void KmlRenderer::renderLine(imageObj*, shapeObj *p, strokeStyleObj *style)
{
if (p->numlines == 0)
return;
if (PlacemarkNode == NULL)
PlacemarkNode = createPlacemarkNode(LayerNode, NULL);
if (!PlacemarkNode)
return;
addLineStyleToList(style);
SymbologyFlag[Line] = 1;
/*p->index > CurrentDrawnShapeIndexneed to be reviewd. Added since the hight
level code caches shapes when rendering lines*/
if (CurrentDrawnShapeIndex == -1 || p->index > CurrentDrawnShapeIndex) {
xmlNodePtr geomNode = getGeomParentNode("LineString");
addAddRenderingSpecifications(geomNode);
addCoordsNode(geomNode, p->line[0].point, p->line[0].numpoints);
/* more than one line => MultiGeometry*/
if (p->numlines > 1) {
geomNode = getGeomParentNode("LineString"); // returns MultiGeom Node
for (int i=1; i<p->numlines; i++) {
xmlNodePtr lineStringNode = xmlNewChild(geomNode, NULL, BAD_CAST "LineString", NULL);
addAddRenderingSpecifications(lineStringNode);
addCoordsNode(lineStringNode, p->line[i].point, p->line[i].numpoints);
}
}
CurrentDrawnShapeIndex = p->index;
}
}
void KmlRenderer::renderGlyphs(imageObj *img, pointObj *labelpnt, char *text, double angle, colorObj *clr, colorObj *olcolor, int olwidth)
{
xmlNodePtr node;
if (PlacemarkNode == NULL)
PlacemarkNode = createPlacemarkNode(LayerNode, NULL);
if (!PlacemarkNode)
return;
memcpy(&LabelColor, clr, sizeof(colorObj));
SymbologyFlag[Label] = 1;
/*there is alaws a default name (layer.shapeid). Replace it*/
for (node = PlacemarkNode->children; node; node = node->next) {
if (node->type != XML_ELEMENT_NODE)
continue;
if (strcmp((char *)node->name, "name") == 0) {
xmlNodeSetContent(node, BAD_CAST text);
break;
}
}
/*xmlNewChild(PlacemarkNode, NULL, BAD_CAST "name", BAD_CAST text);*/
xmlNodePtr geomNode = getGeomParentNode("Point");
addAddRenderingSpecifications(geomNode);
pointObj pt;
pt.x = labelpnt->x;
pt.y = labelpnt->y;
addCoordsNode(geomNode, &pt, 1);
}
void KmlRenderer::renderPolygon(imageObj*, shapeObj *p, colorObj *color)
{
if (PlacemarkNode == NULL)
PlacemarkNode = createPlacemarkNode(LayerNode, NULL);
if (!PlacemarkNode)
return;
memcpy(&PolygonColor, color, sizeof(colorObj));
SymbologyFlag[Polygon] = 1;
if (p->index != CurrentDrawnShapeIndex) {
xmlNodePtr geomParentNode = getGeomParentNode("Polygon");
for (int i=0; i<p->numlines; i++) {
xmlNodePtr bdryNode = NULL;
if (i==0) /* __TODO__ check ring order*/
bdryNode = xmlNewChild(geomParentNode, NULL, BAD_CAST "outerBoundaryIs", NULL);
else
bdryNode = xmlNewChild(geomParentNode, NULL, BAD_CAST "innerBoundaryIs", NULL);
xmlNodePtr ringNode = xmlNewChild(bdryNode, NULL, BAD_CAST "LinearRing", NULL);
addAddRenderingSpecifications(ringNode);
addCoordsNode(ringNode, p->line[i].point, p->line[i].numpoints);
}
CurrentDrawnShapeIndex = p->index;
}
}
void KmlRenderer::renderSymbol(imageObj *img, double x, double y, symbolObj *symbol, symbolStyleObj *style)
{
if (PlacemarkNode == NULL)
PlacemarkNode = createPlacemarkNode(LayerNode, NULL);
if (!PlacemarkNode)
return;
snprintf(SymbolUrl, sizeof(SymbolUrl), "%s", lookupSymbolUrl(img, symbol, style));
SymbologyFlag[Symbol] = 1;
xmlNodePtr geomNode = getGeomParentNode("Point");
addAddRenderingSpecifications(geomNode);
pointObj pt;
pt.x = x; pt.y = y;
addCoordsNode(geomNode, &pt, 1);
}
