/* 1 */ //
/* 2 */ //Color Picker Copyright(C)1996. Masakazu Fujimiya
/* 3 */ //m-fujimiya@nri.co.jp
/* 4 */ //
/* 5 */
/* 6 */ import java.awt.*;
/* 7 */
/* 8 */ public class colorpicker extends java.applet.Applet {
/* 9 */ ColorfColor;
/* 10 */ intcx,cy,cw,ch;
/* 11 */ intxsep,ysep;
/* 12 */ intpx,py,sy;
/* 13 */ intsatx,saty,satw,sath;
/* 14 */ intmainx,mainy,mainw,mainh;
/* 15 */ doublehValue,sValue,bValue;
/* 16 */ intpox[],poy[];
/* 17 */ Imageoffs;// Offscreen image
/* 18 */ Graphicsgrf;// Offscreen graph port
/* 19 */
/* 20 */ public void init() {
/* 21 */ pox = new int[4];
/* 22 */ poy = new int[4];
/* 23 */
/* 24 */ // Off screen bitmap image
/* 25 */ offs = createImage(size().width, size().height);
/* 26 */ grf = offs.getGraphics();
/* 27 */
/* 28 */ cx = cy = 10;
/* 29 */ cw = 4 ; ch = 8;
/* 30 */ xsep = 64 ; ysep = 16;
/* 31 */ hValue = 0; sValue = 0; bValue = 1;
/* 32 */
/* 33 */ satx = xsep*cw + cx*2;
/* 34 */ satw = cx*2;
/* 35 */ saty = cy;
/* 36 */ sath = ysep*ch;
/* 37 */ sy = saty + sath;
/* 38 */ mainx = px = cx;
/* 39 */ mainy = py = cy;
/* 40 */ mainw = xsep*cw;
/* 41 */ mainh = ysep*ch;
/* 42 */ }
/* 43 */
/* 44 */
/* 45 */ public void paint(Graphics g) {
/* 46 */ inti,j;
/* 47 */ intix,iy;
/* 48 */ intcol;
/* 49 */ floath,s,b;
/* 50 */
/* 51 */ grf.setColor(Color.lightGray);
/* 52 */ grf.fillRect(0, 0, size().width, size().height);
/* 53 */ for (i=0 ; i/* 54 */ for (j=0 ; j/* 55 */ ix = i*cw + cx;
/* 56 */ iy = j*ch + cy;
/* 57 */ h = (float)((double)i/(double)xsep);
/* 58 */ s = (float)((double)j/(double)ysep);
/* 59 */ b = (float)bValue;
/* 60 */ col = Color.HSBtoRGB(h,s,b);
/* 61 */ grf.setColor(new java.awt.Color(col));
/* 62 */ grf. fillRect(ix,iy,cw,ch);
/* 63 */ }
/* 64 */ }
/* 65 */ g.drawImage(offs, 0, 0, this);
/* 66 */ paintAns(g);
/* 67 */
/* 68 */ g.setColor(Color.lightGray);
/* 69 */ g.draw3DRect(satx-1, saty-1, satw+1, sath+1, true);
/* 70 */ g.draw3DRect(mainx-1, mainy-1, mainw+1, mainh+1, true);
/* 71 */ }
/* 72 */
/* 73 */
/* 74 */ public void paintAns(Graphics g) {
/* 75 */ floath,s,b;
/* 76 */ intcol;
/* 77 */ intix,iy,i,j;
/* 78 */
/* 79 */ for (j=0 ; j/* 80 */ ix = xsep*cw + cx + cx;
/* 81 */ iy = j*ch + cy;
/* 82 */ h = (float)hValue;
/* 83 */ s = (float)sValue;
/* 84 */ b = (float)((double)j/(double)ysep);
/* 85 */ col = Color.HSBtoRGB(h,s,b);
/* 86 */ g.setColor(new java.awt.Color(col));
/* 87 */ g. fillRect(ix,iy,cx*2,ch);
/* 88 */ }
/* 89 */
/* 90 */ ix = (int)(hValue*(double)cw*(double)xsep) + cx;
/* 91 */ iy = (int)(sValue*(double)ch*(double)ysep) + cy;
/* 92 */ g.setColor(Color.yellow);
/* 93 */ g.drawRect(ix-1,iy-1,2,2);
/* 94 */ g.setColor(Color.blue);
/* 95 */ g.drawRect(ix-2,iy-2,4,4);
/* 96 */
/* 97 */ pox[0] = pox[3] = xsep*cw + cx*3;
/* 98 */ poy[0] = poy[3] = (int)(bValue*(double)ysep*(double)ch) + cy;
/* 99 */ pox[1] = pox[2] = pox[0] + 4;
/* 100 */ poy[1] = poy[0] + 4;
/* 101 */ poy[2] = poy[0] - 4;
/* 102 */ g.setColor(Color.yellow);
/* 103 */ g.fillPolygon(pox, poy, 3);
/* 104 */ g.setColor(Color.blue);
/* 105 */ g.drawPolygon(pox, poy, 4);
/* 106 */ paintValue(g);
/* 107 */ }
/* 108 */
/* 109 */
/* 110 */ public void paintValue(Graphics g) {
/* 111 */ floath,s,b;
/* 112 */ intcol;
/* 113 */ Stringwks,outs;
/* 114 */ intred,green,blue;
/* 115 */
/* 116 */ h = (float)hValue;
/* 117 */ s = (float)sValue;
/* 118 */ b = (float)bValue;
/* 119 */ col = Color.HSBtoRGB(h,s,b);
/* 120 */ g.setColor(new java.awt.Color(col));
/* 121 */ g. fill3DRect(mainx, mainy+mainh+cy, mainw+cx+satw,cy*2, true);
/* 122 */
/* 123 */ int wk = col/256/256/256;
/* 124 */ col = col - wk;
/* 125 */ red = col/256/256;
/* 126 */ green = (col-red*256*256)/256;
/* 127 */ blue = col-red*256*256-green*256;
/* 128 */
/* 129 */ wks = Integer.toString(255+red,16);
/* 130 */ if (wks.length()==1) wks = "0" + wks;
/* 131 */ outs = wks;
/* 132 */ wks = Integer.toString(255+green,16);
/* 133 */ if (wks.length()==1) wks = "0" + wks;
/* 134 */ outs = outs + wks;
/* 135 */ wks = Integer.toString(255+blue,16);
/* 136 */ if (wks.length()==1) wks = "0" + wks;
/* 137 */ outs = outs + wks;
/* 138 */
/* 139 */ g.clearRect(0, mainy+mainh+cy*3, size().width, 35);
/* 140 */ g.setColor(Color.black);
/* 141 */ g.drawString("Color value = " + outs.toUpperCase(), mainx+5, mainy+mainh+cy*3+25);
/* 142 */ }
/* 143 */
/* 144 */
/* 145 */ public boolean mouseUp(java.awt.Event evt, int jx, int jy) {
/* 146 */ intdt=1;
/* 147 */
/* 148 */ if ((jx >= satx-dt)&&(jx <= satx+satw+dt)&&(jy >= saty-dt)&&(jy <= saty+sath+dt)) {
/* 149 */ bValue = (double)(jy - saty)/(double)sath;
/* 150 */ hValue = (double)(px - mainx)/(double)mainw;
/* 151 */ sValue = (double)(py - mainy)/(double)mainh;
/* 152 */ if(bValue<0) bValue=0;
/* 153 */ if(bValue>1) bValue=1;
/* 154 */ repaint();
/* 155 */ sy = jy;
/* 156 */ }
/* 157 */ if ((jx >= mainx-dt)&&(jx <= mainx+mainw+dt)&&(jy >= mainy-dt)&&(jy <= mainy+mainh+dt)) {
/* 158 */ repaint(px-4, py-4, 8, 8);
/* 159 */ px = jx ; py = jy;
/* 160 */ hValue = (double)(jx - mainx)/(double)mainw;
/* 161 */ sValue = (double)(jy - mainy)/(double)mainh;
/* 162 */ if(hValue<0) hValue=0;
/* 163 */ if(hValue>0.999) hValue=0.999;
/* 164 */ if(sValue<0) sValue=0;
/* 165 */ if(sValue>0.995) sValue=0.995;
/* 166 */ paintAns(getGraphics());
/* 167 */ }
/* 168 */ return(true);
/* 169 */ }
/* 170 */
/* 171 */
/* 172 */ public boolean mouseDrag(java.awt.Event evt, int jx, int jy) {
/* 173 */ intdt=1;
/* 174 */
/* 175 */ if ((jx >= satx-dt)&&(jx <= satx+satw+dt)&&(jy >= saty-dt)&&(jy <= saty+sath+dt)) {
/* 176 */ bValue = (double)(jy - saty)/(double)sath;
/* 177 */ hValue = (double)(px - mainx)/(double)mainw;
/* 178 */ sValue = (double)(py - mainy)/(double)mainh;
/* 179 */ } else {
/* 180 */ if ((jx >= mainx-dt)&&(jx <= mainx+mainw+dt)&&(jy >= mainy-dt)&&(jy <= mainy+mainh+dt)) {
/* 181 */ bValue = (double)(sy - saty)/(double)sath;
/* 182 */ hValue = (double)(jx - mainx)/(double)mainw;
/* 183 */ sValue = (double)(jy - mainy)/(double)mainh;
/* 184 */ } else {
/* 185 */ bValue = (double)(sy - saty)/(double)sath;
/* 186 */ hValue = (double)(px - mainx)/(double)mainw;
/* 187 */ sValue = (double)(py - mainy)/(double)mainh;
/* 188 */ }
/* 189 */ }
/* 190 */ if(bValue<0) bValue=0;
/* 191 */ if(bValue>1) bValue=1;
/* 192 */ if(hValue<0) hValue=0;
/* 193 */ if(hValue>0.999) hValue=0.999;
/* 194 */ if(sValue<0) sValue=0;
/* 195 */ if(sValue>0.995) sValue=0.995;
/* 196 */ paintValue(getGraphics());
/* 197 */ return(true);
/* 198 */ }
/* 199 */
/* 200 */
/* 201 */ public void update(Graphics g) {
/* 202 */ paint(g);
/* 203 */ }
/* 204 */
/* 205 */ }
