exit (1);
}
+typedef struct chord_signature
+{
+ int num_degrees;
+ modified_degree_t degrees[MAX_DEGREES];
+ const char *name;
+} chord_signature_t;
+
+/* XXX: The superscript rise value should be relative to the current
+ * font size. Best would be for pango to support this. See:
+ *
+ * https://bugzilla.gnome.org/show_bug.cgi?id=708780
+ *
+ * For now, these are emipirically-derived values that look reasonable
+ * at the default size that score.c is using to draw the staff. If the
+ * user scales the staff up or down then these will look wrong.
+ */
+
+#define SUP "<span font='33' rise='30000'>"
+#define PUS "</span>"
+
+chord_signature_t signatures[] = {
+ /* Octave */
+ { 1, {{1, 0}}, "P8" },
+
+ /* Intervals */
+ { 2, {{1, 0}, {2, -1}}, "m2" },
+ { 2, {{1, 0}, {2, 0}}, "M2" },
+ { 2, {{1, 0}, {3, -1}}, "m3" },
+ { 2, {{1, 0}, {3, 0}}, "M3" },
+ { 2, {{1, 0}, {4, 0}}, "P4" },
+ { 2, {{1, 0}, {5, -1}}, "Tri-tone" },
+ { 2, {{1, 0}, {5, 0}}, "P5" },
+ { 2, {{1, 0}, {6, -1}}, "m6" },
+ { 2, {{1, 0}, {6, 0}}, "M6" },
+ { 2, {{1, 0}, {7, -1}}, "m7" },
+ { 2, {{1, 0}, {7, 0}}, "M7" },
+
+ /* Triads */
+ { 3, {{1, 0}, {3, +1}, {5, 0}}, "sus" },
+ { 3, {{1, 0}, {3, 0}, {5, +1}}, SUP "+" PUS },
+ { 3, {{1, 0}, {3, 0}, {5, 0}}, "" },
+ { 3, {{1, 0}, {3, -1}, {5, 0}}, "m" },
+ { 3, {{1, 0}, {3, -1}, {5, -1}}, "°" },
+ { 3, {{1, 0}, {2, 0}, {5, 0}}, "msus2" },
+
+ /* Seventh chords with no 3rd */
+ { 3, {{1, 0}, {5, +1}, {7, 0}}, SUP "+M7" PUS },
+ { 3, {{1, 0}, {5, +1}, {7, -1}}, SUP "+7" PUS },
+ { 3, {{1, 0}, {5, 0}, {7, 0}}, "M7" },
+ { 3, {{1, 0}, {5, 0}, {7, -1}}, "7" },
+ { 3, {{1, 0}, {5, -1}, {7, -1}}, "7♭5" },
+
+ /* Seventh chords with no 5th */
+ { 3, {{1, 0}, {4, 0}, {7, 0}}, "M7sus" },
+ { 3, {{1, 0}, {4, 0}, {7, -1}}, "7sus" },
+ { 3, {{1, 0}, {3, 0}, {7, 0}}, "M7" },
+ { 3, {{1, 0}, {3, 0}, {7, -1}}, "7" },
+ { 3, {{1, 0}, {3, -1}, {7, 0}}, "m" SUP "M7" PUS },
+ { 3, {{1, 0}, {3, -1}, {7, -1}}, "m7" },
+ { 3, {{1, 0}, {2, 0}, {7, 0}}, "m" SUP "M7" PUS "sus2" },
+ { 3, {{1, 0}, {2, 0}, {7, -1}}, "m7sus2" },
+
+ /* Sixth chords */
+ { 4, {{1, 0}, {4, 0}, {5, 0}, {6, 0}}, "6sus" },
+ { 4, {{1, 0}, {3, 0}, {5, 0}, {6, 0}}, "6" }, /* Ambiguous with m7 */
+ { 4, {{1, 0}, {3, -1}, {5, 0}, {6, 0}}, "m6" },
+ { 4, {{1, 0}, {2, 0}, {5, 0}, {6, 0}}, "m6sus2" },
+
+ /* Seventh chords */
+ { 4, {{1, 0}, {4, 0}, {5, +1}, {7, 0}}, SUP "+M7" PUS "sus" },
+ { 4, {{1, 0}, {4, 0}, {5, +1}, {7, -1}}, SUP "+7" PUS "sus" },
+ { 4, {{1, 0}, {4, 0}, {5, 0}, {7, 0}}, "M7sus" },
+ { 4, {{1, 0}, {4, 0}, {5, 0}, {7, -1}}, "7sus" },
+ { 4, {{1, 0}, {4, 0}, {5, -1}, {7, -1}}, "7♭5sus" },
+ { 4, {{1, 0}, {3, 0}, {5, +1}, {7, 0}}, SUP "+M7" PUS },
+ { 4, {{1, 0}, {3, 0}, {5, +1}, {7, -1}}, SUP "+7" PUS },
+ { 4, {{1, 0}, {3, 0}, {5, 0}, {7, 0}}, "M7" },
+ { 4, {{1, 0}, {3, 0}, {5, 0}, {7, -1}}, "7" },
+ { 4, {{1, 0}, {3, 0}, {5, -1}, {7, -1}}, "7♭5" },
+ { 4, {{1, 0}, {3, -1}, {5, 0}, {7, 0}}, "m" SUP "M7" PUS },
+ { 4, {{1, 0}, {3, -1}, {5, 0}, {7, -1}}, "m7" },
+ { 4, {{1, 0}, {3, -1}, {5, -1}, {7, 0}}, "°" SUP "M7" PUS },
+ { 4, {{1, 0}, {3, -1}, {5, -1}, {7, -1}}, "𝆩" SUP "7" PUS },
+ { 4, {{1, 0}, {3, -1}, {5, -1}, {7, -2}}, "°" SUP "7" PUS },
+ { 4, {{1, 0}, {2, 0}, {5, 0}, {7, 0}}, "m" SUP "M7" PUS "sus2" },
+ { 4, {{1, 0}, {2, 0}, {5, 0}, {7, -1}}, "m7sus2" },
+ { 4, {{1, 0}, {2, 0}, {5, -1}, {7, 0}}, "°" SUP "M7" PUS "sus2" },
+ { 4, {{1, 0}, {2, 0}, {5, -1}, {7, -1}}, "𝆩" SUP "7" PUS "sus2" },
+ { 4, {{1, 0}, {2, 0}, {5, -1}, {7, -2}}, "°" SUP "7" PUS "sus2" }, /* Ambiguous with 7 */
+
+ /* The sorting for chords with degree higher than 9 is funny
+ * to keep the array in degree order after reducing each
+ * degree to an actual scale degree, (9 -> 2, 11 -> 4, 13 ->
+ * 6) */
+
+ /* Ninth chords voiced with no 5th */
+ { 4, {{1, 0}, {9, 0}, {4, 0}, {7, 0}}, "M9sus" },
+ { 4, {{1, 0}, {9, 0}, {4, 0}, {7, -1}}, "9sus" },
+ { 4, {{1, 0}, {9, 0}, {3, 0}, {7, 0}}, "M9" },
+ { 4, {{1, 0}, {9, 0}, {3, 0}, {7, -1}}, "9" },
+ { 4, {{1, 0}, {9, 0}, {3, -1}, {7, 0}}, "m" SUP "M9" PUS },
+ { 4, {{1, 0}, {9, 0}, {3, -1}, {7, -1}}, "m9" },
+ { 4, {{1, 0}, {9, -1}, {3, -1}, {7, -1}}, "m♭9" },
+ { 4, {{1, 0}, {9, 0}, {3, -1}, {6, 0}}, "m6/9" },
+ { 4, {{1, 0}, {9, -1}, {3, -1}, {6, 0}}, "m6/♭9" },
+
+ /* Sixth plus 9 */
+ { 5, {{1, 0}, {9, 0}, {3, 0}, {5, 0}, {6, 0}}, "6/9" },
+ { 5, {{1, 0}, {9, 0}, {3, -1}, {5, 0}, {6, 0}}, "m6/9" },
+ { 5, {{1, 0}, {9, -1}, {3, -1}, {5, 0}, {6, 0}}, "m6/♭9" },
+
+ /* Seventh plus altered 9 */
+ { 5, {{1, 0}, {9, +1}, {3, 0}, {5, 0}, {7, -1}}, "7♯9" },
+ { 5, {{1, 0}, {9, -1}, {3, 0}, {5, 0}, {7, -1}}, "7♭9" },
+ { 5, {{1, 0}, {9, +1}, {3, 0}, {5, -1}, {7, -1}}, "7♭5♯9" },
+ { 5, {{1, 0}, {9, -1}, {3, 0}, {5, -1}, {7, -1}}, "7♭5♭9" },
+
+ /* Ninth chords */
+ { 5, {{1, 0}, {9, 0}, {4, 0}, {5, +1}, {7, 0}}, SUP "+M9" PUS "sus" },
+ { 5, {{1, 0}, {9, 0}, {4, 0}, {5, +1}, {7, -1}}, SUP "+9" PUS "sus" },
+ { 5, {{1, 0}, {9, 0}, {4, 0}, {5, 0}, {7, 0}}, "M9sus" },
+ { 5, {{1, 0}, {9, 0}, {4, 0}, {5, 0}, {7, -1}}, "9sus" },
+ { 5, {{1, 0}, {9, 0}, {3, 0}, {5, +1}, {7, 0}}, SUP "+M9" PUS },
+ { 5, {{1, 0}, {9, 0}, {3, 0}, {5, +1}, {7, -1}}, SUP "+9" PUS },
+ { 5, {{1, 0}, {9, 0}, {3, 0}, {5, 0}, {7, 0}}, "M9" },
+ { 5, {{1, 0}, {9, 0}, {3, 0}, {5, 0}, {7, -1}}, "9" },
+ { 5, {{1, 0}, {9, 0}, {3, -1}, {5, 0}, {7, 0}}, "m" SUP "M9" PUS },
+ { 5, {{1, 0}, {9, 0}, {3, -1}, {5, 0}, {7, -1}}, "m9" },
+ { 5, {{1, 0}, {9, -1}, {3, -1}, {5, 0}, {7, -1}}, "m♭9" },
+ { 5, {{1, 0}, {9, 0}, {3, 0}, {5, -1}, {7, 0}}, "M9" SUP "♭5" PUS },
+ { 5, {{1, 0}, {9, 0}, {3, 0}, {5, -1}, {7, -1}}, "9" SUP "♭5" PUS },
+ { 5, {{1, 0}, {9, 0}, {3, -1}, {5, -1}, {7, 0}}, "m" SUP "M9♭5" PUS },
+ { 5, {{1, 0}, {9, 0}, {3, -1}, {5, -1}, {7, -1}}, "𝆩" SUP "9" PUS },
+ { 5, {{1, 0}, {9, -1}, {3, -1}, {5, -1}, {7, -1}}, "𝆩" SUP "♭9" PUS },
+ { 5, {{1, 0}, {9, 0}, {3, -1}, {5, -1}, {7, -2}}, "°" SUP "9" PUS },
+ { 5, {{1, 0}, {9, -1}, {3, -1}, {5, -1}, {7, -2}}, "°" SUP "♭9" PUS },
+
+ /* Eleventh chords */
+ { 6, {{1, 0}, {9, 0}, {3, 0}, {11, 0}, {5, +1}, {7, 0}}, SUP "+M11" PUS },
+ { 6, {{1, 0}, {9, 0}, {3, 0}, {11, 0}, {5, +1}, {7, -1}}, SUP "+11" PUS },
+ { 6, {{1, 0}, {9, 0}, {3, 0}, {11, 0}, {5, 0}, {7, 0}}, "M11" },
+ { 6, {{1, 0}, {9, 0}, {3, 0}, {11, 0}, {5, 0}, {7, -1}}, "11" },
+ { 6, {{1, 0}, {9, 0}, {3, -1}, {11, 0}, {5, 0}, {7, 0}}, "m" SUP "M11" PUS },
+ { 6, {{1, 0}, {9, 0}, {3, -1}, {11, 0}, {5, 0}, {7, -1}}, "m11" },
+ { 6, {{1, 0}, {9, -1}, {3, -1}, {11, 0}, {5, -1}, {7, -1}}, "𝆩" SUP "11" PUS },
+ { 6, {{1, 0}, {9, -1}, {3, -1}, {11, -1}, {5, -1}, {7, -2}}, "°" SUP "11" PUS }
+};
+
static void
scherzo_analyze_chord (scherzo_t *scherzo)
{
num_notes = note_group->num_notes;
- struct { modified_degree_t degrees[1]; const char *name; } octaves[] = {
- { {{1, 0}}, "P8" }
- };
-
- struct { modified_degree_t degrees[2]; const char *name; } intervals[] = {
- { {{1, 0}, {2, -1}}, "m2" },
- { {{1, 0}, {2, 0}}, "M2" },
- { {{1, 0}, {3, -1}}, "m3" },
- { {{1, 0}, {3, 0}}, "M3" },
- { {{1, 0}, {4, 0}}, "P4" },
- { {{1, 0}, {5, -1}}, "Tri-tone" },
- { {{1, 0}, {5, 0}}, "P5" },
- { {{1, 0}, {6, -1}}, "m6" },
- { {{1, 0}, {6, 0}}, "M6" },
- { {{1, 0}, {7, -1}}, "m7" },
- { {{1, 0}, {7, 0}}, "M7" }
- };
-
-/* XXX: The superscript rise value should be relative to the current
- * font size. Best would be for pango to support this. See:
- *
- * https://bugzilla.gnome.org/show_bug.cgi?id=708780
- *
- * For now, these are emipirically-derived values that look reasonable
- * at the default size that score.c is using to draw the staff. If the
- * user scales the staff up or down then these will look wrong.
- */
-
-#define SUP "<span font='33' rise='30000'>"
-#define PUS "</span>"
-
- struct { modified_degree_t degrees[3]; const char *name; } trichords[] = {
- /* Triads */
- { {{1, 0}, {3, +1}, {5, 0}}, "sus" },
- { {{1, 0}, {3, 0}, {5, +1}}, SUP "+" PUS },
- { {{1, 0}, {3, 0}, {5, 0}}, "" },
- { {{1, 0}, {3, -1}, {5, 0}}, "m" },
- { {{1, 0}, {3, -1}, {5, -1}}, "°" },
- { {{1, 0}, {2, 0}, {5, 0}}, "msus2" },
- /* Seventh chords with no 3rd */
- { {{1, 0}, {5, +1}, {7, 0}}, SUP "+M7" PUS },
- { {{1, 0}, {5, +1}, {7, -1}}, SUP "+7" PUS },
- { {{1, 0}, {5, 0}, {7, 0}}, "M7" },
- { {{1, 0}, {5, 0}, {7, -1}}, "7" },
- { {{1, 0}, {5, -1}, {7, -1}}, "7♭5" },
- /* Seventh chords with no 5th */
- { {{1, 0}, {4, 0}, {7, 0}}, "M7sus" },
- { {{1, 0}, {4, 0}, {7, -1}}, "7sus" },
- { {{1, 0}, {3, 0}, {7, 0}}, "M7" },
- { {{1, 0}, {3, 0}, {7, -1}}, "7" },
- { {{1, 0}, {3, -1}, {7, 0}}, "m" SUP "M7" PUS },
- { {{1, 0}, {3, -1}, {7, -1}}, "m7" },
- { {{1, 0}, {2, 0}, {7, 0}}, "m" SUP "M7" PUS "sus2" },
- { {{1, 0}, {2, 0}, {7, -1}}, "m7sus2" },
- };
-
- struct { modified_degree_t degrees[4]; const char *name; } tetrachords[] = {
- /* Sixth chords */
- { {{1, 0}, {4, 0}, {5, 0}, {6, 0}}, "6sus" },
- { {{1, 0}, {3, 0}, {5, 0}, {6, 0}}, "6" }, /* Ambiguous with m7 */
- { {{1, 0}, {3, -1}, {5, 0}, {6, 0}}, "m6" },
- { {{1, 0}, {2, 0}, {5, 0}, {6, 0}}, "m6sus2" },
- /* Seventh chords */
- { {{1, 0}, {4, 0}, {5, +1}, {7, 0}}, SUP "+M7" PUS "sus" },
- { {{1, 0}, {4, 0}, {5, +1}, {7, -1}}, SUP "+7" PUS "sus" },
- { {{1, 0}, {4, 0}, {5, 0}, {7, 0}}, "M7sus" },
- { {{1, 0}, {4, 0}, {5, 0}, {7, -1}}, "7sus" },
- { {{1, 0}, {4, 0}, {5, -1}, {7, -1}}, "7♭5sus" },
- { {{1, 0}, {3, 0}, {5, +1}, {7, 0}}, SUP "+M7" PUS },
- { {{1, 0}, {3, 0}, {5, +1}, {7, -1}}, SUP "+7" PUS },
- { {{1, 0}, {3, 0}, {5, 0}, {7, 0}}, "M7" },
- { {{1, 0}, {3, 0}, {5, 0}, {7, -1}}, "7" },
- { {{1, 0}, {3, 0}, {5, -1}, {7, -1}}, "7♭5" },
- { {{1, 0}, {3, -1}, {5, 0}, {7, 0}}, "m" SUP "M7" PUS },
- { {{1, 0}, {3, -1}, {5, 0}, {7, -1}}, "m7" },
- { {{1, 0}, {3, -1}, {5, -1}, {7, 0}}, "°" SUP "M7" PUS },
- { {{1, 0}, {3, -1}, {5, -1}, {7, -1}}, "𝆩" SUP "7" PUS },
- { {{1, 0}, {3, -1}, {5, -1}, {7, -2}}, "°" SUP "7" PUS },
- { {{1, 0}, {2, 0}, {5, 0}, {7, 0}}, "m" SUP "M7" PUS "sus2" },
- { {{1, 0}, {2, 0}, {5, 0}, {7, -1}}, "m7sus2" },
- { {{1, 0}, {2, 0}, {5, -1}, {7, 0}}, "°" SUP "M7" PUS "sus2" },
- { {{1, 0}, {2, 0}, {5, -1}, {7, -1}}, "𝆩" SUP "7" PUS "sus2" },
- { {{1, 0}, {2, 0}, {5, -1}, {7, -2}}, "°" SUP "7" PUS "sus2" }, /* Ambiguous with 7 */
- /* Ninth chords voiced with no 5th */
- { {{1, 0}, {9, 0}, {4, 0}, {7, 0}}, "M9sus" },
- { {{1, 0}, {9, 0}, {4, 0}, {7, -1}}, "9sus" },
- { {{1, 0}, {9, 0}, {3, 0}, {7, 0}}, "M9" },
- { {{1, 0}, {9, 0}, {3, 0}, {7, -1}}, "9" },
- { {{1, 0}, {9, 0}, {3, -1}, {7, 0}}, "m" SUP "M9" PUS },
- { {{1, 0}, {9, 0}, {3, -1}, {7, -1}}, "m9" },
- { {{1, 0}, {9, -1}, {3, -1}, {7, -1}}, "m♭9" },
- { {{1, 0}, {9, 0}, {3, -1}, {6, 0}}, "m6/9" },
- { {{1, 0}, {9, -1}, {3, -1}, {6, 0}}, "m6/♭9" },
- };
-
- /* The sorting here is funny to keep the array in degree order
- * after reducing each degree to an actual scale degree, (9 -> 2,
- * 11 -> 4, 13 -> 6) */
- struct { modified_degree_t degrees[5]; const char *name; } pentachords[] = {
- /* Sixth plus 9 */
- { {{1, 0}, {9, 0}, {3, 0}, {5, 0}, {6, 0}}, "6/9" },
- { {{1, 0}, {9, 0}, {3, -1}, {5, 0}, {6, 0}}, "m6/9" },
- { {{1, 0}, {9, -1}, {3, -1}, {5, 0}, {6, 0}}, "m6/♭9" },
- /* Seventh plus altered 9 */
- { {{1, 0}, {9, +1}, {3, 0}, {5, 0}, {7, -1}}, "7♯9" },
- { {{1, 0}, {9, -1}, {3, 0}, {5, 0}, {7, -1}}, "7♭9" },
- { {{1, 0}, {9, +1}, {3, 0}, {5, -1}, {7, -1}}, "7♭5♯9" },
- { {{1, 0}, {9, -1}, {3, 0}, {5, -1}, {7, -1}}, "7♭5♭9" },
- /* Ninth chords */
- { {{1, 0}, {9, 0}, {4, 0}, {5, +1}, {7, 0}}, SUP "+M9" PUS "sus" },
- { {{1, 0}, {9, 0}, {4, 0}, {5, +1}, {7, -1}}, SUP "+9" PUS "sus" },
- { {{1, 0}, {9, 0}, {4, 0}, {5, 0}, {7, 0}}, "M9sus" },
- { {{1, 0}, {9, 0}, {4, 0}, {5, 0}, {7, -1}}, "9sus" },
-
- { {{1, 0}, {9, 0}, {3, 0}, {5, +1}, {7, 0}}, SUP "+M9" PUS },
- { {{1, 0}, {9, 0}, {3, 0}, {5, +1}, {7, -1}}, SUP "+9" PUS },
-
- { {{1, 0}, {9, 0}, {3, 0}, {5, 0}, {7, 0}}, "M9" },
- { {{1, 0}, {9, 0}, {3, 0}, {5, 0}, {7, -1}}, "9" },
- { {{1, 0}, {9, 0}, {3, -1}, {5, 0}, {7, 0}}, "m" SUP "M9" PUS },
- { {{1, 0}, {9, 0}, {3, -1}, {5, 0}, {7, -1}}, "m9" },
- { {{1, 0}, {9, -1}, {3, -1}, {5, 0}, {7, -1}}, "m♭9" },
- { {{1, 0}, {9, 0}, {3, 0}, {5, -1}, {7, 0}}, "M9" SUP "♭5" PUS },
- { {{1, 0}, {9, 0}, {3, 0}, {5, -1}, {7, -1}}, "9" SUP "♭5" PUS },
- { {{1, 0}, {9, 0}, {3, -1}, {5, -1}, {7, 0}}, "m" SUP "M9♭5" PUS },
- { {{1, 0}, {9, 0}, {3, -1}, {5, -1}, {7, -1}}, "𝆩" SUP "9" PUS },
- { {{1, 0}, {9, -1}, {3, -1}, {5, -1}, {7, -1}}, "𝆩" SUP "♭9" PUS },
- { {{1, 0}, {9, 0}, {3, -1}, {5, -1}, {7, -2}}, "°" SUP "9" PUS },
- { {{1, 0}, {9, -1}, {3, -1}, {5, -1}, {7, -2}}, "°" SUP "♭9" PUS },
- };
-
- struct { modified_degree_t degrees[6]; const char *name; } hexachords[] = {
- { {{1, 0}, {9, 0}, {3, 0}, {11, 0}, {5, +1}, {7, 0}}, SUP "+M11" PUS },
- { {{1, 0}, {9, 0}, {3, 0}, {11, 0}, {5, +1}, {7, -1}}, SUP "+11" PUS },
- { {{1, 0}, {9, 0}, {3, 0}, {11, 0}, {5, 0}, {7, 0}}, "M11" },
- { {{1, 0}, {9, 0}, {3, 0}, {11, 0}, {5, 0}, {7, -1}}, "11" },
- { {{1, 0}, {9, 0}, {3, -1}, {11, 0}, {5, 0}, {7, 0}}, "m" SUP "M11" PUS },
- { {{1, 0}, {9, 0}, {3, -1}, {11, 0}, {5, 0}, {7, -1}}, "m11" },
- { {{1, 0}, {9, -1}, {3, -1}, {11, 0}, {5, -1}, {7, -1}}, "𝆩" SUP "11" PUS },
- { {{1, 0}, {9, -1}, {3, -1}, {11, -1}, {5, -1}, {7, -2}}, "°" SUP "11" PUS }
- };
-
if (scherzo->chord) {
score_remove_chord (scherzo->chord);
scherzo->chord = NULL;
}
for (inversion = 0; inversion < 4; inversion++) {
- switch (num_notes) {
- case 1:
- for (i = 0; i < ARRAY_SIZE (octaves); i++) {
- if (_chord_signature_matches (notes, num_notes,
- octaves[i].degrees, 1,
- inversion, &root))
- {
- chord_name = octaves[i].name;
- goto CHORD_NAME_KNOWN;
- }
+ for (i = 0; i < ARRAY_SIZE (signatures); i++) {
+ if (_chord_signature_matches (notes, num_notes,
+ signatures[i].degrees,
+ signatures[i].num_degrees,
+ inversion, &root))
+ {
+ chord_name = signatures[i].name;
+ goto CHORD_NAME_KNOWN;
}
- break;
- case 2:
- for (i = 0; i < ARRAY_SIZE (intervals); i++) {
- if (_chord_signature_matches (notes, num_notes,
- intervals[i].degrees, 2,
- inversion, &root))
- {
- chord_name = intervals[i].name;
- goto CHORD_NAME_KNOWN;
- }
- }
- break;
- case 3:
- for (i = 0; i < ARRAY_SIZE (trichords); i++) {
- if (_chord_signature_matches (notes, num_notes,
- trichords[i].degrees, 3,
- inversion, &root))
- {
- chord_name = trichords[i].name;
- goto CHORD_NAME_KNOWN;
- }
- }
- break;
- case 4:
- for (i = 0; i < ARRAY_SIZE (tetrachords); i++) {
- if (_chord_signature_matches (notes, num_notes,
- tetrachords[i].degrees, 4,
- inversion, &root))
- {
- chord_name = tetrachords[i].name;
- goto CHORD_NAME_KNOWN;
- }
- }
- break;
- case 5:
- for (i = 0; i < ARRAY_SIZE (pentachords); i++) {
- if (_chord_signature_matches (notes, num_notes,
- pentachords[i].degrees, 5,
- inversion, &root))
- {
- chord_name = pentachords[i].name;
- goto CHORD_NAME_KNOWN;
- }
- }
- break;
- case 6:
- for (i = 0; i < ARRAY_SIZE (hexachords); i++) {
- if (_chord_signature_matches (notes, num_notes,
- hexachords[i].degrees, 6,
- inversion, &root))
- {
- chord_name = hexachords[i].name;
- goto CHORD_NAME_KNOWN;
- }
- }
- break;
}
}
CHORD_NAME_KNOWN:
projects / scherzo / commitdiff