#include #include // strlen() #include // exit() #include // toupper() #define SW 40 // screen width /* inputs and displays a chord on a piano keyboard (landscape view) programmed in C by boneSpider format: [A-G | a-g][#|' '|b][M|m|o|+] ex. E m GbM a#m Fbo Bb+ c + enharmonic equivalents chord chart: | M| m| #M| #m| bM| bm|#ob|#+b| -+---+---+---+---+---+---+---+---+ A| X | X | X | X | X | X |XXX|XXX| -+---+---+---+---+---+---+---+---+ B| X | X | X | X | X | X |XXX|XXX| -+---+---+---+---+---+---+---+---+ C| X | X | X | X | X | X |XXX|XXX| -+---+---+---+---+---+---+---+---+ D| X | X | X | X | X | X |XXX|XXX| -+---+---+---+---+---+---+---+---+ E| X | X | X | X | X | X |XXX|XXX| -+---+---+---+---+---+---+---+---+ F| X | X | X | X | X | X |XXX|XXX| -+---+---+---+---+---+---+---+---+ G| X | X | X | X | X | X |XXX|XXX| -+---+---+---+---+---+---+---+---+ X = tested on keyboard */ typedef struct { int root, third, fifth; } Note; Note note; char checkInput(char pitch[], char s_or_f[], char chord[], char p, char sf, char cq1); Note storeOutput(char caption[]); void topLine(); void blackKeys(int height, Note note, char keyValues[], char caption[]); int drawBlackKeys(int numKeys, Note note, char keyValues[], char keyPos[], char caption[], int height, int pos); void midLine(); void blackKeyFronts(int numKeys); void whiteKeys(int height, Note note, char keyValues[], char caption[]); void bottomLine(); void whiteKeyFronts(int numKeys); void spaces(int num); void pipebar(); void newline(); int main() { char p, sf, cq1; // pitch, sharp or flat, chord quality char pitch[] = "ABCDEFG "; // note name char s_or_f[] = "#b "; // accidental char chord[] = " M m o +"; // chord quality char keyValues[] = "C C#D D#E F F#G G#A A#B C C#D D#E F F#G G#A A#B C C#D D#E F F#G G#A A#B"; char caption[4]; printf("ex. [A-G | a-g][#|' '|b][M|m|o|+]\n"); printf("Enter pitch, accidental, type of chord: "); scanf("%1c%1c%1c", &p, &sf, &cq1); p = toupper(p); // capitalize pitch letter cq1 = checkInput(pitch, s_or_f, chord, p, sf, cq1); caption[0] = p; // assemble chord caption[1] = sf; caption[2] = cq1; caption[3] = '\0'; note = storeOutput(caption); puts(caption); topLine(); blackKeys(6, note, keyValues, caption); midLine(); whiteKeys(2, note, keyValues, caption); bottomLine(); // /* // error check ghostswitch newline(); printf("root = %d third = %d fifth = %d\n", note.root, note.third, note.fifth); printf("kV[root] = %c%c kV[3rd] = %c%c kV[5th] = %c%c\n", keyValues[2*note.root], keyValues[2*note.root+1], keyValues[2*note.third], keyValues[2*note.third+1], keyValues[2*note.fifth], keyValues[2*note.fifth+1]); // */ return 0; } /****************************************/ char checkInput(char pitch[], char s_or_f[], char chord[], char p, char sf, char cq1) { int i = 0; while (i= 11) || (note.root <= 23)) && (note.fifth != 18) && (caption[2] != 'o') && (caption[2] != '+')) printf(" %c |", keyValues[2*note.fifth]); else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == ' ') && (caption[2] == '+') && (note.root == 9)) printf(" %c# |", keyValues[2*note.fifth-2]); // A + else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == '#') && (note.root == 10) && (caption[2] != 'o') && (caption[2] != '+')) printf(" %c# |", keyValues[2*note.fifth-2]); // A#M, A#m else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == '#') && (caption[2] == 'o') && (note.root == 10)) printf(" %c |", keyValues[2*note.fifth]); // A#o else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == 'b') && (caption[2] == 'o') && (note.root == 8)) printf("%cbb |", keyValues[2*note.fifth+4]); // Abo else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == 'b') && (caption[2] == '+') && (note.root == 8)) printf(" %c |", keyValues[2*note.fifth]); // Ab+ else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == '#') && (caption[2] != 'o') && (caption[2] != '+') && (note.root == 12)) printf(" %cx |", keyValues[2*note.fifth-2]); // B#M, B#m else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == 'b') && (caption[2] == '+') && (note.root == 10)) printf(" |"); // Bb+ else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == ' ') && (caption[2] == 'o') && (note.root == 11)) printf(" %c |", keyValues[2*note.fifth]); // B o else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == ' ') && (caption[2] == '+') && (note.root == 11)) printf(" %cx |", keyValues[2*note.fifth-2]); // B + else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == 'b') && (caption[2] == 'o') && (note.root == 10)) printf(" %cb |", keyValues[2*note.fifth+2]); // Bbo else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == 'b') && (note.root == 10)) printf(" %c |", keyValues[2*note.fifth]); else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == 'b') && (caption[2] == 'o') && (note.root == 11)) printf("%cbb |", keyValues[2*note.fifth+4]); // Cbo else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == 'b') && (caption[2] == '+') && (note.root == 11)) printf(" %c |", keyValues[2*note.fifth]); // Cb+ else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == '#') && (caption[2] == 'o') && (note.root == 13)) printf(" %c |", keyValues[2*note.fifth]); // C#o else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == '#') && (caption[2] == '+') && (note.root == 13)) printf(" %cx |", keyValues[2*note.fifth-2]); // C#+ else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == '#') && (caption[2] == 'o') && (note.root == 3)) printf(" %c |", keyValues[2*note.fifth]); // D#o else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == '#') && (caption[2] == '+') && (note.root == 3)) printf(" %cx |", keyValues[2*note.fifth-2]); // D#+ else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[2] == 'o') && (note.root == 1)) printf("%cbb |", keyValues[2*note.fifth+4]); // Dbo else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == 'b') && (caption[2] == '+') && (note.root == 1)) printf(" %c |", keyValues[2*note.fifth]); // Db+ else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == ' ') && (caption[2] == '+') && (note.root == 4)) printf(" %c# |", keyValues[2*note.fifth-2]); // E + else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == '#') && (caption[2] == 'o') && (note.root == 5)) printf(" %c |", keyValues[2*note.fifth]); // E#o else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == '#') && (caption[2] == '+') && (note.root == 5)) printf(" |"); // E#+ else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == '#') && (caption[2] != 'o') && (note.root == 5)) printf(" %c# |", keyValues[2*note.fifth-2]); // E#M, E#m else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[2] == 'o') && (note.root == 3)) printf("%cbb |", keyValues[2*note.fifth+4]); // Ebo else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == 'b') && (caption[2] == '+') && (note.root == 3)) printf(" %c |", keyValues[2*note.fifth]); // Eb+ else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == 'b') && (caption[2] != 'o') && (caption[2] != '+') && (note.root == 4)) printf(" %cb |", keyValues[2*note.fifth+2]); // FbM, Fbm else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == 'b') && (caption[2] == '+') && (note.root == 4)) printf(" %c |", keyValues[2*note.fifth]); // Fb+ else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[2] == 'o') && (note.root == 5)) printf(" %cb |", keyValues[2*note.fifth+2]); // F o else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == '#') && (caption[2] == 'o') && (note.root == 6)) printf(" %c |", keyValues[2*note.fifth]); // F#o else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == '#') && (caption[2] == '+') && (note.root == 6)) printf(" %cx |", keyValues[2*note.fifth-2]); // F#+ else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == '#') && (caption[2] == 'o') && (note.root == 8)) printf(" %c |", keyValues[2*note.fifth]); // G#o else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == '#') && (caption[2] == '+') && (note.root == 8)) printf(" %cx |", keyValues[2*note.fifth-2]); // G#+ else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == 'b') && (caption[2] == 'o') && (note.root == 6)) printf(" %cbb|", keyValues[2*note.fifth+4]); // Gbo else if ((j) && (keyValues[2*note.fifth] == keyPos[i]) && (caption[1] == 'b') && (caption[2] == '+') && (note.root == 6)) printf(" %c |", keyValues[2*note.fifth]); // Gb+ else printf("%4c|", ' '); newline(); } } /****************************************/ void bottomLine() { int i, j; for (i=0; i<2*SW/4-6; i++) { pipebar(); for (j=0; j<4; j++) putchar('_'); } pipebar(); newline(); whiteKeyFronts(14); } /****************************************/ void whiteKeyFronts(int numKeys) { int i, j, width = 4; char fwdSlash = '/'; spaces(1); putchar('\\'); for (j=0; j

keyboardChords.c