Set SVGPanel oversampling on every frame

include/app.hpp

@@ -155,7 +155,7 @@ struct Panel : TransparentWidget {
 };
 
 struct SVGPanel : FramebufferWidget {
-	SVGPanel();
+	void step() override;
 	void setBackground(std::shared_ptr<SVG> svg);
 };
 

src/app/SVGPanel.cpp

@@ -17,9 +17,11 @@ struct PanelBorder : TransparentWidget {
 };
 
 
-SVGPanel::SVGPanel() {
-	if (nearf(gPixelRatio, 1.0))
+void SVGPanel::step() {
+	if (nearf(gPixelRatio, 1.0)) {
 		oversample = 2.0;
+	}
+	FramebufferWidget::step();
 }
 
 void SVGPanel::setBackground(std::shared_ptr<SVG> svg) {

src/gui.cpp

@@ -218,9 +218,6 @@ void errorCallback(int error, const char *description) {
 void renderGui() {
 	int width, height;
 	glfwGetFramebufferSize(gWindow, &width, &height);
-	int windowWidth, windowHeight;
-	glfwGetWindowSize(gWindow, &windowWidth, &windowHeight);
-	gPixelRatio = (float)width / windowWidth;
 
 	// Update and render
 	nvgBeginFrame(gVg, width, height, gPixelRatio);
@@ -341,6 +338,13 @@ void guiRun() {
 		}
 		glfwSetWindowTitle(gWindow, title.c_str());
 
+		// Get framebuffer size
+		int width, height;
+		glfwGetFramebufferSize(gWindow, &width, &height);
+		int windowWidth, windowHeight;
+		glfwGetWindowSize(gWindow, &windowWidth, &windowHeight);
+		gPixelRatio = (float)width / windowWidth;
+
 		// Step scene
 		gScene->step();