public void DrawWaveFormValues(float[] samples, int offset, int length)
{
if (samples == null || samples.Length == 0 ||
!dynTexture.IsInitialized)
{
return;
}
dynTexture.ClearTexture();
// Draw the waveform
for (int x = 0; x < dynTexture.TextureWidth; x++)
{
int sampleIndex = offset + length * x / dynTexture.TextureWidth;
if (sampleIndex >= samples.Length)
{
break;
}
float value = samples[sampleIndex];
// Draw the pixels
int y = (int)(dynTexture.TextureHeight * (value + 1f) / 2f);
dynTexture.SetPixel(x, y, waveformColor);
}
// upload to the graphics card
dynTexture.ApplyTexture();
}
private void UpdateIssueOverviewImage()
{
if (dynamicTexture == null)
{
return;
}
dynamicTexture.ClearTexture();
foreach (SongIssue issue in issues)
{
DrawIssue(issue);
}
dynamicTexture.ApplyTexture();
}
private void UpdateNoteOverviewImage()
{
if (dynamicTexture == null)
{
return;
}
dynamicTexture.ClearTexture();
foreach (Voice voice in songMeta.GetVoices())
{
Color color = songEditorSceneControl.GetColorForVoice(voice);
DrawNotes(voice, color);
}
dynamicTexture.ApplyTexture();
}
private void UpdateMidiNoteLines()
{
dynamicTexture.ClearTexture();
int minMidiNote = noteAreaControl.MinMidiNoteInCurrentViewport;
int maxMidiNote = noteAreaControl.MaxMidiNoteInCurrentViewport;
for (int midiNote = minMidiNote; midiNote <= maxMidiNote; midiNote++)
{
// Notes are drawn on lines and between lines alternatingly.
bool hasLine = (midiNote % 2 == 0);
if (hasLine)
{
Color color = (MidiUtils.GetRelativePitch(midiNote) == 0)
? NoteAreaHorizontalRulerControl.highlightLineColor
: NoteAreaHorizontalRulerControl.normalLineColor;
DrawHorizontalGridLine(midiNote, color);
}
}
dynamicTexture.ApplyTexture();
}
