diff options
Diffstat (limited to 'src/linkgraph/linkgraph_gui.h')
| -rw-r--r-- | src/linkgraph/linkgraph_gui.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/linkgraph/linkgraph_gui.h b/src/linkgraph/linkgraph_gui.h index a933bfc68..93ec66629 100644 --- a/src/linkgraph/linkgraph_gui.h +++ b/src/linkgraph/linkgraph_gui.h @@ -56,11 +56,13 @@ public: window(w), widget_id(wid), cargo_mask(cargo_mask), company_mask(company_mask), scale(scale) {} - void RebuildCache(); - void Draw(const DrawPixelInfo *dpi) const; + void Draw(const DrawPixelInfo *dpi); void SetCargoMask(CargoTypes cargo_mask); void SetCompanyMask(uint32 company_mask); + /** Mark the linkgraph dirty to be rebuilt next time Draw() is called. */ + void SetDirty() { this->dirty = true; } + /** Get a bitmask of the currently shown cargoes. */ CargoTypes GetCargoMask() { return this->cargo_mask; } @@ -75,6 +77,7 @@ protected: LinkMap cached_links; ///< Cache for links to reduce recalculation. StationSupplyList cached_stations; ///< Cache for stations to be drawn. uint scale; ///< Width of link lines. + bool dirty; ///< Set if overlay should be rebuilt. Point GetStationMiddle(const Station *st) const; @@ -85,6 +88,7 @@ protected: bool IsLinkVisible(Point pta, Point ptb, const DrawPixelInfo *dpi, int padding = 0) const; bool IsPointVisible(Point pt, const DrawPixelInfo *dpi, int padding = 0) const; void GetWidgetDpi(DrawPixelInfo *dpi) const; + void RebuildCache(); static void AddStats(uint new_cap, uint new_usg, uint new_flow, bool new_shared, LinkProperties &cargo); static void DrawVertex(int x, int y, int size, int colour, int border_colour); |