how to calculate the

int bitmapDataOffset = 62;
and 
int bitmapDataLength = 8160;
double widthInBytes = Math.Ceiling(width / 8.0);

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in other image

you can make use of BitmapData and Bitmap classes.

"BitmapData.Scan0" and "BitmapData.Stride" can help you to find the parameter "bitmapDataLength". Also "Height", "Width", "PixelFormat" properties of "Bitmap" can help you to find rest of the parameters.


Does it help you ?

i am try   use of BitmapData and Bitmap classes.
but not working !!

Have you used the parameters i have mentioned above ? Can we see what you have tried so far ?

CT~~CD,~CC^~CT~
^XA~TA000~JSN^LT0^MNW^MTT^PON^PMN^LH0,0^JMA^PR2,2~SD30^JUS^LRN^CI0^XZ
~DG000.GRF,04864,076,
,kU02,kU07,kU02,kV040,kV0E0,kU07C0,K080kN060I080,K0C0gK010S010gL030gL040U0C0,K0C0gK0180R0180gK020gL060U0C0,J01C010041C00180H030181C0010H01C030181C0010H01C030181C0010I0401070H030H07004010780030H01C03070H040H0701C03070H0404001C018041C00180H030181C001,K0E0380E1E00180H030183E00380038030183E00380038030183E00380H0E038F80060H0380E038F80060H01C060F800E0H0E01C060F800E0J0E0380E1E00180H030183E00380,K0607C1E3F003C0H0703C7F007C001C0703C7F0078001C0703C7F007C001F078FE00F0H0100F07CFE00F0H01C0F1FC01E0H0701C0F1FC01E040H0607C1E3F003C0H0703C7F00780,K0203C0607802C0H0F82C0F80080H080F82C0F80080H080F82C0F80080H0E0080E00B0I080E0080E00B0H03E0B03E0060H0203E0B03E006060H0203C0607802C0H0F82C0F80080,K0705C1701C046001D84707C0DC0H040D84607C0DC0H041D84707C1DC001B0DC07819800181B0DC07819800371981F0170H010371981F017060H0604C1701C0470H0D84607C0DC0,K0200C3B00E0660H0H8H601E0EC0H040886601E0EC0H040886601E0EC00190EC0381980H081B0EC03819800221980F83B0H010221980F83B020H0204C3B00E0660H0H8H601E0EC0,I01FE067FLFE0H0CFMFC01FC0DFMFC01FC0DFMFC0011FMF807F811FMF80037FMFH07F037FNFE01FE067FLFE0H0DFMFC0,J0FE07FMFE0H0OFC03FC0FNFC03FC0FNFC0H0OF803F80FNF8003FMFE007E03FOFE00FE07FMFE0H0OFC0,I01FE07FDFJFDF0H07FDFJF7C01FC0FFDFJF7C01FC07FDFJF7C001FF7FKF807F81FF7FJF78001FLFDF007F01FF7FIFDFHF01FF07FDFJFDE0H0HFDFJF7C0,J0FE03F83FIF060H03F07FHFE0C01FC03F07FHFE0801F803F07FHFE0C0H0FE0FIFC1803F80FE0FIFC18001FC1FIF83003F01FC1FIF83FE00FE03F83FIF060H03F07FHFE080,N0C0P010S010S010Q070S070Q060S060U0C0P01,M0180N02030Q02030Q02030Q060S060O080C0Q080C0T0180N0203,K01C780N010F0Q01070Q010F0O031F0Q031E0O041C0Q041C0S0C780N0107,L03F0P0FE0R0FE0R0FE0O01FC0Q01FC0O03F80Q03F80S03F0P0FE,L03F0P07C0R07C0R07C0P0FC0R0FC0O01F0R01F0T03F0P07C,M0C0P0380R0380R0380P030S030Q060S060U0E0P038,,^XA
^MMT
^PW609
^LL0406
^LS0
^FT0,128^XG000.GRF,1,1^FS
^PQ1,0,1,Y^XZ
^XA^ID000.GRF^FS^XZ

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Downloading and Printing Graphic Images
The ~DG command requires parameters indicating the size of the graphic image.
Format dds~DGd,o,x,t,w,data

This is the content of your ZPL file. we need to have a look at your code that generates "data" parameter of DG command. Can we see that ?

this code from ZebraDesigner Pro i want design seam theta in c sharp

Hi!

you can read header format of Bitmap and evaluates these parameters. Check this out:
http://www.fastgraph.com/help/bmp_header_format.html

Read the Bitmap File with:

System.IO.File.ReadAllBytes(.....)

and evaluates bytes:

byte 10 (bitmapDataOffset ),  
byte 18 (width)
byte 22 (height)
byte 28 (bits per pixel)

for bitmapDataLength :
bitmapDataLength = Total number of Bytes in file - bitmapDataOffset
i.e.,
8222 - 62 = 8160   ( values for test.bmp) given in the link you have attached in question


hope it helps!

how to use this class http://www.fastgraph.com/help/bmp_header_format.html

its not class. it shows you the header format of a BMP file. you need to read specific bytes(which is required in your case). If you are bothered with the link leave it and go with the guide line provided to you for finding the required parameter.

a part from my prev post:

Read the Bitmap File with:

System.IO.File.ReadAllBytes(.....)

and evaluates bytes:

byte 10 (bitmapDataOffset ),  
byte 18 (width)
byte 22 (height)
byte 28 (bits per pixel)

for bitmapDataLength :
bitmapDataLength = Total number of Bytes in file - bitmapDataOffset
i.e.,
8222 - 62 = 8160   ( values for test.bmp) given in the link you have attached in question

thank you Mr Shahan_Developer
the code is working if image width=255
if change width to 100 or 300 or any size  not print image print the black image
also and the image print invert

Have you used black and White images ? or have you tried with same width and height ratio pictures? like 100x100, 200x200 ,300x300 etc ?

this code get width of image
  int width = int.Parse(bitmapFileData[18].ToString()); ;
my image width is 320 pixc

but the  width  in program is 64  i dont no why  return 64
 
 double widthInBytes = Math.Ceiling(width / 8.0);

widthInBytes=Math.Ceiling(64 / 8.0);->8
but
 
widthInBytes should be equal 40

I acknowledge that there is a problem, the application generates a file for the printer and converts the image but only if he has a size of 255 x 255, each time causing problems. Instead graphics appear on the printout interrupted by lines. I tried with different parameters height and width, I gave it a multiple of 255 but it could not succeed. Maybe someone knows how to change the algorithm?
greets
Piotr

I made experiment and proved that for label 624x240 wee need increase widthInBytes by 2

            int bitmapDataOffset = int.Parse(bitmapFileData[10].ToString()); ;
            int width = 624;// int.Parse(bitmapFileData[18].ToString()); ;
            int height = int.Parse(bitmapFileData[22].ToString()); ;
            int bitsPerPixel = int.Parse(bitmapFileData[28].ToString()); // Monochrome image required!
            int bitmapDataLength = bitmapFileData.Length - bitmapDataOffset;
            double widthInBytes = Math.Ceiling(width / 8.0)+2;

double widthInBytes = Math.Ceiling(width / 8.0);

the widthInBytes  must be a multiple of 8, if the image is small or big is necessary to resize it.