pixelsampler: added pixel sampler panel

When visible, this panel will show the current reference and display transformed color under the cursor of any viewer.
2020-04-01 16:57:10 +11:00
parent 76f260cb3a
commit 6ea6dd810e
25 changed files with 390 additions and 48 deletions
@@ -0,0 +1,55 @@
+#include "pixelsamplerwidget.h"
+
+#include <QVBoxLayout>
+
+PixelSamplerWidget::PixelSamplerWidget(QWidget *parent) :
+  QGroupBox(parent)
+{
+  QVBoxLayout* layout = new QVBoxLayout(this);
+
+  label_ = new QLabel();
+  layout->addWidget(label_);
+
+  setTitle(tr("Color"));
+
+  UpdateLabelInternal();
+}
+
+void PixelSamplerWidget::SetValues(const Color &color)
+{
+  color_ = color;
+  UpdateLabelInternal();
+}
+
+void PixelSamplerWidget::UpdateLabelInternal()
+{
+  label_->setText(tr("<html>"
+                     "<font color='#FF8080'>R: %1</font><br>"
+                     "<font color='#80FF80'>G: %2</font><br>"
+                     "<font color='#8080FF'>B: %3</font><br>"
+                     "A: %4"
+                     "</html>").arg(QString::number(color_.red()),
+                                    QString::number(color_.green()),
+                                    QString::number(color_.blue()),
+                                    QString::number(color_.alpha())));
+}
+
+ManagedPixelSamplerWidget::ManagedPixelSamplerWidget(QWidget *parent) :
+  QWidget(parent)
+{
+  QVBoxLayout* layout = new QVBoxLayout(this);
+
+  display_view_ = new PixelSamplerWidget();
+  display_view_->setTitle(tr("Display"));
+  layout->addWidget(display_view_);
+
+  reference_view_ = new PixelSamplerWidget();
+  reference_view_->setTitle(tr("Reference"));
+  layout->addWidget(reference_view_);
+}
+
+void ManagedPixelSamplerWidget::SetValues(const Color &reference, const Color &display)
+{
+  reference_view_->SetValues(reference);
+  display_view_->SetValues(display);
+}