Open Sourcing DOS 4
1 week ago
Hello Friends,
While working in my project i was searching how to draw a dashed linein Graphics not in Graphics2D.
So i get this code and it is superb for drawing dash lines or rectangulars.Just pass the line points and assign your dash length and space length.See the below function........
////pass the line point x1,y1 and point 2 as x2 and y2public void drawDashedLine(Graphics g, int x1, int y1, int x2, int y2, double dash_length, double space_length){ ///if both the points are same if ((x1 == x2) && (y1 == y2)) { g.drawLine(x1, y1, x2, y2); return; }
///calculating line length double linelength = Math.sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
double yincrement = (y2 - y1) / (linelength / (dash_length + space_length)); double xincdashspace = (x2 - x1) / (linelength / (dash_length + space_length)); double yincdashspace = (y2 - y1) / (linelength / (dash_length + space_length)); double xincdash = (x2 - x1) / (linelength / (dash_length)); double yincdash = (y2 - y1) / (linelength / (dash_length)); int counter = 0; for (double i = 0; i < linelength - dash_length; i += dash_length + space_length) { g.drawLine((int)(x1 + xincdashspace * counter), (int)(y1 + yincdashspace * counter), (int)(x1 + xincdashspace * counter + xincdash), (int)(y1 + yincdashspace * counter + yincdash)); counter++; }
if ((dashlength + spacelength) * counter <= linelength) g.drawLine((int)(x1 + xincdashspace * counter), (int)(y1 + yincdashspace * counter), x2, y2);}=============================================
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