tmp_osc/GlobalInfo/GlobalInfo.cpp

#include "GlobalInfo.h"

/* OscData使用的眼图矩阵 */
EyeDataMatrix g_eyeDataMatrix;
/* OscWidget使用的眼图矩阵 */
EyeMapMatrix g_eyeMapMatrix;



EyeDataMatrix::EyeDataMatrix() : dataMatrix(1000, std::vector<EyeDataSample>(256))
{

}


/* 给一个采样点添加个数，为啥使用浮点数，添加0.99，不直接添加正数呢 */
void EyeDataMatrix::addData(int x, int y) 
{
    if(dataMatrix[x][y].fCnt < 79999.0)
    {
        dataMatrix[x][y].fCnt += eyenWeightCoefficient;
    }
}

/**
 * @brief 比重统计，点数大于79999的个数比点数大于0的个数的比重超过0.25，就开始减慢颜色变化的速度
 * 
 */
void EyeDataMatrix::eyeStatisticalWeight()
{
    eyeIsLessenTheBurden = true;
    if (eyenWeightCoefficient <= eyenWeightCoefficientMIN)
    {
        return;
    }
    int num = 0;            /* 点数大于0的个数 */
    int num2 = 0;           /* 点数大于79999的个数 */
    double num3 = 0.0;
    int numMax = 79999;
    for (int i = 0; i < 1000; i++)
    {
        for (int j = 0; j < 256; j++)
        {
            if (dataMatrix[i][j].fCnt > 0.0)
            {
                num++;
                if (dataMatrix[i][j].fCnt >= (double)numMax)
                {
                    num2++;
                }
            }
        }
    }
    if (num2 > 0)
    {
        num3 = (double)num2 / (double)num;
    }
    if (num3 >= 0.25)
    {
        eyeIsLessenTheBurden = false;
    }
}

/**
 * @brief 眼图减慢颜色变化的速度
 * 
 */
void EyeDataMatrix::eyeLessenTheBurden()
{
	if (eyeIsLessenTheBurden)
	{
		return;
	}
	int num = 0;
	for (int i = 0; i < 1000; i++)
	{
		for (int j = 0; j < 256; j++)
		{
			if (dataMatrix[i][j].fCnt > 0.0)
			{
				num = (int)(dataMatrix[i][j].fCnt * 0.05);
				dataMatrix[i][j].fCnt -= num;
			}
		}
	}
	eyenWeightCoefficient *= eyenWeightCoefficient;
}


std::shared_ptr<Vec2D> EyeDataMatrix::eyeZoomOut()
{
	std::shared_ptr<Vec2D> array = std::make_shared<Vec2D>(1000, std::vector<EyeDataSample>(256));
	for (int i = 0; i < 1000; i++)
	{
		for (int j = 0; j < 256; j++)
		{
			EyeDataSample pEyeData2;
			pEyeData2.x = dataMatrix[i][j].x;
			pEyeData2.y = dataMatrix[i][j].y;
			pEyeData2.fCnt = dataMatrix[i][j].fCnt;
			pEyeData2.data = dataMatrix[i][j].data;
			if (dataMatrix[i][j].fCnt > 0.0) {
				pEyeData2.fCnt /= 100.0;
				pEyeData2.Cnt = (int)pEyeData2.fCnt;
			}
			(*array)[i][j] = pEyeData2;
		}
	}
	return array;
}


/* 初始化数据点 */
void EyeMapMatrix::initEyeMapData(int width, int height)
{
    double saH = height / 256.0;
    double saW = width / 1000.0;
    for(int i = 0; i < 1000; i++)
    {
        for(int j = 0; j < 256; j++)
        {
            dataMatrix[i][j].x = (int)(i * saW);
            dataMatrix[i][j].y = (int)(j * saH);
            dataMatrix[i][j].rect = QRect(dataMatrix[i][j].x, dataMatrix[i][j].y, (int)saW, (int)saH);
        }
    }
}

/* 拷贝数据到数组中 */
void EyeMapMatrix::copyDataMatrix(Vec2D& data)
{
    for (int i = 0; i < 1000; i++)
    {
        for (int j = 0; j < 256; j++)
        {
            if (dataMatrix[i][j].Count != data[i][j].fCnt)
            {
                if (data[i][j].fCnt > 799.0)
                {
                    dataMatrix[i][j].Count = 799;
                }
                else
                {
                    dataMatrix[i][j].Count = data[i][j].fCnt;
                }
                dataMatrix[i][j].isDraw = true;
            }
        }
    }
}

/* 将Count数值与颜色对应 */
void EyeMapMatrix::addColorBySample()
{
    int r = 0;
    int g = 0;
    int b = 0;
    double dec = 255 / 100.0;
    for(int i = 0; i < 1000; i++)
    {
        for(int j = 0; j < 256; j++)
        {
            if(dataMatrix[i][j].isDraw == false)
            {
                continue;
            }
            if(dataMatrix[i][j].Count <= 0)
            {
                dataMatrix[i][j].Count = 0;
                continue;
            }
            if(dataMatrix[i][j].Count > 799)
            {
                dataMatrix[i][j].Count = 799;
            }
            /* 1~100，RGB开始减G，往紫色方向走，为显示清楚，G直接从200开始减 */
            if(dataMatrix[i][j].Count >= 1 && dataMatrix[i][j].Count <= 100)
            {
                r = 255;
                g = 200 - dataMatrix[i][j].Count * 2;
                b = 255;
            }
            /* 101~200，R0B开始减R，往蓝色方向走，这里开始100分成255份 */
            else if(dataMatrix[i][j].Count >= 101 && dataMatrix[i][j].Count <= 200)
            {
                r = 255 - (dataMatrix[i][j].Count - 100) * dec;
                g = 0;
                b = 255;
            }
            /* 201~300，00B开始增加G，往青色方向走 */
            else if (dataMatrix[i][j].Count >= 201 && dataMatrix[i][j].Count <= 300)
            {
                r = 0;
                g = (dataMatrix[i][j].Count - 200) * dec;
                b = 255;
            }
            /* 301~400，0GB开始减B，往绿色方向走 */
            else if (dataMatrix[i][j].Count >= 301 && dataMatrix[i][j].Count <= 400)
            {
                r = 0;
                g = 255;
                b = 255 - (dataMatrix[i][j].Count - 300) * dec;
            }
            /* 401~500，0G0开始增加R，往黄色方向走 */
            else if (dataMatrix[i][j].Count >= 401 && dataMatrix[i][j].Count <= 500)
            {
                r = (dataMatrix[i][j].Count - 400) * dec;
                g = 255;
                b = 0;
            }
            /* 501~600，RG0开始减G，往红色方向走 */
            else if (dataMatrix[i][j].Count >= 501 && dataMatrix[i][j].Count <= 600)
            {
                r = 255;
                g = 255 - (dataMatrix[i][j].Count - 500) * dec;
                b = 0;
            }
            /* 601~700，R00开始减R，往黑色方向走 */
            else if (dataMatrix[i][j].Count >= 601 && dataMatrix[i][j].Count <= 700)
            {
                r = 255 - (dataMatrix[i][j].Count - 600) * dec;
                g = 0;
                b = 0;
            }
            /* 大于700，直接显示黑色 */
            else
            {
                r = 0;
                g = 0;
                b = 0;
            }
            // dataMatrix[i][j].color = QColor(r, g, b);
            dataMatrix[i][j].brush = QBrush(QColor(r, g, b));
        }
    }
}