From b0919d560b1998d9cc4cf2dd955e4d38e39925ed Mon Sep 17 00:00:00 2001
From: "lane.wei" <lane.wei@bambulab.com>
Date: Wed, 24 Jul 2024 20:06:47 +0800
Subject: [PATCH] FIX: rendering: fix some rendering issues for plate

1. reset exclude areas when there is no triangles
2. set o1d size with no offset

jira: no-jira

Change-Id: Ic6add0db0a93a7a6b44fc59524d4e93543251957
---
 src/slic3r/GUI/PartPlate.cpp | 63 ++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/src/slic3r/GUI/PartPlate.cpp b/src/slic3r/GUI/PartPlate.cpp
index f67361063..62a4a0693 100644
--- a/src/slic3r/GUI/PartPlate.cpp
+++ b/src/slic3r/GUI/PartPlate.cpp
@@ -348,6 +348,69 @@ void PartPlate::calc_bounding_boxes() const {
 	}
 }
 
+void PartPlate::calc_triangles(const ExPolygon& poly)
+{
+	auto triangles =triangulate_expolygon_2f(poly, NORMALS_UP);
+    m_triangles.reset();
+	if (!m_triangles.init_model_from_poly(triangles, GROUND_Z))
+		BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << ":Unable to create plate triangles\n";
+}
+
+void PartPlate::calc_exclude_triangles(const ExPolygon& poly) {
+    if (poly.empty()) {
+        m_exclude_triangles.reset();
+        return;
+    }
+    auto triangles = triangulate_expolygon_2f(poly, NORMALS_UP);
+    m_exclude_triangles.reset();
+    if (!m_exclude_triangles.init_model_from_poly(triangles, GROUND_Z))
+		BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << ":Unable to create plate triangles\n";
+}
+
+void PartPlate::calc_gridlines(const ExPolygon& poly, const BoundingBox& pp_bbox) {
+	Polylines axes_lines, axes_lines_bolder;
+	int count = 0;
+	for (coord_t x = pp_bbox.min(0); x <= pp_bbox.max(0); x += scale_(10.0)) {
+		Polyline line;
+		line.append(Point(x, pp_bbox.min(1)));
+		line.append(Point(x, pp_bbox.max(1)));
+
+		if ( (count % 5) == 0 )
+			axes_lines_bolder.push_back(line);
+		else
+			axes_lines.push_back(line);
+		count ++;
+	}
+	count = 0;
+	for (coord_t y = pp_bbox.min(1); y <= pp_bbox.max(1); y += scale_(10.0)) {
+		Polyline line;
+		line.append(Point(pp_bbox.min(0), y));
+		line.append(Point(pp_bbox.max(0), y));
+		axes_lines.push_back(line);
+
+		if ( (count % 5) == 0 )
+			axes_lines_bolder.push_back(line);
+		else
+			axes_lines.push_back(line);
+		count ++;
+	}
+
+	// clip with a slightly grown expolygon because our lines lay on the contours and may get erroneously clipped
+	Lines gridlines = to_lines(intersection_pl(axes_lines, offset(poly, (float)SCALED_EPSILON)));
+	Lines gridlines_bolder = to_lines(intersection_pl(axes_lines_bolder, offset(poly, (float)SCALED_EPSILON)));
+
+	// append bed contours
+	Lines contour_lines = to_lines(poly);
+	std::copy(contour_lines.begin(), contour_lines.end(), std::back_inserter(gridlines));
+
+	m_gridlines.reset();
+	if (!m_gridlines.init_model_from_lines(gridlines, GROUND_Z))
+		BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << "Unable to create bed grid lines\n";
+    m_gridlines_bolder.reset();
+	if (!m_gridlines_bolder.init_model_from_lines(gridlines_bolder, GROUND_Z))
+		BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << "Unable to create bed grid lines\n";
+}
+
 void PartPlate::calc_height_limit() {
 	Lines3 bottom_h_lines, top_lines, top_h_lines, common_lines;
 	int shape_count = m_shape.size();