diff options
Diffstat (limited to 'servers/visual/visual_server_canvas.cpp')
| -rw-r--r-- | servers/visual/visual_server_canvas.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/servers/visual/visual_server_canvas.cpp b/servers/visual/visual_server_canvas.cpp index 31c09dc23d..0fed9cc961 100644 --- a/servers/visual/visual_server_canvas.cpp +++ b/servers/visual/visual_server_canvas.cpp @@ -416,6 +416,7 @@ void VisualServerCanvas::canvas_item_add_polyline(RID p_item, const Vector<Point ERR_FAIL_COND(!pline); pline->antialiased = p_antialiased; + pline->multiline = false; if (p_width <= 1) { pline->lines = p_points; @@ -486,6 +487,90 @@ void VisualServerCanvas::canvas_item_add_polyline(RID p_item, const Vector<Point canvas_item->commands.push_back(pline); } +void VisualServerCanvas::canvas_item_add_multiline(RID p_item, const Vector<Point2> &p_points, const Vector<Color> &p_colors, float p_width, bool p_antialiased) { + + ERR_FAIL_COND(p_points.size() < 2); + Item *canvas_item = canvas_item_owner.getornull(p_item); + ERR_FAIL_COND(!canvas_item); + + Item::CommandPolyLine *pline = memnew(Item::CommandPolyLine); + ERR_FAIL_COND(!pline); + + pline->antialiased = false; //todo + pline->multiline = true; + + // if (p_width <= 1) { + pline->lines = p_points; + pline->line_colors = p_colors; + if (pline->line_colors.size() == 0) { + pline->line_colors.push_back(Color(1, 1, 1, 1)); + } else if (pline->line_colors.size() > 1 && pline->line_colors.size() != pline->lines.size()) { + pline->line_colors.resize(1); + } +#if 0 +//width not yet + } else { + //make a trianglestrip for drawing the line... + Vector2 prev_t; + pline->triangles.resize(p_points.size() * 2); + if (p_antialiased) { + pline->lines.resize(p_points.size() * 2); + } + + if (p_colors.size() == 0) { + pline->triangle_colors.push_back(Color(1, 1, 1, 1)); + if (p_antialiased) { + pline->line_colors.push_back(Color(1, 1, 1, 1)); + } + } + if (p_colors.size() == 1) { + pline->triangle_colors = p_colors; + pline->line_colors = p_colors; + } else { + pline->triangle_colors.resize(pline->triangles.size()); + pline->line_colors.resize(pline->lines.size()); + } + + for (int i = 0; i < p_points.size(); i++) { + + Vector2 t; + if (i == p_points.size() - 1) { + t = prev_t; + } else { + t = (p_points[i + 1] - p_points[i]).normalized().tangent(); + if (i == 0) { + prev_t = t; + } + } + + Vector2 tangent = ((t + prev_t).normalized()) * p_width * 0.5; + + if (p_antialiased) { + pline->lines[i] = p_points[i] + tangent; + pline->lines[p_points.size() * 2 - i - 1] = p_points[i] - tangent; + if (pline->line_colors.size() > 1) { + pline->line_colors[i] = p_colors[i]; + pline->line_colors[p_points.size() * 2 - i - 1] = p_colors[i]; + } + } + + pline->triangles[i * 2 + 0] = p_points[i] + tangent; + pline->triangles[i * 2 + 1] = p_points[i] - tangent; + + if (pline->triangle_colors.size() > 1) { + + pline->triangle_colors[i * 2 + 0] = p_colors[i]; + pline->triangle_colors[i * 2 + 1] = p_colors[i]; + } + + prev_t = t; + } + } +#endif + canvas_item->rect_dirty = true; + canvas_item->commands.push_back(pline); +} + void VisualServerCanvas::canvas_item_add_rect(RID p_item, const Rect2 &p_rect, const Color &p_color) { Item *canvas_item = canvas_item_owner.getornull(p_item); |