trackbar.txt

c#写的改变trackbar大小

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医学波形格式编码


医学波形格式编码规则MFER的解析和实现
张立东 段会龙
浙江大学生物医学工程与仪器科学学院教育部生物医学工程重点实验室,浙江杭州31002



trackBar1


public int ToInt(double pf1, double pf2)
        {
            int it=(int)(pf1/pf2);
            if (pf1 / pf2 - it > 0.5)
                it = it + 1;
            return it;
        }
 private void trackBar1_Scroll(object sender, EventArgs e)
        {
            
            this.label1.Text = "温度的上限:" + this.trackBar1.Value.ToString();
            if (this.trackBar1.Value < this.trackBar2.Value)
            {
                this.trackBar2.Value = this.trackBar1.Value;
                this.label2.Text = this.trackBar2.Value.ToString();
            } 
            Graphics g = this.CreateGraphics();   //两个都要画，最后画两则之间的
            SolidBrush sb = new SolidBrush(Color.Blue);
            g.FillRectangle(sb, 0,7, 279, 4);
            
            //调色板IronTable1[255 ]对应最低温度TMin,IronTable1[0]对应最高温度TMax,这里假设TMin=0,TMax=100,f=100.0/256要算的
            //图像温度TTmax,TTmin,这里假设TTmax=79.6,TTmin=16.4
           /* double TTmax=79.6,TTmin=16.4;
            //double f=(TTmax-TTmin )/256;
            double tmax=Convert.ToDouble(this .trackBar1 .Value );//tmax,tmin是用户调节的最高，低温度
            double tmin = Convert.ToDouble(this .trackBar2 .Value );
            double f = (tmax - tmin) / 256;
            int[,] colortable = new int[256,3];   //为了保留原调色板的值新建一个数组
            for (int i = 0; i < 256; i++)
            {
                colortable[i, 0] = IronTable1[i, 0];
                colortable[i, 1] = IronTable1[i, 1];
                colortable[i, 2] = IronTable1[i, 2];
            }
            if (tmax < TTmax&tmax >TTmin )
            {
                int t = 256 - ToInt((tmax - TTmin), f);
                for (int i = 0; i < t; i++)
                {
                    colortable[i, 0] = colortable[0, 0];
                    colortable[i, 1] = colortable[0,1];
                    colortable[i, 2] = colortable[0, 2];
                }
            }
            if (tmax > TTmax)
            {
                int t = 256 - ToInt((tmax - TTmin), f);
                for (int i = 0; i < t; i++)
                {
                    colortable[i, 0] = colortable[t-1, 0];
                    colortable[i, 1] = colortable[t-1, 1];
                    colortable[i, 2] = colortable[t-1, 2];
                }
            }
            if (tmin < TTmin)
            {
                int t = ToInt(TTmin - tmin, f);
                if (t > 256)  
                    t = 256;
                for (int i = 0; i < t; i++)
                {
                    colortable[255 - i, 0] = colortable[255, 0];
                    colortable[255 - i, 1] = colortable[255, 1];
                    colortable[255 - i,2] = colortable[255, 2];
                }
            }
            if (tmin >TTmin&tmin <TTmax )
            {
                int t = ToInt(TTmin - tmin, f);
                
                for (int i = 0; i < t; i++)
                {
                    colortable[255 - i, 0] = colortable[256-t, 0];
                    colortable[255 - i, 1] = colortable[256-t, 1];
                    colortable[255 - i, 2] = colortable[256-t, 2];
                }
            }
            Bitmap nbitmap = (Bitmap)this.pictureBox1.Image;//新图像
            ColorPalette pal = this.pictureBox1.Image.Palette;
            for (int i = 0; i < 256; i++)
            {
                pal.Entries[i] = Color.FromArgb(colortable[i, 0], colortable[i, 1], colortable[i, 2]);
            }
            nbitmap.Palette = pal;
            this.pictureBox1.Image = nbitmap;
           // this.pictureBox1.Refresh();
            this.pictureBox3.Refresh();
            Graphics g = this.pictureBox3.CreateGraphics();
            Pen pen = new Pen(Color.Red , 2);
            g.DrawLine(pen, 7, 0, 7,200);*/
           
          
        }

        private void trackBar2_Scroll(object sender, EventArgs e)
        {
            this.label2.Text = "温度的下限:" + this.trackBar2.Value.ToString();        //滑块的移动取值与显示
            if (this.trackBar2.Value > this.trackBar1.Value)
            {
                this.trackBar1.Value = this.trackBar2.Value;
                this.label1.Text = this.trackBar1.Value.ToString();
            }
            
            double TTmax = 79.6, TTmin = 16.4;
            //double f = (TTmax - TTmin) / 256;
            double tmax=Convert.ToDouble(this .trackBar1 .Value );//tmax,tmin是用户调节的最高，低温度
            double tmin=Convert.ToDouble(this.trackBar2 .Value );
            double f=(tmax -tmin )/256;
           // ColorPalette pal = this.pictureBox1.Image.Palette;
           // for (double t = tmin; t < tmax;t=t+f )
           // {
              // t+273.3
 
            //}
            int[,] colortable = new int[256, 3];   //为了保留原调色板的值新建一个数组
            for (int i = 0; i < 256; i++)
            {
                colortable[i, 0] = IronTable1[i, 0];
                colortable[i, 1] = IronTable1[i, 1];
                colortable[i, 2] = IronTable1[i, 2];
            }
            if (tmax < TTmax&tmax >TTmin )
            {
                int t = 256 - ToInt((tmax - TTmin), f);
                
                for (int i = 0; i < t; i++)
                {
                    colortable[i, 0] = colortable[0, 0];
                    colortable[i, 1] = colortable[0, 1];
                    colortable[i, 2] = colortable[0, 2];
                }
            }
            if (tmax > TTmax)
            {
                int t = 256 - ToInt((tmax - TTmin), f);
                
                for (int i = 0; i < t; i++)
                {
                    colortable[i, 0] = colortable[t, 0];
                    colortable[i, 1] = colortable[t, 1];
                    colortable[i, 2] = colortable[t, 2];
                }
            }
            if (tmin < TTmin)
            {
                int t = ToInt(TTmin - tmin, f);
                
                for (int i = 0; i < t; i++)
                {
                    colortable[255 - i, 0] = colortable[255, 0];
                    colortable[255 - i, 1] = colortable[255, 1];
                    colortable[255 - i, 2] = colortable[255, 2];
                }
            }
            if (tmin > TTmin&tmin <TTmax )
            {
                int t = ToInt(TTmin - tmin, f);
                
                for (int i = 0; i < t; i++)
                {
                    colortable[255 - i, 0] = colortable[256 - t, 0];
                    colortable[255 - i, 1] = colortable[256 - t, 1];
                    colortable[255 - i, 2] = colortable[256 - t, 2];
                }
            }
            Bitmap nbitmap = (Bitmap)this.pictureBox1.Image;   //新建一个图像 
            ColorPalette pal = this.pictureBox1.Image.Palette;
           for (int i = 0; i < 256; i++)
           {
                pal.Entries[i] = Color.FromArgb(colortable[i, 0], colortable[i, 1], colortable[i, 2]);
           }
            nbitmap.Palette = pal;
            this.pictureBox1.Image = nbitmap;             //图像重新显示
            this.pictureBox1.Refresh();
            this.pictureBox3.Refresh();
            Graphics g = this.pictureBox3.CreateGraphics();
            Pen pen = new Pen(Color.Green , 2);
            g.DrawLine(pen, 7, 0, 7, 150);
            
        }