int num_notes,
modified_degree_t *degrees,
int num_degrees,
- int *inversion_ret)
+ int *inversion_ret,
+ score_pitch_t *root)
{
#define MAX_DEGREES 4
int relative_pitches[MAX_DEGREES];
int inversion, max_inversions;
- int i;
+ int i, root_index;
assert (num_degrees <= MAX_DEGREES);
if (notes[i].relative_pitch != relative_pitches[i])
goto NEXT_INVERSION;
+ root_index = (num_notes - inversion) % num_notes;
+ *root = notes[root_index].note->pitch;
+
*inversion_ret = inversion;
return 1;
return 0;
}
+static const char *
+_pitch_str (score_pitch_t pitch)
+{
+ switch (pitch) {
+ case SCORE_PITCH_Cff:
+ return "C𝄫";
+ case SCORE_PITCH_Cf:
+ return "C♭";
+ case SCORE_PITCH_C:
+ return "C";
+ case SCORE_PITCH_Cs:
+ return "C♯";
+ case SCORE_PITCH_Css:
+ return "C𝄪";
+ case SCORE_PITCH_Dff:
+ return "D𝄫";
+ case SCORE_PITCH_Df:
+ return "D♭";
+ case SCORE_PITCH_D:
+ return "D";
+ case SCORE_PITCH_Ds:
+ return "D♯";
+ case SCORE_PITCH_Dss:
+ return "D𝄪";
+ case SCORE_PITCH_Eff:
+ return "E𝄫";
+ case SCORE_PITCH_Ef:
+ return "E♭";
+ case SCORE_PITCH_E:
+ return "E";
+ case SCORE_PITCH_Es:
+ return "E♯";
+ case SCORE_PITCH_Ess:
+ return "E𝄪";
+ case SCORE_PITCH_Fff:
+ return "F𝄫";
+ case SCORE_PITCH_Ff:
+ return "F♭";
+ case SCORE_PITCH_F:
+ return "F";
+ case SCORE_PITCH_Fs:
+ return "F♯";
+ case SCORE_PITCH_Fss:
+ return "F𝄪";
+ case SCORE_PITCH_Gff:
+ return "G𝄫";
+ case SCORE_PITCH_Gf:
+ return "G♭";
+ case SCORE_PITCH_G:
+ return "G";
+ case SCORE_PITCH_Gs:
+ return "G♯";
+ case SCORE_PITCH_Gss:
+ return "G𝄪";
+ case SCORE_PITCH_Aff:
+ return "A𝄫";
+ case SCORE_PITCH_Af:
+ return "A♭";
+ case SCORE_PITCH_A:
+ return "A";
+ case SCORE_PITCH_As:
+ return "A♯";
+ case SCORE_PITCH_Ass:
+ return "A𝄪";
+ case SCORE_PITCH_Bff:
+ return "B𝄫";
+ case SCORE_PITCH_Bf:
+ return "B♭";
+ case SCORE_PITCH_B:
+ return "B";
+ case SCORE_PITCH_Bs:
+ return "B♯";
+ case SCORE_PITCH_Bss:
+ return "B𝄪";
+ }
+
+ fprintf (stderr, "Internal error: Unknown pitch %d\n", pitch);
+ exit (1);
+}
+
static void
scherzo_analyze_chord (scherzo_t *scherzo)
{
note_group_t *note_group;
unsigned i, j, num_notes;
int bass_pitch, inversion;
+ score_pitch_t root;
const char *chord_name = NULL;
if (scherzo->pedal_pressed)
num_notes = note_group->num_notes;
struct { modified_degree_t degrees[1]; const char *name; } octaves[] = {
- { {{1, 0}}, "Octave"}
+ { {{1, 0}}, " Octave"}
};
struct { modified_degree_t degrees[2]; const char *name; } intervals[] = {
- { {{1, 0}, {2, -1}}, "Minor 2nd"},
- { {{1, 0}, {2, 0}}, "Major 2nd"},
- { {{1, 0}, {3, -1}}, "Minor 3rd"},
- { {{1, 0}, {3, 0}}, "Major 3rd"},
- { {{1, 0}, {4, 0}}, "Perfect 4th"},
- { {{1, 0}, {5, -1}}, "Diminished 5th"},
- { {{1, 0}, {5, 0}}, "Perfect 5th"},
- { {{1, 0}, {6, -1}}, "Minor 6th"},
- { {{1, 0}, {6, 0}}, "Major 6th"},
- { {{1, 0}, {7, -1}}, "Minor 7th"},
- { {{1, 0}, {7, 0}}, "Major 7th"}
+ { {{1, 0}, {2, -1}}, " Minor 2nd"},
+ { {{1, 0}, {2, 0}}, " Major 2nd"},
+ { {{1, 0}, {3, -1}}, " Minor 3rd"},
+ { {{1, 0}, {3, 0}}, " Major 3rd"},
+ { {{1, 0}, {4, 0}}, " Perfect 4th"},
+ { {{1, 0}, {5, -1}}, " Diminished 5th"},
+ { {{1, 0}, {5, 0}}, " Perfect 5th"},
+ { {{1, 0}, {6, -1}}, " Minor 6th"},
+ { {{1, 0}, {6, 0}}, " Major 6th"},
+ { {{1, 0}, {7, -1}}, " Minor 7th"},
+ { {{1, 0}, {7, 0}}, " Major 7th"}
};
+/* 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; } triads[] = {
- { {{1, 0}, {3, 0}, {5, +1}}, "Augmented triad" },
- { {{1, 0}, {3, 0}, {5, 0}}, "Major triad" },
- { {{1, 0}, {3, -1}, {5, 0}}, "Minor triad" },
- { {{1, 0}, {3, -1}, {5, -1}}, "Diminished triad" }
+ { {{1, 0}, {3, 0}, {5, +1}}, SUP "+" PUS },
+ { {{1, 0}, {3, 0}, {5, 0}}, "M" },
+ { {{1, 0}, {3, -1}, {5, 0}}, "m" },
+ { {{1, 0}, {3, -1}, {5, -1}}, "°" }
};
struct { modified_degree_t degrees[4]; const char *name; } sevenths[] = {
- { {{1, 0}, {3, 0}, {5, +1}, {7, 0}}, "Augmented/major 7" },
- { {{1, 0}, {3, 0}, {5, +1}, {7, -1}}, "Augmented 7" },
- { {{1, 0}, {3, 0}, {5, 0}, {7, 0}}, "Major 7" },
- { {{1, 0}, {3, 0}, {5, 0}, {7, -1}}, "Dominant 7" },
- { {{1, 0}, {3, -1}, {5, 0}, {7, 0}}, "Minor/major 7" },
- { {{1, 0}, {3, -1}, {5, 0}, {7, -1}}, "Minor 7" },
- { {{1, 0}, {3, -1}, {5, -1}, {7, 0}}, "Diminished/major 7" },
- { {{1, 0}, {3, -1}, {5, -1}, {7, -1}}, "Half-diminished 7" },
- { {{1, 0}, {3, -1}, {5, -1}, {7, -2}}, "Diminished 7" }
+ { {{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, -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 }
};
if (scherzo->chord) {
case 1:
for (i = 0; i < ARRAY_SIZE (octaves); i++) {
if (_chord_signature_matches (notes, num_notes,
- octaves[i].degrees, 1, &inversion))
+ octaves[i].degrees, 1,
+ &inversion, &root))
{
chord_name = octaves[i].name;
break;
case 2:
for (i = 0; i < ARRAY_SIZE (intervals); i++) {
if (_chord_signature_matches (notes, num_notes,
- intervals[i].degrees, 2, &inversion))
+ intervals[i].degrees, 2,
+ &inversion, &root))
{
chord_name = intervals[i].name;
break;
case 3:
for (i = 0; i < ARRAY_SIZE (triads); i++) {
if (_chord_signature_matches (notes, num_notes,
- triads[i].degrees, 3, &inversion))
+ triads[i].degrees, 3,
+ &inversion, &root))
{
chord_name = triads[i].name;
break;
case 4:
for (i = 0; i < ARRAY_SIZE(sevenths); i++) {
if (_chord_signature_matches (notes, num_notes,
- sevenths[i].degrees, 4, &inversion))
+ sevenths[i].degrees, 4,
+ &inversion, &root))
{
chord_name = sevenths[i].name;
break;
inversion);
exit(1);
}
- chord_name = talloc_asprintf (local, "%s %s",
+ chord_name = talloc_asprintf (local, "%s%s %s",
+ _pitch_str (root),
chord_name, inversion_str);
} else {
- chord_name = talloc_strdup (local, chord_name);
+ chord_name = talloc_asprintf (local, "%s%s",
+ _pitch_str (root),
+ chord_name);
}
} else {
chord_name = talloc_strdup (local, "Unknown chord");
projects / scherzo / blobdiff