public interface StdAttr {
Attribute<Direction> FACING = Attributes.forDirection("facing", Strings.getter("stdFacingAttr"));
Attribute<BitWidth> WIDTH = Attributes.forBitWidth("width", Strings.getter("stdDataWidthAttr"));
AttributeOption TRIG_RISING = new AttributeOption("rising", Strings.getter("stdTriggerRising"));
AttributeOption TRIG_FALLING =
new AttributeOption("falling", Strings.getter("stdTriggerFalling"));
AttributeOption TRIG_HIGH = new AttributeOption("high", Strings.getter("stdTriggerHigh"));
AttributeOption TRIG_LOW = new AttributeOption("low", Strings.getter("stdTriggerLow"));
Attribute<AttributeOption> TRIGGER =
Attributes.forOption(
"trigger",
Strings.getter("stdTriggerAttr"),
new AttributeOption[] {TRIG_RISING, TRIG_FALLING, TRIG_HIGH, TRIG_LOW});
Attribute<AttributeOption> EDGE_TRIGGER =
Attributes.forOption(
"trigger",
Strings.getter("stdTriggerAttr"),
new AttributeOption[] {TRIG_RISING, TRIG_FALLING});
Attribute<String> LABEL = Attributes.forString("label", Strings.getter("stdLabelAttr"));
Attribute<Font> LABEL_FONT = Attributes.forFont("labelfont", Strings.getter("stdLabelFontAttr"));
Font DEFAULT_LABEL_FONT = new Font("SansSerif", Font.PLAIN, 12);
}
class NotGate extends InstanceFactory {
public static final AttributeOption SIZE_NARROW =
new AttributeOption(Integer.valueOf(20), Strings.getter("gateSizeNarrowOpt"));
public static final AttributeOption SIZE_WIDE =
new AttributeOption(Integer.valueOf(30), Strings.getter("gateSizeWideOpt"));
public static final Attribute<AttributeOption> ATTR_SIZE =
Attributes.forOption(
"size", Strings.getter("gateSizeAttr"), new AttributeOption[] {SIZE_NARROW, SIZE_WIDE});
private static final String RECT_LABEL = "1";
private static final Icon toolIcon = Icons.getIcon("notGate.gif");
private static final Icon toolIconRect = Icons.getIcon("notGateRect.gif");
private static final Icon toolIconDin = Icons.getIcon("dinNotGate.gif");
public static InstanceFactory FACTORY = new NotGate();
private NotGate() {
super("NOT Gate", Strings.getter("notGateComponent"));
setAttributes(
new Attribute[] {
StdAttr.FACING,
StdAttr.WIDTH,
ATTR_SIZE,
GateAttributes.ATTR_OUTPUT,
StdAttr.LABEL,
StdAttr.LABEL_FONT,
},
new Object[] {
Direction.EAST,
BitWidth.ONE,
SIZE_WIDE,
GateAttributes.OUTPUT_01,
"",
StdAttr.DEFAULT_LABEL_FONT,
});
setFacingAttribute(StdAttr.FACING);
setKeyConfigurator(new BitWidthConfigurator(StdAttr.WIDTH));
}
@Override
public Bounds getOffsetBounds(AttributeSet attrs) {
Object value = attrs.getValue(ATTR_SIZE);
if (value == SIZE_NARROW) {
Direction facing = attrs.getValue(StdAttr.FACING);
if (facing == Direction.SOUTH) return Bounds.create(-9, -20, 18, 20);
if (facing == Direction.NORTH) return Bounds.create(-9, 0, 18, 20);
if (facing == Direction.WEST) return Bounds.create(0, -9, 20, 18);
return Bounds.create(-20, -9, 20, 18);
} else {
Direction facing = attrs.getValue(StdAttr.FACING);
if (facing == Direction.SOUTH) return Bounds.create(-9, -30, 18, 30);
if (facing == Direction.NORTH) return Bounds.create(-9, 0, 18, 30);
if (facing == Direction.WEST) return Bounds.create(0, -9, 30, 18);
return Bounds.create(-30, -9, 30, 18);
}
}
@Override
public void propagate(InstanceState state) {
Value in = state.getPort(1);
Value out = in.not();
out = Buffer.repair(state, out);
state.setPort(0, out, GateAttributes.DELAY);
}
//
// methods for instances
//
@Override
protected void configureNewInstance(Instance instance) {
configurePorts(instance);
instance.addAttributeListener();
String gateShape = AppPreferences.GATE_SHAPE.get();
configureLabel(instance, gateShape.equals(AppPreferences.SHAPE_RECTANGULAR), null);
}
@Override
protected void instanceAttributeChanged(Instance instance, Attribute<?> attr) {
if (attr == ATTR_SIZE || attr == StdAttr.FACING) {
instance.recomputeBounds();
configurePorts(instance);
String gateShape = AppPreferences.GATE_SHAPE.get();
configureLabel(instance, gateShape.equals(AppPreferences.SHAPE_RECTANGULAR), null);
}
}
private void configurePorts(Instance instance) {
Object size = instance.getAttributeValue(ATTR_SIZE);
Direction facing = instance.getAttributeValue(StdAttr.FACING);
int dx = size == SIZE_NARROW ? -20 : -30;
Port[] ports = new Port[2];
ports[0] = new Port(0, 0, Port.OUTPUT, StdAttr.WIDTH);
Location out = Location.create(0, 0).translate(facing, dx);
ports[1] = new Port(out.getX(), out.getY(), Port.INPUT, StdAttr.WIDTH);
instance.setPorts(ports);
}
@Override
protected Object getInstanceFeature(final Instance instance, Object key) {
if (key == ExpressionComputer.class) {
return new ExpressionComputer() {
public void computeExpression(Map<Location, Expression> expressionMap) {
Expression e = expressionMap.get(instance.getPortLocation(1));
if (e != null) {
expressionMap.put(instance.getPortLocation(0), Expressions.not(e));
}
}
};
}
return super.getInstanceFeature(instance, key);
}
//
// painting methods
//
@Override
public void paintIcon(InstancePainter painter) {
Graphics g = painter.getGraphics();
g.setColor(Color.black);
if (painter.getGateShape() == AppPreferences.SHAPE_RECTANGULAR) {
if (toolIconRect != null) {
toolIconRect.paintIcon(painter.getDestination(), g, 2, 2);
} else {
g.drawRect(0, 2, 16, 16);
GraphicsUtil.drawCenteredText(g, RECT_LABEL, 8, 8);
g.drawOval(16, 8, 4, 4);
}
} else if (painter.getGateShape() == AppPreferences.SHAPE_DIN40700) {
if (toolIconDin != null) {
toolIconDin.paintIcon(painter.getDestination(), g, 2, 2);
} else {
g.drawRect(0, 2, 16, 16);
GraphicsUtil.drawCenteredText(g, RECT_LABEL, 8, 8);
g.drawOval(16, 8, 4, 4);
}
} else {
if (toolIcon != null) {
toolIcon.paintIcon(painter.getDestination(), g, 2, 2);
} else {
int[] xp = new int[4];
int[] yp = new int[4];
xp[0] = 15;
yp[0] = 10;
xp[1] = 1;
yp[1] = 3;
xp[2] = 1;
yp[2] = 17;
xp[3] = 15;
yp[3] = 10;
g.drawPolyline(xp, yp, 4);
g.drawOval(15, 8, 4, 4);
}
}
}
@Override
public void paintGhost(InstancePainter painter) {
paintBase(painter);
}
@Override
public void paintInstance(InstancePainter painter) {
painter.getGraphics().setColor(Color.BLACK);
paintBase(painter);
painter.drawPorts();
painter.drawLabel();
}
private void paintBase(InstancePainter painter) {
Graphics g = painter.getGraphics();
Direction facing = painter.getAttributeValue(StdAttr.FACING);
Location loc = painter.getLocation();
int x = loc.getX();
int y = loc.getY();
g.translate(x, y);
double rotate = 0.0;
if (facing != null && facing != Direction.EAST && g instanceof Graphics2D) {
rotate = -facing.toRadians();
((Graphics2D) g).rotate(rotate);
}
Object shape = painter.getGateShape();
if (shape == AppPreferences.SHAPE_RECTANGULAR) {
paintRectangularBase(g, painter);
} else if (shape == AppPreferences.SHAPE_DIN40700) {
int width = painter.getAttributeValue(ATTR_SIZE) == SIZE_NARROW ? 20 : 30;
PainterDin.paintAnd(painter, width, 18, true);
} else {
PainterShaped.paintNot(painter);
}
if (rotate != 0.0) {
((Graphics2D) g).rotate(-rotate);
}
g.translate(-x, -y);
}
private void paintRectangularBase(Graphics g, InstancePainter painter) {
GraphicsUtil.switchToWidth(g, 2);
if (painter.getAttributeValue(ATTR_SIZE) == SIZE_NARROW) {
g.drawRect(-20, -9, 14, 18);
GraphicsUtil.drawCenteredText(g, RECT_LABEL, -13, 0);
g.drawOval(-6, -3, 6, 6);
} else {
g.drawRect(-30, -9, 20, 18);
GraphicsUtil.drawCenteredText(g, RECT_LABEL, -20, 0);
g.drawOval(-10, -5, 9, 9);
}
GraphicsUtil.switchToWidth(g, 1);
}
static void configureLabel(Instance instance, boolean isRectangular, Location control) {
Object facing = instance.getAttributeValue(StdAttr.FACING);
Bounds bds = instance.getBounds();
int x;
int y;
int halign;
if (facing == Direction.NORTH || facing == Direction.SOUTH) {
x = bds.getX() + bds.getWidth() / 2 + 2;
y = bds.getY() - 2;
halign = TextField.H_LEFT;
} else { // west or east
y = isRectangular ? bds.getY() - 2 : bds.getY();
if (control != null && control.getY() == bds.getY()) {
// the control line will get in the way
x = control.getX() + 2;
halign = TextField.H_LEFT;
} else {
x = bds.getX() + bds.getWidth() / 2;
halign = TextField.H_CENTER;
}
}
instance.setTextField(StdAttr.LABEL, StdAttr.LABEL_FONT, x, y, halign, TextField.V_BASELINE);
}
}
class GateAttributes extends AbstractAttributeSet {
static final int MAX_INPUTS = 32;
static final int DELAY = 1;
static final AttributeOption SIZE_NARROW =
new AttributeOption(Integer.valueOf(30), __("gateSizeNarrowOpt"));
static final AttributeOption SIZE_MEDIUM =
new AttributeOption(Integer.valueOf(50), __("gateSizeNormalOpt"));
static final AttributeOption SIZE_WIDE =
new AttributeOption(Integer.valueOf(70), __("gateSizeWideOpt"));
public static final Attribute<AttributeOption> ATTR_SIZE =
Attributes.forOption(
"size", __("gateSizeAttr"), new AttributeOption[] {SIZE_NARROW, SIZE_MEDIUM, SIZE_WIDE});
public static final Attribute<Integer> ATTR_INPUTS =
Attributes.forIntegerRange("inputs", __("gateInputsAttr"), 2, MAX_INPUTS);
static final AttributeOption XOR_ONE = new AttributeOption("1", __("xorBehaviorOne"));
static final AttributeOption XOR_ODD = new AttributeOption("odd", __("xorBehaviorOdd"));
public static final Attribute<AttributeOption> ATTR_XOR =
Attributes.forOption("xor", __("xorBehaviorAttr"), new AttributeOption[] {XOR_ONE, XOR_ODD});
static final AttributeOption OUTPUT_01 = new AttributeOption("01", __("gateOutput01"));
static final AttributeOption OUTPUT_0Z = new AttributeOption("0Z", __("gateOutput0Z"));
static final AttributeOption OUTPUT_Z1 = new AttributeOption("Z1", __("gateOutputZ1"));
public static final Attribute<AttributeOption> ATTR_OUTPUT =
Attributes.forOption(
"out", __("gateOutputAttr"), new AttributeOption[] {OUTPUT_01, OUTPUT_0Z, OUTPUT_Z1});
Direction facing = Direction.EAST;
BitWidth width = BitWidth.ONE;
AttributeOption size = SIZE_NARROW;
int inputs = 2;
int negated = 0;
AttributeOption out = OUTPUT_01;
AttributeOption xorBehave;
String label = "";
Font labelFont = StdAttr.DEFAULT_LABEL_FONT;
GateAttributes(boolean isXor) {
xorBehave = isXor ? XOR_ONE : null;
}
@Override
protected void copyInto(AbstractAttributeSet dest) {
// nothing to do
;
}
@Override
public List<Attribute<?>> getAttributes() {
return new GateAttributeList(this);
}
@Override
@SuppressWarnings("unchecked")
public <V> V getValue(Attribute<V> attr) {
if (attr == StdAttr.FACING) return (V) facing;
if (attr == StdAttr.WIDTH) return (V) width;
if (attr == StdAttr.LABEL) return (V) label;
if (attr == StdAttr.LABEL_FONT) return (V) labelFont;
if (attr == ATTR_SIZE) return (V) size;
if (attr == ATTR_INPUTS) return (V) Integer.valueOf(inputs);
if (attr == ATTR_OUTPUT) return (V) out;
if (attr == ATTR_XOR) return (V) xorBehave;
if (attr instanceof NegateAttribute) {
int index = ((NegateAttribute) attr).index;
int bit = (negated >> index) & 1;
return (V) Boolean.valueOf(bit == 1);
}
return null;
}
@Override
public <V> void setValue(Attribute<V> attr, V value) {
if (attr == StdAttr.WIDTH) {
width = (BitWidth) value;
int bits = width.getWidth();
int mask = bits >= 32 ? -1 : ((1 << inputs) - 1);
negated &= mask;
} else if (attr == StdAttr.FACING) {
facing = (Direction) value;
} else if (attr == StdAttr.LABEL) {
label = (String) value;
} else if (attr == StdAttr.LABEL_FONT) {
labelFont = (Font) value;
} else if (attr == ATTR_SIZE) {
size = (AttributeOption) value;
} else if (attr == ATTR_INPUTS) {
inputs = ((Integer) value).intValue();
fireAttributeListChanged();
} else if (attr == ATTR_XOR) {
xorBehave = (AttributeOption) value;
} else if (attr == ATTR_OUTPUT) {
out = (AttributeOption) value;
} else if (attr instanceof NegateAttribute) {
int index = ((NegateAttribute) attr).index;
if (((Boolean) value).booleanValue()) {
negated |= 1 << index;
} else {
negated &= ~(1 << index);
}
} else {
throw new IllegalArgumentException("unrecognized argument");
}
fireAttributeValueChanged(attr, value);
}
}
public class PullResistor extends InstanceFactory {
public static final Attribute<AttributeOption> ATTR_PULL_TYPE =
Attributes.forOption(
"pull",
Strings.getter("pullTypeAttr"),
new AttributeOption[] {
new AttributeOption(Value.FALSE, "0", Strings.getter("pullZeroType")),
new AttributeOption(Value.TRUE, "1", Strings.getter("pullOneType")),
new AttributeOption(Value.ERROR, "X", Strings.getter("pullErrorType"))
});
public static final PullResistor FACTORY = new PullResistor();
private static final Icon ICON_SHAPED = Icons.getIcon("pullshap.gif");
private static final Icon ICON_RECTANGULAR = Icons.getIcon("pullrect.gif");
public PullResistor() {
super("Pull Resistor", Strings.getter("pullComponent"));
setAttributes(
new Attribute[] {StdAttr.FACING, ATTR_PULL_TYPE},
new Object[] {Direction.SOUTH, ATTR_PULL_TYPE.parse("0")});
setFacingAttribute(StdAttr.FACING);
}
@Override
public Bounds getOffsetBounds(AttributeSet attrs) {
Direction facing = attrs.getValue(StdAttr.FACING);
if (facing == Direction.EAST) {
return Bounds.create(-42, -6, 42, 12);
} else if (facing == Direction.WEST) {
return Bounds.create(0, -6, 42, 12);
} else if (facing == Direction.NORTH) {
return Bounds.create(-6, 0, 12, 42);
} else {
return Bounds.create(-6, -42, 12, 42);
}
}
//
// graphics methods
//
@Override
public void paintIcon(InstancePainter painter) {
Icon icon;
if (painter.getGateShape() == AppPreferences.SHAPE_SHAPED) {
icon = ICON_SHAPED;
} else {
icon = ICON_RECTANGULAR;
}
icon.paintIcon(painter.getDestination(), painter.getGraphics(), 2, 2);
}
@Override
public void paintGhost(InstancePainter painter) {
Value pull = getPullValue(painter.getAttributeSet());
paintBase(painter, pull, null, null);
}
@Override
public void paintInstance(InstancePainter painter) {
Location loc = painter.getLocation();
int x = loc.getX();
int y = loc.getY();
Graphics g = painter.getGraphics();
g.translate(x, y);
Value pull = getPullValue(painter.getAttributeSet());
Value actual = painter.getPort(0);
paintBase(painter, pull, pull.getColor(), actual.getColor());
g.translate(-x, -y);
painter.drawPorts();
}
private void paintBase(InstancePainter painter, Value pullValue, Color inColor, Color outColor) {
boolean color = painter.shouldDrawColor();
Direction facing = painter.getAttributeValue(StdAttr.FACING);
Graphics g = painter.getGraphics();
Color baseColor = g.getColor();
GraphicsUtil.switchToWidth(g, 3);
if (color && inColor != null) g.setColor(inColor);
if (facing == Direction.EAST) {
GraphicsUtil.drawText(
g, pullValue.toDisplayString(), -32, 0, GraphicsUtil.H_RIGHT, GraphicsUtil.V_CENTER);
} else if (facing == Direction.WEST) {
GraphicsUtil.drawText(
g, pullValue.toDisplayString(), 32, 0, GraphicsUtil.H_LEFT, GraphicsUtil.V_CENTER);
} else if (facing == Direction.NORTH) {
GraphicsUtil.drawText(
g, pullValue.toDisplayString(), 0, 32, GraphicsUtil.H_CENTER, GraphicsUtil.V_TOP);
} else {
GraphicsUtil.drawText(
g, pullValue.toDisplayString(), 0, -32, GraphicsUtil.H_CENTER, GraphicsUtil.V_BASELINE);
}
double rotate = 0.0;
if (g instanceof Graphics2D) {
rotate = Direction.SOUTH.toRadians() - facing.toRadians();
if (rotate != 0.0) ((Graphics2D) g).rotate(rotate);
}
g.drawLine(0, -30, 0, -26);
g.drawLine(-6, -30, 6, -30);
if (color && outColor != null) g.setColor(outColor);
g.drawLine(0, -4, 0, 0);
g.setColor(baseColor);
GraphicsUtil.switchToWidth(g, 2);
if (painter.getGateShape() == AppPreferences.SHAPE_SHAPED) {
int[] xp = {0, -5, 5, -5, 5, -5, 0};
int[] yp = {-25, -23, -19, -15, -11, -7, -5};
g.drawPolyline(xp, yp, xp.length);
} else {
g.drawRect(-5, -25, 10, 20);
}
if (rotate != 0.0) {
((Graphics2D) g).rotate(-rotate);
}
}
//
// methods for instances
//
@Override
protected void configureNewInstance(Instance instance) {
instance.addAttributeListener();
instance.setPorts(new Port[] {new Port(0, 0, Port.INOUT, BitWidth.UNKNOWN)});
}
@Override
protected void instanceAttributeChanged(Instance instance, Attribute<?> attr) {
if (attr == StdAttr.FACING) {
instance.recomputeBounds();
} else if (attr == ATTR_PULL_TYPE) {
instance.fireInvalidated();
}
}
@Override
public void propagate(InstanceState state) {
; // nothing to do - handled by CircuitWires
}
public static Value getPullValue(Instance instance) {
return getPullValue(instance.getAttributeSet());
}
private static Value getPullValue(AttributeSet attrs) {
AttributeOption opt = attrs.getValue(ATTR_PULL_TYPE);
return (Value) opt.getValue();
}
}
public class BitExtender extends InstanceFactory {
private static final Attribute<BitWidth> ATTR_IN_WIDTH =
Attributes.forBitWidth("in_width", Strings.getter("extenderInAttr"));
private static final Attribute<BitWidth> ATTR_OUT_WIDTH =
Attributes.forBitWidth("out_width", Strings.getter("extenderOutAttr"));
static final Attribute<AttributeOption> ATTR_TYPE =
Attributes.forOption(
"type",
Strings.getter("extenderTypeAttr"),
new AttributeOption[] {
new AttributeOption("zero", "zero", Strings.getter("extenderZeroType")),
new AttributeOption("one", "one", Strings.getter("extenderOneType")),
new AttributeOption("sign", "sign", Strings.getter("extenderSignType")),
new AttributeOption("input", "input", Strings.getter("extenderInputType")),
});
public static final BitExtender FACTORY = new BitExtender();
public BitExtender() {
super("Bit Extender", Strings.getter("extenderComponent"));
setIconName("extender.gif");
setAttributes(
new Attribute[] {ATTR_IN_WIDTH, ATTR_OUT_WIDTH, ATTR_TYPE},
new Object[] {BitWidth.create(8), BitWidth.create(16), ATTR_TYPE.parse("sign")});
setFacingAttribute(StdAttr.FACING);
setKeyConfigurator(
JoinedConfigurator.create(
new BitWidthConfigurator(ATTR_OUT_WIDTH),
new BitWidthConfigurator(ATTR_IN_WIDTH, 1, Value.MAX_WIDTH, 0)));
setOffsetBounds(Bounds.create(-40, -20, 40, 40));
}
//
// methods for instances
//
@Override
protected void configureNewInstance(Instance instance) {
configurePorts(instance);
instance.addAttributeListener();
}
private void configurePorts(Instance instance) {
Port p0 = new Port(0, 0, Port.OUTPUT, ATTR_OUT_WIDTH);
Port p1 = new Port(-40, 0, Port.INPUT, ATTR_IN_WIDTH);
String type = getType(instance.getAttributeSet());
if (type.equals("input")) {
instance.setPorts(new Port[] {p0, p1, new Port(-20, -20, Port.INPUT, 1)});
} else {
instance.setPorts(new Port[] {p0, p1});
}
}
private String getType(AttributeSet attrs) {
AttributeOption topt = attrs.getValue(ATTR_TYPE);
return (String) topt.getValue();
}
@Override
public boolean HDLSupportedComponent(String HDLIdentifier, AttributeSet attrs, char Vendor) {
if (MyHDLGenerator == null) MyHDLGenerator = new BitExtenderHDLGeneratorFactory();
return MyHDLGenerator.HDLTargetSupported(HDLIdentifier, attrs, Vendor);
}
@Override
protected void instanceAttributeChanged(Instance instance, Attribute<?> attr) {
if (attr == ATTR_TYPE) {
configurePorts(instance);
instance.fireInvalidated();
} else {
instance.fireInvalidated();
}
}
//
// graphics methods
//
@Override
public void paintInstance(InstancePainter painter) {
Graphics g = painter.getGraphics();
FontMetrics fm = g.getFontMetrics();
int asc = fm.getAscent();
painter.drawBounds();
String s0;
String type = getType(painter.getAttributeSet());
if (type.equals("zero")) s0 = Strings.get("extenderZeroLabel");
else if (type.equals("one")) s0 = Strings.get("extenderOneLabel");
else if (type.equals("sign")) s0 = Strings.get("extenderSignLabel");
else if (type.equals("input")) s0 = Strings.get("extenderInputLabel");
else s0 = "???"; // should never happen
String s1 = Strings.get("extenderMainLabel");
Bounds bds = painter.getBounds();
int x = bds.getX() + bds.getWidth() / 2;
int y0 = bds.getY() + (bds.getHeight() / 2 + asc) / 2;
int y1 = bds.getY() + (3 * bds.getHeight() / 2 + asc) / 2;
GraphicsUtil.drawText(g, s0, x, y0, GraphicsUtil.H_CENTER, GraphicsUtil.V_BASELINE);
GraphicsUtil.drawText(g, s1, x, y1, GraphicsUtil.H_CENTER, GraphicsUtil.V_BASELINE);
BitWidth w0 = painter.getAttributeValue(ATTR_OUT_WIDTH);
BitWidth w1 = painter.getAttributeValue(ATTR_IN_WIDTH);
painter.drawPort(0, "" + w0.getWidth(), Direction.WEST);
painter.drawPort(1, "" + w1.getWidth(), Direction.EAST);
if (type.equals("input")) painter.drawPort(2);
}
@Override
public void propagate(InstanceState state) {
Value in = state.getPortValue(1);
BitWidth wout = state.getAttributeValue(ATTR_OUT_WIDTH);
String type = getType(state.getAttributeSet());
Value extend;
if (type.equals("one")) {
extend = Value.TRUE;
} else if (type.equals("sign")) {
int win = in.getWidth();
extend = win > 0 ? in.get(win - 1) : Value.ERROR;
} else if (type.equals("input")) {
extend = state.getPortValue(2);
if (extend.getWidth() != 1) extend = Value.ERROR;
} else {
extend = Value.FALSE;
}
Value out = in.extendWidth(wout.getWidth(), extend);
state.setPort(0, out, 1);
}
}
public final class Wire implements Component, AttributeSet, CustomHandles, Iterable<Location> {
private class EndList extends AbstractList<EndData> {
@Override
public EndData get(int i) {
return getEnd(i);
}
@Override
public int size() {
return 2;
}
}
public static Wire create(Location e0, Location e1) {
return (Wire) cache.get(new Wire(e0, e1));
}
/** Stroke width when drawing wires. */
public static final int WIDTH = 3;
public static final int WIDTH_BUS = 4;
public static final int HIGHLIGHTED_WIDTH = 4;
public static final int HIGHLIGHTED_WIDTH_BUS = 5;
public static final double DOT_MULTIPLY_FACTOR =
1.35; /* multiply factor for the intersection points */
public static final AttributeOption VALUE_HORZ =
new AttributeOption("horz", Strings.getter("wireDirectionHorzOption"));
public static final AttributeOption VALUE_VERT =
new AttributeOption("vert", Strings.getter("wireDirectionVertOption"));
public static final Attribute<AttributeOption> dir_attr =
Attributes.forOption(
"direction",
Strings.getter("wireDirectionAttr"),
new AttributeOption[] {VALUE_HORZ, VALUE_VERT});
public static final Attribute<Integer> len_attr =
Attributes.forInteger("length", Strings.getter("wireLengthAttr"));
private static final List<Attribute<?>> ATTRIBUTES =
Arrays.asList(new Attribute<?>[] {dir_attr, len_attr});
private static final Cache cache = new Cache();
final Location e0;
final Location e1;
final boolean is_x_equal;
private boolean ShowAsMarked = false;
private Color MarkColor = Netlist.DRC_WIRE_MARK_COLOR;
private Wire(Location e0, Location e1) {
this.is_x_equal = e0.getX() == e1.getX();
if (is_x_equal) {
if (e0.getY() > e1.getY()) {
this.e0 = e1;
this.e1 = e0;
} else {
this.e0 = e0;
this.e1 = e1;
}
} else {
if (e0.getX() > e1.getX()) {
this.e0 = e1;
this.e1 = e0;
} else {
this.e0 = e0;
this.e1 = e1;
}
}
}
public void SetMarked(boolean Mark) {
ShowAsMarked = Mark;
}
public boolean IsSetAsMarked() {
return ShowAsMarked;
}
public void SetMarkColor(Color col) {
MarkColor = col;
}
public Color GetMarkColor() {
return MarkColor;
}
public void addAttributeListener(AttributeListener l) {}
//
// Component methods
//
// (Wire never issues ComponentEvents, so we don't need to track listeners)
public void addComponentListener(ComponentListener e) {}
//
// AttributeSet methods
//
// It makes some sense for a wire to be its own attribute, since
// after all it is immutable.
//
@Override
public Object clone() {
return this;
}
public boolean contains(Location q) {
int qx = q.getX();
int qy = q.getY();
if (is_x_equal) {
int wx = e0.getX();
return qx >= wx - 2 && qx <= wx + 2 && e0.getY() <= qy && qy <= e1.getY();
} else {
int wy = e0.getY();
return qy >= wy - 2 && qy <= wy + 2 && e0.getX() <= qx && qx <= e1.getX();
}
}
public boolean contains(Location pt, Graphics g) {
return contains(pt);
}
public boolean containsAttribute(Attribute<?> attr) {
return ATTRIBUTES.contains(attr);
}
public void draw(ComponentDrawContext context) {
CircuitState state = context.getCircuitState();
Graphics g = context.getGraphics();
GraphicsUtil.switchToWidth(g, WIDTH);
g.setColor(state.getValue(e0).getColor());
g.drawLine(e0.getX(), e0.getY(), e1.getX(), e1.getY());
}
public void drawHandles(ComponentDrawContext context) {
context.drawHandle(e0);
context.drawHandle(e1);
}
public boolean endsAt(Location pt) {
return e0.equals(pt) || e1.equals(pt);
}
@Override
public boolean equals(Object other) {
if (!(other instanceof Wire)) return false;
Wire w = (Wire) other;
return w.e0.equals(this.e0) && w.e1.equals(this.e1);
}
//
// user interface methods
//
public void expose(ComponentDrawContext context) {
java.awt.Component dest = context.getDestination();
int x0 = e0.getX();
int y0 = e0.getY();
dest.repaint(x0 - 5, y0 - 5, e1.getX() - x0 + 10, e1.getY() - y0 + 10);
}
public Attribute<?> getAttribute(String name) {
for (Attribute<?> attr : ATTRIBUTES) {
if (name.equals(attr.getName())) return attr;
}
return null;
}
public List<Attribute<?>> getAttributes() {
return ATTRIBUTES;
}
public AttributeSet getAttributeSet() {
return this;
}
public Bounds getBounds() {
int x0 = e0.getX();
int y0 = e0.getY();
return Bounds.create(x0 - 2, y0 - 2, e1.getX() - x0 + 5, e1.getY() - y0 + 5);
}
public Bounds getBounds(Graphics g) {
return getBounds();
}
public EndData getEnd(int index) {
Location loc = getEndLocation(index);
return new EndData(loc, BitWidth.UNKNOWN, EndData.INPUT_OUTPUT);
}
public Location getEnd0() {
return e0;
}
public Location getEnd1() {
return e1;
}
public Location getEndLocation(int index) {
return index == 0 ? e0 : e1;
}
//
// propagation methods
//
public List<EndData> getEnds() {
return new EndList();
}
public ComponentFactory getFactory() {
return WireFactory.instance;
}
public Object getFeature(Object key) {
if (key == CustomHandles.class) return this;
return null;
}
public int getLength() {
return (e1.getY() - e0.getY()) + (e1.getX() - e0.getX());
}
// location/extent methods
public Location getLocation() {
return e0;
}
public Location getOtherEnd(Location loc) {
return (loc.equals(e0) ? e1 : e0);
}
@SuppressWarnings("unchecked")
public <V> V getValue(Attribute<V> attr) {
if (attr == dir_attr) {
return (V) (is_x_equal ? VALUE_VERT : VALUE_HORZ);
} else if (attr == len_attr) {
return (V) Integer.valueOf(getLength());
} else {
return null;
}
}
@Override
public int hashCode() {
return e0.hashCode() * 31 + e1.hashCode();
}
public boolean isParallel(Wire other) {
return this.is_x_equal == other.is_x_equal;
}
public boolean isReadOnly(Attribute<?> attr) {
return true;
}
public boolean isToSave(Attribute<?> attr) {
return false;
}
//
// other methods
//
public boolean isVertical() {
return is_x_equal;
}
public Iterator<Location> iterator() {
return new WireIterator(e0, e1);
}
private boolean overlaps(Location q0, Location q1, boolean includeEnds) {
if (is_x_equal) {
int x0 = q0.getX();
if (x0 != q1.getX() || x0 != e0.getX()) return false;
if (includeEnds) {
return e1.getY() >= q0.getY() && e0.getY() <= q1.getY();
} else {
return e1.getY() > q0.getY() && e0.getY() < q1.getY();
}
} else {
int y0 = q0.getY();
if (y0 != q1.getY() || y0 != e0.getY()) return false;
if (includeEnds) {
return e1.getX() >= q0.getX() && e0.getX() <= q1.getX();
} else {
return e1.getX() > q0.getX() && e0.getX() < q1.getX();
}
}
}
public boolean overlaps(Wire other, boolean includeEnds) {
return overlaps(other.e0, other.e1, includeEnds);
}
public void propagate(CircuitState state) {
// Normally this is handled by CircuitWires, and so it won't get
// called. The exception is when a wire is added or removed
state.markPointAsDirty(e0);
state.markPointAsDirty(e1);
}
public void removeAttributeListener(AttributeListener l) {}
public void removeComponentListener(ComponentListener e) {}
public void setReadOnly(Attribute<?> attr, boolean value) {
throw new UnsupportedOperationException();
}
public <V> void setValue(Attribute<V> attr, V value) {
throw new IllegalArgumentException("read only attribute");
}
public boolean sharesEnd(Wire other) {
return this.e0.equals(other.e0)
|| this.e1.equals(other.e0)
|| this.e0.equals(other.e1)
|| this.e1.equals(other.e1);
}
@Override
public String toString() {
return "Wire[" + e0 + "-" + e1 + "]";
}
}
