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guitar-chord-diagram-maker.r

Rebol [ title: "Guitar Chord Diagram Maker" date: 29-june-2008 file: %guitar-chord-diagram-maker.r purpose: { A demo program that creates, saves, and prints collections of guitar chord fretboard diagrams. Taken from the tutorial at http://musiclessonz.com/rebol_tutorial.html } ] fretboard: load 64#{ iVBORw0KGgoAAAANSUhEUgAAAFUAAABkCAIAAAB4sesFAAAACXBIWXMAAAsTAAAL EwEAmpwYAAAA2UlEQVR4nO3YQQqDQBAF0XTIwXtuNjfrLITs0rowGqbqbRWxEEL+ RFU9wJ53v8DN7Gezn81+NvvZXv3liLjmPX6n/4NL//72s9l/QGbWd5m53dbc8/kR uv5RJ/QvzH42+9nsZ7OfzX62nfOPzZzzyNUxxh8+qhfVHo94/rM49y+b/Wz2s9nP Zj+b/WzuX/cvmfuXzX42+9nsZ7OfzX4296/7l8z9y2Y/m/1s9rPZz2Y/m/vX/Uvm /mWzn81+NvvZ7Gezn8396/4l2/n+y6N/f/vZ7Gezn81+tjenRWXD3TC8nAAAAABJ RU5ErkJggg== } barimage: load 64#{ iVBORw0KGgoAAAANSUhEUgAAAEoAAAAFCAIAAABtvO2fAAAACXBIWXMAAAsTAAAL EwEAmpwYAAAAHElEQVR4nGNsaGhgGL6AaaAdQFsw6r2hDIa59wCf/AGKgzU3RwAA AABJRU5ErkJggg== } dot: load 64#{ iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAIAAAACUFjqAAAACXBIWXMAAAsTAAAL EwEAmpwYAAAAFElEQVR4nGNsaGhgwA2Y8MiNYGkA22EBlPG3fjQAAAAASUVORK5C YII= } movestyle: [ engage: func [face action event] [ if action = 'down [ face/data: event/offset remove find face/parent-face/pane face append face/parent-face/pane face ] if find [over away] action [ face/offset: face/offset + event/offset - face/data ] show face ] ] gui: [ backdrop white currentfretboard: image fretboard 255x300 currentbar: image barimage 240x15 feel movestyle text "INSTRUCTIONS:" underline text "Drag dots and other widgets onto the fretboard." across text "Resize the fretboard:" tab rotary "255x300" "170x200" "85x100" [ currentfretboard/size: to-pair value show currentfretboard switch value [ "255x300" [currentbar/size: 240x15 show currentbar] "170x200" [currentbar/size: 160x10 show currentbar] "85x100" [currentbar/size: 80x5 show currentbar] ] ] return button "Save Diagram" [ filename: to-file request-file/save/file "1.png" save/png filename to-image currentfretboard ] tab button "Print" [ filelist: sort request-file/title "Select image(s) to print:" html: copy "<html><body>" foreach file filelist [ append html rejoin [ {<img src="file:///} to-local-file file {">} ] ] append html [</body></html>] write %chords.html trim/auto html browse %chords.html ] ] loop 50 [append gui [at 275x50 image dot 30x30 feel movestyle]] loop 50 [append gui [at 275x100 image dot 20x20 feel movestyle]] loop 50 [append gui [at 275x140 image dot 10x10 feel movestyle]] loop 6 [append gui [at 273x165 text "X" bold feel movestyle]] loop 6 [append gui [at 273x185 text "O" bold feel movestyle]] view layout gui
halt ;; to terminate script if DO'ne from webpage