const int OCPiano::PitchToPos(const int Pitch)
{
int X=(IntDiv(Pitch, 12)*7)-1;
switch (Pitch % 12)
{
case 2:
case 3:
X+=1;
break;
case 4:
X+=2;
break;
case 5:
case 6:
X+=3;
break;
case 7:
case 8:
X+=4;
break;
case 9:
case 10:
X+=5;
break;
case 11:
X+=6;
break;
}
X*=WhiteKeyWidth;
if (IsBlackKey(Pitch)) X+=BlackKeyOffset;
return X+5;
}
void OCPiano::DrawKey(const int Pitch, const bool Pressed)
{
int Pos=PitchToPos(Pitch);
if (IsBlackKey(Pitch))
{
DrawBlackKey(Pos,Pressed);
}
else
{
DrawWhiteKey(Pos,Pressed);
}
}
void OCPiano::Paint()
{
//Scene.clear();
ClearTransparent();
for (int i=1;i<128;i++)
{
if (!IsBlackKey(i)) DrawKey(i,Pitches.contains(i) || (i==CurrentPitch));
}
for (int i=1;i<128;i++)
{
if (IsBlackKey(i)) DrawKey(i,Pitches.contains(i) || (i==CurrentPitch));
}
SetPenBrush(Qt::black,Qt::darkGray);
QPainterPath p(QPoint(PitchToPos(60)+2,WhiteKeyHeight+5));
p.lineTo(PitchToPos(60)+2+((WhiteKeyWidth-4)/2),WhiteKeyHeight);
p.lineTo(PitchToPos(60)+WhiteKeyWidth-2,WhiteKeyHeight+5);
Path(p);
//Scene.addPath(p,QPen(Qt::black),QBrush(Qt::darkGray));
//this->viewport()->update();
update();
}
void OnPaint()
{
wxPaintDC dc(this);
auto rect = GetClientRect();
dc.SetPen(wxPen(wxColor(0x26, 0x1E, 0x00)));
dc.SetBrush(wxBrush(wxColor(0x26, 0x1E, 0x00)));
dc.DrawRectangle(rect);
int const disp_half = rect.GetWidth() / 2;
int const disp_shift = kFullKeysWidth / 2 - disp_half;
auto draw_key = [&](auto note_num, auto const &prop, auto const &img) {
int const octave = note_num / 12;
auto key_rect = prop.rect_;
key_rect.Offset(octave * kKeyWidth * 7 - disp_shift, 0);
if(key_rect.GetLeft() >= rect.GetWidth()) { return; }
if(key_rect.GetRight() < 0) { return; }
dc.DrawBitmap(wxBitmap(img), key_rect.GetTopLeft());
// if(is_playing) {
// col_pen = kKeyBorderColorPlaying;
// col_brush = kPlayingNoteColor;
// dc.SetPen(wxPen(col_pen));
// dc.SetBrush(wxBrush(col_brush));
// }
// dc.DrawRoundedRectangle(key_rect, 2);
};
for(int i = 0; i < kNumKeys; ++i) {
if(IsWhiteKey(i) == false) { continue; }
bool const is_playing = playing_notes_[i];
bool next_pushed = false;
if(i < kNumKeys - 2) {
if(IsWhiteKey(i+1) && playing_notes_[i+1]) { next_pushed = true; }
else if(IsWhiteKey(i+2) && playing_notes_[i+2]) { next_pushed = true; }
}
auto const &img
= (is_playing && next_pushed)
? img_white_pushed_contiguous_
: (is_playing ? img_white_pushed_ : img_white_);
draw_key(i, kKeyPropertyList[i % 12], img);
}
for(int i = 0; i < kNumKeys; ++i) {
if(IsBlackKey(i) == false) { continue; }
bool const is_playing = playing_notes_[i];
auto const &img = (is_playing ? img_black_pushed_ : img_black_);
draw_key(i, kKeyPropertyList[i % 12], img);
}
auto font = wxFont(wxFontInfo(wxSize(8, 10)).Family(wxFONTFAMILY_DEFAULT));
dc.SetFont(font);
for(int i = 0; i < kNumKeys; i += 12) {
int const octave = i / 12;
dc.DrawLabel(wxString::Format("C%d", i / 12 - 2),
wxBitmap(),
wxRect(wxPoint(octave * kKeyWidth * 7 - disp_shift, rect.GetHeight() * 0.8),
wxSize(kKeyWidth, 10)),
wxALIGN_CENTER
);
}
}
