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Effect.cpp
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Effect.cpp
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#include "Effect.h"
#include "Utils.h"
#include <QDebug>
#include <QColor>
#include <QString>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>
using namespace cv;
Effect::Effect(void)
{
}
Effect::~Effect()
{
}
void Effect::setData(const Mat &src,Mat mask)
{
m_src = src.clone();
if(m_src.channels()==1)
cvtColor(m_src,m_src,COLOR_GRAY2BGR);
else if(m_src.channels()==2)
cvtColor(m_src,m_src,COLOR_GRAY2BGRA);
m_mask = mask;
if(!m_mask.empty())
{
if(m_src.size() != m_mask.size())
{
qDebug() << "掩码和原图的尺寸应该相同";
return;
}
}
}
void Effect::reset()
{
m_src = Mat();
m_mask = Mat();
}
void Effect::replaceMask(const Mat &src, Mat &dst, Mat mask)
{
int width = src.cols;
int height = src.rows;
int channel = src.channels();
int k_num = channel;
if(channel == 2 || channel ==4)
k_num--;
for(int row=0;row < height;row++)
{
const uchar* srcP = src.ptr<uchar>(row);
uchar* dstP = dst.ptr<uchar>(row);
uchar* mskP = mask.ptr<uchar>(row);
for(int col=0;col < width;col++)
{
for(int k = 0;k < k_num;k++)
{
if(mskP[col]==1)
{
dstP[channel*col+k] = srcP[channel*col+k];
}
}
}
}
}
void Effect::look_up_table(const Mat &src, const Mat &lut, Mat &dst, Mat mask)
{
if(mask.empty())
mask = Mat::ones(src.size(),CV_8UC1);
int width = src.cols;
int height = src.rows;
int channel = src.channels();
int k_num = channel;
if(channel == 2 || channel ==4)
k_num--;
dst = src.clone();
Mat m_lut;
if(lut.channels()==1)
cvtColor(lut,m_lut,COLOR_GRAY2BGR);
else
m_lut = lut;
const uchar* lutP = m_lut.data;
for(int row=0;row < height;row++)
{
const uchar* srcP = src.ptr<uchar>(row);
uchar* dstP = dst.ptr<uchar>(row);
uchar* mskP = mask.ptr<uchar>(row);
for(int col=0;col < width;col++)
{
for(int k = 0;k < k_num;k++)
{
if(mskP[col]==1)
{
//dstP[channel*col+k] = lut.at<uchar>(srcP[channel*col+k]);
dstP[channel*col+k] = lutP[3*(srcP[channel*col+k])+k];
}
}
}
}
}
/**
* @brief 旋转缩放
*/
void Effect::RotateZoom(_RotateZoom *rotate,Mat &dst)
{
int width=m_src.cols, height=m_src.rows;
//旋转后的新图尺寸
Mat M = Mat( 2, 3, CV_32FC1 );
M = getRotationMatrix2D(Point(width/2,height/2),rotate->angle,rotate->scale);
M.at<double>(0,2) += rotate->x*width;
M.at<double>(1,2) += rotate->y*height;
warpAffine(m_src,dst,M,Size(width,height),INTER_LINEAR,BORDER_CONSTANT,Scalar(255,255,255));
}
/**
* @brief 去色，也就是灰度图
*/
void Effect::GrayScale(Mat &dst)
{
if(!m_src.data)
return;
dst = m_src.clone();
int channel = m_src.channels();
if(channel == 3)
{
cvtColor(m_src,m_src,CV_BGR2GRAY);
cvtColor(m_src,m_src,COLOR_GRAY2BGR);
}
else if(channel == 4)
{
cvtColor(m_src,m_src,COLOR_BGRA2GRAY);
cvtColor(m_src,m_src,COLOR_GRAY2BGRA);
}
if(m_mask.empty())
{
dst = m_src;
}
else
{
replaceMask(m_src,dst,m_mask);
}
}
/**
* @brief 反色算法
* Y(i,j)=255-X(i,j)
*/
void Effect::InvertColor(cv::Mat &dst)
{
if(!m_src.data)
return;
Mat lut(1,256,CV_8U);
uchar *p = lut.data;
for(int i = 0; i < 256; i++)
{
p[i] = 255-i;
}
if(m_mask.empty())
{
LUT(m_src,lut,dst);
}
else
{
look_up_table(m_src,lut,dst,m_mask);
}
}
/**
* @brief 阈值
*/
void Effect::Threshold(int value, int max, cv::Mat &dst)
{
if(!m_src.data)
return;
dst = m_src.clone();
if(m_src.channels()==3)
cvtColor(m_src,m_src,COLOR_BGR2GRAY);
Mat srcTemp;
inRange(m_src,Scalar(value),Scalar(max),srcTemp);
cvtColor(srcTemp,srcTemp,COLOR_GRAY2BGR);
if(m_mask.empty())
dst = srcTemp;
else
{
replaceMask(srcTemp,dst,m_mask);
}
}
/**
* @brief 颜色平衡
*/
void Effect::ColorBalance(_ColorBalance *color_balance,cv::Mat &dst)
{
if(!m_src.data)
return;
double highlights[256] = { 0 };
double midtones[256] = { 0 };
double shadows[256] = { 0 };
const double a = 64, b = 85, scale = 1.785;
for (int i = 0; i < 256; i++)
{
double low = Clamp ((i - b) / -a + 0.5, 0.0, 1.0) * scale;
double mid = Clamp ((i - b) / a + 0.5, 0.0, 1.0) * Clamp ((i + b - 255) / -a + 0.5, 0.0, 1.0) * scale;
shadows[i] = low;
midtones[i] = mid;
highlights[255 - i] = low;
}
Mat m_lut = Mat(1,256,CV_8UC3);
uchar *p = m_lut.data;
for (int i = 0; i < 256; i++)
{
int r_n = i, g_n = i, b_n = i ;
r_n += color_balance->cyan_red[0] * shadows[i];
r_n += color_balance->cyan_red[1] * midtones[i];
r_n += color_balance->cyan_red[2] * highlights[i];
r_n = Clamp0255(r_n);
g_n += color_balance->magenta_green[0] * shadows[i];
g_n += color_balance->magenta_green[1] * midtones[i];
g_n += color_balance->magenta_green[2] * highlights[i];
g_n = Clamp0255(g_n);
b_n += color_balance->yellow_blue[0] * shadows[i];
b_n += color_balance->yellow_blue[1] * midtones[i];
b_n += color_balance->yellow_blue[2] * highlights[i];
b_n = Clamp0255(b_n);
p[3*i]=b_n;
p[3*i+1]=g_n;
p[3*i+2]=r_n;
}
if(m_mask.empty())
LUT(m_src,m_lut,dst);
else
{
look_up_table(m_src,m_lut,dst,m_mask);
}
if(color_balance->preserve_luminosity)
{
Mat hls;
std::vector<Mat> src_hls;
std::vector<Mat> dst_hls;
cvtColor(m_src,hls,COLOR_BGR2HLS);
split(hls,src_hls);
cvtColor(dst,hls,COLOR_BGR2HLS);
split(hls,dst_hls);
dst_hls[1]=src_hls[1];
merge(dst_hls,dst);
cvtColor(dst,dst,COLOR_HLS2BGR);
}
}
/**
* @brief 亮度-对比度
*/
void Effect::BrightnessContrast(int levelB, int levelC, Mat &dst)
{
if(!m_src.data)
return;
Mat m_lut1 = Mat(1,256,CV_8U);
uchar *p1 = m_lut1.data;
for(int i=0;i<256;i++)
{
if(levelB<=0)
{
p1[i]=Clamp0255(i+i*(double)levelB/254.0);
}
else
{
p1[i]=Clamp0255(i+(255-i)*(double)levelB/254.0);
}
}
Mat m_lut2 = Mat(1,256,CV_8U);
uchar *p2 = m_lut2.data;
for(int i=0;i<256;i++)
{
double contrast = (double)levelC / 127.0;
double value = (double)i / 255.0;
double n =(value>0.5)?(1.0-value):value;
if (n < 0)
n = 0 ;
if (contrast<0)
{
n=0.5*pow(2.0*n,1.0+contrast);
}
else
{
double power = 1.0/(1.0-contrast);
n = 0.5*pow(2.0*n,power);
}
value = (value>0.5)?(1.0-n):n;
p2[i]=Clamp0255((int)(value*255));
}
if(m_mask.empty())
{
LUT(m_src,m_lut1,dst);
LUT(dst,m_lut2,dst);
}
else
{
look_up_table(m_src,m_lut1,dst,m_mask);
look_up_table(dst,m_lut2,dst,m_mask);
}
}
/**
* @brief 单色化
*/
void Effect::Colorize(int H, int S, int L, Mat &dst)
{
if(!m_src.data)
return;
int lum_red_lookup[256];
int lum_green_lookup[256];
int lum_blue_lookup[256];
int final_red_lookup[256];
int final_green_lookup[256];
int final_blue_lookup[256];
for(int i=0;i<256;i++)
{
lum_red_lookup[i] = i*0.2126;
lum_green_lookup[i] = i*0.7152;
lum_blue_lookup[i] = i*0.0722;
}
double h,s,l;
h = (double)H/360.0;
s = (double)S/100.0;
for(int i=0;i<256;i++)
{
l = (double)i/255.0;
QColor rgb = QColor::fromHslF(h,s,l).toRgb();
final_red_lookup[i]=255*rgb.redF();
final_green_lookup[i]=255*rgb.greenF();
final_blue_lookup[i]=255*rgb.blueF();
}
Mat temp = Mat(m_src.size(),m_src.type());
for(int row=0;row < m_src.rows;row++)
{
uchar* srcP = m_src.ptr<uchar>(row);
uchar* tmpP = temp.ptr<uchar>(row);
for(int col=0;col < m_src.cols;col++)
{
int lum = lum_blue_lookup[srcP[3*col]]+lum_green_lookup[srcP[3*col+1]]+lum_red_lookup[srcP[3*col+2]];
if(L>0)
{
lum = (double) lum * (100.0 - L) / 100.0;
lum += 255 - (100.0 - L) * 255.0 / 100.0;
}
else if(L<0)
{
lum = (double) lum * (L + 100.0) / 100.0;
}
tmpP[3*col] = final_blue_lookup[lum];
tmpP[3*col+1] = final_green_lookup[lum];
tmpP[3*col+2] = final_red_lookup[lum];
}
}
if(m_mask.empty())
{
dst = temp;
}
else
{
dst = m_src.clone();
replaceMask(temp,dst,m_mask);
}
}
/**
* @brief 色调分离（减少颜色数量）
*/
void Effect::Posterize(int level, Mat &dst)
{
if(!m_src.data)
return;
Mat m_lut = Mat(1,256,CV_8U);
uchar *p = m_lut.data;
for(int i=0;i<256;i++)
{
double d = 255.0/(level-1.0);
p[i]=Clamp0255(Round(d*Round(i/d)));
}
if(m_mask.empty())
{
LUT(m_src,m_lut,dst);
}
else
{
if(m_mask.size()!=m_src.size())
{
qDebug() << "掩码尺寸应与原图像相同";
return;
}
else
{
look_up_table(m_src,m_lut,dst,m_mask);
}
}
}
/**
* @brief 色调-亮度-饱和度
*/
void Effect::HueSaturation(_HueSaturation *hs, Mat &dst)
{
if(!m_src.data)
return;
int hue_transfer[6][256]={0};
int lightness_transfer[6][256]={0};
int saturation_transfer[6][256]={0};
int value;
/* Calculate transfers */
for (int hue_type=0; hue_type<6; hue_type++)
{
for (int i=0; i<256; i++)
{
/* Hue */
value = (hs->hue[0]+ hs->hue[hue_type + 1]) * 255.0 / 360.0;
if ((i + value) < 0)
hue_transfer[hue_type][i] = 255 + (i + value);
else if ((i + value) > 255)
hue_transfer[hue_type][i] = i + value - 255;
else
hue_transfer[hue_type][i] = i + value;
/* Lightness */
value = (hs->lightness[0] + hs->lightness[hue_type + 1]) * 127.0 / 100.0;
value = Clamp(value, -255, 255);
if (value < 0)
lightness_transfer[hue_type][i] = (uchar) ((i * (255 + value)) / 255);
else
lightness_transfer[hue_type][i] = (uchar) (i + ((255 - i) * value) / 255);
/* Saturation */
value = (hs->saturation[0]+ hs->saturation[hue_type + 1]) * 255.0 / 100.0;
value = Clamp(value, -255, 255);
saturation_transfer[hue_type][i] = Clamp0255((i * (255 + value)) / 255);
}
}
Mat m_lut = Mat(1,256,CV_8UC3);
uchar *p = m_lut.data;
for(int i=0;i<256;i++)
{
int hue=0;
if (i < 21)
hue = 0 ;
else if (i < 64)
hue = 1 ;
else if (i < 106)
hue = 2 ;
else if (i < 149)
hue = 3 ;
else if (i < 192)
hue = 4 ;
else if (i < 234)
hue = 5 ;
else
hue = 0 ;
p[3*i] = Clamp0255(hue_transfer[hue][i]);
p[3*i+1] = Clamp0255(lightness_transfer[hue][i]);
p[3*i+2] = Clamp0255(saturation_transfer[hue][i]);
}
Mat src_hls;
if(m_src.channels()==3)
cvtColor(m_src,src_hls,COLOR_BGR2HLS_FULL);
if(m_mask.empty())
{
LUT(src_hls,m_lut,dst);
}
else
{
look_up_table(src_hls,m_lut,dst,m_mask);
}
cvtColor(dst,dst,COLOR_HLS2BGR_FULL);
}
/**
* @brief 色调均化
*/
void Effect::Equalize(Mat &dst)
{
if(!m_src.data)
return;
dst = m_src.clone();
std::vector<Mat> rgb;
split(m_src,rgb);
equalizeHist(rgb[0],rgb[0]);
equalizeHist(rgb[1],rgb[1]);
equalizeHist(rgb[2],rgb[2]);
merge(rgb,m_src);
if(m_mask.empty())
{
dst = m_src;
}
else
{
replaceMask(m_src,dst,m_mask);
}
}
/**
* @brief 白平衡
*/
void Effect::WhiteBalance(Mat &dst)
{
if(!m_src.data)
return;
_Levels *levels = new _Levels;
for(int channel=0;channel<5;channel++)
{
levels->gamma[channel] = 1.0;
levels->low_input[channel] = 0;
levels->high_input[channel] = 255;
levels->low_output[channel] = 0;
levels->high_output[channel] = 255;
}
Histogram * hist = new Histogram(m_src);
for(int channel = 1;channel <= 3;channel++)
{
hist->calculate(0,255,channel);
const int nCount = hist->getTotal();
if (nCount == 0)
{
levels->low_input[channel] = levels->high_input[channel] = 0 ;
}
else
{
// Set the low input
for (int i=0 ; i < 255 ; i++)
{
hist->calculate(0,i,channel);
double percentage = hist->getPercent();
if(percentage>=1)
{
levels->low_input[channel] = i;
break;
}
}
// Set the high input
for (int i=255 ; i > 0 ; i--)
{
hist->calculate(i,255,channel);
double percentage = hist->getPercent();
if(percentage>=1)
{
levels->high_input[channel] = i;
break;
}
}
}
}
SafeDelete(hist);
this->Levels(levels,dst);
SafeDelete(levels);
}
/**
* @brief 颜色增强
*/
void Effect::ColorEnhance(Mat &dst)
{
if(!m_src.data)
return;
//InvertColor(m_src,src_temp);
std::vector<Mat> mask_bgr(3);
Mat mask_temp;
std::vector<Mat> src_bgr;
split(m_src,src_bgr);
min(src_bgr[0],src_bgr[1],mask_bgr[0]);
min(src_bgr[2],mask_bgr[0],mask_bgr[0]);
mask_bgr[1]=mask_bgr[0];
mask_bgr[2]=mask_bgr[0];
merge(mask_bgr,mask_temp);
m_src = m_src - mask_temp;
// for(int row=0;row < m_src.rows;row++)
// {
// Vec3b *p = src_temp.ptr<Vec3b>(row);
// Vec3b *p1 = mask_temp.ptr<Vec3b>(row);
// for(int col=0;col<m_src.cols;col++)
// {
// int k=p[col].val[0];
// if(k>p[col].val[1]) k=p[col].val[1];
// if(k>p[col].val[2]) k=p[col].val[2];
// p1[col].val[0] = k;
// p1[col].val[1] = k;
// p1[col].val[2] = k;
// p[col].val[0] = p[col].val[0]-k;
// p[col].val[1] = p[col].val[1]-k;
// p[col].val[2] = p[col].val[2]-k;
// }
// }
Mat src_hsv;
cvtColor(m_src,src_hsv,COLOR_BGR2HSV);
std::vector<Mat> hsv;
split(src_hsv,hsv);
double min,max;
minMaxIdx(hsv[2],&min,&max);
Mat m_lut = Mat(1,256,CV_8U);
uchar *p = m_lut.data;
for(int i=0;i<256;i++)
{
if(i>=min)
p[i]= 255*(i-min)/(max-min);
}
if(m_mask.empty())
{
LUT(hsv[2],m_lut,hsv[2]);
}
else
{
look_up_table(hsv[2],m_lut,hsv[2],m_mask);
}
merge(hsv,dst);
cvtColor(dst,dst,COLOR_HSV2BGR);
dst = dst + mask_temp;
//InvertColor(dst,dst);
}
/**
* @brief 色阶
*/
void Effect::Levels(_Levels *levels, Mat &dst)
{
if(!m_src.data)
return;
Mat m_lut = Mat(1,256,CV_8U);
Mat m_lutR = Mat(1,256,CV_8U);
Mat m_lutG = Mat(1,256,CV_8U);
Mat m_lutB = Mat(1,256,CV_8U);
uchar *p = m_lut.data;
uchar *pR = m_lutR.data;
uchar *pG = m_lutG.data;
uchar *pB = m_lutB.data;
for(int i=0;i<256;i++)
{
for (int j=0; j < 4; j++)
{
double inten = (double)i/255 ;
/* determine input intensity */
if(levels->low_input[j]!=levels->high_input[j])
inten = (double)(i-levels->low_input[j])/
(double)(levels->high_input[j]-levels->low_input[j]);
else
inten = i-levels->low_input[j];
/* clamp to new black and white points */
inten = Clamp(inten,0.0,1.0);
if(levels->gamma[j]!=0.0)
inten = pow(inten,(1.0/levels->gamma[j]));
/* determine the output intensity */
if (levels->high_output[j] >= levels->low_output[j])
inten = (double) (inten * (levels->high_output[j] -
levels->low_output[j]) +
levels->low_output[j]);
else if (levels->high_output[j] < levels->low_output[j])
inten = (double) (levels->low_output[j] - inten *
(levels->low_output[j] - levels->high_output[j]));
switch(j)
{
case 0:
p[i]=Clamp0255(Round(inten));
break;
case 1:
pR[i]=Clamp0255(Round(inten));
break;
case 2:
pG[i]=Clamp0255(Round(inten));
break;
case 3:
pB[i]=Clamp0255(Round(inten));
break;
}
}
}
if(m_mask.empty())
{
LUT(m_src,m_lut,dst);
std::vector<Mat> bgr;
split(dst,bgr);
LUT(bgr[2],m_lutR,bgr[2]);
LUT(bgr[1],m_lutG,bgr[1]);
LUT(bgr[0],m_lutB,bgr[0]);
merge(bgr,dst);
}
else
{
look_up_table(m_src,m_lut,dst,m_mask);
std::vector<Mat> bgr;
split(dst,bgr);
look_up_table(bgr[2],m_lutR,bgr[2],m_mask);
look_up_table(bgr[1],m_lutG,bgr[1],m_mask);
look_up_table(bgr[0],m_lutB,bgr[0],m_mask);
merge(bgr,dst);
}
}
/**
* @brief 曲线
*/
void Effect::Curve(_Curve *curve, Mat &dst)
{
if(!m_src.data)
return;
Mat m_lut = Mat(1,256,CV_8U);
Mat m_lutR = Mat(1,256,CV_8UC1);
Mat m_lutG = Mat(1,256,CV_8UC1);
Mat m_lutB = Mat(1,256,CV_8UC1);
uchar *p = m_lut.data;
uchar *pR = m_lutR.data;
uchar *pG = m_lutG.data;
uchar *pB = m_lutB.data;
for(int i=0;i<256;i++)
{
for(int j=0;j<4;j++)
{
switch(j)
{
case 0:
p[i]=Clamp0255(curve->rgb[i]);
break;
case 1:
pR[i]=Clamp0255(curve->r[i]);
break;
case 2:
pG[i]=Clamp0255(curve->g[i]);
break;
case 3:
pB[i]=Clamp0255(curve->b[i]);
break;
}
}
}
if(m_mask.empty())
{
LUT(m_src,m_lut,dst);
std::vector<Mat> bgr;
split(dst,bgr);
LUT(bgr[2],m_lutR,bgr[2]);
LUT(bgr[1],m_lutG,bgr[1]);
LUT(bgr[0],m_lutB,bgr[0]);
merge(bgr,dst);
}
else
{
look_up_table(m_src,m_lut,dst,m_mask);
std::vector<Mat> bgr;
split(dst,bgr);
look_up_table(bgr[2],m_lutR,bgr[2],m_mask);
look_up_table(bgr[1],m_lutG,bgr[1],m_mask);
look_up_table(bgr[0],m_lutB,bgr[0],m_mask);
merge(bgr,dst);
}
}
/**
* @brief 径向模糊
*/
void Effect::ZoomBlur(_ZoomBlur *blur, Mat &dst)
{
if(!m_src.data)
return;
int width=m_src.cols;
int height=m_src.rows;
long fox = (long)(width * blur->center_x * 32768.0);
long foy = (long)(height* blur->center_y * 32768.0);
long fcx = fox + (width << 15);
long fcy = foy + (height << 15);
long fz = blur->FocalLength;
const int n = 64;
Mat temp = Mat(m_src.size(),m_src.type());
for (int row=0; row<height; row++)
{
uchar *srcP = m_src.ptr<uchar>(row);
uchar *tmpP = temp.ptr<uchar>(row);
for (int col=0; col<width; col++)
{
long fx = (col << 16) - fcx;
long fy = (row << 16) - fcy;
int sr = 0;
int sg = 0;
int sb = 0;
sb += srcP[3*col];
sg += srcP[3*col+1];
sr += srcP[3*col+2];
for (int i = 0; i < n; ++i)
{
fx -= ((fx >> 4) * fz) >> 10;
fy -= ((fy >> 4) * fz) >> 10;
int u = (int)((fx + fcx + 32768) >> 16);
int v = (int)((fy + fcy + 32768) >> 16);
sb += m_src.at<Vec3b>(v,u)[0];
sg += m_src.at<Vec3b>(v,u)[1];
sr += m_src.at<Vec3b>(v,u)[2];
}
tmpP[3*col] = sb/(n+1);
tmpP[3*col+1] = sg/(n+1);
tmpP[3*col+2] = sr/(n+1);
}
}
if(m_mask.empty())
{
dst = temp;
}
else
{
dst = m_src.clone();
replaceMask(temp,dst,m_mask);
}
}
/**
* @brief 旋转模糊
*/
void Effect::RadialBlur(_RadialBlur *blur, Mat &dst)
{
if(!m_src.data)
return;
int width=m_src.cols;
int height=m_src.rows;
int nCenX = (blur->center_x+1)*width/2,
nCenY = (blur->center_y+1)*height/2,
R = (int) hypot(Max(nCenX,width-nCenX), Max(nCenY,height-nCenY)),
n = (int)(4 * AngleToRadian(blur->angle) * sqrt((double)R) + 2) ;
double ct[n], st[n] ;
double theta = (double)AngleToRadian(blur->angle) / ((double)(n - 1)),
offset = double(theta * (n - 1) / 2.0) ;
for (int i=0 ; i < n ; i++)
{
ct[i] = cos (theta * i - offset) ;
st[i] = sin (theta * i - offset) ;
}
Mat temp = Mat(m_src.size(),m_src.type());
for (int row=0; row<height; row++)
{
uchar *srcP = m_src.ptr<uchar>(row);
uchar *tmpP = temp.ptr<uchar>(row);
for (int col=0; col<width; col++)
{
int xr = col - nCenX, yr = row - nCenY,
r = (int)sqrt ((double)FSquare(xr) + (double)FSquare(yr)),
nStep ;
if (r == 0)
nStep = 1 ;
else
{
nStep = R/r ;
if (nStep == 0)
nStep = 1 ;
else
if (nStep > n-1)
nStep = n-1 ;
}
int nSumB=0,nSumG=0,nSumR=0,nCount = 0;
nSumB += srcP[3*col];
nSumG += srcP[3*col+1];
nSumR += srcP[3*col+2];
for (int i=0 ; i < n ; i += nStep)
{
int xx = (int)(nCenX + xr * ct[i] - yr * st[i]),
yy = (int)(nCenY + xr * st[i] + yr * ct[i]) ;
if (xx > 0 && yy > 0 && xx < width && yy < height)
{
nSumB += m_src.at<Vec3b>(yy,xx)[0];
nSumG += m_src.at<Vec3b>(yy,xx)[1];
nSumR += m_src.at<Vec3b>(yy,xx)[2];
nCount++ ;
}
}
tmpP[3*col] = nSumB/(nCount+1);
tmpP[3*col+1] = nSumG/(nCount+1);
tmpP[3*col+2] = nSumR/(nCount+1);
}
}
if(m_mask.empty())
{
dst = temp;
}
else
{
dst = m_src.clone();
replaceMask(temp,dst,m_mask);
}
}
/**
* @brief 高斯模糊
*/
void Effect::GaussianBlur2(int x, int y, Mat &dst)
{
if(!m_src.data)
return;
dst = m_src.clone();
GaussianBlur(m_src,m_src,Size(2*x-1,2*y-1),0,0);
if(m_mask.empty())
{
dst = m_src;
}
else
{
replaceMask(m_src,dst,m_mask);
}
}
/**
* @brief 运动模糊
*/
void Effect::MotionBlur(_MotionBlur *blur, Mat &dst)
{
if(!m_src.data)
return;