Initial steps for icon buttons.

src/rendering/visual_elements/CMakeLists.txt

@@ -34,6 +34,8 @@ list(APPEND visual_elements_LIB_INCLUDES
     svg/elements/SvgShapeElements.cpp
     nodes/MaterialNode.h
     nodes/MaterialNode.cpp
+	nodes/ImageNode.h
+	nodes/ImageNode.cpp
     nodes/MeshNode.h
     nodes/MeshNode.cpp
     nodes/TextNode.h

src/rendering/visual_elements/svg/SvgShapeElement.cpp

@@ -130,7 +130,13 @@ void SvgShapeElement::setStrokeWidth(double width)
 {
     auto attr = std::make_unique<XmlAttribute>("stroke-width");
     attr->setValue(std::to_string(width));
+    addAttribute(std::move(attr));
+}
 
+void SvgShapeElement::setFillOpacity(float opacity)
+{
+    auto attr = std::make_unique<XmlAttribute>("fill-opacity");
+    attr->setValue(std::to_string(opacity));
     addAttribute(std::move(attr));
 }
 

src/rendering/visual_elements/svg/SvgShapeElement.h

@@ -17,6 +17,8 @@ public:
 
     void setNoFill();
 
+    void setFillOpacity(float opacity);
+
     void setStrokeWidth(double width);
 
     void setStrokeColor(const Color& stroke);

src/rendering/visual_elements/svg/SvgTextElement.cpp

@@ -10,6 +10,13 @@ SvgTextElement::SvgTextElement()
 
 }
 
+void SvgTextElement::setFillOpacity(float opacity)
+{
+	auto attr = std::make_unique<XmlAttribute>("fill-opacity");
+	attr->setValue(std::to_string(opacity));
+	addAttribute(std::move(attr));
+}
+
 void SvgTextElement::setLocation(const Point& loc)
 {
 	auto x = std::make_unique<XmlAttribute>("x");

src/rendering/visual_elements/svg/SvgTextElement.h

@@ -15,6 +15,8 @@ public:
 
 	void setFill(const Color& fill);
 
+	void setFillOpacity(float opacity);
+
 	void setFontFamily(const std::string& family);
 
 	void setFontSize(float size);