#include "codewidget.h"
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CodeWidget::CodeWidget(QWidget *parent) :
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QWidget(parent)
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{
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resize(180, 160);
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casesen = true;
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margin = 10;
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percent = 0.23;
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foreground = QColor("black");
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background = QColor("white");
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mode = MODE_8;
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level = LEVEL_Q;
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}
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void CodeWidget::paintEvent(QPaintEvent *)
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{
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QPainter painter(this);
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QRcode *qrcode = QRcode_encodeString(text.data(), 7, (QRecLevel)level, (QRencodeMode)mode, casesen ? 1 : 0);
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if(0 != qrcode) {
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unsigned char *point = qrcode->data;
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painter.setPen(Qt::NoPen);
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painter.setBrush(this->background);
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painter.drawRect(0, 0, this->width(), this->height());
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double scale = (this->width () - 2.0 * margin) / qrcode->width;
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painter.setBrush(this->foreground);
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for (int y = 0; y < qrcode->width; y ++) {
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for (int x = 0; x < qrcode->width; x ++) {
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if (*point & 1) {
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QRectF r(margin + x * scale, margin + y * scale, scale, scale);
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painter.drawRects(&r, 1);
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}
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point ++;
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}
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}
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point = NULL;
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QRcode_free(qrcode);
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// draw icon
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// if (icon.isNull ()) {
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painter.setBrush(this->background);
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double icon_width = (this->width () - 2.0 * margin) * percent;
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double icon_height = icon_width;
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double wrap_x = (this->width () - icon_width) / 2.0;
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double wrap_y = (this->width () - icon_height) / 2.0;
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QRectF wrap(wrap_x - 5, wrap_y - 5, icon_width + 10, icon_height + 10);
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painter.drawRoundRect(wrap, 50, 50);
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QPixmap image(":/new/prefix1/code.png");
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QRectF target(wrap_x, wrap_y, icon_width, icon_height);
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QRectF source(0, 0, image.width (), image.height ());
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painter.drawPixmap (target, image, source);
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}
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qrcode = NULL;
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}
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void CodeWidget::updateCode(QByteArray &text)
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{
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this->text = text;
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}
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