void GfxFillRect(int left, int top, int right, int bottom, int colour, FillRectMode mode = FILLRECT_OPAQUE);

void GfxFillPolygon(const std::vector<Point> &shape, int colour, FillRectMode mode = FILLRECT_OPAQUE);

void GfxDrawLine(int left, int top, int right, int bottom, int colour, int width = 1, int dash = 0);

void DrawBox(int x, int y, int dx1, int dy1, int dx2, int dy2, int dx3, int dy3);

Dimension GetStringBoundingBox(const char *str, FontSize start_fontsize = FS_NORMAL);

Dimension GetStringBoundingBox(StringID strid);

int GetStringHeight(const char *str, int maxw, FontSize fontsize = FS_NORMAL);

int GetStringHeight(StringID str, int maxw);

int GetStringLineCount(StringID str, int maxw);

Dimension GetStringMultiLineBoundingBox(StringID str, const Dimension &suggestion);

Dimension GetStringMultiLineBoundingBox(const char *str, const Dimension &suggestion);