/// <summary>
/// Creates a Bitmap image corresponding to an HSVA image.
/// </summary>
/// <param name="hsvaData">An HSVA image.</param>
/// <param name="hsvShift">An optional <see cref="HSVShift"/> to apply.</param>
/// <returns>A Bitmap image corresponding to <paramref name="hsvaData"/>.</returns>
public static uint[] ToArrayARGB(ColorHSVA[] hsvaData, HSVShift hsvShift = new HSVShift())
{
uint[] argbData = new uint[hsvaData.Length];
for (int i = 0; i < hsvaData.Length; i++)
{
argbData[i] = hsvShift.IsEmpty ? hsvaData[i].ToARGB() : hsvaData[i].HSVShift(hsvShift).ToARGB();
}
return(argbData);
}
/// <summary>
/// Returns true if <paramref name="obj"/> is a <see cref="HSVShift"/> with the same value as this instance.
/// </summary>
/// <param name="obj">An object to compare.</param>
/// <returns>True if <paramref name="obj"/> is a <see cref="HSVShift"/> with the same value as this instance; otherwise false.</returns>
public override bool Equals(object obj)
{
if (!(obj is HSVShift))
{
return(false);
}
HSVShift other = (HSVShift)obj;
return(h == other.h && s == other.s && v == other.v);
}
/// <summary>
/// Return the current <see cref="ColorHSVA"/> adjusted by a given <see cref="HSVShift"/> value.
/// </summary>
/// <param name="hsvShift">The <see cref="HSVShift"/> value by which to adjust this <see cref="ColorHSVA"/>.</param>
/// <returns>The current <see cref="ColorHSVA"/> adjusted by a given <see cref="HSVShift"/> value.</returns>
public ColorHSVA HSVShift(HSVShift hsvShift)
{
float h = this.h / 255.0f + hsvShift.h;
if (h < 0)
{
h += (float)Math.Floor(Math.Abs(h)) + 1;
}
if (h > 1)
{
h -= (float)Math.Floor(Math.Abs(h)) + 1;
}
return(new ColorHSVA
{
h = (byte)Math.Round(h * 255.0f),
s = (byte)Math.Round(Math.Max(0, Math.Min(1, this.s / 255.0f + hsvShift.s)) * 255.0f),
v = (byte)Math.Round(Math.Max(0, Math.Min(1, this.v / 255.0f + hsvShift.v)) * 255.0f),
a = this.a,
});
}
/// <summary>
/// Apply <see cref="HSVShift"/> values to the image, based on the
/// channels in the currently loaded mask.
/// </summary>
/// <param name="ch1Shift">A shift to apply to the image when the first channel of the mask is active.</param>
/// <param name="ch2Shift">A shift to apply to the image when the second channel of the mask is active.</param>
/// <param name="ch3Shift">A shift to apply to the image when the third channel of the mask is active.</param>
/// <param name="ch4Shift">A shift to apply to the image when the fourth channel of the mask is active.</param>
/// <param name="blend">When true, each channel's shift adds; when false, each channel's shift overrides.</param>
public void ApplyHSVShift(HSVShift ch1Shift, HSVShift ch2Shift, HSVShift ch3Shift, HSVShift ch4Shift, bool blend)
{
if (!SupportsHSV || !MaskLoaded) return;
if (blend)
ddsFile.MaskedHSVShift(ddsMask, ch1Shift, ch2Shift, ch3Shift, ch4Shift);
else
ddsFile.MaskedHSVShiftNoBlend(ddsMask, ch1Shift, ch2Shift, ch3Shift, ch4Shift);
ckb_CheckedChanged(null, null);
}
/// <summary>
/// Apply <see cref="HSVShift"/> values to the image, based on the
/// channels in the <paramref name="mask"/>.
/// </summary>
/// <param name="mask">The <see cref="System.IO.Stream"/> containing the DDS image to use as a mask.</param>
/// <param name="ch1Shift">A shift to apply to the image when the first channel of the mask is active.</param>
/// <param name="ch2Shift">A shift to apply to the image when the second channel of the mask is active.</param>
/// <param name="ch3Shift">A shift to apply to the image when the third channel of the mask is active.</param>
/// <param name="ch4Shift">A shift to apply to the image when the fourth channel of the mask is active.</param>
/// <param name="blend">When true, each channel's shift adds; when false, each channel's shift overrides.</param>
public void ApplyHSVShift(Stream mask, HSVShift ch1Shift, HSVShift ch2Shift, HSVShift ch3Shift, HSVShift ch4Shift, bool blend)
{
if (!SupportsHSV) return;
LoadMask(mask);
ApplyHSVShift(ch1Shift, ch2Shift, ch3Shift, ch4Shift, blend);
}
/// <summary>
/// Apply a hue, saturation and value shift to the image.
/// </summary>
/// <param name="h">Hue shift, default 0</param>
/// <param name="s">Saturation shift, default 0</param>
/// <param name="v">Value shift, default 0</param>
public void HSVShift(decimal h = 0, decimal s = 0, decimal v = 0)
{
hsvShift = new HSVShift { h = (float)h, s = (float)s, v = (float)v, };
if (SupportsHSV) ckb_CheckedChanged(null, null);
}
void MaskedHSVShift(DdsFile mask, ColorHSVA[] result, Channel channel, HSVShift hsvShift)
{
for (int y = 0; y < this.Size.Height; y++)
{
int imageOffset = y * this.Size.Width;
int maskOffset = (y % mask.Size.Height) * mask.Size.Width;
for (int x = 0; x < this.Size.Width; x++)
{
uint maskPixel = mask.currentImage[maskOffset + x % mask.Size.Width];
if (channel(maskPixel)) result[imageOffset + x] = hsvData[imageOffset + x].HSVShift(hsvShift);
}
}
}
/// <summary>
/// Apply <see cref="HSVShift"/> values to this DDS image based on the
/// channels in the <paramref name="mask"/>.
/// Each channel of the mask acts independently, in order "R", "G", "B", "A".
/// </summary>
/// <param name="mask">A DDS image file, each colourway acting as a mask channel.</param>
/// <param name="ch1Shift">A shift to apply to the image when the first channel of the mask is active.</param>
/// <param name="ch2Shift">A shift to apply to the image when the second channel of the mask is active.</param>
/// <param name="ch3Shift">A shift to apply to the image when the third channel of the mask is active.</param>
/// <param name="ch4Shift">A shift to apply to the image when the fourth channel of the mask is active.</param>
public void MaskedHSVShiftNoBlend(DdsFile mask, HSVShift ch1Shift, HSVShift ch2Shift, HSVShift ch3Shift, HSVShift ch4Shift)
{
if (!SupportsHSV) return;
maskInEffect = maskInEffect || !ch1Shift.IsEmpty || !ch2Shift.IsEmpty || !ch3Shift.IsEmpty || !ch4Shift.IsEmpty;
if (!maskInEffect) return;
ColorHSVA[] result = new ColorHSVA[hsvData.Length];
Array.Copy(hsvData, 0, result, 0, result.Length);
if (!ch1Shift.IsEmpty) MaskedHSVShift(mask, result, x => x.R() > 0, ch1Shift);
if (!ch2Shift.IsEmpty) MaskedHSVShift(mask, result, x => x.G() > 0, ch2Shift);
if (!ch3Shift.IsEmpty) MaskedHSVShift(mask, result, x => x.B() > 0, ch3Shift);
if (!ch4Shift.IsEmpty) MaskedHSVShift(mask, result, x => x.A() > 0, ch4Shift);
hsvData = result;
currentImage = ColorHSVA.ToArrayARGB(hsvData);
}
/// <summary>
/// Apply <see cref="HSVShift"/> values to this DDS image based on the
/// channels in the <paramref name="mask"/>.
/// </summary>
/// <param name="mask">A DDS image file, each colourway acting as a mask channel.</param>
/// <param name="ch1Shift">A shift to apply to the image when the first channel of the mask is active.</param>
/// <param name="ch2Shift">A shift to apply to the image when the second channel of the mask is active.</param>
/// <param name="ch3Shift">A shift to apply to the image when the third channel of the mask is active.</param>
/// <param name="ch4Shift">A shift to apply to the image when the fourth channel of the mask is active.</param>
public void MaskedHSVShift(DdsFile mask, HSVShift ch1Shift, HSVShift ch2Shift, HSVShift ch3Shift, HSVShift ch4Shift)
{
if (!SupportsHSV) return;
maskInEffect = maskInEffect || !ch1Shift.IsEmpty || !ch2Shift.IsEmpty || !ch3Shift.IsEmpty || !ch4Shift.IsEmpty;
if (!maskInEffect) return;
if (!ch1Shift.IsEmpty) MaskedHSVShift(mask, hsvData, x => x.R() > 0, ch1Shift);
if (!ch2Shift.IsEmpty) MaskedHSVShift(mask, hsvData, x => x.G() > 0, ch2Shift);
if (!ch3Shift.IsEmpty) MaskedHSVShift(mask, hsvData, x => x.B() > 0, ch3Shift);
if (!ch4Shift.IsEmpty) MaskedHSVShift(mask, hsvData, x => x.A() > 0, ch4Shift);
currentImage = ColorHSVA.ToArrayARGB(hsvData);
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
public void Dispose()
{
baseImage = null;
currentImage = null;
maskInEffect = false;
hsvData = null;
hsvShift = HSVShift.Empty;
}
/// <summary>
/// Creates a Bitmap image corresponding to an HSVA image.
/// </summary>
/// <param name="hsvaData">An HSVA image.</param>
/// <param name="hsvShift">An optional <see cref="HSVShift"/> to apply.</param>
/// <returns>A Bitmap image corresponding to <paramref name="hsvaData"/>.</returns>
public static uint[] ToArrayARGB(ColorHSVA[] hsvaData, HSVShift hsvShift = new HSVShift())
{
uint[] argbData = new uint[hsvaData.Length];
for (int i = 0; i < hsvaData.Length; i++)
argbData[i] = hsvShift.IsEmpty ? hsvaData[i].ToARGB() : hsvaData[i].HSVShift(hsvShift).ToARGB();
return argbData;
}
/// <summary>
/// Return the current <see cref="ColorHSVA"/> adjusted by a given <see cref="HSVShift"/> value.
/// </summary>
/// <param name="hsvShift">The <see cref="HSVShift"/> value by which to adjust this <see cref="ColorHSVA"/>.</param>
/// <returns>The current <see cref="ColorHSVA"/> adjusted by a given <see cref="HSVShift"/> value.</returns>
public ColorHSVA HSVShift(HSVShift hsvShift)
{
float h = this.h / 255.0f + hsvShift.h;
if (h < 0) h += (float)Math.Floor(Math.Abs(h)) + 1;
if (h > 1) h -= (float)Math.Floor(Math.Abs(h)) + 1;
return new ColorHSVA
{
h = (byte)Math.Round(h * 255.0f),
s = (byte)Math.Round(Math.Max(0, Math.Min(1, this.s / 255.0f + hsvShift.s)) * 255.0f),
v = (byte)Math.Round(Math.Max(0, Math.Min(1, this.v / 255.0f + hsvShift.v)) * 255.0f),
a = this.a,
};
}
