X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=score.c;h=e587c2799ed93a6396456b8d929388d56f482a30;hb=41e993a65ab55db1f3297003fe65dd556a15f85f;hp=fe7622d85e4acd5c4fc45cd707df961017995380;hpb=73ba6a9e9a9308747fd0fa301e1a349746eaf47c;p=scherzo

diff --git a/score.c b/score.c
index fe7622d..e587c27 100644
--- a/score.c
+++ b/score.c
@@ -18,6 +18,8 @@
  * along with this program.  If not, see http://www.gnu.org/licenses/ .
  */
 
+#include <pango/pangocairo.h>
+
 #include <string.h>
 
 #include "score.h"
@@ -175,10 +177,10 @@ _score_clef_c_line (score_clef_t clef)
 static double
 _score_note_to_line (score_staff_t *staff, score_note_t *note)
 {
-    score_pitch_name_t name = SCORE_PITCH_NAME (note->pitch);
+    pitch_name_t name = PITCH_NAME (note->pitch);
     int c_line = _score_clef_c_line (staff->clef);
 
-    return c_line - (name - SCORE_PITCH_NAME_C) / 2.0 - 3.5 * (note->octave - 4);
+    return c_line - (name - PITCH_NAME_C) / 2.0 - 3.5 * (note->octave - 4);
 }
 
 /* chord->width is updated as a side effect */
@@ -186,8 +188,11 @@ static void
 _draw_chord (score_t *score, cairo_t *cr,
 	     score_staff_t *staff, score_chord_t *chord)
 {
-    cairo_text_extents_t chord_extents;
+    PangoRectangle ink_extents;
+    PangoRectangle logical_extents;
     double total_staff_height;
+    PangoLayout *layout;
+    PangoFontDescription *font_description;
 
     /* XXX: The staff should manage this height itself. */
     total_staff_height = (staff->upper_ledger_lines * score->space_height +
@@ -196,19 +201,30 @@ _draw_chord (score_t *score, cairo_t *cr,
 
     cairo_save (cr);
 
-    cairo_text_extents (cr, chord->name, &chord_extents);
+    font_description = pango_font_description_new ();
+    pango_font_description_set_family (font_description, "serif");
+    pango_font_description_set_absolute_size (font_description,
+			score->space_height * 3 * PANGO_SCALE);
+
+    layout = pango_cairo_create_layout (cr);
+    pango_layout_set_font_description (layout, font_description);
+    pango_layout_set_markup (layout, chord->name, -1);
 
-    cairo_select_font_face (cr, "serif", 0, 0);
-    cairo_set_font_size (cr, score->space_height * 3);
+    pango_layout_line_get_pixel_extents (pango_layout_get_line (layout, 0),
+					 &ink_extents, &logical_extents);
 
     if (staff->clef == SCORE_CLEF_G)
 	cairo_move_to (cr, 0, - score->space_height * 0.5);
     else
-	cairo_move_to (cr, 0, score->space_height * 0.5 + total_staff_height + chord_extents.y_bearing);
+	cairo_move_to (cr, 0, score->space_height * 0.5 + total_staff_height +
+		       logical_extents.height);
 
-    cairo_show_text (cr, chord->name);
+    pango_cairo_show_layout_line (cr, pango_layout_get_line (layout, 0));
 
-    chord->width = chord_extents.x_advance;
+    g_object_unref (layout);
+    pango_font_description_free (font_description);
+
+    chord->width = logical_extents.width;
 
     cairo_restore (cr);
 }
@@ -249,25 +265,25 @@ _draw_note (score_t *score, cairo_t *cr,
 
     /* XXX: The hard-coded glyph indices here are very ugly. We should
      * figure out how to lookup glyphs by name from this font. */
-    switch (SCORE_PITCH_ACCIDENTAL (note->pitch)) {
-    case SCORE_PITCH_ACCIDENTAL_DOUBLE_FLAT:
+    switch (PITCH_ACCIDENTAL (note->pitch)) {
+    case PITCH_ACCIDENTAL_DOUBLE_FLAT:
 	    note_glyph[num_glyphs].index = 77;
 	    break;
-    case SCORE_PITCH_ACCIDENTAL_FLAT:
+    case PITCH_ACCIDENTAL_FLAT:
 	    note_glyph[num_glyphs].index = 68;
 	    break;
-    case SCORE_PITCH_ACCIDENTAL_NATURAL:
+    case PITCH_ACCIDENTAL_NATURAL:
 	    note_glyph[num_glyphs].index = 101;
 	    break;
-    case SCORE_PITCH_ACCIDENTAL_SHARP:
+    case PITCH_ACCIDENTAL_SHARP:
 	    note_glyph[num_glyphs].index = 134;
 	    break;
-    case SCORE_PITCH_ACCIDENTAL_DOUBLE_SHARP:
+    case PITCH_ACCIDENTAL_DOUBLE_SHARP:
 	    note_glyph[num_glyphs].index = 142;
 	    break;
     }
 
-    if (SCORE_PITCH_ACCIDENTAL (note->pitch) != SCORE_PITCH_ACCIDENTAL_NATURAL)
+    if (PITCH_ACCIDENTAL (note->pitch) != PITCH_ACCIDENTAL_NATURAL)
     {
 	    note_glyph[num_glyphs].x = 0;
 
@@ -425,7 +441,8 @@ score_draw (score_t *score, cairo_t *cr)
 
     if (score->num_braces)
     {
-	int brace_width;
+	/* Initialize to keep the compiler quiet. */
+	int brace_width = 0;
 
 	for (i = 0; i < score->num_braces; i++)
 	    _draw_brace (score, cr, score->braces[i], &brace_width);
@@ -577,7 +594,7 @@ score_remove_chord (score_chord_t *chord)
 
 score_note_t *
 score_add_note (score_staff_t *staff,
-		score_pitch_t pitch,
+		pitch_t pitch,
 		int octave,
 		score_duration_t duration)
 {
@@ -676,7 +693,7 @@ score_set_note_color_rgb (score_note_t *note,
 
 score_note_t *
 score_staff_find_note (score_staff_t *staff,
-		       score_pitch_t pitch,
+		       pitch_t pitch,
 		       int octave,
 		       score_duration_t duration)
 {
@@ -695,4 +712,3 @@ score_staff_find_note (score_staff_t *staff,
 
     return NULL;
 }
-