/// <summary>
/// copies a specific channel(s) from an image to this image
/// </summary>
/// <param name="source">source image to copy from</param>
/// <param name="channel">channel(s) to copy</param>
public void CopyChannel(Texture source, TextureChannelFlags channel)
{
for (int x = 0; x < _width; x++)
{
for (int y = 0; y < _height; y++)
{
float percentX = Convert.ToSingle(x) / Convert.ToSingle(_width);
float percentY = Convert.ToSingle(y) / Convert.ToSingle(_height);
int sourceX = Convert.ToInt32(MathF.Floor(percentX * source.Width));
int sourceY = Convert.ToInt32(MathF.Floor(percentY * source.Height));
if ((channel & TextureChannelFlags.R) != 0)
{
this._pixels[(y * _width) + x].R = source.Pixels[(sourceY * source.Width) + sourceX].R;
}
if ((channel & TextureChannelFlags.G) != 0)
{
this._pixels[(y * _width) + x].G = source.Pixels[(sourceY * source.Width) + sourceX].G;
}
if ((channel & TextureChannelFlags.B) != 0)
{
this._pixels[(y * _width) + x].B = source.Pixels[(sourceY * source.Width) + sourceX].B;
}
if ((channel & TextureChannelFlags.A) != 0)
{
this._pixels[(y * _width) + x].A = source.Pixels[(sourceY * source.Width) + sourceX].A;
}
}
}
}
private void OnEnable()
{
_sourceType = EditorPrefsExt.GetEnum(_sourceTypeKey, TextureSourceType.None);
_materialId = EditorPrefs.GetInt(_materialIdKey, 0);
_propertyName = EditorPrefs.GetString(_propertyNameKey, string.Empty);
_filterMode = Mathf.Clamp(EditorPrefs.GetInt(_filterModeKey, 1), 0, 1);
_customTexture = EditorPrefsExt.GetAsset <Texture2D>(_customTextureKey);
_repeating = EditorPrefs.GetBool(_repeatingKey, false);
_color = EditorPrefsExt.GetColor(_colorKey, Color.white);
_channelFlag = EditorPrefsExt.GetEnum(_channelFlagKey, TextureChannelFlags.RGBA);
}
public static TextureChannelFlags Invert(this TextureChannelFlags state, TextureChannelFlags flag)
{
return(state ^ flag);
}
public static TextureChannelFlags Reset(this TextureChannelFlags state, TextureChannelFlags flag)
{
return(state & ~flag);
}
public static TextureChannelFlags Set(this TextureChannelFlags state, TextureChannelFlags flag)
{
return(state | flag);
}
public static bool Has(this TextureChannelFlags state, TextureChannelFlags flag)
{
return((state & flag) != TextureChannelFlags.None);
}
