| Code with Misuse: |
class BarcodeEAN {
/** Places the barcode in a <CODE>PdfContentByte</CODE>. The
* barcode is always placed at coordinates (0, 0). Use the
* translation matrix to move it elsewhere.<p>
* The bars and text are written in the following colors:<p>
* <P><TABLE BORDER=1>
* <TR>
* <TH><P><CODE>barColor</CODE></TH>
* <TH><P><CODE>textColor</CODE></TH>
* <TH><P>Result</TH>
* </TR>
* <TR>
* <TD><P><CODE>null</CODE></TD>
* <TD><P><CODE>null</CODE></TD>
* <TD><P>bars and text painted with current fill color</TD>
* </TR>
* <TR>
* <TD><P><CODE>barColor</CODE></TD>
* <TD><P><CODE>null</CODE></TD>
* <TD><P>bars and text painted with <CODE>barColor</CODE></TD>
* </TR>
* <TR>
* <TD><P><CODE>null</CODE></TD>
* <TD><P><CODE>textColor</CODE></TD>
* <TD><P>bars painted with current color<br>text painted with <CODE>textColor</CODE></TD>
* </TR>
* <TR>
* <TD><P><CODE>barColor</CODE></TD>
* <TD><P><CODE>textColor</CODE></TD>
* <TD><P>bars painted with <CODE>barColor</CODE><br>text painted with <CODE>textColor</CODE></TD>
* </TR>
* </TABLE>
* @param cb the <CODE>PdfContentByte</CODE> where the barcode will be placed
* @param barColor the color of the bars. It can be <CODE>null</CODE>
* @param textColor the color of the text. It can be <CODE>null</CODE>
* @return the dimensions the barcode occupies
*/
public Rectangle placeBarcode(PdfContentByte cb, BaseColor barColor, BaseColor textColor) {
Rectangle rect = getBarcodeSize();
float barStartX = 0;
float barStartY = 0;
float textStartY = 0;
if (font != null) {
if (baseline <= 0)
textStartY = barHeight - baseline;
else {
textStartY = -font.getFontDescriptor(BaseFont.DESCENT, size);
barStartY = textStartY + baseline;
}
}
switch (codeType) {
case EAN13:
case UPCA:
case UPCE:
if (font != null)
barStartX += font.getWidthPoint(code.charAt(0), size);
break;
}
byte bars[] = null;
int guard[] = GUARD_EMPTY;
switch (codeType) {
case EAN13:
bars = getBarsEAN13(code);
guard = GUARD_EAN13;
break;
case EAN8:
bars = getBarsEAN8(code);
guard = GUARD_EAN8;
break;
case UPCA:
bars = getBarsEAN13("0" + code);
guard = GUARD_UPCA;
break;
case UPCE:
bars = getBarsUPCE(code);
guard = GUARD_UPCE;
break;
case SUPP2:
bars = getBarsSupplemental2(code);
break;
case SUPP5:
bars = getBarsSupplemental5(code);
break;
}
float keepBarX = barStartX;
boolean print = true;
float gd = 0;
if (font != null && baseline > 0 && guardBars) {
gd = baseline / 2;
}
if (barColor != null)
cb.setColorFill(barColor);
for (int k = 0; k < bars.length; ++k) {
float w = bars[k] * x;
if (print) {
if (Arrays.binarySearch(guard, k) >= 0)
cb.rectangle(barStartX, barStartY - gd, w - inkSpreading, barHeight + gd);
else
cb.rectangle(barStartX, barStartY, w - inkSpreading, barHeight);
}
print = !print;
barStartX += w;
}
cb.fill();
if (font != null) {
if (textColor != null)
cb.setColorFill(textColor);
cb.beginText();
cb.setFontAndSize(font, size);
switch (codeType) {
case EAN13:
cb.setTextMatrix(0, textStartY);
cb.showText(code.substring(0, 1));
for (int k = 1; k < 13; ++k) {
String c = code.substring(k, k + 1);
float len = font.getWidthPoint(c, size);
float pX = keepBarX + TEXTPOS_EAN13[k - 1] * x - len / 2;
cb.setTextMatrix(pX, textStartY);
cb.showText(c);
}
break;
case EAN8:
for (int k = 0; k < 8; ++k) {
String c = code.substring(k, k + 1);
float len = font.getWidthPoint(c, size);
float pX = TEXTPOS_EAN8[k] * x - len / 2;
cb.setTextMatrix(pX, textStartY);
cb.showText(c);
}
break;
case UPCA:
cb.setTextMatrix(0, textStartY);
cb.showText(code.substring(0, 1));
for (int k = 1; k < 11; ++k) {
String c = code.substring(k, k + 1);
float len = font.getWidthPoint(c, size);
float pX = keepBarX + TEXTPOS_EAN13[k] * x - len / 2;
cb.setTextMatrix(pX, textStartY);
cb.showText(c);
}
cb.setTextMatrix(keepBarX + x * (11 + 12 * 7), textStartY);
cb.showText(code.substring(11, 12));
break;
case UPCE:
cb.setTextMatrix(0, textStartY);
cb.showText(code.substring(0, 1));
for (int k = 1; k < 7; ++k) {
String c = code.substring(k, k + 1);
float len = font.getWidthPoint(c, size);
float pX = keepBarX + TEXTPOS_EAN13[k - 1] * x - len / 2;
cb.setTextMatrix(pX, textStartY);
cb.showText(c);
}
cb.setTextMatrix(keepBarX + x * (9 + 6 * 7), textStartY);
cb.showText(code.substring(7, 8));
break;
case SUPP2:
case SUPP5:
for (int k = 0; k < code.length(); ++k) {
String c = code.substring(k, k + 1);
float len = font.getWidthPoint(c, size);
float pX = (7.5f + (9 * k)) * x - len / 2;
cb.setTextMatrix(pX, textStartY);
cb.showText(c);
}
break;
}
cb.endText();
}
return rect;
}
}
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