X-Git-Url: https://git.cworth.org/git?p=scherzo;a=blobdiff_plain;f=score.h;h=d2de1091c5cecdce1bd6cc6d4bb4d5d513c9e3f1;hp=98dd26f89cb9f20f216e84afcd43de872a7e8d5b;hb=HEAD;hpb=f6b8f7f23bb8a4a5b30bfde8242578cca90ddacf diff --git a/score.h b/score.h index 98dd26f..d2de109 100644 --- a/score.h +++ b/score.h @@ -24,86 +24,7 @@ #include #include -typedef struct score score_t; -typedef struct score_staff score_staff_t; -typedef struct score_note score_note_t; - -#define SCORE_PITCH_ACCIDENTAL_MASK 0x07 -#define SCORE_PITCH_ACCIDENTAL_SHIFT 0 - -typedef enum score_pitch_accidental -{ - SCORE_PITCH_ACCIDENTAL_DOUBLE_FLAT, - SCORE_PITCH_ACCIDENTAL_FLAT, - SCORE_PITCH_ACCIDENTAL_NATURAL, - SCORE_PITCH_ACCIDENTAL_SHARP, - SCORE_PITCH_ACCIDENTAL_DOUBLE_SHARP -} score_pitch_accidental_t; - -#define SCORE_PITCH_ACCIDENTAL(pitch) (((pitch) & SCORE_PITCH_ACCIDENTAL_MASK) >> SCORE_PITCH_ACCIDENTAL_SHIFT) - -#define SCORE_PITCH_NAME_MASK 0x38 -#define SCORE_PITCH_NAME_SHIFT 3 - -typedef enum score_pitch_name -{ - SCORE_PITCH_NAME_C = 0 << SCORE_PITCH_NAME_SHIFT, - SCORE_PITCH_NAME_D = 1 << SCORE_PITCH_NAME_SHIFT, - SCORE_PITCH_NAME_E = 2 << SCORE_PITCH_NAME_SHIFT, - SCORE_PITCH_NAME_F = 3 << SCORE_PITCH_NAME_SHIFT, - SCORE_PITCH_NAME_G = 4 << SCORE_PITCH_NAME_SHIFT, - SCORE_PITCH_NAME_A = 5 << SCORE_PITCH_NAME_SHIFT, - SCORE_PITCH_NAME_B = 6 << SCORE_PITCH_NAME_SHIFT -} score_pitch_name_t; - -#define SCORE_PITCH_NAME(pitch) (((pitch) & SCORE_PITCH_NAME_MASK) >> SCORE_PITCH_NAME_SHIFT) - -#define SCORE_PITCH_VALUE(name, accidental) ((SCORE_PITCH_NAME_##name) + (SCORE_PITCH_ACCIDENTAL_##accidental)) - -typedef enum score_pitch -{ - SCORE_PITCH_Aff = SCORE_PITCH_VALUE (A, DOUBLE_FLAT), - SCORE_PITCH_Af = SCORE_PITCH_VALUE (A, FLAT), - SCORE_PITCH_A = SCORE_PITCH_VALUE (A, NATURAL), - SCORE_PITCH_As = SCORE_PITCH_VALUE (A, SHARP), - SCORE_PITCH_Ass = SCORE_PITCH_VALUE (A, DOUBLE_SHARP), - - SCORE_PITCH_Bff = SCORE_PITCH_VALUE (B, DOUBLE_FLAT), - SCORE_PITCH_Bf = SCORE_PITCH_VALUE (B, FLAT), - SCORE_PITCH_B = SCORE_PITCH_VALUE (B, NATURAL), - SCORE_PITCH_Bs = SCORE_PITCH_VALUE (B, SHARP), - SCORE_PITCH_Bss = SCORE_PITCH_VALUE (B, DOUBLE_SHARP), - - SCORE_PITCH_Cff = SCORE_PITCH_VALUE (C, DOUBLE_FLAT), - SCORE_PITCH_Cf = SCORE_PITCH_VALUE (C, FLAT), - SCORE_PITCH_C = SCORE_PITCH_VALUE (C, NATURAL), - SCORE_PITCH_Cs = SCORE_PITCH_VALUE (C, SHARP), - SCORE_PITCH_Css = SCORE_PITCH_VALUE (C, DOUBLE_SHARP), - - SCORE_PITCH_Dff = SCORE_PITCH_VALUE (D, DOUBLE_FLAT), - SCORE_PITCH_Df = SCORE_PITCH_VALUE (D, FLAT), - SCORE_PITCH_D = SCORE_PITCH_VALUE (D, NATURAL), - SCORE_PITCH_Ds = SCORE_PITCH_VALUE (D, SHARP), - SCORE_PITCH_Dss = SCORE_PITCH_VALUE (D, DOUBLE_SHARP), - - SCORE_PITCH_Eff = SCORE_PITCH_VALUE (E, DOUBLE_FLAT), - SCORE_PITCH_Ef = SCORE_PITCH_VALUE (E, FLAT), - SCORE_PITCH_E = SCORE_PITCH_VALUE (E, NATURAL), - SCORE_PITCH_Es = SCORE_PITCH_VALUE (E, SHARP), - SCORE_PITCH_Ess = SCORE_PITCH_VALUE (E, DOUBLE_SHARP), - - SCORE_PITCH_Fff = SCORE_PITCH_VALUE (F, DOUBLE_FLAT), - SCORE_PITCH_Ff = SCORE_PITCH_VALUE (F, FLAT), - SCORE_PITCH_F = SCORE_PITCH_VALUE (F, NATURAL), - SCORE_PITCH_Fs = SCORE_PITCH_VALUE (F, SHARP), - SCORE_PITCH_Fss = SCORE_PITCH_VALUE (F, DOUBLE_SHARP), - - SCORE_PITCH_Gff = SCORE_PITCH_VALUE (G, DOUBLE_FLAT), - SCORE_PITCH_Gf = SCORE_PITCH_VALUE (G, FLAT), - SCORE_PITCH_G = SCORE_PITCH_VALUE (G, NATURAL), - SCORE_PITCH_Gs = SCORE_PITCH_VALUE (G, SHARP), - SCORE_PITCH_Gss = SCORE_PITCH_VALUE (G, DOUBLE_SHARP), -} score_pitch_t; +#include "scherzo-key.h" typedef enum score_duration { @@ -127,6 +48,17 @@ typedef enum score_duration #define SCORE_BUILD_NOTE(pitch, octave, duration) SCORE_PITCH_##pitch, (octave), SCORE_DURATION_##duration +typedef struct score score_t; +typedef struct score_staff score_staff_t; + +typedef struct score_chord +{ + score_staff_t *staff; + + char *name; + double width; +} score_chord_t; + typedef enum score_clef { SCORE_CLEF_G, @@ -152,6 +84,10 @@ score_set_staff_height (score_t *score, int height); void score_set_width (score_t *score, int width); +/* Set the key for this score */ +void +score_set_key (score_t *score, pitch_t key); + /* Add a brace to the score, connecting the given number of staves. * * The staves to be connected are those that will next be added to the @@ -163,20 +99,48 @@ score_add_brace (score_t *score, int staves); score_staff_t * score_add_staff (score_t *score, score_clef_t clef); -/* Add a note to a staff of the given pitch, octave, and duration. - * - * Octave numbers are ISO octave numbers [0:8], (so Octave 4 is from - * middle C to the B above middle C). +/* Add a note to a staff of the given pitch and duration. * * Duration values can be symbolic (SCORE_DURATION_WHOLE, _QUARTER, * _EIGHTH, etc.) or numerical as simply the denominator (WHOLE=1, * QUARTER=4, EIGHTH=8, etc.) */ -score_note_t * +void score_staff_add_note (score_staff_t *staff, - score_pitch_t pitch, - int octave, - score_duration_t); + pitch_t pitch, + score_duration_t duration); + +/* Add a note to the score, (automatically selecting the nearest + * staff) */ +void +score_add_note (score_t *score, pitch_t pitch, score_duration_t duration); + +/* Add a chord symbol of 'name' to a staff. + * + * For now, the chord symbols are free-form names. + * + * The chord name must be a talloc'ed string, which the returned + * score_chord_t will talloc_steal. + */ +score_chord_t * +score_add_chord (score_staff_t *staff, + const char * name); + +/* Remove all chords from the given staff. */ +void +score_staff_remove_chords (score_staff_t *staff); + +/* Remove all chords from the score. */ +void +score_remove_chords (score_t *score); + +/* Remove all notes from the given staff. */ +void +score_staff_remove_notes (score_staff_t *staff); + +/* Remove all notes from the score. */ +void +score_remove_notes (score_t *score); /* Draw the given score_t onto the given cairo_t. *