Пример #1
0
/**
 * @param brush brush info to send
 */
void SessionState::sendToolSelect(const dpcore::Brush& brush)
{
    host_->sendPacket( protocol::ToolSelect(
                           host_->localuser_,
                           brush.subpixel()?SUBPIXEL:0,
                           brush.blendingMode(),
                           encodeColor(brush.color(1), brush.opacity(1)),
                           encodeColor(brush.color(0), brush.opacity(0)),
                           brush.radius(1),
                           brush.radius(0),
                           qRound(brush.hardness(1)*255),
                           qRound(brush.hardness(0)*255),
                           brush.spacing()
                       )
                     );

}
Пример #2
0
protocol::MessagePtr brushToToolChange(int userid, int layer, const dpcore::Brush &brush)
{
	uint8_t mode = brush.subpixel() ? protocol::TOOL_MODE_SUBPIXEL : 0;
	mode |= brush.incremental() ? protocol::TOOL_MODE_INCREMENTAL : 0;

	return protocol::MessagePtr(new protocol::ToolChange(
		userid,
		layer,
		brush.blendingMode(),
		mode,
		brush.spacing(),
		brush.color(1.0).rgba(),
		brush.color(0.0).rgba(),
		brush.hardness(1.0) * 255,
		brush.hardness(0.0) * 255,
		brush.radius(1.0),
		brush.radius(0.0),
		brush.opacity(1.0) * 255,
		brush.opacity(0.0) * 255
	));
}
Пример #3
0
/**
 * @param from point from which the line begins
 * @param to point at which the line ends
 * @param brush brush to draw the line with
 */
void Preview::preview(const dpcore::Point& from, const dpcore::Point& to, const dpcore::Brush& brush)
{
	brush_ = brush;
	from_ = from;
	to_ = to;
	const int rad = brush.radius(to.pressure());
	QColor color = brush.color(to.pressure());
	QPen pen;
	if(rad==0) {
		pen.setWidth(1);
		color.setAlphaF(brush.opacity(to.pressure()));
	} else {
		pen.setWidth(rad*2);
		pen.setCapStyle(Qt::RoundCap);
		pen.setJoinStyle(Qt::RoundJoin);
		// Approximate brush transparency
		const qreal a = brush.opacity(to.pressure()) * rad * (1-brush.spacing()/100.0);
		color.setAlphaF(qMin(a, 1.0));
	}
	pen.setColor(color);
	initAppearance(pen);
}