| 0,0 → 1,109 |
|---|
| #include "Gate_NOR.h" |
| |
| Gate_NOR::Gate_NOR(int gateID, gType type, int numInputs, int gateLevel) |
| : Gate_BASE(gateID, type, numInputs, gateLevel) |
| { |
| textRect = QRectF(BORDER_OFFSET * 1.2, BORDER_OFFSET, xSize - BORDER_OFFSET * 3, ySize - BORDER_OFFSET * 2); |
| } |
| |
| void Gate_NOR::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) |
| { |
| Q_UNUSED(widget); |
| Q_UNUSED(option); |
| |
| #ifdef _DEBUG |
| painter->save(); |
| painter->setPen((auxSelected) ? debugSelectedPen : debugPen); |
| painter->setBrush(debugBrush); |
| painter->drawRect(0, 0, xSize, ySize); |
| painter->drawRect(textRect); |
| if (numInputs < 2) { |
| painter->setPen(debugErrorPen); |
| painter->drawLine(0, 0, xSize, ySize); |
| painter->drawLine(xSize, 0, 0, ySize); |
| } |
| painter->restore(); |
| #endif |
| |
| if (auxSelected) painter->setPen(highlightedPen); |
| else painter->setPen(defaultPen); |
| painter->setBrush(defaultBrush); |
| |
| // Draw circles indicating I/O points |
| for (int i = 0; i < numInputs; i++) { |
| painter->drawEllipse(inputPoints[i], INPUT_CIRCLE_SIZE, INPUT_CIRCLE_SIZE); |
| } |
| painter->drawEllipse(outputPoint, INPUT_CIRCLE_SIZE, INPUT_CIRCLE_SIZE); |
| |
| // Draw gate outline |
| QRectF leftArcBox = QRectF(0, BORDER_OFFSET, BORDER_OFFSET + (numInputs * BORDER_OFFSET / 2), ySize - BORDER_OFFSET * 2); |
| leftArcBox.translate(BORDER_OFFSET - (BORDER_OFFSET + (numInputs * BORDER_OFFSET / 2)) / 2, 0); |
| painter->drawArc(leftArcBox, -90 * 16, 180 * 16); |
| |
| QRectF rightArcBox = QRectF(0, BORDER_OFFSET, 2 * (xSize - (BORDER_OFFSET * 2)) - BORDER_OFFSET * 2, ySize - (BORDER_OFFSET * 2)); |
| rightArcBox.translate(-xSize + BORDER_OFFSET * 4, 0); |
| painter->drawArc(rightArcBox, 0, 90 * 16); |
| painter->drawArc(rightArcBox, -90 * 16, 90 * 16); |
| |
| painter->drawEllipse(QPoint(xSize - BORDER_OFFSET - BORDER_OFFSET / 2, ySize / 2), BORDER_OFFSET / 2, BORDER_OFFSET / 2); |
| |
| // Draw I/O lines |
| int a = leftArcBox.width() / 2; |
| int b = leftArcBox.height() / 2; |
| QPointF arcCenter = leftArcBox.center(); |
| for (int i = 0; i < numInputs; i++) { |
| float xPt = sqrt((1 - pow(inputPoints[i].y() - arcCenter.y(), 2) / (b * b)) * (a * a)) + arcCenter.x(); |
| painter->drawLine(inputPoints[i], QPointF(xPt, inputPoints[i].y())); |
| } |
| painter->drawLine(outputPoint, QPointF(outputPoint.x() - BORDER_OFFSET, outputPoint.y())); |
| |
| // Draw text showing gate ID |
| painter->setPen(defaultPen); |
| painter->setFont(defaultFont); |
| painter->drawText(textRect, Qt::AlignCenter, QString::number(gateID)); |
| |
| // If enqueued, draw circle around gate ID |
| if (enqueued) { |
| painter->drawEllipse(textRect.center(), ENQUEUED_CIRCLE_WIDTH, ENQUEUED_CIRCLE_WIDTH); |
| } |
| } |
| |
| void Gate_NOR::simulateToOutput() |
| { |
| // Save initial values to compare to later |
| logicValue initValue = outputValue; |
| logicValue initFaultyValue = outputFaultyValue; |
| |
| // Compute new output values |
| bool undefined = false, undefinedFaulty = false; |
| bool allOnes = true, allOnesFaulty = true; |
| bool allZeros = true, allZerosFaulty = true; |
| for (int i = 0; i < numInputs; i++) { |
| if (inputValues[i] == logicValue_X) undefined = true; |
| if (inputValues[i] == logicValue_0) allOnes = false; |
| if (inputValues[i] == logicValue_1) allZeros = false; |
| |
| if (inputFaultyValues[i] == logicValue_X) undefinedFaulty = true; |
| if (inputFaultyValues[i] == logicValue_0) allOnesFaulty = false; |
| if (inputFaultyValues[i] == logicValue_1) allZerosFaulty = false; |
| } |
| |
| if (!allZeros) outputValue = logicValue_0; |
| else if (allZeros && undefined) outputValue = logicValue_X; |
| else if (allZeros) outputValue = logicValue_1; |
| else outputValue = logicValue_X; |
| |
| if (!allZerosFaulty) outputFaultyValue = logicValue_0; |
| else if (allZerosFaulty && undefinedFaulty) outputFaultyValue = logicValue_X; |
| else if (allZerosFaulty) outputFaultyValue = logicValue_1; |
| else outputFaultyValue = logicValue_X; |
| |
| // If outputs have changed, queue the connected gate for simulation |
| if (outputValue != initValue || outputFaultyValue != initFaultyValue) |
| emit enqueueSim(this); |
| |
| // Update connected wire values |
| for (int i = 0; i < gateOutputWires.size(); i++) { |
| gateOutputWires[i]->setValue(outputValue, outputFaultyValue, false); |
| } |
| } |