コード例 #1
0
ファイル: decodetrace.cpp プロジェクト: ntruchsess/pulseview
void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
	int h, double start, double end, int y, const ViewItemPaintParams &pp,
	int row_title_width) const
{
	const double top = y + .5 - h / 2;
	const double bottom = y + .5 + h / 2;
	const vector<QString> annotations = a.annotations();

	// If the two ends are within 1 pixel, draw a vertical line
	if (start + 1.0 > end) {
		p.drawLine(QPointF(start, top), QPointF(start, bottom));
		return;
	}

	const double cap_width = min((end - start) / 4, EndCapWidth);

	QPointF pts[] = {
		QPointF(start, y + .5f),
		QPointF(start + cap_width, top),
		QPointF(end - cap_width, top),
		QPointF(end, y + .5f),
		QPointF(end - cap_width, bottom),
		QPointF(start + cap_width, bottom)
	};

	p.drawConvexPolygon(pts, countof(pts));

	if (annotations.empty())
		return;

	const int ann_start = start + cap_width;
	const int ann_end = end - cap_width;

	const int real_start = std::max(ann_start, pp.left() + row_title_width);
	const int real_end = std::min(ann_end, pp.right());
	const int real_width = real_end - real_start;

	QRectF rect(real_start, y - h / 2, real_width, h);
	if (rect.width() <= 4)
		return;

	p.setPen(Qt::black);

	// Try to find an annotation that will fit
	QString best_annotation;
	int best_width = 0;

	for (const QString &a : annotations) {
		const int w = p.boundingRect(QRectF(), 0, a).width();
		if (w <= rect.width() && w > best_width)
			best_annotation = a, best_width = w;
	}

	if (best_annotation.isEmpty())
		best_annotation = annotations.back();

	// If not ellide the last in the list
	p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText(
		best_annotation, Qt::ElideRight, rect.width()));
}
コード例 #2
0
ファイル: decodetrace.cpp プロジェクト: ntruchsess/pulseview
void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a,
	QPainter &p, int h, const ViewItemPaintParams &pp, int y,
	size_t base_colour, int row_title_width) const
{
	double samples_per_pixel, pixels_offset;
	tie(pixels_offset, samples_per_pixel) =
		get_pixels_offset_samples_per_pixel();

	const double start = a.start_sample() / samples_per_pixel -
		pixels_offset;
	const double end = a.end_sample() / samples_per_pixel -
		pixels_offset;

	const size_t colour = (base_colour + a.format()) % countof(Colours);
	p.setPen(OutlineColours[colour]);
	p.setBrush(Colours[colour]);

	if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding)
		return;

	if (a.start_sample() == a.end_sample())
		draw_instant(a, p, h, start, y);
	else
		draw_range(a, p, h, start, end, y, pp,
			row_title_width);
}
コード例 #3
0
ファイル: trace.cpp プロジェクト: tSed/pulseview
void Trace::paint_axis(QPainter &p, const ViewItemPaintParams &pp, int y)
{
	p.setRenderHint(QPainter::Antialiasing, false);

	p.setPen(AxisPen);
	p.drawLine(QPointF(pp.left(), y), QPointF(pp.right(), y));

	p.setRenderHint(QPainter::Antialiasing, true);
}
コード例 #4
0
QRectF SignalScaleHandle::hit_box_rect(const ViewItemPaintParams &pp) const
{
	const int text_height = ViewItemPaintParams::text_height();
	const double x = -pp.pixels_offset() - text_height / 2;
	const double min_x = pp.left() + text_height;
	const double max_x = pp.right() - text_height * 2;
	return QRectF(min(max(x, min_x), max_x),
		owner_.get_visual_y() + owner_.scale_handle_offset() -
			text_height / 2,
		text_height, text_height);
}
コード例 #5
0
ファイル: trace.cpp プロジェクト: tSed/pulseview
void Trace::paint_back(QPainter &p, const ViewItemPaintParams &pp)
{
	if (coloured_bg_)
		p.setBrush(bgcolour_);
	else
		p.setBrush(bgcolour_state_ ? BrightGrayBGColour : DarkGrayBGColour);

	p.setPen(QPen(Qt::NoPen));

	const std::pair<int, int> extents = v_extents();

	const int x = 0;
	const int y = get_visual_y() + extents.first;
	const int w = pp.right() - pp.left();
	const int h = extents.second - extents.first;

	p.drawRect(x, y, w, h);
}