/// <summary>
/// Reinitializes the image portion of the trackbar and sets to center. For Hue and Saturation, an Image is required
/// </summary>
/// <param name="tct">The trackbar Color Type to use for the image bar</param>
/// <param name="ImageForColorScape">In the case of Saturation and Hue, this is the image to generate off of</param>
public void ReInit(TrackbarColorType tct, Bitmap ImageForColorScape)
{
Setup(tct, ImageForColorScape);
this.Invalidate();
}
private void Setup(TrackbarColorType tct, Bitmap ImageForColorScape)
{
//Create color bar for hue. Easily the most complex color bar
if (tct == TrackbarColorType.Hue)
{
tbMain.Maximum = 360;
if (ImageForColorScape != null)
{
//Shrink image and determine dominant color
Bitmap bmpTemp = new Bitmap(ImageForColorScape, Constants.iPreviewSize, Constants.iPreviewSize);
//Create a Color/Int dictionary where the int is the number of times the color is used.
Dictionary <Color, int> dicColorCount = new Dictionary <Color, int>();
Color cWorkingColor;
Core.HLS newHLS = new Photoman.Core.HLS();
//Populate dictionary
for (int iX = 0; iX < bmpTemp.Width; iX++)
{
for (int iY = 0; iY < bmpTemp.Height; iY++)
{
cWorkingColor = bmpTemp.GetPixel(iX, iY);
float fLuminosity = cWorkingColor.GetBrightness();
newHLS.Color = cWorkingColor;
newHLS.Luminance = 0.5f;
newHLS.Saturation = 1f;
cWorkingColor = newHLS.Color;
if (dicColorCount.ContainsKey(cWorkingColor))
{
dicColorCount[cWorkingColor]++;
}
else
{
dicColorCount.Add(cWorkingColor, 0);
}
}
}
//Get most used color as base
KeyValuePair <Color, Int32> kvpMax = new KeyValuePair <Color, int>(Color.Transparent, 0);
foreach (KeyValuePair <Color, Int32> kvp in dicColorCount)
{
if (kvpMax.Value < kvp.Value)
{
kvpMax = kvp;
}
}
//Set trackbar length to 360 since hue is a 360 wheel
m_bmpTrackbarImage = new Bitmap(360, 1);
//Create 1 pixel bitmap to store most common color
Bitmap bmpHue = new Bitmap(1, 1);
bmpHue.SetPixel(0, 0, kvpMax.Key);
//Increment hue by 180 so we can go through all 360 at once
bmpHue = Core.HLS.ChangeHue(bmpHue, 180);
for (int i = 0; i < 360; i++)
{
m_bmpTrackbarImage.SetPixel(i, 0, bmpHue.GetPixel(0, 0));
bmpHue = Core.HLS.ChangeHue(bmpHue, 1);
}
////Fill in hue value center to right
//for (int i = 180; i < 360; i++)
//{
// m_bmpTrackbarImage.SetPixel(i, 0, bmpHue.GetPixel(0, 0));
// bmpHue = Core.HLS.ChangeHue(bmpHue, 1);
//}
////Fill in hue values left to center
//for (int i = 0; i < 180; i++)
//{
// m_bmpTrackbarImage.SetPixel(i, 0, bmpHue.GetPixel(0, 0));
// bmpHue = Core.HLS.ChangeHue(bmpHue, 1);
//}
}
}
else if (tct == TrackbarColorType.Saturation)
{
tbMain.Maximum = 20;
if (ImageForColorScape != null)
{
//Shrink image and determine dominant color
Bitmap bmpTemp = new Bitmap(ImageForColorScape, Constants.iPreviewSize, Constants.iPreviewSize);
//Create a Color/Int dictionary where the int is the number of times the color is used.
Dictionary <Color, int> dicColorCount = new Dictionary <Color, int>();
Color cWorkingColor;
//Populate dictionary
for (int iX = 0; iX < bmpTemp.Width; iX++)
{
for (int iY = 0; iY < bmpTemp.Height; iY++)
{
cWorkingColor = bmpTemp.GetPixel(iX, iY);
if (dicColorCount.ContainsKey(cWorkingColor))
{
dicColorCount[cWorkingColor]++;
}
else
{
float fLuminosity = cWorkingColor.GetBrightness();
//Check if luminosity isnt too high or low
if (fLuminosity > 0.4 && fLuminosity < 0.6)
{
dicColorCount.Add(cWorkingColor, 0);
}
}
}
}
//Get most used color as base
KeyValuePair <Color, Int32> kvpMax = new KeyValuePair <Color, int>(Color.Transparent, 0);
foreach (KeyValuePair <Color, Int32> kvp in dicColorCount)
{
if (kvpMax.Value < kvp.Value)
{
kvpMax = kvp;
}
}
//Set trackbar length to 20 since we start at 0.0 and can go from 0 to 1, need to go both ways
m_bmpTrackbarImage = new Bitmap(20, 1);
//Create 1 pixel bitmap to store most common color
Bitmap bmpSatHigher = new Bitmap(1, 1);
bmpSatHigher.SetPixel(0, 0, kvpMax.Key);
Bitmap bmpSatLower = (Bitmap)bmpSatHigher.Clone();
//Fill in hue value center to right
for (int i = 10; i < 20; i++)
{
bmpSatHigher = Core.HLS.ChangeSaturation(bmpSatHigher, 0.1f);
m_bmpTrackbarImage.SetPixel(i, 0, bmpSatHigher.GetPixel(0, 0));
}
//Fill in hue values center to left
for (int i = 9; i > -1; i--)
{
bmpSatLower = Core.HLS.ChangeSaturation(bmpSatLower, -0.1f);
m_bmpTrackbarImage.SetPixel(i, 0, bmpSatLower.GetPixel(0, 0));
}
}
}
else if (tct == TrackbarColorType.Luminosity)
{
tbMain.Maximum = 240;
//Create bitmap band
m_bmpTrackbarImage = new Bitmap(240, 1);
//Create red color band
for (int i = 0; i < 240; i++)
{
m_bmpTrackbarImage.SetPixel(i, 0, Color.FromArgb(i, i, i));
}
}
else if (tct == TrackbarColorType.Brightness)
{
tbMain.Maximum = 10;
//Create bitmap band
m_bmpTrackbarImage = new Bitmap(256, 1);
//Create red color band
for (int i = 0; i < 256; i++)
{
m_bmpTrackbarImage.SetPixel(i, 0, Color.FromArgb(i, i, i));
}
}
else if (tct == TrackbarColorType.Red)
{
tbMain.Maximum = 10;
//Create bitmap band
m_bmpTrackbarImage = new Bitmap(256, 1);
//Create red color band
for (int i = 0; i < 256; i++)
{
m_bmpTrackbarImage.SetPixel(i, 0, Color.FromArgb(i, 0, 0));
}
}
else if (tct == TrackbarColorType.Green)
{
tbMain.Maximum = 10;
//Create bitmap band
m_bmpTrackbarImage = new Bitmap(256, 1);
//Create red color band
for (int i = 0; i < 256; i++)
{
m_bmpTrackbarImage.SetPixel(i, 0, Color.FromArgb(0, i, 0));
}
}
else if (tct == TrackbarColorType.Blue)
{
tbMain.Maximum = 10;
//Create bitmap band
m_bmpTrackbarImage = new Bitmap(256, 1);
//Create red color band
for (int i = 0; i < 256; i++)
{
m_bmpTrackbarImage.SetPixel(i, 0, Color.FromArgb(0, 0, i));
}
}
else if (tct == TrackbarColorType.None)
{
//Fill bitmap band with black to test rendering
m_bmpTrackbarImage = new Bitmap(tbMain.Maximum, 1);
for (int i = 0; i < tbMain.Maximum; i++)
{
m_bmpTrackbarImage.SetPixel(i, 0, Color.Black);
}
}
//Set slider to center
tbMain.Value = tbMain.Maximum / 2;
}
/// <summary>
/// Reinitializes the image portion of the trackbar and sets to center. For Hue and Saturation, an Image is required.
/// </summary>
/// <param name="tct">The trackbar Color Type to use for the image bar</param>
public void ReInit(TrackbarColorType tct)
{
Setup(tct, null);
this.Invalidate();
}
