//计算部分区域颜色
public static Color GetMajorColor2(WriteableBitmap bitmap)
{
ImageBlur imageBlur = new ImageBlur(bitmap);
//色相数组
int[] majorHues = new int[361];
for (int i = 0; i < majorHues.Length; i++)
{
majorHues[i] = 0;
}
int sat_sum = 0;
int lig_sum = 0;
int hue_sum = 0;
int counts = 0;
//计算主色调
for (int h = 0; h < bitmap.PixelHeight; h++)
{
for (int w = 0; w < bitmap.PixelWidth; w++)
{
if (w > 880 & h < 40)
{
int hue = imageBlur.getPixelHue(w, h);
int sat = imageBlur.getPixelSat(w, h);
int lig = imageBlur.getPixelLig(w, h);
hue_sum += hue;
sat_sum += sat;
lig_sum += lig;
counts++;
}
}
}
double finLig1 = Math.Sqrt(lig_sum / (counts)) * 10;
int finSat2 = Convert.ToInt32(Math.Sqrt(sat_sum / (counts)) * 10);
int finLig2 = Convert.ToInt32(Math.Sqrt(lig_sum / (counts)) * 10);
int finLig = lig_sum / (counts);
int finSat = sat_sum / (counts);
int finHue = hue_sum / (counts);
ColorAbouts colorAbouts = new ColorAbouts();
ColorAbouts.RgbColor rgbColorMain = colorAbouts.HslToRgb(finHue, finSat2, finLig2);
Color myColor = Color.FromArgb(255,
Convert.ToByte(rgbColorMain.red),
Convert.ToByte(rgbColorMain.green),
Convert.ToByte(rgbColorMain.blue));
return(myColor);
}
public static Color GetMajorColor(WriteableBitmap bitmap, StackPanel StatisticsGrid)
{
ImageBlur imageBlur = new ImageBlur(bitmap);
//色相数组
int[] majorHues = new int[361];
for (int i = 0; i < majorHues.Length; i++)
{
majorHues[i] = 0;
}
int[] majorSatCounts = new int[361];
for (int i = 0; i < majorSatCounts.Length; i++)
{
majorSatCounts[i] = 0;
}
double lum_sum = 0;
double imageCounts = 0;
int darkLumCounts = 0;
//计算主色调
for (int h = 0; h < bitmap.PixelHeight; h++)
{
for (int w = 0; w < bitmap.PixelWidth; w++)
{
int hue = imageBlur.getPixelHue(w, h);
int sat = imageBlur.getPixelSat(w, h);
int lum = imageBlur.getPixelLig(w, h);
imageCounts++;
lum_sum += lum;
if (lum > 10)
{
majorHues[hue] += sat;
majorSatCounts[hue]++;
}
else
{
darkLumCounts++;
}
}
}
//比较得到最多的色调
int hueMaxCounts = 0;
int hueMax = 0;
for (int i = 0; i < majorHues.Length; i++)
{
if (majorHues[i] > hueMaxCounts)
{
hueMaxCounts = majorHues[i];
hueMax = i;
}
}
int majorHue = hueMax;
int majorSat = majorHues[hueMax] / majorSatCounts[hueMax];
double majorLum = 0;
majorLum = lum_sum / 600000;
// double abcdef = 1 / 3;
// int balanceLum = Convert.ToInt32(Math.Pow((2500*majorLum) - 125000, abcdef) +50);
double aaaaaa = 1 / 2;
int balanceLum = Convert.ToInt32(Math.Pow(100 * majorLum, aaaaaa));
int balanceLum2 = Convert.ToInt32(majorLum);
ColorAbouts colorAbouts = new ColorAbouts();
ColorAbouts.RgbColor rgbColorMain = colorAbouts.HslToRgb(majorHue, majorSat, balanceLum2);
Color myColor = Color.FromArgb(255,
Convert.ToByte(rgbColorMain.red),
Convert.ToByte(rgbColorMain.green),
Convert.ToByte(rgbColorMain.blue));
StatisticsGrid.Children.Clear();
// 绘图部分
for (int i = 0; i < majorSatCounts.Length; i++)
{
ColorAbouts colorAbouts2 = new ColorAbouts();
int r = colorAbouts2.HslToRgb(i, 100, 100).red;
int g = colorAbouts2.HslToRgb(i, 100, 100).green;
int b = colorAbouts2.HslToRgb(i, 100, 100).blue;
SolidColorBrush solidColorBrush = new SolidColorBrush(Color.FromArgb(255, Convert.ToByte(r), Convert.ToByte(g), Convert.ToByte(b)));
var line1 = new Line
{
Stroke = solidColorBrush,
X2 = Math.Pow(majorHues[i], 0.45) //这里有个值太小然后闪退的问题，复现：丢一张纯色图进去
};
StatisticsGrid.Children.Add(line1);
}
//绘制背景
ColorAbouts colorAbouts3 = new ColorAbouts();
int r3 = colorAbouts3.HslToRgb(0, 0, balanceLum2).red;
int g3 = colorAbouts3.HslToRgb(0, 0, balanceLum2).green;
int b3 = colorAbouts3.HslToRgb(0, 0, balanceLum2).blue;
SolidColorBrush solidColorBrush2 = new SolidColorBrush(Color.FromArgb(255, Convert.ToByte(r3), Convert.ToByte(g3), Convert.ToByte(b3)));
StatisticsGrid.Background = solidColorBrush2;
return(myColor);
}