KisColorSamplerPreviewPreview Class Reference

A widget that allows to select a combination of auto levels parameters. More...

#include <KisColorSamplerPreviewPreview.h>

Inheritance diagram for KisColorSamplerPreviewPreview:

Public Member Functions
	KisColorSamplerPreviewPreview (QWidget *parent)
void	paintEvent (QPaintEvent *e) override
void	setDiameter (int diameter)
void	setOutlineEnabled (bool enabled)
void	setThickness (qreal thickness)

Private Attributes
int	m_diameter {200}
QColor	m_outlineColor {QColor::fromRgbF(0.5, 0.5, 0.5)}
bool	m_outlineEnabled {true}
QColor	m_sampledColorBottom {QColor::fromRgb(67, 154, 120)}
QColor	m_sampledColorTop {QColor::fromRgb(67, 183, 120)}
qreal	m_thickness {0.1}

Static Private Attributes
static constexpr qreal	m_crossLength {8.0}
static constexpr qreal	m_crossSpace {2.0}
static constexpr int	m_horizontalWidgetMargins {20}
static constexpr qreal	m_outlineThickness {1.0}
static constexpr qreal	m_roundingMargin {3}
static constexpr qreal	m_verticalOutlineMargins {10.0}

Detailed Description

A widget that allows to select a combination of auto levels parameters.

Definition at line 20 of file KisColorSamplerPreviewPreview.h.

Constructor & Destructor Documentation

KisColorSamplerPreviewPreview()

KisColorSamplerPreviewPreview::KisColorSamplerPreviewPreview

(

QWidget *

parent

)

Definition at line 21 of file KisColorSamplerPreviewPreview.cpp.

    : QLabel(parent)
{
}

Member Function Documentation

paintEvent()

void KisColorSamplerPreviewPreview::paintEvent ( QPaintEvent * e )

override

Definition at line 44 of file KisColorSamplerPreviewPreview.cpp.

{
    Q_UNUSED(e);
 
 
    QPainter painter(this);
    painter.save();
 
    painter.setRenderHint(QPainter::Antialiasing);
    painter.setPen(Qt::transparent);
 
 
    QPainterPath edge;
 
    QRect viewRect = rect();
    viewRect.adjust(m_horizontalWidgetMargins, 0, -m_horizontalWidgetMargins, 0);
 
 
    QRect edgeRect = viewRect;
    QRect edgeRectSmaller = kisGrowRect(viewRect, -1);
 
 
    edge.addRoundedRect(edgeRect, m_roundingMargin, m_roundingMargin);
 
    QColor outsideColor = palette().base().color();
    painter.setBrush(outsideColor);
 
    painter.fillPath(edge, outsideColor);
 
 
    int maxWidth = viewRect.width();
    int thicknessPixels = m_thickness*m_diameter;
    int innerWidth = m_diameter - 2*thicknessPixels;
 
    int outsideWidths = maxWidth - innerWidth - 2*thicknessPixels;
    int outsideWidth = outsideWidths/2;
 
    // if there are any inaccuracies, no worries, it doesn't have to be exact
 
    QRect leftSide = QRect(QPoint(), QPoint(thicknessPixels, viewRect.height()));
    leftSide.translate(viewRect.topLeft());
    QRect rightSide = leftSide;
    leftSide.translate(outsideWidth, 0);
    rightSide.translate(maxWidth - outsideWidth - thicknessPixels, 0);
 
    QRect leftBottom = QRect(QPoint(leftSide.left(), leftSide.top() + leftSide.height()/2), QPoint(leftSide.bottomRight()));
    QRect leftTop = QRect(leftSide.topLeft(), QPoint(leftSide.right(), leftSide.top() + leftSide.height()/2));
 
    QRect rightBottom = QRect(QPoint(rightSide.left(), rightSide.top() + rightSide.height()/2), QPoint(rightSide.bottomRight()));
    QRect rightTop = QRect(rightSide.topLeft(), QPoint(rightSide.right(), rightSide.top() + rightSide.height()/2));
 
    painter.setBrush(m_sampledColorTop);
    painter.fillRect(leftTop, m_sampledColorTop);
    painter.fillRect(leftBottom, m_sampledColorBottom);
 
    painter.fillRect(rightTop, m_sampledColorTop);
    painter.fillRect(rightBottom, m_sampledColorBottom);
 
    painter.setBrush(Qt::transparent);
    if (m_outlineEnabled) {
        painter.setPen(QPen(m_outlineColor, 2));
        painter.drawRect(leftSide.adjusted(0, -m_verticalOutlineMargins, 0, m_verticalOutlineMargins));
        painter.drawRect(rightSide.adjusted(0, -m_verticalOutlineMargins, 0, m_verticalOutlineMargins));
    }
 
    QColor crossColor = Qt::white;
    crossColor.setAlphaF(0.4);
    painter.setPen(crossColor);
 
    QPointF center = viewRect.topLeft() + QPoint(viewRect.width()/2, viewRect.height()/2);
    painter.drawLine(center - QPointF(m_crossLength, 0), center - QPointF(m_crossSpace, 0));
    painter.drawLine(center + QPointF(m_crossLength, 0), center + QPointF(m_crossSpace, 0));
 
    painter.drawLine(center - QPointF(0, m_crossLength), center - QPointF(0, m_crossSpace));
    painter.drawLine(center + QPointF(0, m_crossLength), center + QPointF(0, m_crossSpace));
 
 
    edge.clear();
    QColor darkTransparent = palette().dark().color();
    darkTransparent = KisPaintingTweaks::blendColors(outsideColor, darkTransparent, 0.6);
 
    painter.setPen(QPen(darkTransparent, 2));
    edge.addRoundedRect(edgeRectSmaller, m_roundingMargin, m_roundingMargin);
    painter.drawPath(edge);
 
    painter.restore();
 
}

References KisPaintingTweaks::blendColors(), kisGrowRect(), m_crossLength, m_crossSpace, m_diameter, m_horizontalWidgetMargins, m_outlineColor, m_outlineEnabled, m_roundingMargin, m_sampledColorBottom, m_sampledColorTop, m_thickness, m_verticalOutlineMargins, and palette.

setDiameter()

void KisColorSamplerPreviewPreview::setDiameter

(

int

diameter

)

Definition at line 26 of file KisColorSamplerPreviewPreview.cpp.

{
    m_diameter = diameter;
    repaint();
}

References m_diameter.

setOutlineEnabled()

void KisColorSamplerPreviewPreview::setOutlineEnabled

(

bool

enabled

)

Definition at line 32 of file KisColorSamplerPreviewPreview.cpp.

{
    m_outlineEnabled = enabled;
    repaint();
}

References m_outlineEnabled.

setThickness()

void KisColorSamplerPreviewPreview::setThickness

(

qreal

thickness

)

Definition at line 38 of file KisColorSamplerPreviewPreview.cpp.

{
    m_thickness = thickness;
    repaint();
}

References m_thickness.

Member Data Documentation

m_crossLength

constexpr qreal KisColorSamplerPreviewPreview::m_crossLength {8.0}

staticconstexprprivate

Definition at line 51 of file KisColorSamplerPreviewPreview.h.

{8.0};

m_crossSpace

constexpr qreal KisColorSamplerPreviewPreview::m_crossSpace {2.0}

staticconstexprprivate

Definition at line 52 of file KisColorSamplerPreviewPreview.h.

{2.0};

m_diameter

int KisColorSamplerPreviewPreview::m_diameter {200}

private

Definition at line 39 of file KisColorSamplerPreviewPreview.h.

{200};

m_horizontalWidgetMargins

constexpr int KisColorSamplerPreviewPreview::m_horizontalWidgetMargins {20}

staticconstexprprivate

Definition at line 55 of file KisColorSamplerPreviewPreview.h.

{20};

m_outlineColor

QColor KisColorSamplerPreviewPreview::m_outlineColor {QColor::fromRgbF(0.5, 0.5, 0.5)}

private

Definition at line 46 of file KisColorSamplerPreviewPreview.h.

{QColor::fromRgbF(0.5, 0.5, 0.5)};

m_outlineEnabled

bool KisColorSamplerPreviewPreview::m_outlineEnabled {true}

private

Definition at line 41 of file KisColorSamplerPreviewPreview.h.

{true};

m_outlineThickness

constexpr qreal KisColorSamplerPreviewPreview::m_outlineThickness {1.0}

staticconstexprprivate

Definition at line 48 of file KisColorSamplerPreviewPreview.h.

{1.0};

m_roundingMargin

constexpr qreal KisColorSamplerPreviewPreview::m_roundingMargin {3}

staticconstexprprivate

Definition at line 49 of file KisColorSamplerPreviewPreview.h.

{3};

m_sampledColorBottom

QColor KisColorSamplerPreviewPreview::m_sampledColorBottom {QColor::fromRgb(67, 154, 120)}

private

Definition at line 45 of file KisColorSamplerPreviewPreview.h.

{QColor::fromRgb(67, 154, 120)};

m_sampledColorTop

QColor KisColorSamplerPreviewPreview::m_sampledColorTop {QColor::fromRgb(67, 183, 120)}

private

Definition at line 44 of file KisColorSamplerPreviewPreview.h.

{QColor::fromRgb(67, 183, 120)};

m_thickness

qreal KisColorSamplerPreviewPreview::m_thickness {0.1}

private

Definition at line 40 of file KisColorSamplerPreviewPreview.h.

{0.1};

m_verticalOutlineMargins

constexpr qreal KisColorSamplerPreviewPreview::m_verticalOutlineMargins {10.0}

staticconstexprprivate

Definition at line 50 of file KisColorSamplerPreviewPreview.h.

{10.0};

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The documentation for this class was generated from the following files:

• libs/ui/widgets/KisColorSamplerPreviewPreview.h
• libs/ui/widgets/KisColorSamplerPreviewPreview.cpp