Implement pdf rendering (#5250)

* First PDF creation support

* Reimplement info box

* Set title and make overlay frame margins more unified

* Remove a style sheet that was never meant to be applied to Project Tree

* Update RiuDraggableOverlayFrame when changing content

* Default page layout in Preferences

* undo removal of elision

* Remove friend class assignment in cafCategoryMapper

* the required methods have been made public

* Fix up after review

* Remove spurious const on by-value return

* Fix compile errors on Linux

* Fix size adjustment of legends with plot resizing

Fwk/AppFwk/cafVizExtensions/cafCategoryLegend.cpp

@@ -30,6 +30,7 @@
 #include "cafInternalLegendRenderTools.h"
 
 #include <cmath>
+#include <QDebug>
 
 using namespace cvf;
 

Fwk/AppFwk/cafVizExtensions/cafCategoryMapper.h

@@ -38,13 +38,13 @@ public:
     void        majorTickValues(std::vector<double>* domainValues) const override;
     double      normalizedValue(double domainValue) const override;
     double      domainValue(double normalizedValue) const override;
+    size_t              categoryCount() const;
+
+    const cvf::String   textForCategoryIndex(size_t index) const;
+    int                 categoryIndexForCategory(double domainValue) const;
 
 private:
-    friend class CategoryLegend;
-    size_t              categoryCount() const;
-    const cvf::String   textForCategoryIndex(size_t index) const;
 
-    int                 categoryIndexForCategory(double domainValue) const;
     void                recomputeMaxTexCoord();
 
 private:

Fwk/AppFwk/cafVizExtensions/cafOverlayScalarMapperLegend.cpp

@@ -682,7 +682,7 @@ cvf::Vec2ui OverlayScalarMapperLegend::preferredSize()
     OverlayColorLegendLayoutInfo layout({200,200}); // Use default size
     layoutInfo(&layout);
 
-    float prefferredYSize =   2 * layout.margins.y() 
+    float preferredYSize =   2 * layout.margins.y() 
                             + layout.lineSpacing * this->titleStrings().size() 
                             + 1.5f * layout.lineSpacing * m_tickValues.size();
     
@@ -706,18 +706,17 @@ cvf::Vec2ui OverlayScalarMapperLegend::preferredSize()
         maxTickTextWidth = maxTickTextWidth <  textWidth ?  textWidth : maxTickTextWidth;
     }
 
-    float prefferredXSize = layout.tickEndX + layout.margins.x() + layout.tickTextLeadSpace + maxTickTextWidth;
+    float preferredXSize = layout.tickEndX + layout.margins.x() + layout.tickTextLeadSpace + maxTickTextWidth;
 
     for (const cvf::String& titleLine : titleStrings())
     {
         float titleWidth =  this->font()->textExtent(titleLine).x() + 2*layout.margins.x();
-        prefferredXSize = prefferredXSize < titleWidth ? titleWidth : prefferredXSize;
+        preferredXSize = preferredXSize < titleWidth ? titleWidth : preferredXSize;
     }
 
-    prefferredXSize = std::min(prefferredXSize, 400.0f);
-
-    return { (unsigned int)(std::ceil(prefferredXSize)), (unsigned int)(std::ceil(prefferredYSize)) };
+    preferredXSize = std::min(preferredXSize, 400.0f);
 
+    return { (unsigned int)(std::ceil(preferredXSize)), (unsigned int)(std::ceil(preferredYSize)) };
 }
 
 } // namespace cvf

Fwk/AppFwk/cafVizExtensions/cafTitledOverlayFrame.cpp

@@ -218,4 +218,4 @@ namespace caf {
     {
         return m_font.p();
     }
-}
+}