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Add status bar with color value

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This commit is contained in:
Dušan Poizl
2022-06-11 17:19:03 +02:00
parent f7e4e1874f
commit 9cd2ae14b3
7 changed files with 98 additions and 13 deletions
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imagescrollareagl.cpp
+29 -3
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@@ -75,6 +75,8 @@ ImageWidget::ImageWidget(Database *database, QWidget *parent) : QOpenGLWidget(pa
QCoreApplication::exit(-1);
}
});
setMouseTracking(true);
}
ImageWidget::~ImageWidget()
@@ -82,10 +84,12 @@ ImageWidget::~ImageWidget()
makeCurrent();
}
void ImageWidget::setImage(const RawImage *image, int index)
void ImageWidget::setImage(std::shared_ptr<RawImage> &image, int index)
{
if(image == nullptr)return;
m_rawImage = image;
m_imgWidth = image->width();
m_imgHeight = image->height();
m_currentImg = index;
@@ -100,7 +104,7 @@ void ImageWidget::setImage(const RawImage *image, int index)
m_image->setMinMagFilters(QOpenGLTexture::LinearMipMapLinear, QOpenGLTexture::Linear);
m_image->setWrapMode(QOpenGLTexture::ClampToEdge);
m_image->setBorderColor(0, 0, 0, 0);
m_image->setData(0, rawImageType.pixelFormat, rawImageType.dataType, image->data(), m_transferOptions.get());
m_image->setData(0, rawImageType.pixelFormat, rawImageType.dataType, (const void*)image->data(), m_transferOptions.get());
m_image->setLevelOfDetailRange(m_superpixel ? 1 : 0, m_image->mipMaxLevel());
m_image->generateMipMaps();
m_bwImg = rawImageType.bw;
@@ -437,6 +441,28 @@ void ImageWidget::mouseMoveEvent(QMouseEvent *event)
}
else
event->ignore();
if(m_rawImage)
{
float dx = m_dx;
float dy = m_dy;
if(width() > m_image->width()*m_scale)
dx = -width()*0.5f + m_image->width()*m_scale*0.5f;
if(height() > m_image->height()*m_scale)
dy = -height()*0.5f + m_image->height()*m_scale*0.5f;
QVector2D offset(dx, dy);
QVector2D pos = QVector2D(event->pos());
QVector2D pix = (pos + offset) / m_scale;
QVector3D rgb;
if(m_rawImage->pixel(pix.x(), pix.y(), rgb))
{
if(m_bwImg)
emit status(tr("L: %1").arg(rgb.x()));
else
emit status(tr("R: %1 G: %2 B: %3").arg(rgb.x()).arg(rgb.y()).arg(rgb.z()));
}
}
}
void ImageWidget::mouseReleaseEvent(QMouseEvent *event)
@@ -524,7 +550,7 @@ ImageScrollAreaGL::~ImageScrollAreaGL()
}
void ImageScrollAreaGL::setImage(RawImage *image, int index)
void ImageScrollAreaGL::setImage(std::shared_ptr<RawImage> image, int index)
{
m_imageWidget->setImage(image, index);
m_imgWidth = image->width();