Function agg2RenderVectorSymbol

mapagg.cpp:427–457

int agg2RenderVectorSymbol(imageObj *img, double x, double y,
        symbolObj *symbol, symbolStyleObj * style) {
    AGG2Renderer *r = AGG_RENDERER(img);
    double ox = symbol->sizex * 0.5;
    double oy = symbol->sizey * 0.5;

    mapserver::path_storage path = imageVectorSymbolAGG(symbol);
    mapserver::trans_affine mtx;
    mtx *= mapserver::trans_affine_translation(-ox,-oy);
    mtx *= mapserver::trans_affine_scaling(style->scale);
    mtx *= mapserver::trans_affine_rotation(-style->rotation);
    mtx *= mapserver::trans_affine_translation(x, y);
    path.transform(mtx);
    if (style->color) {
        r->m_rasterizer_aa.reset();
        r->m_rasterizer_aa.filling_rule(mapserver::fill_even_odd);
        r->m_rasterizer_aa.add_path(path);
        r->m_renderer_scanline.color(aggColor(style->color));
        mapserver::render_scanlines(r->m_rasterizer_aa, r->sl_poly, r->m_renderer_scanline);
    }
    if(style->outlinecolor) {
        r->m_rasterizer_aa.reset();
        r->m_rasterizer_aa.filling_rule(mapserver::fill_non_zero); 
        r->m_renderer_scanline.color(aggColor(style->outlinecolor));
        mapserver::conv_stroke<mapserver::path_storage> stroke(path);
        stroke.width(style->outlinewidth);
        r->m_rasterizer_aa.add_path(stroke);
        mapserver::render_scanlines(r->m_rasterizer_aa, r->sl_poly, r->m_renderer_scanline);
    }
    return MS_SUCCESS;
}

int agg2RenderPixmapSymbol(imageObj *img, double x, double y, symbolObj *symbol, symbolStyleObj * style) {
	AGG2Renderer *r = AGG_RENDERER(img);