Example #1
0
void SurfaceImpl::AlphaRectangle(PRectangle rc, int cornerSize,
                                 ColourAllocated fill, int alphaFill,
                                 ColourAllocated outline, int alphaOutline,
                                 int /*flags*/) {
#if wxUSE_GRAPHICS_CONTEXT
    wxGCDC dc(*(wxMemoryDC*)hdc);
    wxColour penColour(wxColourFromCAandAlpha(outline, alphaOutline));
    wxColour brushColour(wxColourFromCAandAlpha(fill, alphaFill));
    dc.SetPen(wxPen(penColour));
    dc.SetBrush(wxBrush(brushColour));
    dc.DrawRoundedRectangle(wxRectFromPRectangle(rc), cornerSize);
    return;
#else

#ifdef wxHAVE_RAW_BITMAP

    // TODO:  do something with cornerSize
    wxUnusedVar(cornerSize);
    
    int x, y;
    wxRect r = wxRectFromPRectangle(rc);
    wxBitmap bmp(r.width, r.height, 32);
    wxAlphaPixelData pixData(bmp);
    pixData.UseAlpha();

    // Set the fill pixels
    ColourDesired cdf(fill.AsLong());
    int red   = cdf.GetRed();
    int green = cdf.GetGreen();
    int blue  = cdf.GetBlue();

    wxAlphaPixelData::Iterator p(pixData);
    for (y=0; y<r.height; y++) {
        p.MoveTo(pixData, 0, y);
        for (x=0; x<r.width; x++) {
            p.Red()   = wxPy_premultiply(red,   alphaFill);
            p.Green() = wxPy_premultiply(green, alphaFill);
            p.Blue()  = wxPy_premultiply(blue,  alphaFill);
            p.Alpha() = alphaFill;
            ++p; 
        }
    }

    // Set the outline pixels
    ColourDesired cdo(outline.AsLong());
    red   = cdo.GetRed();
    green = cdo.GetGreen();
    blue  = cdo.GetBlue();
    for (x=0; x<r.width; x++) {
        p.MoveTo(pixData, x, 0);
        p.Red()   = wxPy_premultiply(red,   alphaOutline);
        p.Green() = wxPy_premultiply(green, alphaOutline);
        p.Blue()  = wxPy_premultiply(blue,  alphaOutline);
        p.Alpha() = alphaOutline;        
        p.MoveTo(pixData, x, r.height-1);
        p.Red()   = wxPy_premultiply(red,   alphaOutline);
        p.Green() = wxPy_premultiply(green, alphaOutline);
        p.Blue()  = wxPy_premultiply(blue,  alphaOutline);
        p.Alpha() = alphaOutline;        
    }

    for (y=0; y<r.height; y++) {
        p.MoveTo(pixData, 0, y);
        p.Red()   = wxPy_premultiply(red,   alphaOutline);
        p.Green() = wxPy_premultiply(green, alphaOutline);
        p.Blue()  = wxPy_premultiply(blue,  alphaOutline);
        p.Alpha() = alphaOutline;        
        p.MoveTo(pixData, r.width-1, y);
        p.Red()   = wxPy_premultiply(red,   alphaOutline);
        p.Green() = wxPy_premultiply(green, alphaOutline);
        p.Blue()  = wxPy_premultiply(blue,  alphaOutline);
        p.Alpha() = alphaOutline;        
    }
    
    // Draw the bitmap
    hdc->DrawBitmap(bmp, r.x, r.y, true);

#else
    wxUnusedVar(cornerSize);
    wxUnusedVar(alphaFill);
    wxUnusedVar(alphaOutline);
    RectangleDraw(rc, outline, fill);
#endif
#endif
}
Example #2
0
void
TimeInstantLayer::paint(View *v, QPainter &paint, QRect rect) const
{
    if (!m_model || !m_model->isOK()) return;

//    Profiler profiler("TimeInstantLayer::paint", true);

    int x0 = rect.left(), x1 = rect.right();

    long frame0 = v->getFrameForX(x0);
    long frame1 = v->getFrameForX(x1);

    SparseOneDimensionalModel::PointList points(m_model->getPoints
						(frame0, frame1));

    bool odd = false;
    if (m_plotStyle == PlotSegmentation && !points.empty()) {
	int index = m_model->getIndexOf(*points.begin());
	odd = ((index % 2) == 1);
    }

    paint.setPen(getBaseQColor());

    QColor brushColour(getBaseQColor());
    brushColour.setAlpha(100);
    paint.setBrush(brushColour);

    QColor oddBrushColour(brushColour);
    if (m_plotStyle == PlotSegmentation) {
	if (getBaseQColor() == Qt::black) {
	    oddBrushColour = Qt::gray;
	} else if (getBaseQColor() == Qt::darkRed) {
	    oddBrushColour = Qt::red;
	} else if (getBaseQColor() == Qt::darkBlue) {
	    oddBrushColour = Qt::blue;
	} else if (getBaseQColor() == Qt::darkGreen) {
	    oddBrushColour = Qt::green;
	} else {
	    oddBrushColour = oddBrushColour.light(150);
	}
	oddBrushColour.setAlpha(100);
    }

//    std::cerr << "TimeInstantLayer::paint: resolution is "
//	      << m_model->getResolution() << " frames" << std::endl;

    QPoint localPos;
    long illuminateFrame = -1;

    if (v->shouldIlluminateLocalFeatures(this, localPos)) {
	SparseOneDimensionalModel::PointList localPoints =
	    getLocalPoints(v, localPos.x());
	if (!localPoints.empty()) illuminateFrame = localPoints.begin()->frame;
    }
	
    int prevX = -1;
    int textY = v->getTextLabelHeight(this, paint);
    
    for (SparseOneDimensionalModel::PointList::const_iterator i = points.begin();
	 i != points.end(); ++i) {

	const SparseOneDimensionalModel::Point &p(*i);
	SparseOneDimensionalModel::PointList::const_iterator j = i;
	++j;

	int x = v->getXForFrame(p.frame);
	if (x == prevX && p.frame != illuminateFrame) continue;

	int iw = v->getXForFrame(p.frame + m_model->getResolution()) - x;
	if (iw < 2) {
	    if (iw < 1) {
		iw = 2;
		if (j != points.end()) {
		    int nx = v->getXForFrame(j->frame);
		    if (nx < x + 3) iw = 1;
		}
	    } else {
		iw = 2;
	    }
	}
		
	if (p.frame == illuminateFrame) {
	    paint.setPen(getForegroundQColor(v));
	} else {
	    paint.setPen(brushColour);
	}

	if (m_plotStyle == PlotInstants) {
	    if (iw > 1) {
		paint.drawRect(x, 0, iw - 1, v->height() - 1);
	    } else {
		paint.drawLine(x, 0, x, v->height() - 1);
	    }
	} else {

	    if (odd) paint.setBrush(oddBrushColour);
	    else paint.setBrush(brushColour);
	    
	    int nx;
	    
	    if (j != points.end()) {
		const SparseOneDimensionalModel::Point &q(*j);
		nx = v->getXForFrame(q.frame);
	    } else {
		nx = v->getXForFrame(m_model->getEndFrame());
	    }

	    if (nx >= x) {
		
		if (illuminateFrame != p.frame &&
		    (nx < x + 5 || x >= v->width() - 1)) {
		    paint.setPen(Qt::NoPen);
		}

		paint.drawRect(x, -1, nx - x, v->height() + 1);
	    }

	    odd = !odd;
	}

	paint.setPen(getBaseQColor());
	
	if (p.label != "") {

	    // only draw if there's enough room from here to the next point

	    int lw = paint.fontMetrics().width(p.label);
	    bool good = true;

	    if (j != points.end()) {
		int nx = v->getXForFrame(j->frame);
		if (nx >= x && nx - x - iw - 3 <= lw) good = false;
	    }

	    if (good) {
		paint.drawText(x + iw + 2, textY, p.label);
	    }
	}

	prevX = x;
    }
}