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WIP render settings

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jaseg 2021-01-27 01:26:54 +01:00
parent 5285b6dce8
commit 9711fabab7
9 changed files with 68 additions and 34 deletions
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9
src/vec_core.cpp
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@ -78,7 +78,7 @@ static void voronoi_relax_points(const jcv_diagram* diagram, jcv_point* points)
* 4. It scales each of these voronoi cell polygons to match the input images brightness at the spot covered by this
* cell.
*/
void gerbolyze::vectorize_image(cairo_t *cr, const pugi::xml_node &node, double min_feature_size_px, ClipperLib::Paths &clip_path, cairo_matrix_t &viewport_matrix, PolygonSink &sink) {
void gerbolyze::VoronoiVectorizer::vectorize_image(cairo_t *cr, const pugi::xml_node &node, ClipperLib::Paths &clip_path, cairo_matrix_t &viewport_matrix, PolygonSink &sink, double min_feature_size_px) {
/* Read XML node attributes */
auto x = usvg_double_attr(node, "x", 0.0);
auto y = usvg_double_attr(node, "y", 0.0);
@ -167,8 +167,8 @@ void gerbolyze::vectorize_image(cairo_t *cr, const pugi::xml_node &node, double
grayscale interpolation. Larger values -> better grayscale resolution,
larger cells. */
double center_distance = min_feature_size_px * 2.0 * (1.0 / (1.0-grayscale_overhead));
vector<d2p> *grid_centers = sample_poisson_disc(width, height, min_feature_size_px * 2.0 * 2.0);
/* TODO make these alternative grids available to callers */
vector<d2p> *grid_centers = get_sampler(m_grid_type)(width, height, center_distance);
//vector<d2p> *grid_centers = sample_poisson_disc(width, height, min_feature_size_px * 2.0 * 2.0);
//vector<d2p> *grid_centers = sample_hexgrid(width, height, center_distance);
//vector<d2p> *grid_centers = sample_squaregrid(width, height, center_distance);
@ -197,7 +197,8 @@ void gerbolyze::vectorize_image(cairo_t *cr, const pugi::xml_node &node, double
jcv_point *pts = reinterpret_cast<jcv_point *>(grid_centers->data()); /* hackety hack */
jcv_diagram_generate(grid_centers->size(), pts, &rect, 0, &diagram);
/* Relax points, i.e. wiggle them around a little bit to equalize differences between cell sizes a little bit. */
voronoi_relax_points(&diagram, pts);
if (m_relax)
voronoi_relax_points(&diagram, pts);
memset(&diagram, 0, sizeof(jcv_diagram));
jcv_diagram_generate(grid_centers->size(), pts, &rect, 0, &diagram);