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REBOL [ title: "Guitar Chord and Scale Diagrammer" date: 12-Jan-2014 file: %guitar-chord-and-scale-diagrammer.r author: Nick Antonaccio purpose: { A little example for the new tutorial at: When the program starts, enter the number of frets you want in your diagram. (The default is 5 frets, but you could use 3 or 4 for smaller diagrams, or more for full fretboard scale diagrams) Click any fret on any string to add a dot (finger position). Click any added dot to remove it (change it back to an empty position). Right-Click any fret on any string to add a character of your choice. (You could use this to add finger numbers, root note labels, interval labels, etc.) Click the title text ("Chord Name") to give the chord or scale a name. Right-Click the title to save the diagram to a .png image. (The default image file name is the title text entered above) } ] f: request-text/title/default "Number of frets in each diagram:" "5" g: [ backdrop white across origin 0x0 space 0x0 style s box 20x20 "|" font-size 20 font-color black shadow 0x0 [ face/text: either "|" = face/text ["O"] ["|"] ] [ face/text: request-text ] t: text 120x24 bold center font-size 18 "Chord Name" [ face/text: request-text ] [ attempt [ save/png request-file/save/only/file join t/text ".png" to-image p ] ] return ] loop to-integer f [append g [s s s s s s return]] view center-face p: layout g
halt ;; to terminate script if DO'ne from webpage