omni::ui::BrushPreview Class Reference

#include <BrushPreview.h>

Inheritance diagram for omni::ui::BrushPreview:

Collaboration diagram for omni::ui::BrushPreview:

Public Member Functions
	BrushPreview (QWidget *_parent=nullptr)
void	update (float _feather, float _opacity, bool _invert)

Protected Member Functions
void	paintEvent (QPaintEvent *event)
void	resizeEvent (QResizeEvent *event)

Private Attributes
BlendBrush	brush_
QImage	image_

Constructor & Destructor Documentation

BrushPreview::BrushPreview

(

QWidget *

_parent = nullptr

)

                                           :
  QWidget(_parent)
{
  update(brush_.feather(), brush_.opacity(), brush_.invert());
  setMinimumSize(64 / devicePixelRatio(), 64 / devicePixelRatio());
  setMaximumSize(128 / devicePixelRatio(), 128 / devicePixelRatio());
}

Member Function Documentation

void BrushPreview::paintEvent ( QPaintEvent *  event )

protected

{
  QPainter painter(this);

  painter.drawImage(0, 0,  image_);
}

void BrushPreview::resizeEvent ( QResizeEvent *  event )

protected

{
  update(brush_.feather(), brush_.opacity(), brush_.invert());
}

void BrushPreview::update	(	float	_feather,
		float	_opacity,
		bool	_invert
	)

{
  int _size = std::min(width(),height());
  brush_.setBrush(QVector2D(_size,_size), _feather, _opacity, _invert);
  image_ = brush_.buffer().toQImage();

  if (_invert) image_.invertPixels();

  QWidget::update();
}

Field Documentation

BlendBrush omni::ui::BrushPreview::brush_

private

QImage omni::ui::BrushPreview::image_

private

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

• src/app/BrushPreview.h
• src/app/BrushPreview.cpp