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SimplePCB.java
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SimplePCB.java
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/*
Copyright (c) 2012 Joe Davisson.
This file is part of SimplePCB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.swing.*;
import javax.swing.text.*;
import java.io.*;
import java.net.*;
public class SimplePCB
{
public static Frame win = null;
public static TopBar topbar = null;
public static Tools tools = null;
public static Layers layers = null;
public static RenderPanel panel = null;
public static double traceSize = .02;
public static double padInnerSize = .03;
public static double padOuterSize = .08;
public static PCBFont font;
public static Input input;
public static Board board = null;
public static int zoom = Grid.mag;
public static Trace currentTrace = null;
public static Pad selectedPad = null;
public static Trace selectedTrace = null;
public static int mousex, mousey;
public static int ox, oy;
public static double x, y;
public static double gridx, gridy;
public static int nextGroup = 0;
public static int toolMode = 0;
public static boolean selectRectStatus = false;
public static int selectRectX1;
public static int selectRectY1;
public static int selectRectX2;
public static int selectRectY2;
public static boolean selectionStarted = false;
public static double centerx = 0;
public static double centery = 0;
public static double angle = Math.toRadians(90);
// about dialog
public static void about()
{
JOptionPane.showMessageDialog(win, "SimplePCB",
"About", JOptionPane.INFORMATION_MESSAGE);
}
// new project
public static void newProject()
{
cancelSelection();
unselectAll();
board = new Board(3.0 * 25.4, 2.0 * 25.4);
panel.repaint();
}
// load project
public static void loadProject()
{
final JFileChooser fc = new JFileChooser();
if(fc.showOpenDialog(win) == JFileChooser.APPROVE_OPTION)
{
File file = fc.getSelectedFile();
board.load(file);
}
}
// save project
public static void saveProject()
{
final JFileChooser fc = new JFileChooser();
if(fc.showSaveDialog(win) == JFileChooser.APPROVE_OPTION)
{
File file = fc.getSelectedFile();
if(file != null && file.exists())
{
int response = JOptionPane.showConfirmDialog(win, "\"" + file.getName() + "\" exists, overwrite?", "File Exists", JOptionPane.YES_NO_OPTION);
if(response != JOptionPane.YES_OPTION)
return;
}
board.save(file);
}
}
// save gerber
public static void exportGerberLayer(int layer)
{
final JFileChooser fc = new JFileChooser();
if(fc.showSaveDialog(win) == JFileChooser.APPROVE_OPTION)
{
File file = fc.getSelectedFile();
if(file != null && file.exists())
{
int response = JOptionPane.showConfirmDialog(win, "\"" + file.getName() + "\" exists, overwrite?", "File Exists", JOptionPane.YES_NO_OPTION);
if(response != JOptionPane.YES_OPTION)
return;
}
Gerber.save(board, file, layer);
}
}
// save PNG
public static void exportPngLayer(int layer)
{
final JFileChooser fc = new JFileChooser();
if(fc.showSaveDialog(win) == JFileChooser.APPROVE_OPTION)
{
File file = fc.getSelectedFile();
if(file != null && file.exists())
{
int response = JOptionPane.showConfirmDialog(win, "\"" + file.getName() + "\" exists, overwrite?", "File Exists", JOptionPane.YES_NO_OPTION);
if(response != JOptionPane.YES_OPTION)
return;
}
Png.save(board, file, layer);
}
}
// find center of selection
public static void findCenter()
{
int i, j;
double x1 = 1000, y1 = 1000, x2 = -1000, y2 = -1000;
for(i = 0; i < board.max; i++)
{
Trace trace = board.trace[i];
Pad pad = board.pad[i];
if(trace.selected)
{
for(j = 0; j < trace.length; j++)
{
if(trace.x[j] < x1)
x1 = trace.x[j];
if(trace.y[j] < y1)
y1 = trace.y[j];
if(trace.x[j] > x2)
x2 = trace.x[j];
if(trace.y[j] > y2)
y2 = trace.y[j];
}
}
if(pad.selected)
{
if(pad.x < x1)
x1 = pad.x;
if(pad.y < y1)
y1 = pad.y;
if(pad.x > x2)
x2 = pad.x;
if(pad.y > y2)
y2 = pad.y;
}
centerx = x1 + (x2 - x1) / 2;
centery = y1 + (y2 - y1) / 2;
}
}
// rotate selection
public static void rotate()
{
int i, j;
findCenter();
for(i = 0; i < board.max; i++)
{
Trace trace = board.trace[i];
Pad pad = board.pad[i];
if(trace.selected)
{
for(j = 0; j < trace.length; j++)
{
double x = trace.x[j];
double y = trace.y[j];
double gx = centerx + (x - centerx) * Math.cos(angle)
- (y - centery) * Math.sin(angle);
double gy = centery + (x - centerx) * Math.sin(angle)
+ (y - centery) * Math.cos(angle);
trace.x[j] = gx;
trace.y[j] = gy;
}
}
if(pad.selected)
{
double x = pad.x;
double y = pad.y;
double gx = centerx + (x - centerx) * Math.cos(angle)
- (y - centery) * Math.sin(angle);
double gy = centery + (x - centerx) * Math.sin(angle)
- (y - centery) * Math.cos(angle);
pad.x = gx;
pad.y = gy;
}
}
panel.repaint();
}
// flip selection
public static void flip()
{
int i, j;
findCenter();
for(i = 0; i < board.max; i++)
{
Trace trace = board.trace[i];
Pad pad = board.pad[i];
if(trace.selected)
{
for(j = 0; j < trace.length; j++)
{
trace.x[j] = centerx - (trace.x[j] - centerx);
}
}
if(pad.selected)
{
pad.x = centerx - (pad.x - centerx);
}
}
panel.repaint();
}
// mirror selection
public static void mirror()
{
int i, j;
findCenter();
for(i = 0; i < board.max; i++)
{
Trace trace = board.trace[i];
Pad pad = board.pad[i];
if(trace.selected)
{
for(j = 0; j < trace.length; j++)
{
trace.y[j] = centery - (trace.y[j] - centery);
}
}
if(pad.selected)
{
pad.y = centery - (pad.y - centery);
}
}
panel.repaint();
}
// quit
public static void quit()
{
System.exit(0);
}
// sleep
public static void sleep()
{
try
{
Thread.sleep(16);
}
catch(InterruptedException e)
{
}
}
// change tool
public static void setToolMode(int mode)
{
toolMode = mode;
currentTrace = null;
panel.repaint();
}
// mouse related math
public static void updateMouse()
{
mousex = input.mousex;
mousey = input.mousey;
x = (double)(mousex - ox) / zoom;
y = (double)(mousey - oy) / zoom;
if(Grid.use)
{
gridx = Grid.snap(x);
gridy = Grid.snap(y);
}
else
{
gridx = x;
gridy = y;
}
}
// point on line test
public static boolean pointOnLine(double x, double y, double x1, double y1, double x2, double y2, double size)
{
double px = x2 - x1;
double py = y2 - y1;
double len = px * px + py * py;
double u = ((x - x1) * px + (y - y1) * py) / len;
if(u > 1.0)
u = 1.0;
if(u < 0)
u = 0;
double x3 = x1 + u * px;
double y3 = y1 + u * py;
double dx = x3 - x;
double dy = y3 - y;
if(Math.sqrt(dx * dx + dy * dy) < size / 2)
return true;
else
return false;
}
// point in circle test
public static boolean pointInCircle(double x, double y, double r)
{
if(x * x + y * y < r * r)
return true;
else
return false;
}
public static double isLeft(double x1, double y1, double x2, double y2,
double x3, double y3)
{
return (x2 - x1) * (y3 - y1) - (x3 - x1) * (y2 - y1);
}
public static boolean pointInPoly(Trace trace, double x, double y)
{
int i;
int inside = 0;
double px1, py1, px2, py2;
for(i = 0; i < trace.length - 1; i++)
{
px1 = trace.x[i];
py1 = trace.y[i];
px2 = trace.x[i + 1];
py2 = trace.y[i + 1];
if(py1 <= y)
{
if((py2 > y) && (isLeft(px1, py1, px2, py2, x, y) > 0))
inside++;
}
else
{
if((py2 <= y) && (isLeft(px1, py1, px2, py2, x, y) < 0))
inside++;
}
}
px1 = trace.x[0];
py1 = trace.y[0];
px2 = trace.x[trace.length - 1];
py2 = trace.y[trace.length - 1];
if(py1 <= y)
{
if((py2 > y) && (isLeft(px1, py1, px2, py2, x, y) > 0))
inside++;
}
else
{
if((py2 <= y) && (isLeft(px1, py1, px2, py2, x, y) < 0))
inside++;
}
if((inside & 1) == 1)
return true;
else
return false;
}
// unselect all
public static void unselectAll()
{
currentTrace = null;
selectedTrace = null;
selectedPad = null;
}
// cancel selection
public static void cancelSelection()
{
int i;
for(i = 0; i < board.max; i++)
{
board.trace[i].selected = false;
board.pad[i].selected = false;
}
selectionStarted = false;
currentTrace = null;
}
// finish group
public static void finishGroup()
{
int i;
for(i = 0; i < board.max; i++)
{
if(board.trace[i].selected)
board.trace[i].group = nextGroup;
if(board.pad[i].selected)
board.pad[i].group = nextGroup;
}
cancelSelection();
nextGroup++;
panel.repaint();
}
public static void addGroupToSelection(int group)
{
int i;
for(i = 0; i < board.max; i++)
{
if(board.trace[i].group == group)
board.trace[i].selected = true;
if(board.pad[i].group == group)
board.pad[i].selected = true;
}
}
public static void unGroup()
{
int i;
for(i = 0; i < board.max; i++)
{
if(board.pad[i].selected)
board.pad[i].group = -1;
if(board.trace[i].selected)
board.trace[i].group = -1;
}
panel.repaint();
}
// move entire group
public static void moveGroup()
{
int i, j;
while(input.button1)
{
double oldgridx = gridx;
double oldgridy = gridy;
updateMouse();
double deltax = gridx - oldgridx;
double deltay = gridy - oldgridy;
for(i = 0; i < board.max; i++)
{
if(board.pad[i].selected)
{
board.pad[i].x += deltax;
board.pad[i].y += deltay;
}
if(board.trace[i].selected)
{
for(j = 0; j < board.trace[i].length; j++)
{
board.trace[i].x[j] += deltax;
board.trace[i].y[j] += deltay;
}
}
}
panel.repaint();
sleep();
}
}
// duplicate selected
public static void duplicate()
{
int i;
for(i = 0; i < board.max; i++)
{
Pad tempPad = board.pad[i];
Trace tempTrace = board.trace[i];
if(tempPad.selected)
{
Pad temp = board.addPad(tempPad.layer, tempPad.x, tempPad.y,
tempPad.innerSize, tempPad.outerSize);
temp.selected = false;
}
if(tempTrace.selected)
{
Trace temp = board.addTrace(0, 0, 0, 0, false);
temp.copy(tempTrace);
temp.selected = false;
}
}
panel.repaint();
}
// add text
public static void addText(String s, double height, double size)
{
// make a new trace group for this text
cancelSelection();
unselectAll();
int i, j;
double pos = 0;
double scale = .01 * height;
Trace tempTrace;
Letter letter;
for(i = 0; i < s.length(); i++)
{
letter = PCBFont.letter[s.charAt(i)];
double highest = 0;
for(j = 0; j < letter.length; j++)
{
double x1 = (double)letter.x1[j];
double y1 = (double)letter.y1[j];
double x2 = (double)letter.x2[j];
double y2 = (double)letter.y2[j];
if(x1 > highest)
highest = x1;
if(x2 > highest)
highest = x2;
tempTrace = board.addTrace(layers.current, (pos + x1) * scale, (y1) * scale, size, false);
tempTrace.add((pos + x2) * scale, (y2) * scale);
tempTrace.group = nextGroup;
}
pos += highest + letter.spacing;
}
nextGroup++;
}
// program entry
public static void main(String[] args)
{
// load font
font = new PCBFont();
// mouse input
input = new Input();
// default grid
Grid.setInches(.025);
// pcb board outline
board = new Board(3.0 * 25.4, 2.0 * 25.4);
// create window
JFrame frame = new JFrame("SimplePCB");
frame.setLayout(new BorderLayout());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setPreferredSize(new Dimension(800, 600));
frame.setMinimumSize(new Dimension(800, 600));
frame.setResizable(true);
frame.setFocusable(true);
// menu
MainMenu menu = new MainMenu();
frame.setJMenuBar(menu);
// top toolbar
topbar = new TopBar();
frame.add(topbar, BorderLayout.NORTH);
// left toolbar
tools = new Tools();
frame.add(tools, BorderLayout.WEST);
// right toolbar
layers = new Layers();
frame.add(layers, BorderLayout.EAST);
// main viewport
panel = new RenderPanel();
panel.addMouseListener(input);
panel.addMouseMotionListener(input);
panel.addMouseWheelListener(input);
//panel.addKeyListener(input);
panel.setFocusable(true);
// misc
tools.setMode(0);
// key bindings
panel.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0), "key_delete");
panel.getActionMap().put("key_delete",
new AbstractAction()
{
public void actionPerformed(ActionEvent e)
{
int i;
switch(toolMode)
{
case 0:
// delete selection
for(i = 0; i < board.max; i++)
{
if(board.trace[i].selected)
{
board.trace[i].status = false;
board.trace[i].group = -1;
}
if(board.pad[i].selected)
{
board.pad[i].status = false;
board.pad[i].group = -1;
}
}
// delete trace
if(selectedTrace != null)
{
selectedTrace.status = false;
selectedTrace.length = 0;
}
// delete pad
if(selectedPad != null)
{
selectedPad.status = false;
}
unselectAll();
break;
case 1:
case 4:
// delete vertex
if(selectedTrace != null)
{
selectedTrace.delete(selectedTrace.selectedVertex);
}
break;
}
panel.repaint();
}
} );
panel.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_R, 0), "key_r");
panel.getActionMap().put("key_r",
new AbstractAction()
{
public void actionPerformed(ActionEvent e)
{
rotate();
}
} );
panel.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_F, 0), "key_f");
panel.getActionMap().put("key_f",
new AbstractAction()
{
public void actionPerformed(ActionEvent e)
{
flip();
}
} );
panel.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_M, 0), "key_m");
panel.getActionMap().put("key_m",
new AbstractAction()
{
public void actionPerformed(ActionEvent e)
{
mirror();
}
} );
panel.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0), "key_escape");
panel.getActionMap().put("key_escape",
new AbstractAction()
{
public void actionPerformed(ActionEvent e)
{
tools.setMode(0);
}
} );
frame.add(panel, BorderLayout.CENTER);
frame.pack();
frame.setVisible(true);
win = (Frame)frame;
int i, j;
// main loop
while(true)
{
sleep();
updateMouse();
// zoom in
if(input.wheelup)
{
input.wheelup = false;
double oldzoom = zoom;
zoom += Grid.mag;
if(zoom > (Grid.mag * 16))
zoom = (Grid.mag * 16);
double zoomlevel = (double)zoom / oldzoom;
ox -= (int)((double)(mousex - ox) * (zoomlevel - 1));
oy -= (int)((double)(mousey - oy) * (zoomlevel - 1));
panel.repaint();
continue;
}
// zoom out
if(input.wheeldown)
{
input.wheeldown = false;
double oldzoom = zoom;
zoom -= Grid.mag;
if(zoom < Grid.mag)
zoom = Grid.mag;
double zoomlevel = (double)zoom / oldzoom;
ox -= (int)((double)(mousex - ox) * (zoomlevel - 1));
oy -= (int)((double)(mousey - oy) * (zoomlevel - 1));
panel.repaint();
continue;
}
// pan view
if(input.button2)
{
int last_ox = mousex - ox;
int last_oy = mousey - oy;
while(input.button2)
{
ox = input.mousex - last_ox;
oy = input.mousey - last_oy;
panel.repaint();
sleep();
}
continue;
}
// continue trace
if(currentTrace != null)
{
panel.repaint();
// next segment
if(input.button1)
{
input.button1 = false;
currentTrace.add(gridx, gridy);
panel.repaint();
continue;
}
// done
if(input.button3)
{
input.button3 = false;
// turn completed trace off if no length
if( (currentTrace.filled && currentTrace.length < 3)
|| (!currentTrace.filled && currentTrace.length < 2) )
{
selectedTrace = null;
currentTrace.length = 0;
currentTrace.status = false;
currentTrace.group = -1;
currentTrace = null;
}
else
{
currentTrace.selected = true;
selectedTrace = currentTrace;
currentTrace = null;
}
panel.repaint();
}
continue;
}
// double click
if(input.doubleclicked)
{
switch(toolMode)
{
case 1:
case 4:
// add vertex
if(selectedTrace != null)
{
for(i = 1; i < selectedTrace.length; i++)
{
double x1 = selectedTrace.x[i];
double x2 = selectedTrace.x[i - 1];
double y1 = selectedTrace.y[i];
double y2 = selectedTrace.y[i - 1];
if(pointOnLine(x, y, x1, y1, x2, y2, 1.0))
{
selectedTrace.insert(i, gridx, gridy);
selectedTrace.selectedVertex = i;
panel.repaint();
break;
}
}
if(selectedTrace.filled)
{
double x1 = selectedTrace.x[0];
double x2 = selectedTrace.x[selectedTrace.length - 1];
double y1 = selectedTrace.y[0];
double y2 = selectedTrace.y[selectedTrace.length - 1];
if(pointOnLine(x, y, x1, y1, x2, y2, 1.0))
{
selectedTrace.insert(i, gridx, gridy);
selectedTrace.selectedVertex = i;
panel.repaint();
}
}
}
break;
}
input.doubleclicked = false;
}
// left button click
if(input.button1)
{
switch(toolMode)
{
case 0:
unselectAll();
// select trace
for(i = 0; i < board.max; i++)
{
if(board.trace[i].status)
{
if(board.trace[i].filled)
{
// polygon
if(pointInPoly(board.trace[i], x, y))
{
unselectAll();
selectedTrace = board.trace[i];
}
}
else
{
// trace
for(j = 1; j < board.trace[i].length; j++)
{
double x1 = board.trace[i].x[j];
double x2 = board.trace[i].x[j - 1];
double y1 = board.trace[i].y[j];
double y2 = board.trace[i].y[j - 1];
if(pointOnLine(x, y, x1, y1, x2, y2, board.trace[i].size))
{
unselectAll();
selectedTrace = board.trace[i];
break;
}
}
}
if(selectedTrace != null)
{
if(input.shiftdown)
{
input.shiftdown = false;
selectedTrace.selected = true;
if(selectedTrace.group != -1)
addGroupToSelection(selectedTrace.group);
}
else if(!selectedTrace.selected)
{
cancelSelection();
selectedTrace.selected = true;
if(selectedTrace.group != -1)
addGroupToSelection(selectedTrace.group);
}
break;
}
}
}
// select pad
for(i = 0; i < board.max; i++)
{
double px = x - board.pad[i].x;
double py = y - board.pad[i].y;
double pr = board.pad[i].outerSize / 2;
if(board.pad[i].status && pointInCircle(px, py, pr))
{
unselectAll();
selectedPad = board.pad[i];
if(input.shiftdown)
{
input.shiftdown = false;
selectedPad.selected = true;
if(selectedPad.group != -1)
addGroupToSelection(selectedPad.group);
}
else if(!selectedPad.selected)
{