Rx3/jack-keyboard
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Use cairo for drawing.

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This commit is contained in:
Johannes Maibaum 2016-09-11 19:28:40 +02:00
parent 2bd9ca2b9b
commit 6d5bbaca0a
1 changed files with 19 additions and 14 deletions
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33
src/pianokeyboard.c
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@ -55,23 +55,23 @@ draw_keyboard_cue(PianoKeyboard *pk)
int w, h, first_note_in_lower_row, last_note_in_lower_row,
first_note_in_higher_row, last_note_in_higher_row;
GdkGC *gc;
w = pk->notes[0].w;
h = pk->notes[0].h;
gc = GTK_WIDGET(pk)->style->fg_gc[0];
first_note_in_lower_row = (pk->octave + 5) * 12;
last_note_in_lower_row = (pk->octave + 6) * 12 - 1;
first_note_in_higher_row = (pk->octave + 6) * 12;
last_note_in_higher_row = (pk->octave + 7) * 12 + 4;
gdk_draw_line(GTK_WIDGET(pk)->window, gc, pk->notes[first_note_in_lower_row].x + 3,
h - 6, pk->notes[last_note_in_lower_row].x + w - 3, h - 6);
cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(GTK_WIDGET(pk)));
gdk_draw_line(GTK_WIDGET(pk)->window, gc, pk->notes[first_note_in_higher_row].x + 3,
h - 9, pk->notes[last_note_in_higher_row].x + w - 3, h - 9);
cairo_move_to(cr, pk->notes[first_note_in_lower_row].x + 3, h - 6);
cairo_line_to(cr, pk->notes[last_note_in_lower_row].x + w - 3, h - 6);
cairo_move_to(cr, pk->notes[first_note_in_higher_row].x + 3, h - 9);
cairo_line_to(cr, pk->notes[last_note_in_higher_row].x + w - 3, h - 9);
cairo_destroy(cr);
}
static void
@ -83,10 +83,11 @@ draw_note(PianoKeyboard *pk, int note)
return;
int is_white, x, w, h;
cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(GTK_WIDGET(pk)));
GdkColor black = {0, 0, 0, 0};
GdkColor white = {0, 65535, 65535, 65535};
GdkGC *gc = GTK_WIDGET(pk)->style->fg_gc[0];
GtkWidget *widget;
is_white = pk->notes[note].white;
@ -99,13 +100,17 @@ draw_note(PianoKeyboard *pk, int note)
is_white = !is_white;
if (is_white)
gdk_gc_set_rgb_fg_color(gc, &white);
gdk_cairo_set_source_color(cr, &white);
else
gdk_gc_set_rgb_fg_color(gc, &black);
gdk_cairo_set_source_color(cr, &black);
gdk_draw_rectangle(GTK_WIDGET(pk)->window, gc, TRUE, x, 0, w, h);
gdk_gc_set_rgb_fg_color(gc, &black);
gdk_draw_rectangle(GTK_WIDGET(pk)->window, gc, FALSE, x, 0, w, h);
cairo_rectangle(cr, x, 0, w, h);
cairo_fill(cr);
gdk_cairo_set_source_color(cr, &black);
cairo_rectangle(cr, x, 0, w, h);
cairo_stroke(cr);
cairo_destroy(cr);
if (pk->enable_keyboard_cue)
draw_keyboard_cue(pk);