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feiyangqingyun
2021-01-16 12:41:38 +08:00
parent 9cf0de0f8d
commit e8195be0e3
149 changed files with 1545 additions and 6219 deletions
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19
colorwidget/colorwidget.cpp
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@@ -105,7 +105,7 @@ ColorWidget::ColorWidget(QWidget *parent) : QWidget(parent)
}
ColorWidget::~ColorWidget()
{
{
}
void ColorWidget::mousePressEvent(QMouseEvent *e)
@@ -128,10 +128,7 @@ void ColorWidget::showColorValue()
int x = QCursor::pos().x();
int y = QCursor::pos().y();
txtPoint->setText(tr("x:%1 y:%2").arg(x).arg(y));
QString strDecimalValue, strHex, strTextColor;
int red, green, blue;
#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
QPixmap pixmap = QPixmap::grabWindow(QApplication::desktop()->winId(), x, y, 2, 2);
@@ -140,9 +137,10 @@ void ColorWidget::showColorValue()
QPixmap pixmap = screen->grabWindow(QApplication::desktop()->winId(), x, y, 2, 2);
#endif
int red, green, blue;
QString strDecimalValue, strHex;
if (!pixmap.isNull()) {
QImage image = pixmap.toImage();
if (!image.isNull()) {
if (image.valid(0, 0)) {
QColor color = image.pixel(0, 0);
@@ -159,13 +157,12 @@ void ColorWidget::showColorValue()
}
}
if (red > 200 && green > 200 && blue > 200) {
strTextColor = "10, 10, 10";
} else {
strTextColor = "255, 255, 255";
}
//根据背景色自动计算合适的前景色
QColor color(red, green, blue);
double gray = (0.299 * color.red() + 0.587 * color.green() + 0.114 * color.blue()) / 255;
QColor textColor = gray > 0.5 ? Qt::black : Qt::white;
QString str = tr("background-color: rgb(%1);color: rgb(%2)").arg(strDecimalValue).arg(strTextColor);
QString str = tr("background:rgb(%1);color:%2").arg(strDecimalValue).arg(textColor.name());
labColor->setStyleSheet(str);
txtRgb->setText(strDecimalValue);
txtWeb->setText(strHex);