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                            ## 3.5設置線條的屬性

FLTK支持設定線條的寬度和類型。

```
void fl_line_style(int style, int width=0, char* dashes=0)
```

style是以下幾種類型之一，默認的是FL_SOLID。

| FL_SOLID | -------  |
|:--- |:--- |
| FL_DASH | - - - -  |
| FL_DOT | .......  |
| FL_DASHDOT | - . - .  |
| FL_DASHDOTDOT | - .. -  |
| FL_CAP_FLAT |  |
| FL_CAP_ROUND |  |
| FL_CAP_SQUARE | (extends past end point 1/2 line width)  |
| FL_JOIN_MITER | (pointed)  |
| FL_JOIN_ROUND |  |
| FL_JOIN_BEVEL | (flat)  |

寬度是以象素值為單位，默認的0



                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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