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桌面环境：增加环境变量APP并给Paint应用程序增加更多画图工具

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Leonmmcoset
2026-03-25 20:08:10 +08:00
parent a0eaf70304
commit a8ac9384c6
11 changed files with 519 additions and 3 deletions
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53
Gui/Apps/Paint/Tools/Eraser.cs Normal file
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using Cosmos.System;
using System.Drawing;
namespace CMLeonOS.Gui.Apps.Paint.Tools
{
internal class Eraser : Tool
{
public Eraser() : base("Eraser")
{
}
private bool joinLine;
private int joinX;
private int joinY;
internal override void Run(Paint paint, Window canvas, MouseState mouseState, int mouseX, int mouseY)
{
if (mouseState == MouseState.Left)
{
if (joinLine)
{
canvas.DrawLine(joinX, joinY, mouseX, mouseY, Color.White);
}
for (int y = -4; y <= 4; y++)
{
for (int x = -4; x <= 4; x++)
{
int drawX = mouseX + x;
int drawY = mouseY + y;
if (paint.IsInBounds(drawX, drawY))
{
canvas.DrawPoint(drawX, drawY, Color.White);
}
}
}
joinLine = true;
joinX = mouseX;
joinY = mouseY;
}
else
{
joinLine = false;
}
}
internal override void Deselected()
{
joinLine = false;
}
}
}

58
Gui/Apps/Paint/Tools/FilledCircleTool.cs Normal file
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using Cosmos.System;
using System;
namespace CMLeonOS.Gui.Apps.Paint.Tools
{
internal class FilledCircleTool : Tool
{
public FilledCircleTool() : base("Filled Circle")
{
}
private bool started;
private int startX;
private int startY;
internal override void Run(Paint paint, Window canvas, MouseState mouseState, int mouseX, int mouseY)
{
if (mouseState == MouseState.Left)
{
if (!started)
{
started = true;
startX = mouseX;
startY = mouseY;
}
}
else if (started)
{
int radiusX = Math.Abs(mouseX - startX);
int radiusY = Math.Abs(mouseY - startY);
int radius = Math.Max(radiusX, radiusY);
for (int y = -radius; y <= radius; y++)
{
for (int x = -radius; x <= radius; x++)
{
if ((x * x) + (y * y) <= radius * radius)
{
int drawX = startX + x;
int drawY = startY + y;
if (paint.IsInBounds(drawX, drawY))
{
canvas.DrawPoint(drawX, drawY, paint.SelectedColor);
}
}
}
}
started = false;
}
}
internal override void Deselected()
{
started = false;
}
}
}

43
Gui/Apps/Paint/Tools/FilledRectangleTool.cs Normal file
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using Cosmos.System;
using System;
namespace CMLeonOS.Gui.Apps.Paint.Tools
{
internal class FilledRectangleTool : Tool
{
public FilledRectangleTool() : base("Filled Rect")
{
}
private bool started;
private int startX;
private int startY;
internal override void Run(Paint paint, Window canvas, MouseState mouseState, int mouseX, int mouseY)
{
if (mouseState == MouseState.Left)
{
if (!started)
{
started = true;
startX = mouseX;
startY = mouseY;
}
}
else if (started)
{
int x = Math.Min(startX, mouseX);
int y = Math.Min(startY, mouseY);
int width = Math.Abs(mouseX - startX) + 1;
int height = Math.Abs(mouseY - startY) + 1;
canvas.DrawFilledRectangle(x, y, width, height, paint.SelectedColor);
started = false;
}
}
internal override void Deselected()
{
started = false;
}
}
}

38
Gui/Apps/Paint/Tools/LineTool.cs Normal file
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using Cosmos.System;
namespace CMLeonOS.Gui.Apps.Paint.Tools
{
internal class LineTool : Tool
{
public LineTool() : base("Line")
{
}
private bool started;
private int startX;
private int startY;
internal override void Run(Paint paint, Window canvas, MouseState mouseState, int mouseX, int mouseY)
{
if (mouseState == MouseState.Left)
{
if (!started)
{
started = true;
startX = mouseX;
startY = mouseY;
}
}
else if (started)
{
canvas.DrawLine(startX, startY, mouseX, mouseY, paint.SelectedColor);
started = false;
}
}
internal override void Deselected()
{
started = false;
}
}
}

43
Gui/Apps/Paint/Tools/RectangleTool.cs Normal file
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using Cosmos.System;
using System;
namespace CMLeonOS.Gui.Apps.Paint.Tools
{
internal class RectangleTool : Tool
{
public RectangleTool() : base("Rectangle")
{
}
private bool started;
private int startX;
private int startY;
internal override void Run(Paint paint, Window canvas, MouseState mouseState, int mouseX, int mouseY)
{
if (mouseState == MouseState.Left)
{
if (!started)
{
started = true;
startX = mouseX;
startY = mouseY;
}
}
else if (started)
{
int x = Math.Min(startX, mouseX);
int y = Math.Min(startY, mouseY);
int width = Math.Abs(mouseX - startX) + 1;
int height = Math.Abs(mouseY - startY) + 1;
canvas.DrawRectangle(x, y, width, height, paint.SelectedColor);
started = false;
}
}
internal override void Deselected()
{
started = false;
}
}
}