| 0,0 → 1,89 |
|---|
| #include "Gate_DFF.h" |
| |
| Gate_DFF::Gate_DFF(int gateID, gType type, int numInputs, int gateLevel) |
| : Gate_BASE(gateID, type, numInputs, gateLevel) |
| { |
| // Override base gate to limit to one I/O point only |
| this->xSize = BASE_GATE_SIZE_X + ADDITONAL_INPUTS; |
| this->ySize = BASE_GATE_SIZE_Y + ADDITONAL_INPUTS * 2; |
| |
| QPointF point = QPointF(0, ADDITONAL_INPUTS * 2); |
| this->inputPoints[0] = point; |
| QPointF scenePoint = QPointF(this->scenePos().x(), this->scenePos().y() + ADDITONAL_INPUTS * 2); |
| this->gateInputPoints[0] = scenePoint; |
| |
| outputPoint = QPointF(this->xSize, ADDITONAL_INPUTS * 2); |
| gateOutputPoint = QPointF(this->scenePos().x() + this->xSize, this->scenePos().y() + ADDITONAL_INPUTS * 2); |
| |
| textRect = QRectF(BORDER_OFFSET, BORDER_OFFSET * 2, xSize - BORDER_OFFSET * 2, ySize - BORDER_OFFSET * 3); |
| } |
| |
| void Gate_DFF::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 != 1) { |
| 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 |
| painter->drawEllipse(inputPoints[0], INPUT_CIRCLE_SIZE, INPUT_CIRCLE_SIZE); |
| painter->drawEllipse(outputPoint, INPUT_CIRCLE_SIZE, INPUT_CIRCLE_SIZE); |
| |
| // Draw gate outline |
| QRectF rect = QRectF(BORDER_OFFSET, BORDER_OFFSET, xSize - BORDER_OFFSET * 2, ySize - BORDER_OFFSET * 2); |
| painter->drawRect(rect); |
| |
| painter->setFont(QFont("Consolas", 20)); |
| painter->drawText(QPointF(BORDER_OFFSET * 1.5, BORDER_OFFSET * 2.5), "D"); |
| painter->drawText(QPointF(xSize - BORDER_OFFSET * 2.5, BORDER_OFFSET * 2.5), "Q"); |
| |
| // Draw I/O lines |
| painter->drawLine(inputPoints[0], QPointF(inputPoints[0].x() + BORDER_OFFSET, inputPoints[0].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_DFF::simulateToOutput() |
| { |
| // Save initial values to compare to later |
| logicValue initValue = outputValue; |
| logicValue initFaultyValue = outputFaultyValue; |
| |
| // Compute new output values |
| outputValue = inputValues[0]; |
| outputFaultyValue = inputFaultyValues[0]; |
| |
| // 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); |
| } |
| } |