void OutlineVectorizer::traceOutline(Node *initialNode)
{
Node *startNode = initialNode;
Node *node;
do {
if (!startNode)
break;
node = findOtherSide(startNode);
if (!node)
break;
double startDist2 = computeDistance2(startNode, node);
if (startDist2 > 0.1)
break;
startNode = startNode->m_next;
} while (startNode != initialNode);
if (!startNode)
return;
node = startNode;
std::vector<TThickPoint> points;
do {
node = node->m_next;
if (!node)
break;
node->m_visited = true;
points.push_back(TThickPoint(convert(node->m_pixel->m_pos), 0));
} while (node != startNode);
m_protoOutlines.push_back(points);
}
void TColorStyle::makeIcon(const TDimension &d) {
checkErrorsByGL;
TColorStyle *style = this->clone();
checkErrorsByGL;
TPaletteP tmpPalette = new TPalette();
checkErrorsByGL;
int id = tmpPalette->addStyle(style);
checkErrorsByGL;
int contextLx = pow(2.0, tceil(log((double)d.lx) / log(2.0)));
int contextLy = pow(2.0, tceil(log((double)d.ly) / log(2.0)));
TDimension dim(contextLx, contextLy);
TOfflineGL *glContext = TOfflineGL::getStock(dim);
checkErrorsByGL;
glContext->clear(TPixel32::White);
checkErrorsByGL;
TVectorImageP img = new TVectorImage;
checkErrorsByGL;
img->setPalette(tmpPalette.getPointer());
checkErrorsByGL;
std::vector<TThickPoint> points(3);
if (isRegionStyle() && !isStrokeStyle()) {
points[0] = TThickPoint(-55, -50, 1);
points[1] = TThickPoint(0, -60, 1);
points[2] = TThickPoint(55, -50, 1);
TStroke *stroke1 = new TStroke(points);
img->addStroke(stroke1);
points[0] = TThickPoint(50, -55, 1);
points[1] = TThickPoint(60, 0, 1);
points[2] = TThickPoint(50, 55, 1);
TStroke *stroke2 = new TStroke(points);
img->addStroke(stroke2);
points[0] = TThickPoint(55, 50, 1);
points[1] = TThickPoint(0, 60, 1);
points[2] = TThickPoint(-55, 50, 1);
TStroke *stroke3 = new TStroke(points);
img->addStroke(stroke3);
points[0] = TThickPoint(-50, 55, 1);
points[1] = TThickPoint(-60, 0, 1);
points[2] = TThickPoint(-50, -55, 1);
TStroke *stroke4 = new TStroke(points);
img->addStroke(stroke4);
img->fill(TPointD(0, 0), id);
} else if (isStrokeStyle() && !isRegionStyle()) {
double rasX05 = d.lx * 0.5;
double rasY05 = d.ly * 0.5;
points[0] = TThickPoint(-rasX05, -rasY05, 7);
points[1] = TThickPoint(0, -rasY05, 9);
points[2] = TThickPoint(rasX05, rasY05, 12);
TStroke *stroke1 = new TStroke(points);
stroke1->setStyle(id);
img->addStroke(stroke1);
points.clear();
} else if (!isRasterStyle()) {
assert(isStrokeStyle() && isRegionStyle());
points[0] = TThickPoint(-60, -30, 0.5);
points[1] = TThickPoint(0, -30, 0.5);
points[2] = TThickPoint(60, -30, 0.5);
TStroke *stroke1 = new TStroke(points);
stroke1->setStyle(id);
img->addStroke(stroke1);
points[0] = TThickPoint(60, -30, 0.5);
points[1] = TThickPoint(60, 0, 0.5);
points[2] = TThickPoint(60, 30, 0.5);
TStroke *stroke2 = new TStroke(points);
stroke2->setStyle(id);
img->addStroke(stroke2);
points[0] = TThickPoint(60, 30, 0.5);
points[1] = TThickPoint(0, 30, 0.5);
points[2] = TThickPoint(-60, 30, 0.5);
TStroke *stroke3 = new TStroke(points);
stroke3->setStyle(id);
img->addStroke(stroke3);
points[0] = TThickPoint(-60, 30, 0.5);
points[1] = TThickPoint(-60, 0, 0.5);
points[2] = TThickPoint(-60, -30, 0.5);
TStroke *stroke4 = new TStroke(points);
stroke4->setStyle(id);
img->addStroke(stroke4);
img->fill(TPointD(0, 0), id);
}
TRectD bbox = img->getBBox();
checkErrorsByGL;
bbox = bbox.enlarge(TDimensionD(-10, -10));
checkErrorsByGL;
double scx = 0.9 * d.lx / bbox.getLx();
double scy = 0.9 * d.ly / bbox.getLy();
double sc = std::min(scx, scy);
double dx = (d.lx - bbox.getLx() * sc) * 0.5;
double dy = (d.ly - bbox.getLy() * sc) * 0.5;
TAffine aff =
TScale(scx, scy) * TTranslation(-bbox.getP00() + TPointD(dx, dy));
checkErrorsByGL;
if (isRegionStyle() && !isStrokeStyle()) aff = aff * TTranslation(-10, -10);
checkErrorsByGL;
const TVectorRenderData rd(aff, TRect(), tmpPalette.getPointer(), 0, true);
checkErrorsByGL;
glContext->draw(img, rd);
checkErrorsByGL;
TRect rect(d);
if (!m_icon || m_icon->getSize() != d) {
checkErrorsByGL;
m_icon = glContext->getRaster()->extract(rect)->clone();
} else {
checkErrorsByGL;
m_icon->copy(glContext->getRaster()->extract(rect));
}
}
