (OutX, Outy, Sbwidth, Sbheight),NewSystem.Drawing.Rectangle (0,0, Sbwidth, sbheight), System.Drawing.GraphicsUnit.Pixel); MemoryStream Outms=NewMemoryStream ();                Outimg.save (OUTMS, format);                Sbimg.dispose ();                Outimg.dispose (); Img.                Dispose (); returnOutms; }            Catch(Exception ex) {}return NewMemoryStream (); }    }

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. NET PDF to Picture