mirror of
https://github.com/zhuzichu520/FluentUI.git
synced 2024-11-23 19:20:59 +08:00
45 lines
1.8 KiB
C++
45 lines
1.8 KiB
C++
#include "FluWatermark.h"
|
|
|
|
#include "FluTextStyle.h"
|
|
|
|
FluWatermark::FluWatermark(QQuickItem *parent) : QQuickPaintedItem(parent) {
|
|
_gap = QPoint(100, 100);
|
|
_offset = QPoint(_gap.x() / 2, _gap.y() / 2);
|
|
_rotate = 22;
|
|
_textColor = QColor(222, 222, 222, 222);
|
|
_textSize = 16;
|
|
setZ(9999);
|
|
connect(this, &FluWatermark::textColorChanged, this, [=] { update(); });
|
|
connect(this, &FluWatermark::gapChanged, this, [=] { update(); });
|
|
connect(this, &FluWatermark::offsetChanged, this, [=] { update(); });
|
|
connect(this, &FluWatermark::textChanged, this, [=] { update(); });
|
|
connect(this, &FluWatermark::rotateChanged, this, [=] { update(); });
|
|
connect(this, &FluWatermark::textSizeChanged, this, [=] { update(); });
|
|
}
|
|
|
|
void FluWatermark::paint(QPainter *painter) {
|
|
QFont font;
|
|
font.setFamily(FluTextStyle::getInstance()->family());
|
|
font.setPixelSize(_textSize);
|
|
painter->setFont(font);
|
|
painter->setPen(_textColor);
|
|
QFontMetricsF fontMetrics(font);
|
|
qreal fontWidth = fontMetrics.horizontalAdvance(_text);
|
|
qreal fontHeight = fontMetrics.height();
|
|
int stepX = qRound(fontWidth + _gap.x());
|
|
int stepY = qRound(fontHeight + _gap.y());
|
|
int rowCount = qRound(width() / stepX + 1);
|
|
int colCount = qRound(height() / stepY + 1);
|
|
for (int r = 0; r < rowCount; r++) {
|
|
for (int c = 0; c < colCount; c++) {
|
|
qreal centerX = stepX * r + _offset.x() + fontWidth / 2.0;
|
|
qreal centerY = stepY * c + _offset.y() + fontHeight / 2.0;
|
|
painter->save();
|
|
painter->translate(centerX, centerY);
|
|
painter->rotate(_rotate);
|
|
painter->drawText(QRectF(-fontWidth / 2.0, -fontHeight / 2.0, fontWidth, fontHeight), _text);
|
|
painter->restore();
|
|
}
|
|
}
|
|
}
|