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Improved EAN and UPC plotting.

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This commit is contained in:
hooper114 2009-05-01 19:22:07 +00:00
parent b39e5ed130
commit aa785f06a8
1 changed files with 79 additions and 7 deletions
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84
backend_qt4/qzint.cpp
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@ -195,7 +195,7 @@ void QZint::render(QPainter & painter, const QRectF & paintRect, AspectRatioMode
{
encode();
bool textdone;
int comp_offset = 0, xoffset = 0, j;
int comp_offset = 0, xoffset = 0, j, main_width = 0, addon_text_height = 0;
QString caption = (const char*)m_zintSymbol->text;
if (m_lastError.length())
@ -307,6 +307,43 @@ void QZint::render(QPainter & painter, const QRectF & paintRect, AspectRatioMode
break;;
}
while(m_zintSymbol->encoded_data[m_zintSymbol->rows - 1][comp_offset] != '1') {
comp_offset++;
}
xoffset += comp_offset;
main_width = m_zintSymbol->width;
if ((((m_zintSymbol->symbology == BARCODE_EANX) && (m_zintSymbol->rows == 1)) || (m_zintSymbol->symbology == BARCODE_EANX_CC))
|| (m_zintSymbol->symbology == BARCODE_ISBNX)) {
switch(caption.size()) {
case 13: /* EAN 13 */
case 16:
case 19:
if(m_zintSymbol->whitespace_width == 0) {
m_zintSymbol->whitespace_width = 10;
}
main_width = 96 + comp_offset;
break;
default:
main_width = 68 + comp_offset;
break;
}
}
if (((m_zintSymbol->symbology == BARCODE_UPCA) && (m_zintSymbol->rows == 1)) || (m_zintSymbol->symbology == BARCODE_UPCA_CC)) {
if(m_zintSymbol->whitespace_width == 0) {
m_zintSymbol->whitespace_width = 10;
main_width = 96 + comp_offset;
}
}
if (((m_zintSymbol->symbology == BARCODE_UPCE) && (m_zintSymbol->rows == 1)) || (m_zintSymbol->symbology == BARCODE_UPCE_CC)) {
if(m_zintSymbol->whitespace_width == 0) {
m_zintSymbol->whitespace_width = 10;
main_width = 51 + comp_offset;
}
}
p.setWidth(1);
painter.setPen(p);
@ -386,17 +423,18 @@ void QZint::render(QPainter & painter, const QRectF & paintRect, AspectRatioMode
color=m_fgColor;
break;
}
if(!((i > main_width) && (row == m_zintSymbol->rows - 1))) {
painter.fillRect(i,y,linewidth,m_zintSymbol->row_height[row],QBrush(color));
} else {
painter.fillRect(i,y + 8,linewidth,m_zintSymbol->row_height[row] - 3,QBrush(color));
addon_text_height = y;
}
}
y+=m_zintSymbol->row_height[row];
}
}
textdone = false;
while(m_zintSymbol->encoded_data[m_zintSymbol->rows - 1][comp_offset] != '1') {
comp_offset++;
}
xoffset += comp_offset;
painter.setFont(QFont("Ariel", 4));
if(((m_zintSymbol->symbology == BARCODE_EANX) || (m_zintSymbol->symbology == BARCODE_EANX_CC)) ||
@ -411,6 +449,12 @@ void QZint::render(QPainter & painter, const QRectF & paintRect, AspectRatioMode
painter.fillRect(34 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
painter.fillRect(64 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
painter.fillRect(66 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
painter.setFont(QFont("Ariel", 6));
painter.drawText(3 + xoffset, m_zintSymbol->height, 29, 9,Qt::AlignCenter, caption.mid(0,4));
painter.drawText(35 + xoffset, m_zintSymbol->height, 29, 9,Qt::AlignCenter, caption.mid(4,4));
if(caption.size() == 11) { /* EAN-2 */ painter.drawText(76 + xoffset, addon_text_height, 20, 9,Qt::AlignCenter, caption.mid(9,2)); };
if(caption.size() == 14) { /* EAN-5 */ painter.drawText(76 + xoffset, addon_text_height, 47, 9,Qt::AlignCenter, caption.mid(9,5)); };
painter.setFont(QFont("Ariel", 4));
textdone = true;
break;
case 13:
@ -422,9 +466,22 @@ void QZint::render(QPainter & painter, const QRectF & paintRect, AspectRatioMode
painter.fillRect(48 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
painter.fillRect(92 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
painter.fillRect(94 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
painter.setFont(QFont("Ariel", 6));
painter.drawText(xoffset - 7, m_zintSymbol->height, 7, 9,Qt::AlignCenter, caption.mid(0,1));
painter.drawText(3 + xoffset, m_zintSymbol->height, 43, 9,Qt::AlignCenter, caption.mid(1,6));
painter.drawText(49 + xoffset, m_zintSymbol->height, 43, 9,Qt::AlignCenter, caption.mid(7,6));
if(caption.size() == 16) { /* EAN-2 */ painter.drawText(104 + xoffset, addon_text_height, 20, 9,Qt::AlignCenter, caption.mid(14,2)); };
if(caption.size() == 19) { /* EAN-5 */ painter.drawText(104 + xoffset, addon_text_height, 47, 9,Qt::AlignCenter, caption.mid(14,5)); };
painter.setFont(QFont("Ariel", 4));
textdone = true;
break;
}
if(textdone == false) {
painter.setFont(QFont("Ariel", 6));
painter.drawText(0, m_zintSymbol->height, m_zintSymbol->width, 9,Qt::AlignCenter, caption);
painter.setFont(QFont("Ariel", 4));
textdone = true;
}
}
if((m_zintSymbol->symbology == BARCODE_UPCA) || (m_zintSymbol->symbology == BARCODE_UPCA_CC)) {
@ -466,6 +523,14 @@ void QZint::render(QPainter & painter, const QRectF & paintRect, AspectRatioMode
}
j += block_width;
} while (j < 96 + comp_offset);
painter.drawText(xoffset - 7, m_zintSymbol->height, 7, 7,Qt::AlignCenter, caption.mid(0,1));
painter.drawText(96 + xoffset, m_zintSymbol->height, 7, 7,Qt::AlignCenter, caption.mid(11,1));
painter.setFont(QFont("Ariel", 6));
painter.drawText(11 + xoffset, m_zintSymbol->height, 35, 9,Qt::AlignCenter, caption.mid(1,5));
painter.drawText(49 + xoffset, m_zintSymbol->height, 35, 9,Qt::AlignCenter, caption.mid(6,5));
if(caption.size() == 15) { /* EAN-2 */ painter.drawText(104 + xoffset, addon_text_height, 20, 9,Qt::AlignCenter, caption.mid(13,2)); };
if(caption.size() == 18) { /* EAN-5 */ painter.drawText(104 + xoffset, addon_text_height, 47, 9,Qt::AlignCenter, caption.mid(13,5)); };
painter.setFont(QFont("Ariel", 4));
textdone = true;
}
@ -475,11 +540,18 @@ void QZint::render(QPainter & painter, const QRectF & paintRect, AspectRatioMode
painter.fillRect(46 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
painter.fillRect(48 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
painter.fillRect(50 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
painter.drawText(xoffset - 7, m_zintSymbol->height, 7, 7,Qt::AlignCenter, caption.mid(0,1));
painter.drawText(51 + xoffset, m_zintSymbol->height, 7, 7,Qt::AlignCenter, caption.mid(7,1));
painter.setFont(QFont("Ariel", 6));
painter.drawText(3 + xoffset, m_zintSymbol->height, 43, 9,Qt::AlignCenter, caption.mid(1,6));
if(caption.size() == 11) { /* EAN-2 */ painter.drawText(60 + xoffset, addon_text_height, 20, 9,Qt::AlignCenter, caption.mid(9,2)); };
if(caption.size() == 14) { /* EAN-2 */ painter.drawText(60 + xoffset, addon_text_height, 47, 9,Qt::AlignCenter, caption.mid(9,5)); };
painter.setFont(QFont("Ariel", 4));
textdone = true;
}
if((caption.isEmpty() == false) && (textdone == false)) {
painter.drawText(0, m_zintSymbol->height + 3, m_zintSymbol->width, 7,Qt::AlignCenter, caption);
painter.drawText(0, m_zintSymbol->height, m_zintSymbol->width, 7,Qt::AlignCenter, caption);
}
painter.restore();
}