Differential D27909 Diff 77610 src/lib/code128barcode.cpp

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src/lib/code128barcode.cpp

Show All 37 Lines30enum CodeSetOp : uint8_t {
38 LatchC = 99 38​ LatchC = 99
39}; 39​};
40 40​
41Code128Barcode::Code128Barcode() : AbstractBarcode(AbstractBarcode::OneDimension) {} 41​Code128Barcode::Code128Barcode() : AbstractBarcode(AbstractBarcode::OneDimension) {}
42Code128Barcode::~Code128Barcode() = default; 42​Code128Barcode::~Code128Barcode() = default;
43 43​
44QImage Code128Barcode::paintImage(const QSizeF& size) 44​QImage Code128Barcode::paintImage(const QSizeF& size)
45{ 45​{
46 if (size.height() < 1) 46​ Q_UNUSED(size);
47 return {}; ​
48 47​
49 const auto bits = encode(data().toLatin1()); 48​ const auto bits = encode(data().toLatin1());
50 const auto width = bits.size() + 2 * QuietZone; 49​ const auto width = bits.size() + 2 * QuietZone;
51 setMinimumSize(QSizeF(width, 10)); 50​ setMinimumSize(QSizeF(width, 1));
52 ​
53 const auto moduleSize = size.width() / width; ​
54 if (moduleSize < 1) // too small for this ​
55 return {}; ​
56 51​
57 QImage img(moduleSize * width, size.height(), QImage::Format_ARGB32); 52​ QImage img(width, 1, QImage::Format_ARGB32);
58 img.fill(backgroundColor()); 53​ img.fill(backgroundColor());
59 QPainter p(&img); 54​ QPainter p(&img);
60 for (int i = 0; i < bits.size(); ++i) { 55​ for (int i = 0; i < bits.size(); ++i) {
61 if (bits.at(i)) 56​ if (bits.at(i)) {
62 p.fillRect(QRectF((QuietZone + i) * moduleSize, 0, moduleSize, img.height()), foregroundColor()); 57​ img.setPixel(QuietZone + i, 0, foregroundColor().rgb());
58​ }
63 } 59​ }
64 60​
65 return img; 61​ return img;
66} 62​}
67 63​
68// Code 128 symbol table 64​// Code 128 symbol table
69// ### this is the perfect use-case for binary literals (as the binary pattern 65​// ### this is the perfect use-case for binary literals (as the binary pattern
70// corresponds to the line pattern), adjust this once KF5 moves to C++14 66​// corresponds to the line pattern), adjust this once KF5 moves to C++14
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