MoveFigure.cc

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/*
    Copyright (c) 2002-2009 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
    Permission is hereby granted, free of charge, to any person obtaining a
    copy of this software and associated documentation files (the "Software"),
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    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.
 
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/**
 * @file MoveFigure.cc
 *
 * Implementation of MoveFigure class.
 *
 * @author Veli-Pekka Jääskeläinen 2005 (vjaaskel-no.spam-cs.tut.fi)
 * @note rating: red
 */
 
#include "MoveFigure.hh"
#include "MachineCanvasLayoutConstraints.hh"
 
const wxColour MoveFigure::DEFAULT_COLOUR = wxColour(255, 255, 0);
 
/**
 * The Constructor.
 *
 * @param bus Figure of the bus which transports the move.
 * @param source Figure of the source port of the move.
 * @param target Figure of the target port of the move.
 */
MoveFigure::MoveFigure(Figure* bus, Figure* source, Figure* target):
    Figure(), bus_(bus), source_(source), target_(target) {
 
        laidOut_ = true;
}
 
 
/**
 * The Destructor.
 */
MoveFigure::~MoveFigure() {
}
 
 
/**
 * Draws the move figure on a device context.
 *
 * @param dc Device context where to draw the figure.
 */
void
MoveFigure::drawSelf(wxDC* dc) {
 
    assert(bus_ != NULL);
 
    wxPen pen = wxPen(DEFAULT_COLOUR, 4, wxSOLID);
    wxBrush brush = wxBrush(DEFAULT_COLOUR, wxSOLID);
    dc->SetPen(pen);
    dc->SetBrush(brush);
 
    int offset = MachineCanvasLayoutConstraints::PORT_WIDTH / 2;
    int busY = bus_->location().y + bus_->bounds().GetHeight()/2;
 
    int sourceX = 0;
    int targetX = 0;
 
    // Draw source port -> bus line.
    if (source_ != NULL) {
        sourceX = source_->location().x + source_->bounds().GetWidth()/2;
        int sourceY = source_->location().y + offset * 2;
        dc->DrawLine(sourceX, sourceY, sourceX, busY);
        int size = std::max(
            std::min(source_->bounds().GetWidth(),
                     (MachineCanvasLayoutConstraints::BUS_SPACE-2)),
            (MachineCanvasLayoutConstraints::SOCKET_WIDTH));
        dc->DrawCircle(sourceX, busY, size/2);
    }
 
    // Draw bus -> target port line.
    if (target_ != NULL) {
        targetX = target_->location().x + target_->bounds().GetWidth()/2;
        int targetY = target_->location().y + offset * 2;
        dc->DrawLine(targetX, targetY, targetX, busY);
        int size = std::max(
            std::min(target_->bounds().GetWidth(),
                     (MachineCanvasLayoutConstraints::BUS_SPACE-2)),
            (MachineCanvasLayoutConstraints::SOCKET_WIDTH));
        dc->DrawCircle(targetX, busY, size/2);
    }
 
    // Draw line on the bus.
    if (target_ != NULL && source_ != NULL) {
        dc->DrawLine(sourceX, busY, targetX, busY);
    } else {
        // Source or target missing. Draw move over the whole bus.
        sourceX = bus_->location().x;
        targetX = bus_->location().x + bus_->bounds().GetWidth();
        dc->DrawLine(sourceX, busY, targetX, busY);
    }
}