| TYPE | NAME | DESCRIPTION |
|---|---|---|
| STRING | brush_callback | The name of the callback registered for this popup |
| STRING | brush_name | The name of the brush to set as selected |
| FLOAT | opacity | The initial opacity of the brush |
| INT32 | spacing | The initial spacing of the brush (if < 0 then use brush default spacing) |
| INT32 | paint_mode | The initial paint mode: { NORMAL_MODE (0), DISSOLVE_MODE (1), BEHIND_MODE (2), MULTIPLY_MODE (3), SCREEN_MODE (4), OVERLAY_MODE (5), DIFFERENCE_MODE (6), ADDITION_MODE (7), SUBTRACT_MODE (8), DARKEN_ONLY_MODE (9), LIGHTEN_ONLY_MODE (10), HUE_MODE (11), SATURATION_MODE (12), COLOR_MODE (13), VALUE_MODE (14), DIVIDE_MODE (15) } |