图像等比例缩放

HPPA/AspectRatioLabel.cpp

@@ -0,0 +1,28 @@
+#include "stdafx.h"
+#include "AspectRatioLabel.h"
+
+AspectRatioLabel::AspectRatioLabel(QWidget* parent)
+	: QLabel(parent)
+{
+	setAlignment(Qt::AlignCenter);
+}
+
+void AspectRatioLabel::setOriginalPixmap(const QPixmap& pixmap)
+{
+	m_originalPixmap = pixmap;
+	updateScaledPixmap();
+}
+
+void AspectRatioLabel::resizeEvent(QResizeEvent* event)
+{
+	QLabel::resizeEvent(event);
+	updateScaledPixmap();
+}
+
+void AspectRatioLabel::updateScaledPixmap()
+{
+	if (m_originalPixmap.isNull())
+		return;
+
+	setPixmap(m_originalPixmap.scaled(size(), Qt::KeepAspectRatio, Qt::SmoothTransformation));
+}

HPPA/AspectRatioLabel.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <QLabel>
+#include <QPixmap>
+#include <QResizeEvent>
+
+class AspectRatioLabel : public QLabel
+{
+	Q_OBJECT
+
+public:
+	explicit AspectRatioLabel(QWidget* parent = nullptr);
+
+	void setOriginalPixmap(const QPixmap& pixmap);
+
+protected:
+	void resizeEvent(QResizeEvent* event) override;
+
+private:
+	void updateScaledPixmap();
+	QPixmap m_originalPixmap;
+};

HPPA/HPPA.cpp

@@ -486,7 +486,7 @@ sizePolicy1.setHeightForWidth(graphicsView_delete->sizePolicy().hasHeightForWidt
 	initControlTabwidget();
 	m_tabManager = new TabManager(ui.controlTabWidget, this);
 
-	ui.mDockWidgetSpectrometer->setWidget(tmp(ui.dockWidgetContents_4));
+	ui.mDockWidgetSpectrometer->setWidget(tmp(ui.controlContents));
 
 	//3D模型看板
 	ui.mDockWidgetSimulator->setTile(QString::fromLocal8Bit("3D模型"));
@@ -949,7 +949,21 @@ void HPPA::updateImagerPicture(const QString& actionName)
 		QPixmap pixmap(picPath);
 		if (!pixmap.isNull())
 		{
-			ui.imagerPictureLabel->setPixmap(pixmap);
+			QImage img = pixmap.toImage().convertToFormat(QImage::Format_ARGB32);
+			const int threshold = 220;
+			for (int y = 0; y < img.height(); ++y)
+			{
+				QRgb* line = reinterpret_cast<QRgb*>(img.scanLine(y));
+				for (int x = 0; x < img.width(); ++x)
+				{
+					if (qRed(line[x]) >= threshold && qGreen(line[x]) >= threshold && qBlue(line[x]) >= threshold)
+					{
+						line[x] = qRgba(qRed(line[x]), qGreen(line[x]), qBlue(line[x]), 0);
+					}
+				}
+			}
+			ui.imagerPictureLabel->setAttribute(Qt::WA_TranslucentBackground);
+			ui.imagerPictureLabel->setOriginalPixmap(QPixmap::fromImage(img));
 		}
 	}
 }

HPPA/HPPA.h

@@ -67,6 +67,8 @@
 #include "MapToolSpectral.h"
 #include "MapTools.h"
 
+#include "AspectRatioLabel.h"
+
 #define PI 3.1415926
 
 QT_CHARTS_USE_NAMESPACE//QChartView 使用 需要加宏， 否则无法使用

HPPA/HPPA.ui

@@ -251,9 +251,9 @@ QToolBar QToolButton:hover {
    <attribute name="dockWidgetArea">
     <number>2</number>
    </attribute>
-   <widget class="QWidget" name="dockWidgetContents_4">
+   <widget class="QWidget" name="controlContents">
     <property name="styleSheet">
-     <string notr="true">QWidget #dockWidgetContents_4
+     <string notr="true">QWidget #controlContents
 {
 	background-color: #0E1C4C;
 	
@@ -424,22 +424,13 @@ QSlider::handle:horizontal:pressed {
           <number>10</number>
          </property>
          <item row="0" column="0">
-          <widget class="QLabel" name="imagerPictureLabel">
+          <widget class="AspectRatioLabel" name="imagerPictureLabel">
            <property name="sizePolicy">
             <sizepolicy hsizetype="Ignored" vsizetype="Ignored">
              <horstretch>0</horstretch>
              <verstretch>0</verstretch>
             </sizepolicy>
            </property>
-           <property name="text">
-            <string/>
-           </property>
-           <property name="scaledContents">
-            <bool>true</bool>
-           </property>
-           <property name="alignment">
-            <set>Qt::AlignCenter</set>
-           </property>
           </widget>
          </item>
          <item row="1" column="0">
@@ -1173,6 +1164,11 @@ QPushButton:pressed
    <header>CustomDockWidgetBase.h</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>AspectRatioLabel</class>
+   <extends>QLabel</extends>
+   <header>AspectRatioLabel.h</header>
+  </customwidget>
  </customwidgets>
  <resources>
   <include location="HPPA.qrc"/>

HPPA/HPPA.vcxproj

@@ -106,6 +106,7 @@
   <ItemGroup>
     <ClCompile Include="aboutWindow.cpp" />
     <ClCompile Include="adjustTable.cpp" />
+    <ClCompile Include="AspectRatioLabel.cpp" />
     <ClCompile Include="CaptureCoordinator.cpp" />
     <ClCompile Include="Carousel.cpp" />
     <ClCompile Include="Corning410Imager.cpp" />
@@ -194,6 +195,7 @@
     <QtMoc Include="CustomDockWidgetBase.h" />
     <QtMoc Include="Carousel.h" />
     <QtMoc Include="imageControl.h" />
+    <QtMoc Include="AspectRatioLabel.h" />
     <ClInclude Include="imager_base.h" />
     <ClInclude Include="irisximeaimager.h" />
     <QtMoc Include="OneMotorControl.h" />

HPPA/HPPA.vcxproj.filters

@@ -190,6 +190,9 @@
     <ClCompile Include="MapTools.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="AspectRatioLabel.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <QtMoc Include="fileOperation.h">
@@ -306,6 +309,9 @@
     <QtMoc Include="MapTools.h">
       <Filter>Header Files</Filter>
     </QtMoc>
+    <QtMoc Include="AspectRatioLabel.h">
+      <Filter>Header Files</Filter>
+    </QtMoc>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="imageProcessor.h">

HPPA/about.ui

@@ -196,7 +196,7 @@ QPushButton:pressed
           <string/>
          </property>
          <property name="pixmap">
-          <pixmap>C:/Users/73505/.designer/backup/icon/all/png/Group 356_slices/Group 356.png</pixmap>
+          <pixmap>icon/all/png/Group 356_slices/Group 356@2x.png</pixmap>
          </property>
         </widget>
         <widget class="QWidget" name="widget_2" native="true">