add 'region' image property

src/graphics/ui/elements/Image.cpp

@@ -55,7 +55,7 @@ void Image::draw(const DrawContext& pctx, const Assets& assets) {
         0,
         0,
         0,
-        UVRegion(),
+        region,
         false,
         true,
         calcColor()
@@ -76,3 +76,7 @@ const std::string& Image::getTexture() const {
 void Image::setTexture(const std::string& name) {
     texture = name;
 }
+
+void Image::setRegion(const UVRegion& region) {
+    this->region = region;
+}

src/graphics/ui/elements/Image.hpp

@@ -1,11 +1,13 @@
 #pragma once
 
 #include "UINode.hpp"
+#include "maths/UVRegion.hpp"
 
 namespace gui {
     class Image : public UINode {
     protected:
         std::string texture;
+        UVRegion region {};
         bool autoresize = false;
     public:
         Image(GUI& gui, std::string texture, glm::vec2 size=glm::vec2(32,32));
@@ -16,5 +18,6 @@ namespace gui {
         virtual bool isAutoResize() const;
         virtual const std::string& getTexture() const;
         virtual void setTexture(const std::string& name);
+        void setRegion(const UVRegion& region);
     };
 }