Skip to content

EAN-13 - restored standardized barcode with check digit on the left side of lines #89

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
morrky89 wants to merge 1 commit into
base: master
Choose a base branch
from
Open

EAN-13 - restored standardized barcode with check digit on the left side of lines #89

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions BarcodeStandard/BarcodeLib.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -754,6 +754,7 @@ private Bitmap Generate_Image()
LabelFont = labFont;

ILHeight -= (labFont.Height / 2);
shiftAdjustment = (Width % Encoded_Value.Length);
}
else
{
Expand Down
23 changes: 5 additions & 18 deletions BarcodeStandard/Labels.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -156,20 +156,7 @@ public static Image Label_EAN13(Barcode Barcode, Bitmap img)

using (Font labFont = new Font("Arial", getFontsize(Barcode.Width - Barcode.Width % Barcode.EncodedValue.Length, img.Height, defTxt), FontStyle.Regular))
{
int shiftAdjustment;
switch (Barcode.Alignment)
{
case AlignmentPositions.LEFT:
shiftAdjustment = 0;
break;
case AlignmentPositions.RIGHT:
shiftAdjustment = (Barcode.Width % Barcode.EncodedValue.Length);
break;
case AlignmentPositions.CENTER:
default:
shiftAdjustment = (Barcode.Width % Barcode.EncodedValue.Length) / 2;
break;
}//switch
int shiftAdjustment = (Barcode.Width % Barcode.EncodedValue.Length);

using (Graphics g = Graphics.FromImage(img))
{
Expand All @@ -196,25 +183,25 @@ public static Image Label_EAN13(Barcode Barcode, Bitmap img)
float w2 = iBarWidth * 42; //Width of second block
float w3 = iBarWidth * 42; //Width of third block

float s1 = shiftAdjustment - iBarWidth;
float s2 = s1 + (iBarWidth * 4); //Start position of block 2
float s2 = Barcode.Width - (Barcode.EncodedValue.Length * iBarWidth) + (iBarWidth * 3); //Start position of block 2
float s1 = s2 - (iBarWidth * 5) - w1;
float s3 = s2 + w2 + (iBarWidth * 5); //Start position of block 3

//Draw the background rectangles for each block
using (SolidBrush backBrush = new SolidBrush(Barcode.BackColor))
{
g.FillRectangle(backBrush, new RectangleF(s2, (float)LabelY, w2, (float)labFont.Height));
g.FillRectangle(backBrush, new RectangleF(s3, (float)LabelY, w3, (float)labFont.Height));

}

//draw datastring under the barcode image
using (SolidBrush foreBrush = new SolidBrush(Barcode.ForeColor))
{
using (Font smallFont = new Font(labFont.FontFamily, labFont.SizeInPoints * 0.5f, labFont.Style))
{
g.DrawString(defTxt.Substring(0, 1), smallFont, foreBrush, new RectangleF(s1, (float)img.Height - (float)(smallFont.Height * 0.9), (float)img.Width, (float)labFont.Height), f);
g.DrawString(defTxt.Substring(0, 1), smallFont, foreBrush, new RectangleF(s1, (float)LabelY, (float)img.Width, (float)labFont.Height), f);
}

g.DrawString(defTxt.Substring(1, 6), labFont, foreBrush, new RectangleF(s2, (float)LabelY, (float)img.Width, (float)labFont.Height), f);
g.DrawString(defTxt.Substring(7), labFont, foreBrush, new RectangleF(s3 - iBarWidth, (float)LabelY, (float)img.Width, (float)labFont.Height), f);
}
Expand Down