public ChannelControl()
{
InitializeComponent();
sliderVolume.IntValue = VolumeLevelConverter.GetVolumeStep(1.0f);
pbOnOff.Image = null;
pbFxInsert.Image = null;
pbKeyZone.Image = null;
cbMidiChannel.SelectedIndex = 1;
mIgnoreEvents = false;
}
void mVstPluginChannel_PresetImported(object sender, ChannelPresetImportEventArgs e)
{
mIgnoreEvents = true;
lblName.Text = PluginChannel.InstrumentPlugin.ProgramName;
sliderVolume.IntValue = VolumeLevelConverter.GetVolumeStep(e.ChannelPreset.Volume);
sliderPan.IntValue = (int)(e.ChannelPreset.Pan * 127.0f);
if (this.IsHandleCreated)
{
this.BeginInvoke(new Action(() => pbKeyZone.Image = e.ChannelPreset.KeyZoneActive ? Properties.Resources.key_zone_on : Properties.Resources.key_zone_off));
}
cbMidiChannel.SelectedIndex = (int)e.ChannelPreset.MidiChannel;
if (e.ChannelPreset.InstrumentVstPreset.State != PluginState.Empty)
{
for (int i = 0; i < cbInstrument.Items.Count(); i++)
{
if (cbInstrument.Items[i] == e.ChannelPreset.InstrumentVstPreset.Name)
{
cbInstrument.SelectedIndex = i;
mCurrentInstrument = i;
}
}
}
else
{
cbInstrument.SelectedIndex = 0;
mCurrentInstrument = 0;
}
SetPluginStateUI(e.ChannelPreset.InstrumentVstPreset.State);
mIgnoreEvents = false;
}
private void drawGraphics(Graphics g)
{
int ringWidthDiv2 = mRingWidth / 2;
// Paint background
g.SmoothingMode = SmoothingMode.Default;
g.FillRectangle(mBackBrush, 0, 0, this.Width, this.Height);
g.SmoothingMode = SmoothingMode.AntiAlias;
if (Type == RingType.Volume)
{
float dB = VolumeLevelConverter.GetVolumeDecibel(mValue);
int angleVolume0 = 107;
int zeroDBValue = Math.Min(mValue, angleVolume0);
// calc active range
int totalAngle = mStopAngle - mStartAngle;
int activeAngle1 = (int)((((float)zeroDBValue - min) / (max - min)) * (float)totalAngle);
int inactiveAngle = totalAngle - activeAngle1;
int activeAngle2 = 0;
// Draw white part
g.DrawArc(mRingForePen, ringWidthDiv2, ringWidthDiv2, this.Width - mRingWidth - 1, this.Width - mRingWidth - 1, 180 + mStartAngle, activeAngle1);
if (mValue > zeroDBValue)
{
int startAngle2 = 180 + mStartAngle + activeAngle1;
activeAngle2 = (int)((((float)mValue - min) / (max - min)) * (float)totalAngle) - activeAngle1;
inactiveAngle -= activeAngle2;
//Draw red part
g.DrawArc(mRingDBPen, ringWidthDiv2, ringWidthDiv2, this.Width - mRingWidth - 1, this.Width - mRingWidth - 1, startAngle2, activeAngle2);
}
// Draw greyed out part
g.DrawArc(mRingBackPen, ringWidthDiv2, ringWidthDiv2, this.Width - mRingWidth - 1, this.Width - mRingWidth - 1, 180 + mStartAngle + activeAngle1 + activeAngle2, inactiveAngle);
string display;
if (mValue == min)
{
// Draw - infinity string
//g.DrawString("-", this.Font, mTextBrush, (this.Width / 2) - 20, (this.Height / 2) - 4);
//g.DrawString("\u221E", this.Font/* mInfinityFont */, mTextBrush, (this.Width / 2) - 10, (this.Height / 2) - 2);
display = "-\u221E dB";
}
else
{
display = string.Format("{0}{1:0.0} dB", dB > 0.0f ? "+" : "", dB);
// Draw value string
//g.DrawString(display, this.Font, mTextBrush, (this.Width / 2) - 40, (this.Height / 2) - 4);
}
//g.DrawString("dB", this.Font, mTextBrush, (this.Width / 2) + 9, (this.Height / 2) - 4);
//display = mValue.ToString();
// Draw value string
float stringWidth = g.MeasureString(display, this.Font).Width;
g.DrawString(display, this.Font, mTextBrush, (this.Width / 2) - stringWidth / 2.0f, (this.Width / 2) - 50);
}
else
{
// calc active range
int totalAngle = mStopAngle - mStartAngle;
int activeAngle = (int)((((float)mValue - min) / (max - min)) * (float)totalAngle);
int inactiveAngle = totalAngle - activeAngle;
string display;
// Pan: draw first greyed out part
g.DrawArc(mRingBackPen, ringWidthDiv2, ringWidthDiv2, this.Width - mRingWidth - 1, this.Width - mRingWidth - 1, 180 + mStartAngle, activeAngle - 3);
// Draw active part
g.DrawArc(mRingForePen, ringWidthDiv2, ringWidthDiv2, this.Width - mRingWidth - 1, this.Width - mRingWidth - 1, 180 + mStartAngle + activeAngle - 3, 6);
// Draw greyed out part
g.DrawArc(mRingBackPen, ringWidthDiv2, ringWidthDiv2, this.Width - mRingWidth - 1, this.Width - mRingWidth - 1, 180 + mStartAngle + activeAngle + 3, inactiveAngle - 3);
display = mValue.ToString();
// Draw value string
float stringWidth = g.MeasureString(display, this.Font).Width;
g.DrawString(display, this.Font, mTextBrush, (this.Width / 2) - stringWidth / 2.0f, (this.Width / 2) - 50);
}
}
