Improve corner annotation display.

src/src/Common/QGlobals.h

@@ -244,7 +244,7 @@ public:
 	static int getSize(QSize size) 
 	{
 		double ratio = size.width()*1.0 / desktop_width;
-		int real = font_size - int(25.0*pow(1 - ratio, 2)); 
+		int real = 20 - int(14.0*pow(1 - ratio, 2));
 		return real;
 	}
 	static int desktop_height;

src/src/Rendering/Core/MarginCornerAnnotation.cpp

@@ -0,0 +1,36 @@
+//
+// Created by Krad on 2022/8/26.
+//
+
+#include "MarginCornerAnnotation.h"
+
+#include <vtkObjectFactory.h>
+
+vtkStandardNewMacro(MarginCornerAnnotation);
+
+MarginCornerAnnotation::MarginCornerAnnotation():vtkCornerAnnotation() {
+
+}
+
+MarginCornerAnnotation::~MarginCornerAnnotation() {
+
+}
+
+void MarginCornerAnnotation::SetTextActorsPosition(int *vsize) {
+    this->TextActor[LowerLeft]->SetPosition  ( margins[0],             margins[3]             );
+    this->TextActor[LowerRight]->SetPosition ( vsize[0] - margins[3],  margins[2]             );
+    this->TextActor[UpperLeft]->SetPosition  ( margins[1],             vsize[1] - margins[0]  );
+    this->TextActor[UpperRight]->SetPosition ( vsize[0] - margins[2],  vsize[1] - margins[1]  );
+
+    this->TextActor[LowerEdge]->SetPosition  ( vsize[0]/2,             margins[3]             );
+    this->TextActor[UpperEdge]->SetPosition  ( vsize[0]/2,             vsize[1] - margins[1]  );
+    this->TextActor[LeftEdge]->SetPosition   ( margins[0],             vsize[1]/2             );
+    this->TextActor[RightEdge]->SetPosition  ( vsize[0] - margins[2],  vsize[1]/2             );
+}
+
+void MarginCornerAnnotation::SetMargin(int left, int top, int right, int bottom) {
+    margins[0]= left;
+    margins[1]= top;
+    margins[2]= right;
+    margins[3]= bottom;
+}

src/src/Rendering/Core/MarginCornerAnnotation.h

@@ -0,0 +1,29 @@
+//
+// Created by Krad on 2022/8/26.
+//
+
+#ifndef OMEGAV_MARGINCORNERANNOTATION_H
+#define OMEGAV_MARGINCORNERANNOTATION_H
+
+#include <vtkCornerAnnotation.h>
+class MarginCornerAnnotation: public vtkCornerAnnotation{
+public:
+    vtkTypeMacro(MarginCornerAnnotation,vtkCornerAnnotation);
+    static MarginCornerAnnotation *New();
+
+protected:
+    MarginCornerAnnotation();
+    ~MarginCornerAnnotation() override;
+    void SetTextActorsPosition(int vsize[2]) override ;
+    void SetMargin(int left, int top, int right, int bottom);
+    void SetMargin(int v){
+        SetMargin(v, v, v, v);
+    }
+private:
+    MarginCornerAnnotation(const MarginCornerAnnotation&) = delete;
+    void operator=(const MarginCornerAnnotation&) = delete;
+    int margins[4] = {8, 8, 8, 8};
+};
+
+
+#endif //OMEGAV_MARGINCORNERANNOTATION_H

src/src/Rendering/Viewer/DICOMImageViewer.cxx

@@ -19,13 +19,13 @@
 #include <vtkScalarBarActor.h>
 #include <vtkDiscretizableColorTransferFunction.h>
 #include <vtkPiecewiseFunction.h>
-#include <vtkCornerAnnotation.h>
 #include <vtkTextActor.h>
 #include <vtkTextProperty.h>
 
 #include "Rendering/Measure/MeasureStore.h"
 #include "IO/General/ColorMapReader.h"
 #include "Interaction/ActorDraggableInteractorStyle.h"
+#include "Rendering/Core/MarginCornerAnnotation.h"
 
 namespace {
     //扭转存在偏转的坐标轴
@@ -61,7 +61,7 @@ DICOMImageViewer::DICOMImageViewer()
           RenderWindow(nullptr), Renderer(nullptr), ImageStack(vtkImageStack::New()),
           ImageActor(vtkImageSlice::New()), ImageMapper(vtkImageSliceMapper::New()), FusionActor(nullptr),
           FusionMapper(nullptr), Interactor(nullptr), InteractorStyle(nullptr), OpacityActor(nullptr),
-          cornerAnnotation(vtkCornerAnnotation::New()), bar(nullptr),
+          cornerAnnotation(MarginCornerAnnotation::New()), bar(nullptr),
           SliceIJK(-1),SlicePlane(-1), FirstRender(1), Slice(0), loadedMeasureSlice(0),
           currentPresetIndex(1), Fusion(false), firstFusion(true), FusionOpacity(0.5), list(nullptr),
           measureStore(MeasureStore::Instance()),
@@ -74,13 +74,14 @@ DICOMImageViewer::DICOMImageViewer()
 
     vtkNew<vtkTextProperty> prop;
     prop->SetFontFamilyToArial();
-    prop->ShadowOn();
+//    prop->ShadowOn();
     this->cornerAnnotation->SetTextProperty(prop);
-    this->cornerAnnotation->GetTextProperty()->SetColor(1, 1, 0.5);
+    this->cornerAnnotation->GetTextProperty()->SetColor(0.0, 1, 1);
     // Annotate the image with window/level and mouse over pixel information
     cornerAnnotation->SetLinearFontScaleFactor(2);
     cornerAnnotation->SetNonlinearFontScaleFactor(1);
-    cornerAnnotation->SetMaximumFontSize(FontSizeHelper::font_size);
+    cornerAnnotation->SetMaximumFontSize(20);
+    cornerAnnotation->SetMinimumFontSize(8);
 
     vtkRenderWindow *renwin = vtkRenderWindow::New();
     DICOMImageViewer::SetRenderWindow(renwin);

src/src/UI/Widget/ImageView/dicomimageview.cpp

@@ -274,7 +274,6 @@ void DicomImageView::resizeEvent(QResizeEvent *event) {
     if (!mImageViewer) return;
     if (mImageViewer->GetvtkCornerAnnotation()) {
         mImageViewer->GetvtkCornerAnnotation()->SetMaximumFontSize(FontSizeHelper::getSize(frameGeometry().size()));
-
     }
 
     // force update ReferenceLine data
@@ -459,9 +458,9 @@ void DicomImageView::dispatchEvent(vtkObject *, unsigned long eid, void *callDat
 //Image render & operation about--------------------------------------------------------------------------------------
 void DicomImageView::render() {
     if (hasSeries()) {
-        if (mImageViewer->GetvtkCornerAnnotation()) {
-            mImageViewer->GetvtkCornerAnnotation()->SetMaximumFontSize(FontSizeHelper::getSize(frameGeometry().size()));
-        }
+//        if (mImageViewer->GetvtkCornerAnnotation()) {
+//            mImageViewer->GetvtkCornerAnnotation()->SetMaximumFontSize(FontSizeHelper::getSize(frameGeometry().size()));
+//        }
         mImageViewer->Render();
     }
 

src/src/UI/Window/QDicomViewer.cpp

@@ -272,6 +272,7 @@ void QDicomViewer::openDICOM(const std::string &dicomName, SeriesOpenMode openMo
 
     //必须首先重置成1个窗口的布局
     ui->viewContainer->resetLayoutToSingle();
+    //数据读取
     DicomLoader *helper = DicomLoader::GetInstance();
     helper->reset();
     //load image and tag