mirror of
https://github.com/Stone-Red-Code/RemSox.git
synced 2026-09-04 09:06:23 +02:00
275 lines
11 KiB
C#
275 lines
11 KiB
C#
using Cosmos.Kernel.System.Graphics;
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using Cosmos.Kernel.System.Graphics.Fonts;
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using System.Drawing;
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namespace RemSox.UI.GUI.Rendering;
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public sealed class CanvasRenderSource : IRenderSource
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{
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private static readonly Dictionary<int, Canvas> windowCanvases = [];
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private static readonly Dictionary<int, Point> windowPositions = [];
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private static readonly Dictionary<int, int> windowZIndices = [];
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private static bool isDirty = true;
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private static Point lastPointerPosition = new(-1, -1);
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private static List<int> orderedWindowsCache = [];
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private static bool isZOrderDirty = true;
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private static readonly Lock renderLock = new();
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public void Render(IEnumerable<RenderCommand> commands)
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{
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lock (renderLock)
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{
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bool changed = false;
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foreach (RenderCommand command in commands)
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{
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changed = true;
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if (command.ElementType == "WindowClose")
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{
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_ = windowCanvases.Remove(command.WindowId);
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_ = windowPositions.Remove(command.WindowId);
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_ = windowZIndices.Remove(command.WindowId);
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isZOrderDirty = true;
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continue;
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}
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if (command.ElementType is "Window" or "WindowMove")
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{
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if (command.Properties.TryGetValue("ZIndex", out object? rawZIndex) && rawZIndex is int z)
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{
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windowZIndices[command.WindowId] = z;
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isZOrderDirty = true;
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}
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}
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if (command.ElementType == "Window")
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{
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Size size = command.Properties.TryGetValue("Size", out object? rawSize) && rawSize is Size windowSize
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? windowSize
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: new Size(160, 120);
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if (!windowCanvases.TryGetValue(command.WindowId, out Canvas? currentCanvas) ||
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currentCanvas.Mode.Width != size.Width ||
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currentCanvas.Mode.Height != size.Height)
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{
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windowCanvases[command.WindowId] = new Canvas(size.Width, size.Height);
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}
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}
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if (!windowCanvases.ContainsKey(command.WindowId))
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{
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windowCanvases[command.WindowId] = new Canvas(160, 120);
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}
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Canvas windowCanvas = windowCanvases[command.WindowId];
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if (command.ElementType == "Window")
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{
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RenderWindow(windowCanvas, command);
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windowPositions[command.WindowId] = command.Position;
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continue;
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}
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if (command.ElementType == "WindowMove")
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{
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windowPositions[command.WindowId] = command.Position;
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continue;
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}
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if (command.ElementType == "Circle")
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{
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RenderCircle(windowCanvas, command);
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}
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if (command.ElementType == "Rectangle")
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{
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RenderRectangle(windowCanvas, command);
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}
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if (command.ElementType == "Text")
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{
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RenderText(windowCanvas, command);
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}
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if (command.ElementType == "Line")
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{
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RenderLine(windowCanvas, command);
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}
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if (command.ElementType == "Button")
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{
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RenderButton(windowCanvas, command);
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}
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if (command.ElementType == "CheckBox")
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{
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RenderCheckBox(windowCanvas, command);
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}
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}
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if (changed)
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{
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isDirty = true;
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}
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}
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}
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public static void CompositeAndDisplay(Canvas screenCanvas, Point pointerPosition)
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{
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lock (renderLock)
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{
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if (!isDirty && pointerPosition == lastPointerPosition)
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{
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return;
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}
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if (isZOrderDirty)
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{
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orderedWindowsCache = windowPositions.Keys.OrderBy(id => windowZIndices.TryGetValue(id, out int z) ? z : 0).ToList();
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isZOrderDirty = false;
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}
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screenCanvas.Clear(Color.Black);
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foreach (int windowId in orderedWindowsCache)
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{
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if (windowPositions.TryGetValue(windowId, out Point position) && windowCanvases.TryGetValue(windowId, out Canvas? windowCanvas))
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{
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screenCanvas.DrawCanvas(windowCanvas, position.X, position.Y);
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}
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}
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screenCanvas.DrawFilledCircle(Color.White, pointerPosition.X, pointerPosition.Y, 5);
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screenCanvas.Display();
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lastPointerPosition = pointerPosition;
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isDirty = false;
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}
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}
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private static void RenderWindow(Canvas canvas, RenderCommand command)
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{
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Size size = command.Properties.TryGetValue("Size", out object? rawSize) && rawSize is Size windowSize
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? windowSize
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: new Size(160, 120);
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bool isFocused = command.Properties.TryGetValue("IsFocused", out object? rawFocused) && rawFocused is bool focused && focused;
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Color borderColor = isFocused ? Color.White : Color.DarkGray;
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Color bodyColor = Color.FromArgb(32, 32, 32);
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Color titleColor = isFocused ? Color.FromArgb(0, 120, 215) : Color.FromArgb(80, 80, 80);
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canvas.DrawFilledRectangle(bodyColor, 0, 0, size.Width, size.Height);
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canvas.DrawFilledRectangle(titleColor, 0, 0, size.Width, 18);
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canvas.DrawRectangle(borderColor, 0, 0, size.Width, size.Height);
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}
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private static void RenderCircle(Canvas canvas, RenderCommand command)
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{
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Color color = command.Properties.TryGetValue("Color", out object? rawColor) && rawColor is Color circleColor
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? circleColor
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: Color.White;
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int radius = command.Properties.TryGetValue("Radius", out object? rawRadius) && rawRadius is int circleRadius
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? circleRadius
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: 10;
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int centerX = command.Position.X + radius;
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int centerY = command.Position.Y + radius;
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canvas.DrawFilledCircle(color, centerX, centerY, radius);
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}
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private static void RenderRectangle(Canvas canvas, RenderCommand command)
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{
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Color color = command.Properties.TryGetValue("Color", out object? rawColor) && rawColor is Color rectColor
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? rectColor
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: Color.White;
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Size size = command.Properties.TryGetValue("Size", out object? rawSize) && rawSize is Size rectSize
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? rectSize
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: new Size(10, 10);
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bool isFilled = command.Properties.TryGetValue("IsFilled", out object? rawFilled) && rawFilled is bool filled && filled;
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if (isFilled)
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{
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canvas.DrawFilledRectangle(color, command.Position.X, command.Position.Y, size.Width, size.Height);
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}
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else
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{
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canvas.DrawRectangle(color, command.Position.X, command.Position.Y, size.Width, size.Height);
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}
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}
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private static void RenderText(Canvas canvas, RenderCommand command)
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{
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Color color = command.Properties.TryGetValue("Color", out object? rawColor) && rawColor is Color textColor
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? textColor
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: Color.White;
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string content = command.Properties.TryGetValue("Content", out object? rawContent) && rawContent is string textContent
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? textContent
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: string.Empty;
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if (!string.IsNullOrEmpty(content))
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{
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canvas.DrawString(content, PCScreenFont.DefaultFont, color, command.Position.X, command.Position.Y);
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}
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}
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private static void RenderLine(Canvas canvas, RenderCommand command)
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{
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Color color = command.Properties.TryGetValue("Color", out object? rawColor) && rawColor is Color lineColor
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? lineColor
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: Color.White;
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Point endPosition = command.Properties.TryGetValue("EndPosition", out object? rawEnd) && rawEnd is Point endPoint
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? endPoint
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: command.Position;
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canvas.DrawLine(color, command.Position.X, command.Position.Y, endPosition.X, endPosition.Y);
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}
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private static void RenderButton(Canvas canvas, RenderCommand command)
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{
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Color bgColor = command.Properties.TryGetValue("BackgroundColor", out object? rawBgColor) && rawBgColor is Color c1 ? c1 : Color.LightGray;
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Color textColor = command.Properties.TryGetValue("TextColor", out object? rawTextColor) && rawTextColor is Color c2 ? c2 : Color.Black;
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Size size = command.Properties.TryGetValue("Size", out object? rawSize) && rawSize is Size s ? s : new Size(60, 20);
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string text = command.Properties.TryGetValue("Text", out object? rawText) && rawText is string t ? t : string.Empty;
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canvas.DrawFilledRectangle(bgColor, command.Position.X, command.Position.Y, size.Width, size.Height);
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canvas.DrawRectangle(Color.DarkGray, command.Position.X, command.Position.Y, size.Width, size.Height);
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if (!string.IsNullOrEmpty(text))
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{
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int textX = command.Position.X + (size.Width / 2) - (text.Length * 8 / 2);
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int textY = command.Position.Y + (size.Height / 2) - 8;
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canvas.DrawString(text, PCScreenFont.DefaultFont, textColor, textX, textY);
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}
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}
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private static void RenderCheckBox(Canvas canvas, RenderCommand command)
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{
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Color bgColor = command.Properties.TryGetValue("BackgroundColor", out object? rawBgColor) && rawBgColor is Color c1 ? c1 : Color.LightGray;
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Color textColor = command.Properties.TryGetValue("TextColor", out object? rawTextColor) && rawTextColor is Color c2 ? c2 : Color.White;
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bool isChecked = command.Properties.TryGetValue("IsChecked", out object? rawChecked) && rawChecked is bool chk && chk;
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string text = command.Properties.TryGetValue("Text", out object? rawText) && rawText is string t ? t : string.Empty;
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int boxSize = 12;
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canvas.DrawFilledRectangle(bgColor, command.Position.X, command.Position.Y, boxSize, boxSize);
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canvas.DrawRectangle(Color.DarkGray, command.Position.X, command.Position.Y, boxSize, boxSize);
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if (isChecked)
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{
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canvas.DrawFilledRectangle(Color.Black, command.Position.X + 3, command.Position.Y + 3, boxSize - 6, boxSize - 6);
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}
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if (!string.IsNullOrEmpty(text))
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{
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canvas.DrawString(text, PCScreenFont.DefaultFont, textColor, command.Position.X + boxSize + 5, command.Position.Y - 2);
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}
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}
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} |