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    Reference for unit 'Graph': VariablesΒΆ

    Variable Description
    Circle Draw a complete circle.
    ClearViewPort Clear the current viewport.
    DirectPutPixel Hook to directly draw a pixel on the screen.
    GetBkColor Return current background color.
    GetImage Return a copy of a screen area.
    GetPixel Return color of pixel.
    GetRGBPalette Hook to set a RGB palette entries.
    GetScanLine Hook to get a scan line from the screen.
    GraphFreeMemPtr Hook to free heap memory.
    GraphGetMemPtr Hook to get heap memory.
    HLine Hook to draw a solid horizontal line.
    ImageSize Return size to store image.
    InternalEllipse Hook to draw an ellipse.
    Line Draw a line between 2 points.
    OutTextXY Write text on the screen on given position.
    PatternLine Hook to draw a patterned line.
    PutImage Draw an in-memory image to the screen.
    PutPixel Draw a pixel on the screen.
    RestoreVideoState Hook to restore a saved video mode.
    SaveVideoState Hook to save the current video state.
    SetActivePage Set active graphical page.
    SetAllPalette Specify a complete new palette.
    SetBkColor Set background drawing color.
    SetRGBPalette Set palette entry using RGB value.
    SetVisualPage Set video page which is displayed.
    VLine Hook to draw a solid vertical line.