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 = imageVectorSymbol(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;
}
/*
* Function that render vector type symbols into UTFGrid.
*/
int utfgridRenderVectorSymbol(imageObj *img, double x, double y, symbolObj *symbol, symbolStyleObj * style)
{
UTFGridRenderer *r = UTFGRID_RENDERER(img);
double ox = symbol->sizex * 0.5;
double oy = symbol->sizey * 0.5;
/* utfvalue is set to 0 if the shape isn't in the table. */
if(r->utfvalue == 0) {
return MS_FAILURE;
}
/* Pathing the symbol */
mapserver::path_storage path = imageVectorSymbol(symbol);
/* Transformation to the right size/scale. */
mapserver::trans_affine mtx;
mtx *= mapserver::trans_affine_translation(-ox,-oy);
mtx *= mapserver::trans_affine_scaling(style->scale/r->utfresolution);
mtx *= mapserver::trans_affine_rotation(-style->rotation);
mtx *= mapserver::trans_affine_translation(x/r->utfresolution, y/r->utfresolution);
path.transform(mtx);
/* Rendering the symbol. */
utfgridRenderPath(img, path);
return MS_SUCCESS;
}
