mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-19 12:30:32 +00:00
412 lines
13 KiB
C#
412 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using Cosmos.HAL;
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using System.Drawing;
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using static Cosmos.HAL.VGADriver;
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namespace Cosmos.System.Graphics
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{
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/// <summary>
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/// VGACanvas class. Used to control screen.
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/// </summary>
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public class VGACanvas : Canvas
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{
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/// <summary>
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/// Private boolean whether VGA graphics mode is enabled or not
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/// </summary>
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bool _Enabled;
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/// <summary>
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/// The HAL VGA driver
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/// </summary>
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private readonly VGADriver _VGADriver;
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/// <summary>
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/// VGA graphics mode Canvas constructor - see Canvas.cs
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/// </summary>
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/// <param name="aMode"></param>
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public VGACanvas(Mode aMode) : base()
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{
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Global.mDebugger.Send("Creating VGACanvas with mode");
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_VGADriver = new VGADriver();
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_VGADriver.SetGraphicsMode(ModeToScreenSize(aMode), (VGADriver.ColorDepth)(int)aMode.ColorDepth);
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Mode = aMode;
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Enabled = true;
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}
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/// <summary>
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/// Creates a VGA graphics mode with the default mode
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/// </summary>
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public VGACanvas() : base()
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{
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Enabled = true;
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Mode = DefaultGraphicMode;
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Global.mDebugger.Send("Creating VGACanvas with standard mode");
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_VGADriver = new VGADriver();
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_VGADriver.SetGraphicsMode(ModeToScreenSize(DefaultGraphicMode), (VGADriver.ColorDepth)(int)DefaultGraphicMode.ColorDepth);
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}
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/// <summary>
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/// Gets or sets the VGA graphics mode
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/// </summary>
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public override Mode Mode { get; set; }
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/// <summary>
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/// Clears the screen of all pixels
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/// </summary>
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/// <param name="aColor"></param>
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public override void Clear(Color aColor)
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{
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var paletteIndex = _VGADriver.GetClosestColorInPalette(aColor);
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_VGADriver.DrawFilledRectangle(0,0, _VGADriver.PixelWidth, _VGADriver.PixelHeight, paletteIndex);
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}
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/// <summary>
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/// Disables VGA graphics mode, parent method returns to 80x25 text mode
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/// </summary>
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public override void Disable()
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{
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if (Enabled)
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{
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Enabled = false;
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}
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}
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/// <summary>
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/// Draws an array of colors
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/// </summary>
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/// <param name="aColors"></param>
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/// <param name="aPoint"></param>
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/// <param name="aWidth"></param>
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/// <param name="aHeight"></param>
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public override void DrawArray(Color[] aColors, Point aPoint, int aWidth, int aHeight)
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{
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base.DrawArray(aColors, aPoint, aWidth, aHeight);
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}
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/// <summary>
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/// Draws an array of colors, specifiying X and Y coords
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/// </summary>
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/// <param name="aColors"></param>
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/// <param name="aX"></param>
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/// <param name="aY"></param>
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/// <param name="aWidth"></param>
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/// <param name="aHeight"></param>
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public override void DrawArray(Color[] aColors, int aX, int aY, int aWidth, int aHeight)
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{
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throw new NotImplementedException();
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}
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/// <summary>
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/// Draws a circle
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aXCenter"></param>
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/// <param name="aYCenter"></param>
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/// <param name="aRadius"></param>
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public override void DrawCircle(Pen aPen, int aXCenter, int aYCenter, int aRadius)
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{
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base.DrawCircle(aPen, aXCenter, aYCenter, aRadius);
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}
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/// <summary>
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/// Draws a circle
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aPoint"></param>
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/// <param name="aRadius"></param>
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public override void DrawCircle(Pen aPen, Point aPoint, int aRadius)
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{
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base.DrawCircle(aPen, aPoint, aRadius);
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}
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/// <summary>
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/// Draws an ellipse
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aXCenter"></param>
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/// <param name="aYCenter"></param>
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/// <param name="aXRadius"></param>
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/// <param name="aYRadius"></param>
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public override void DrawEllipse(Pen aPen, int aXCenter, int aYCenter, int aXRadius, int aYRadius)
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{
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base.DrawEllipse(aPen, aXCenter, aYCenter, aXRadius, aYRadius);
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}
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/// <summary>
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/// Draws an ellipse
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aPoint"></param>
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/// <param name="aXRadius"></param>
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/// <param name="aYRadius"></param>
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public override void DrawEllipse(Pen aPen, Point aPoint, int aXRadius, int aYRadius)
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{
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base.DrawEllipse(aPen, aPoint, aXRadius, aYRadius);
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}
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/// <summary>
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/// Draws a filled circle
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aX0"></param>
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/// <param name="aY0"></param>
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/// <param name="aRadius"></param>
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public override void DrawFilledCircle(Pen aPen, int aX0, int aY0, int aRadius)
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{
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base.DrawFilledCircle(aPen, aX0, aY0, aRadius);
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}
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/// <summary>
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/// Draws a filled circle
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aPoint"></param>
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/// <param name="aRadius"></param>
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public override void DrawFilledCircle(Pen aPen, Point aPoint, int aRadius)
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{
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base.DrawFilledCircle(aPen, aPoint, aRadius);
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}
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/// <summary>
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/// Draws a filled ellipse
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aPoint"></param>
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/// <param name="aHeight"></param>
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/// <param name="aWidth"></param>
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public override void DrawFilledEllipse(Pen aPen, Point aPoint, int aHeight, int aWidth)
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{
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base.DrawFilledEllipse(aPen, aPoint, aHeight, aWidth);
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}
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/// <summary>
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/// Draws a filled ellipse
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aX"></param>
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/// <param name="aY"></param>
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/// <param name="aHeight"></param>
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/// <param name="aWidth"></param>
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public override void DrawFilledEllipse(Pen aPen, int aX, int aY, int aHeight, int aWidth)
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{
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base.DrawFilledEllipse(aPen, aX, aY, aHeight, aWidth);
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}
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/// <summary>
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/// Draws a filled rectangle
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aPoint"></param>
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/// <param name="aWidth"></param>
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/// <param name="aHeight"></param>
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public override void DrawFilledRectangle(Pen aPen, Point aPoint, int aWidth, int aHeight)
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{
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DrawFilledRectangle(aPen, aPoint.X, aPoint.Y, aWidth, aHeight);
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}
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/// <summary>
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/// Draws a filled rectangle
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aXStart"></param>
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/// <param name="aYStart"></param>
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/// <param name="aWidth"></param>
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/// <param name="aHeight"></param>
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public override void DrawFilledRectangle(Pen aPen, int aXStart, int aYStart, int aWidth, int aHeight)
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{
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_VGADriver.DrawFilledRectangle(aXStart, aYStart, aWidth, aHeight, _VGADriver.GetClosestColorInPalette(aPen.Color));
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}
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/// <summary>
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/// Draws a line (in the sand?)
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aX1"></param>
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/// <param name="aY1"></param>
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/// <param name="aX2"></param>
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/// <param name="aY2"></param>
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public override void DrawLine(Pen aPen, int aX1, int aY1, int aX2, int aY2)
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{
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base.DrawLine(aPen, aX1, aY1, aX2, aY2);
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}
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/// <summary>
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/// Draws a point
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aX"></param>
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/// <param name="aY"></param>
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public override void DrawPoint(Pen aPen, int aX, int aY)
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{
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_VGADriver.SetPixel((uint)aX, (uint)aY, aPen.Color);
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}
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/// <summary>
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/// Draws a point
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/// </summary>
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/// <param name="aColor"></param>
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/// <param name="aX"></param>
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/// <param name="aY"></param>
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public void DrawPoint(uint aColor, int aX, int aY)
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{
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_VGADriver.SetPixel((uint)aX, (uint)aY, aColor);
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}
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/// <summary>
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/// Draws a point
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aX"></param>
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/// <param name="aY"></param>
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public override void DrawPoint(Pen aPen, float aX, float aY)
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{
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throw new NotImplementedException();
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}
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/// <summary>
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/// Draws a polygon
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aPoints"></param>
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public override void DrawPolygon(Pen aPen, params Point[] aPoints)
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{
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base.DrawPolygon(aPen, aPoints);
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}
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/// <summary>
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/// Draws a rectangle
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aPoint"></param>
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/// <param name="aWidth"></param>
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/// <param name="aHeight"></param>
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public override void DrawRectangle(Pen aPen, Point aPoint, int aWidth, int aHeight)
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{
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base.DrawRectangle(aPen, aPoint, aWidth, aHeight);
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}
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/// <summary>
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/// Draws a rectangle
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aX"></param>
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/// <param name="aY"></param>
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/// <param name="aWidth"></param>
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/// <param name="aHeight"></param>
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public override void DrawRectangle(Pen aPen, int aX, int aY, int aWidth, int aHeight)
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{
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base.DrawRectangle(aPen, aX, aY, aWidth, aHeight);
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}
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/// <summary>
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/// Draws a square
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aPoint"></param>
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/// <param name="aSize"></param>
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public override void DrawSquare(Pen aPen, Point aPoint, int aSize)
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{
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base.DrawSquare(aPen, aPoint, aSize);
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}
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/// <summary>
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/// Draws a square
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aX"></param>
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/// <param name="aY"></param>
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/// <param name="aSize"></param>
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public override void DrawSquare(Pen aPen, int aX, int aY, int aSize)
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{
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base.DrawSquare(aPen, aX, aY, aSize);
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}
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/// <summary>
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/// Draws a triangle
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aPoint0"></param>
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/// <param name="aPoint1"></param>
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/// <param name="aPoint2"></param>
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public override void DrawTriangle(Pen aPen, Point aPoint0, Point aPoint1, Point aPoint2)
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{
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base.DrawTriangle(aPen, aPoint0, aPoint1, aPoint2);
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}
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/// <summary>
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/// Draws a triangle
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/// </summary>
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/// <param name="aPen"></param>
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/// <param name="aV1x"></param>
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/// <param name="aV1y"></param>
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/// <param name="aV2x"></param>
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/// <param name="aV2y"></param>
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/// <param name="aV3x"></param>
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/// <param name="aV3y"></param>
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public override void DrawTriangle(Pen aPen, int aV1x, int aV1y, int aV2x, int aV2y, int aV3x, int aV3y)
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{
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base.DrawTriangle(aPen, aV1x, aV1y, aV2x, aV2y, aV3x, aV3y);
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}
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/// <summary>
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/// List of available resolutions
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/// </summary>
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private static readonly List<Mode> _AvailableModes = new List<Mode>
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{
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new Mode(640, 480, ColorDepth.ColorDepth4),
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new Mode(720, 480, ColorDepth.ColorDepth4),
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new Mode(320, 200, ColorDepth.ColorDepth8)
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};
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public override List<Mode> AvailableModes
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{
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get
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{
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return _AvailableModes;
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}
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}
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/// <summary>
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/// Retrieves the RGB value of a specified pixel
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/// </summary>
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/// <param name="aX"></param>
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/// <param name="aY"></param>
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/// <returns></returns>
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public override Color GetPointColor(int aX, int aY)
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{
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return Color.FromArgb((int)(_VGADriver.GetPixel((uint)aX, (uint)aY)));
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}
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/// <summary>
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/// The default graphics mode
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/// </summary>
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public override Mode DefaultGraphicMode => new Mode(640, 480, ColorDepth.ColorDepth4);
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/// <summary>
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/// Boolean value whether VGA is in graphics mode or not
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/// </summary>
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public bool Enabled { get => _Enabled; private set => _Enabled = value; }
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private ScreenSize ModeToScreenSize(Mode aMode)
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{
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if (aMode.Columns == 320 && aMode.Rows == 200)
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{
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return ScreenSize.Size320x200;
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}
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else if (aMode.Columns == 640 && aMode.Rows == 480)
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{
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return ScreenSize.Size640x480;
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}
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else if (aMode.Columns == 720 && aMode.Rows == 480)
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{
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return ScreenSize.Size720x480;
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}
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else
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{
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throw new NotImplementedException();
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}
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}
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}
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}
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