private string GetLayerPicture(ReportComponentBase obj, out float Width, out float Height)
{
string result = String.Empty;
Width = 0;
Height = 0;
if (obj != null)
{
if (FPictures)
{
MemoryStream PictureStream = new MemoryStream();
System.Drawing.Imaging.ImageFormat FPictureFormat = System.Drawing.Imaging.ImageFormat.Bmp;
if (FImageFormat == ImageFormat.Png)
{
FPictureFormat = System.Drawing.Imaging.ImageFormat.Png;
}
else if (FImageFormat == ImageFormat.Jpeg)
{
FPictureFormat = System.Drawing.Imaging.ImageFormat.Jpeg;
}
else if (FImageFormat == ImageFormat.Gif)
{
FPictureFormat = System.Drawing.Imaging.ImageFormat.Gif;
}
Width = obj.Width == 0 ? obj.Border.LeftLine.Width : obj.Width;
Height = obj.Height == 0 ? obj.Border.TopLine.Width : obj.Height;
if (Math.Abs(Width) * Zoom < 1 && Zoom > 0)
{
Width = 1 / Zoom;
}
if (Math.Abs(Height) * Zoom < 1 && Zoom > 0)
{
Height = 1 / Zoom;
}
using (System.Drawing.Image image = new Bitmap((int)(Math.Abs(Width * Zoom)), (int)(Math.Abs(Height * Zoom))))
{
using (Graphics g = Graphics.FromImage(image))
{
if (obj is TextObjectBase)
{
g.Clear(Color.White);
}
float Left = Width > 0 ? obj.AbsLeft : obj.AbsLeft + Width;
float Top = Height > 0 ? obj.AbsTop : obj.AbsTop + Height;
float dx = 0; // (obj.Border.Lines & BorderLines.Left) != 0 ? obj.Border.LeftLine.Width : 0; !!! fix for borders
float dy = 0; // (obj.Border.Lines & BorderLines.Top) != 0 ? obj.Border.TopLine.Width : 0;
g.TranslateTransform((-Left - dx) * Zoom, (-Top - dy) * Zoom);
BorderLines oldLines = obj.Border.Lines;
obj.Border.Lines = BorderLines.None;
obj.Draw(new FRPaintEventArgs(g, Zoom, Zoom, Report.GraphicCache));
obj.Border.Lines = oldLines;
}
if (FPictureFormat == System.Drawing.Imaging.ImageFormat.Jpeg)
{
ImageCodecInfo[] codecs = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo ici = null;
foreach (ImageCodecInfo codec in codecs)
{
if (codec.MimeType == "image/jpeg")
{
ici = codec;
break;
}
}
EncoderParameters ep = new EncoderParameters();
ep.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 95);
image.Save(PictureStream, ici, ep);
}
else
{
image.Save(PictureStream, FPictureFormat);
}
}
PictureStream.Position = 0;
result = HTMLGetImage(0, 0, 0, ExportUtils.Crc32(PictureStream, PictureStream.Length - 128, 128).ToString(), true, null, PictureStream);
}
}
return(result);
}