SegmentFigure.cc

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/*
    Copyright (c) 2002-2010 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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    copy of this software and associated documentation files (the "Software"),
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    Software is furnished to do so, subject to the following conditions:
 
    The above copyright notice and this permission notice shall be included in
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 */
/**
 * @file SegmentFigure.cc
 *
 * Definition of SegmentFigure class.
 *
 * @author Ari Metsähalme 2003 (ari.metsahalme-no.spam-tut.fi)
 * @author Pekka Jääskeläinen 2010
 * @note rating: yellow
 * @note reviewed Jul 27 2004 by ml, pj, am
 */
 
#include "SegmentFigure.hh"
#include "MachineCanvasLayoutConstraints.hh"
#include "MathTools.hh"
 
const wxColour SegmentFigure::DEFAULT_COLOUR = wxColour(0, 0, 0);
 
 
/**
 * The Constructor.
 */
SegmentFigure::SegmentFigure(int bitWidth): Figure(), last_(false) {
    minSize_ = wxSize(
    MachineCanvasLayoutConstraints::BUS_MIN_WIDTH,
    MachineCanvasLayoutConstraints::SEGMENT_HEIGHT_BASE+
    std::max(0,MathTools::requiredBits(bitWidth)-2) +
    bitWidth/63);
    size_ = minSize_;
}
 
/**
 * The Destructor.
 */
SegmentFigure::~SegmentFigure() {
}
 
/**
 * Draws the segment's Figure on the given device context.
 *
 * @param dc The device context.
 */
void
SegmentFigure::drawSelf(wxDC* dc) {
 
    wxPen pen = wxPen(DEFAULT_COLOUR, 1, wxSOLID);
    wxBrush brush = wxBrush(DEFAULT_COLOUR, wxSOLID);
    if (highlighted_) {
    pen = wxPen(highlight_, 1, wxSOLID);
    brush = wxBrush(highlight_, wxSOLID);
    }
 
    dc->SetPen(pen);
    dc->SetBrush(brush);
 
    if (!last_) {
 
    // draw arrow 
    const int arrowSize = 8;
    wxPoint arrowPoints[3];
    arrowPoints[0] = wxPoint(
        location_.x + size_.GetWidth() - arrowSize,
        location_.y - arrowSize / 2 + size_.GetHeight() / 2);
    arrowPoints[1] = wxPoint(
        arrowPoints[0].x + arrowSize, arrowPoints[0].y + arrowSize / 2);
    arrowPoints[2] = wxPoint(
        arrowPoints[0].x, arrowPoints[0].y + arrowSize);
    dc->DrawPolygon(3, arrowPoints);    
    dc->DrawRectangle(
        location_.x, location_.y, size_.GetWidth() - arrowSize,
        size_.GetHeight());
 
    } else {
    dc->DrawRectangle(
        location_.x, location_.y, size_.GetWidth(), size_.GetHeight());
    }
}