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); }