C# - Ex07 - Brush 다루기

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Drawing2D;

namespace Ex07
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        // 버튼색 받아와서 단색 칠하기
        private void ColorButton_Click(object sender, EventArgs e)
        {
            //panel1.BackColor = ((Button)sender).BackColor;

            //CreateGraphics();
            //Graphics grfx = panel1.CreateGraphics();//특정 컨트롤의 그리기 도수 반환
            //grfx.FillRectangle(Brushes.Yellow, 0, 0, 100, 100);

            Graphics grfx = panel1.CreateGraphics();
            //SolidBrush 단색 칠할떄 사용
            grfx.FillRectangle(new SolidBrush(((Button)sender).BackColor),
                panel1.ClientRectangle); //컨트롤의 표시 가능 영역

            grfx.Dispose();

        }

        // 문양 있는색 칠하기 Hatch Brush
        private void button4_Click(object sender, EventArgs e)
        {
            Graphics grfx = panel1.CreateGraphics();

            Random r = new Random();
            int opt = r.Next(1, 6);
            HatchBrush hb = null;
            switch (opt)
            {
                case 1:
                    hb = new HatchBrush(HatchStyle.Wave, Color.Orange);
                    break;
                case 2:
                    hb = new HatchBrush(HatchStyle.BackwardDiagonal, Color.Orange);
                    break;
                case 3:
                    hb = new HatchBrush(HatchStyle.Cross, Color.Orange);
                    break;
                case 4:
                    hb = new HatchBrush(HatchStyle.DiagonalBrick, Color.Orange);
                    break;
                case 5:
                    hb = new HatchBrush(HatchStyle.Vertical, Color.Orange);
                    break;

            }

            //grfx.FillRectangle(new HatchBrush(HatchStyle.Wave, Color.Orange), panel1.ClientRectangle);

            grfx.FillRectangle(hb, panel1.ClientRectangle);

            grfx.Dispose();
        }

        // 그라데이션 Gradient Brush
        private void button5_Click(object sender, EventArgs e)
        {
            Graphics grfx = panel1.CreateGraphics();

            Random r = new Random();

            LinearGradientBrush brush = new LinearGradientBrush(
                new Point(0, 0), //그라데이션 시작점
                new Point(panel1.Width, panel1.Height), //그라데이션 종료점
                Color.FromArgb(r.Next(256), r.Next(256), r.Next(256)), //시작색상
                Color.FromArgb(r.Next(256), r.Next(256), r.Next(256))); //종료색상

            grfx.FillRectangle(brush, panel1.ClientRectangle);

          

            Graphics grfx2 = button5.CreateGraphics();

            LinearGradientBrush brush2 = new LinearGradientBrush(
            new Point(0, 0), //그라데이션 시작점
                new Point(button5.Width, button5.Height),
            Color.Olive,
            Color.Navy);

            grfx2.FillRectangle(brush2, button5.ClientRectangle);

            grfx.Dispose();
            grfx2.Dispose();
        }

        //그림불러오기 Texture Brush
        private void button6_Click(object sender, EventArgs e)
        {
            Graphics grfx = panel1.CreateGraphics();

            Image img = Image.FromFile("..\\..\\leena0.bmp");
            TextureBrush tb = new TextureBrush(img);

            grfx.FillRectangle(tb, panel1.ClientRectangle);
           
            grfx.Dispose();

        }
        //새로운 윈폼을 열어 PictureBox 불러오기 New Windows
        private void button7_Click(object sender, EventArgs e)
        {
            PictureForm form = new PictureForm();
            form.ShowDialog();
        }
    }
}