demo.cpp

#include <nitro.hpp>

using namespace nitro;

class DemoAnimation: public Animation {
	Node* node;
public:
	DemoAnimation(Node* node): node(node) {}
	bool apply() override {
		float t = (time % 2000) / 1000.f;
		float x = std::sin(t * 3.14159f);
		node->set_scale_x(.9f + x * .1f);
		node->request_redraw();
		return false;
	}
};

class Background: public Bin {
	Color color = Color(.9f, .9f, .9f);
public:
	void draw(const DrawContext& draw_context) override {
		CanvasElement(0, 0, get_width(), get_height(), color, Texture(), Texture(), Texture()).draw(draw_context.projection);
		Bin::draw(draw_context);
	}
};

class Div: public Node {
	Shadow shadow {Color(0, 0, 0) * .7f, 12.f, 24.f};
	RoundedRectangle rect {Color(.5f, .1f, .1f), 12.f};
	RoundedBorder border {1.f, Color(0, 0, 0) * .5f, 12.f};
	InsetShadow inset_shadow {Color(1, 1, 1) * .2f, 12.f, 8.f};
public:
	void layout() override {
		const float width = get_width();
		const float height = get_height();
		shadow.set_location(0.f, 0.f);
		shadow.set_size(width, height);
		rect.set_location(0.f, 0.f);
		rect.set_size(width, height);
		border.set_location(0.f, 0.f);
		border.set_size(width, height);
		inset_shadow.set_location(1.f, 1.f);
		inset_shadow.set_size(width - 2.f, height - 2.f);
	}
	Node* get_child(size_t index) override {
		//return index == 0 ? &shadow : nullptr;
		Node* children[] = {&shadow, &rect, &border, &inset_shadow};
		return index < 4 ? children[index] : nullptr;
	}
};

int main() {
	Window window(800, 500, "demo");
	
	Background background;
	window.set_child(&background);

	Padding padding(20.f);
	background.set_child(&padding);

	FontSet font("Monospace", 24.f);
	Text text(&font, "Eigenbezeichnung اَللُّغَةُ اَلْعَرَبِيَّة", Color(0, 0, 0) * .7f);

	RoundedBorder rect(2.f, Color(0, 0, 0) * .8f, 30.f);
	::Div div;
	
	padding.set_child(&div);
	
	DemoAnimation animation(&div);
	Animation::add_animation(&animation);

	window.run();
}