// All dimensions are in pixels
TOOLTIP_CONSTANTS = {
    edge_size: 8, // The width of the edge images
    shift_down: 12, // The amount to shift the tooltip down so that the tip of the stem is aligned on the field
    min_height: 36, // Minimum height of a tooltip
    stem_shift: 18, // The amount to shift the stem down along the edge of the bubble
    stem_left_shift: 12, // The amount to shift the tooltip left to make room for the stem
    stem_size: 29 // The vertical height of the entire stem image
};