From e0def0d91a10e5291b2c7b888ee1a9a353fb907c Mon Sep 17 00:00:00 2001
From: hodasemi <michaelh.05@t-online.de>
Date: Sun, 24 Mar 2024 19:19:08 +0100
Subject: [PATCH] Start ui element at runtime creator

---
 src/element_creator/mod.rs | 111 +++++++++++++++++++++++++++++++++++++
 src/lib.rs                 |   1 +
 src/prelude.rs             |   1 +
 3 files changed, 113 insertions(+)
 create mode 100644 src/element_creator/mod.rs

diff --git a/src/element_creator/mod.rs b/src/element_creator/mod.rs
new file mode 100644
index 0000000..4522cdb
--- /dev/null
+++ b/src/element_creator/mod.rs
@@ -0,0 +1,111 @@
+use std::{
+    collections::HashMap,
+    sync::{Arc, Mutex},
+};
+
+use anyhow::Result;
+use utilities::color::Color;
+use vulkan_rs::prelude::*;
+
+#[derive(Debug, Clone, Copy)]
+pub enum ElementBorderThickness {
+    Pixel(u32),
+    Ratio(f32),
+}
+
+impl From<u32> for ElementBorderThickness {
+    fn from(value: u32) -> Self {
+        Self::Pixel(value)
+    }
+}
+
+impl From<f32> for ElementBorderThickness {
+    fn from(value: f32) -> Self {
+        Self::Ratio(value)
+    }
+}
+
+#[derive(Debug, Clone, Copy)]
+pub struct ElementDescriptor {
+    pub background_color: Color,
+    pub border_color: Color,
+
+    pub border_thickness: ElementBorderThickness,
+}
+
+impl ElementDescriptor {
+    pub fn new(
+        background_color: impl Into<Color>,
+        border_color: impl Into<Color>,
+        border_thickness: impl Into<ElementBorderThickness>,
+    ) -> Self {
+        Self {
+            background_color: background_color.into(),
+            border_color: border_color.into(),
+            border_thickness: border_thickness.into(),
+        }
+    }
+}
+
+#[derive(Debug, Hash, Clone, Copy, PartialEq, Eq)]
+struct ElementDefinition {
+    width: u32,
+    height: u32,
+
+    background_color: Color,
+    border_color: Color,
+    border_thickness: u32,
+}
+
+pub struct ElementCreator {
+    device: Arc<Device>,
+    queue: Arc<Mutex<Queue>>,
+
+    elements: HashMap<ElementDefinition, Arc<Image>>,
+}
+
+impl ElementCreator {
+    pub fn new(device: Arc<Device>, queue: Arc<Mutex<Queue>>) -> Self {
+        Self {
+            device,
+            queue,
+            elements: HashMap::new(),
+        }
+    }
+
+    pub fn get(
+        &mut self,
+        width: u32,
+        height: u32,
+        descriptor: ElementDescriptor,
+    ) -> Result<Arc<Image>> {
+        let definition = ElementDefinition {
+            width,
+            height,
+
+            background_color: descriptor.background_color,
+            border_color: descriptor.border_color,
+
+            border_thickness: match descriptor.border_thickness {
+                ElementBorderThickness::Pixel(pixel) => pixel,
+                ElementBorderThickness::Ratio(ratio) => {
+                    (width.min(height) as f32 * ratio).round() as u32
+                }
+            },
+        };
+
+        match self.elements.get(&definition) {
+            Some(element) => Ok(element.clone()),
+            None => {
+                let element = self.create_element(definition)?;
+                self.elements.insert(definition, element.clone());
+
+                Ok(element)
+            }
+        }
+    }
+
+    fn create_element(&self, definition: ElementDefinition) -> Result<Arc<Image>> {
+        todo!()
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index 869e6be..18124ca 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -9,6 +9,7 @@ pub mod tab_control;
 
 mod context_interface;
 mod controller_button;
+mod element_creator;
 mod guidirection;
 mod mousebutton;
 pub mod prelude;
diff --git a/src/prelude.rs b/src/prelude.rs
index 6334377..288a3b5 100644
--- a/src/prelude.rs
+++ b/src/prelude.rs
@@ -1,6 +1,7 @@
 pub use super::builder::{builder::GuiBuilder, snippet::GuiSnippet};
 pub use super::context_interface::{ContextInterface, TargetMode, Unfold};
 pub use super::controller_button::ControllerButton;
+pub use super::element_creator::*;
 pub use super::elements::prelude::*;
 pub use super::guidirection::GuiDirection;
 pub use super::guihandler::prelude::*;