Add function to get iOS insets

Author: JoelOtter

src/core/include/growl/core/api/graphics_api.h

@@ -15,6 +15,7 @@ class Shader;
 class ShaderPack;
 class Texture;
 class TextureAtlas;
+struct WindowSafeAreaInsets;
 
 class GraphicsAPI {
 
@@ -47,6 +48,8 @@ class GraphicsAPI {
 	createShader(const std::string& fragment_src) = 0;
 	virtual Result<std::unique_ptr<Shader>>
 	createShader(const ShaderPack& shader_pack) = 0;
+
+	virtual WindowSafeAreaInsets getSafeAreaInsets() = 0;
 };
 
 } // namespace Growl

src/core/include/growl/core/graphics/batch.h

@@ -23,6 +23,9 @@ class Batch {
 	Batch& operator=(Batch&&) = default;
 
 	virtual void clear(float r, float g, float b) = 0;
+	virtual void clear(Color color) {
+		clear(color.r, color.g, color.b);
+	}
 	virtual void begin() = 0;
 	virtual void end() = 0;
 

src/core/include/growl/core/graphics/window.h

@@ -3,11 +3,21 @@
 #include "growl/core/error.h"
 namespace Growl {
 
+struct WindowSafeAreaInsets {
+	float top;
+	float bottom;
+	float left;
+	float right;
+};
+
 class Window {
 public:
 	virtual ~Window() = default;
-	virtual void flip() {};
-	virtual void getSize(int* w, int* h) {};
+	virtual void flip() {}
+	virtual void getSize(int* w, int* h) {}
+	virtual WindowSafeAreaInsets getSafeAreaInsets() {
+		return WindowSafeAreaInsets{0, 0, 0, 0};
+	}
 
 	virtual void* getMetalLayer() {
 		return nullptr;

src/plugins/ios/src/ios_window.h

@@ -12,6 +12,8 @@ class IOSWindow final : public Window {
 
 	void* getMetalLayer() override;
 
+	virtual WindowSafeAreaInsets getSafeAreaInsets() override;
+
 private:
 	UIWindow* native;
 };

src/plugins/ios/src/ios_window.mm

@@ -1,7 +1,15 @@
 #include "ios_window.h"
 
 using Growl::IOSWindow;
+using Growl::WindowSafeAreaInsets;
 
 void* IOSWindow::getMetalLayer() {
 	return native.rootViewController.view.layer;
 }
+
+WindowSafeAreaInsets IOSWindow::getSafeAreaInsets() {
+	auto insets = native.safeAreaInsets;
+	return WindowSafeAreaInsets{
+		static_cast<float>(insets.top), static_cast<float>(insets.bottom),
+		static_cast<float>(insets.left), static_cast<float>(insets.right)};
+}

src/plugins/metal/src/metal_graphics.h

@@ -56,6 +56,10 @@ class MetalGraphicsAPI : public GraphicsAPIInternal {
 		return window.get();
 	}
 
+	WindowSafeAreaInsets getSafeAreaInsets() override {
+		return getWindow()->getSafeAreaInsets();
+	}
+
 	id<MTLCommandBuffer> getCommandBuffer() {
 		return command_buffer;
 	}

src/plugins/opengl/src/opengl_graphics.h

@@ -57,6 +57,10 @@ class OpenGLGraphicsAPI : public GraphicsAPIInternal {
 	Result<std::unique_ptr<Shader>>
 	createShader(const ShaderPack& shader_pack) override;
 
+	WindowSafeAreaInsets getSafeAreaInsets() override {
+		return getWindow()->getSafeAreaInsets();
+	}
+
 	Window* getWindow() override {
 		return window.get();
 	}