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feat: Shift+Click to use color-inverted checkerboard

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This commit is contained in:
Gary Wang
2021-03-01 00:44:50 +08:00
parent aecc3cf163
commit b146150528
6 changed files with 28 additions and 10 deletions
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16
app/graphicsview.cpp
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@ -158,9 +158,9 @@ void GraphicsView::checkAndDoFitInView(bool markItOnAnyway)
}
}
void GraphicsView::toggleCheckerboard()
void GraphicsView::toggleCheckerboard(bool invertCheckerboardColor)
{
setCheckerboardEnabled(!m_checkerboardEnabled);
setCheckerboardEnabled(!m_checkerboardEnabled, invertCheckerboardColor);
}
void GraphicsView::mousePressEvent(QMouseEvent *event)
@ -294,17 +294,19 @@ bool GraphicsView::shouldIgnoreMousePressMoveEvent(const QMouseEvent *event) con
return false;
}
void GraphicsView::setCheckerboardEnabled(bool enabled)
void GraphicsView::setCheckerboardEnabled(bool enabled, bool invertColor)
{
m_checkerboardEnabled = enabled;
m_isLastCheckerboardColorInverted = invertColor;
if (m_checkerboardEnabled) {
// Prepare background check-board pattern
QPixmap tilePixmap(0x20, 0x20);
tilePixmap.fill(QColor(35, 35, 35, 170));
tilePixmap.fill(invertColor ? QColor(220, 220, 220, 170) : QColor(35, 35, 35, 170));
QPainter tilePainter(&tilePixmap);
QColor color(45, 45, 45, 170);
tilePainter.fillRect(0, 0, 0x10, 0x10, color);
tilePainter.fillRect(0x10, 0x10, 0x10, 0x10, color);
constexpr QColor color(45, 45, 45, 170);
constexpr QColor invertedColor(210, 210, 210, 170);
tilePainter.fillRect(0, 0, 0x10, 0x10, invertColor ? invertedColor : color);
tilePainter.fillRect(0x10, 0x10, 0x10, 0x10, invertColor ? invertedColor : color);
tilePainter.end();
setBackgroundBrush(tilePixmap);