private void DrawPianoTrackArea(object sender, BalthasarLib.D2DPainter.D2DPaintEventArgs e, PianoRollPoint startPoint)
{
D2DGraphics g = e.D2DGraphics;
int y = rconf.Const_TitleHeight;//绘制点纵坐标
int w = e.ClipRectangle.Width - rconf.Const_VScrollBarWidth;
//绘制钢琴窗
int cNote = (int)pprops.PianoTopNote; //绘制区域第一个阶的音符
while (y < e.ClipRectangle.Height) //若未画超界
{
//计算绘制区域
Point LT = new Point(rconf.Const_RollWidth, y); //矩形左上角
Point LB = new Point(rconf.Const_RollWidth, y + rconf.Const_RollNoteHeight); //矩形左下角
Point RT = new Point(w, y); //矩形右上角
Point RB = new Point(w, y + rconf.Const_RollNoteHeight); //矩形右下角
Rectangle Rect = new Rectangle(LT, new Size(w - rconf.Const_RollWidth, rconf.Const_RollNoteHeight)); //矩形区域
//计算色域
PitchValuePair NoteValue = new PitchValuePair((uint)cNote, 0);
NoteValue.OctaveType = pprops.OctaveType;
int Octave = NoteValue.OctaveType == PitchValuePair.OctaveTypeEnum.Voice ? NoteValue.Octave : NoteValue.Octave - 1;
int Key = NoteValue.Key;
bool isBlackKey = NoteValue.IsBlackKey;
Color KeyColor = isBlackKey ? rconf.RollColor_BlackKey_NormalSound : rconf.RollColor_WhiteKey_NormalSound;
Color LineColor = rconf.RollColor_LineKey_NormalSound;
Color OLineColor = rconf.RollColor_LineOctive_NormalSound;
switch (rconf.getVoiceArea(cNote))
{
case RollConfigures.VoiceKeyArea.OverSound: KeyColor = isBlackKey ? rconf.RollColor_BlackKey_OverSound : rconf.RollColor_WhiteKey_OverSound; LineColor = rconf.RollColor_LineKey_OverSound; OLineColor = rconf.RollColor_LineOctive_OverSound; break;
case RollConfigures.VoiceKeyArea.NoSound: KeyColor = isBlackKey ? rconf.RollColor_BlackKey_NoSound : rconf.RollColor_WhiteKey_NoSound; LineColor = rconf.RollColor_LineKey_NoSound; OLineColor = rconf.RollColor_LineOctive_OverSound; break;
}
//绘制矩形
g.FillRectangle(Rect, KeyColor);
//绘制边线
g.DrawLine(LB, RB, (Key == 5 || Key == 0) ? OLineColor : LineColor, 2);//isB ? LineL : LineB);
//递归
y = y + rconf.Const_RollNoteHeight;
cNote = cNote - 1;
}
//绘制分节符
//初始化
double x = rconf.Const_RollWidth; //起点画线
long BeatNumber = startPoint.BeatNumber; //获取起点拍号
double BeatPixelLength = pprops.dertTick2dertPixel(pprops.BeatLength); //一拍长度
if (startPoint.DenominatolTicksBefore != 0) //非完整Beats
{
//起点不在小节线
BeatNumber = startPoint.NextWholeBeatNumber;
x = x + pprops.dertTick2dertPixel(startPoint.NextWholeBeatDistance);
}
while (x <= w)
{
g.DrawLine(
new Point((int)Math.Round(x, 0), rconf.Const_TitleHeight),
new Point((int)Math.Round(x, 0), e.ClipRectangle.Height),
BeatNumber % pprops.BeatsCountPerSummery == 0 ? Color.Black : rconf.RollColor_LineOctive_NormalSound
);
BeatNumber = BeatNumber + 1;
x = x + BeatPixelLength;
}
//Rise 绘制Note等//传递事件
Rectangle CurrentRect = new Rectangle(
rconf.Const_RollWidth,
rconf.Const_TitleHeight,
w - rconf.Const_RollWidth,
e.ClipRectangle.Height - rconf.Const_TitleHeight);//可绘制区域
if (TrackPaint != null)
{
D2DPaintEventArgs d2de = new D2DPaintEventArgs(
e.D2DGraphics,
CurrentRect,
e.MousePoint
);
TrackPaint(sender, new BalthasarLib.PianoRollWindow.DrawUtils.TrackDrawUtils(d2de, rconf, pprops));
}
}
