Files
Paint2/Paint_2/Form1.cs
2022-05-25 14:33:57 +02:00

119 lines
4.1 KiB
C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace Paint_2
{
public partial class PaintForm : Form
{
Sketch sketch;
List<PaintTool> toolList;
bool drawing = false;
Random rnd;
Color hoveringColor;
public PaintForm()
{
InitializeComponent();
rnd = new Random();
nupWidth.Value = canvas.Width;
nupHeight.Value = canvas.Height;
toolList = new List<PaintTool>();
toolList.Add(new Pencil());
toolList.Add(new Pencil());
sketch = new Sketch(new Size((int)nupWidth.Value, (int)nupHeight.Value), toolList);
canvas.Image = sketch.Drawing;
tmrRefresh.Enabled = true;
}
private Point MousePositionToCanvasPosition()
{
//return new Point(MousePosition.X - canvas.Location.X, MousePosition.Y - canvas.Location.Y);
return canvas.PointToClient(MousePosition);
}
private void canvas_MouseDown(object sender, MouseEventArgs e)
{
drawing = true;
sketch.StartDrawing(MousePositionToCanvasPosition(), Color.FromArgb(rnd.Next(0, 256), rnd.Next(0, 256), rnd.Next(0, 256)), (int)nupPencilWidth.Value);
//tmrRefresh.Enabled = true;
List<Color> colorHistory = sketch.CurrentTool.GetLastColors(4);
btnColorHistory1.BackColor = colorHistory[0];
btnColorHistory2.BackColor = colorHistory[1];
btnColorHistory3.BackColor = colorHistory[2];
btnColorHistory4.BackColor = colorHistory[3];
}
private void canvas_MouseUp(object sender, MouseEventArgs e)
{
//tmrRefresh.Enabled = false;
sketch.AddDrawingPoint(MousePositionToCanvasPosition());
drawing = false;
RefreshUi();
}
private void tmrRefresh_Tick(object sender, EventArgs e)
{
if (drawing)
{
sketch.AddDrawingPoint(MousePositionToCanvasPosition());
}
RefreshUi();
}
private void BtnColor_Click(object sender, EventArgs e)
{
Button button = sender as Button;
sketch.ChangePaintToolColor(button.BackColor);
tmrRefresh_Tick(sender, e);
}
private string ColorToString(Color color)
{
// Expected Hex:FFFFFF R:255 G:255 B:255
string result = "";
int toBase = 16;
result += "Hex:" + Convert.ToString(color.R, toBase) + Convert.ToString(color.G, toBase) + Convert.ToString(color.B, toBase) + " ";
result += "R:" + color.R + " G:" + color.G + " B:" + color.B;
return result;
}
private void RefreshUi()
{
canvas.Image = sketch.Paint();
lblSelectedColor.Text = ColorToString(sketch.CurrentTool.Color);
btnSelectedColor.BackColor = sketch.CurrentTool.Color;
hoveringColor = GetHoverColor();
lblHoveringColor.Text = ColorToString(hoveringColor);
btnHoveringColor.BackColor = hoveringColor;
}
private Color GetHoverColor()
{
Point cursorLocation = MousePositionToCanvasPosition();
Color pixel;
if (cursorLocation.X > 0 && cursorLocation.X < canvas.Width && cursorLocation.Y > 0 && cursorLocation.Y < canvas.Height)
{
pixel = (canvas.Image as Bitmap).GetPixel(cursorLocation.X, cursorLocation.Y);
}
else
{
pixel = Color.FromArgb(0x00,0x00,0x00);
}
return pixel;
}
private void btnClear_Click(object sender, EventArgs e)
{
sketch.Clear();
RefreshUi();
}
private void nupPencilWidth_ValueChanged(object sender, EventArgs e)
{
sketch.ChangePaintToolWidth((int)nupPencilWidth.Value);
}
}
}