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| author | kleonc <9283098+kleonc@users.noreply.github.com> | 2023-01-19 13:38:15 +0100 |
|---|---|---|
| committer | kleonc <9283098+kleonc@users.noreply.github.com> | 2023-01-19 21:08:25 +0100 |
| commit | 728c51e3627a0f6d6ff60314b47b636221ffa4f2 (patch) | |
| tree | 42fddf31fc564919927f342fe722fb18cb5689c4 /servers/rendering/renderer_canvas_cull.cpp | |
| parent | 122106c8446046c58c65d96132b944089ebb5602 (diff) | |
| download | redot-engine-728c51e3627a0f6d6ff60314b47b636221ffa4f2.tar.gz | |
CanvasItem::draw_polyline Support thin polylines drawn using line strip
Diffstat (limited to 'servers/rendering/renderer_canvas_cull.cpp')
| -rw-r--r-- | servers/rendering/renderer_canvas_cull.cpp | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/servers/rendering/renderer_canvas_cull.cpp b/servers/rendering/renderer_canvas_cull.cpp index 4265ee5518..b9e3c4f303 100644 --- a/servers/rendering/renderer_canvas_cull.cpp +++ b/servers/rendering/renderer_canvas_cull.cpp @@ -821,6 +821,38 @@ void RendererCanvasCull::canvas_item_add_polyline(RID p_item, const Vector<Point Vector<int> indices; int point_count = p_points.size(); + + Item::CommandPolygon *pline = canvas_item->alloc_command<Item::CommandPolygon>(); + ERR_FAIL_COND(!pline); + + if (p_width < 0) { + if (p_antialiased) { + WARN_PRINT("Antialiasing is not supported for thin polylines drawn using line strips (`p_width < 0`)."); + } + + pline->primitive = RS::PRIMITIVE_LINE_STRIP; + + if (p_colors.size() == 1 || p_colors.size() == point_count) { + pline->polygon.create(indices, p_points, p_colors); + } else { + Vector<Color> colors; + if (p_colors.is_empty()) { + colors.push_back(color); + } else { + colors.resize(point_count); + Color *colors_ptr = colors.ptrw(); + for (int i = 0; i < point_count; i++) { + if (i < p_colors.size()) { + color = p_colors[i]; + } + colors_ptr[i] = color; + } + } + pline->polygon.create(indices, p_points, colors); + } + return; + } + int polyline_point_count = point_count * 2; bool loop = p_points[0].is_equal_approx(p_points[point_count - 1]); @@ -845,9 +877,6 @@ void RendererCanvasCull::canvas_item_add_polyline(RID p_item, const Vector<Point } } - Item::CommandPolygon *pline = canvas_item->alloc_command<Item::CommandPolygon>(); - ERR_FAIL_COND(!pline); - PackedColorArray colors; PackedVector2Array points; |