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CanvasItem::draw_polyline Support thin polylines drawn using line strip

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This commit is contained in:
kleonc
2023-01-19 13:38:15 +01:00
parent 122106c844
commit 728c51e362
8 changed files with 51 additions and 19 deletions
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35
servers/rendering/renderer_canvas_cull.cpp
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@@ -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;