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blur.c
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blur.c
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#include <stdio.h>
#include "type.h"
#define SRC_PTR(p) {\
p_src = malloc(img_height<<2);\
p_src[0] = src->data.ptr;\
for(i=1;i<img_height;i++)\
p_src[i] = p_src[i-1]+src->width;\
}\
#define DST_PTR(p) {\
p_dst = malloc(img_height<<2);\
p_dst[0] = dst->data.ptr;\
for(i=1;i<img_height;i++)\
p_dst[i] = p_dst[i-1]+dst->width;\
}\
#define SRC(x,y) *(p_src[y]+(x))
#define DST(x,y) *(p_dst[y]+(x))
#define BLUR4(x,y) {\
lx1 = (x)-3;\
lx2 = (x)+3;\
ly1 = (y)-3;\
ly2 = (y)+3;\
\
if(lx1<0)\
lx1 = 0-lx1;\
else if(lx1>img_width-1)\
lx1 = (img_width<<1)-2-lx1;\
\
if(lx2<0)\
lx2 = 0-lx2;\
else if(lx2>img_width-1)\
lx2 = (img_width<<1)-2-lx2;\
\
if(ly1<0)\
ly1 = 0-ly1;\
else if(ly1>img_height-1)\
ly1 = (img_height<<1)-2-ly1;\
\
if(ly2<0)\
ly2 = 0-ly2;\
else if(ly2>img_height-1)\
ly2 = (img_height<<1)-2-ly2;\
\
sum = *(p_src[ly1]+lx1);\
sum = sum+(*(p_src[ly1]+lx2));\
sum = sum+(*(p_src[ly2]+lx1));\
sum = sum+(*(p_src[ly2]+lx2));\
\
lx1 = (x)-2;\
lx2 = (x)+2;\
ly1 = (y)-2;\
ly2 = (y)+2;\
\
if(lx1<0)\
lx1 = 0-lx1;\
else if(lx1>img_width-1)\
lx1 = (img_width<<1)-2-lx1;\
\
if(lx2<0)\
lx2 = 0-lx2;\
else if(lx2>img_width-1)\
lx2 = (img_width<<1)-2-lx2;\
\
if(ly1<0)\
ly1 = 0-ly1;\
else if(ly1>img_height-1)\
ly1 = (img_height<<1)-2-ly1;\
\
if(ly2<0)\
ly2 = 0-ly2;\
else if(ly2>img_height-1)\
ly2 = (img_height<<1)-2-ly2;\
\
sum = sum+(*(p_src[(y)]+lx1));\
sum = sum+(*(p_src[(y)]+lx2));\
sum = sum+(*(p_src[ly2]+(x)));\
sum = sum+(*(p_src[ly2]+(x)));\
\
*(p_dst[(y)]+(x)) = (sum+4)>>3;\
}\
void imgBlur4(ImgMat *src,ImgMat *dst,int r)
{
int cn;
cn = ((src->type&0xF8)>>3)+1;
if(cn!=1)
return;
int img_width;
img_width = src->width;
int img_height;
img_height = src->height;
if((img_height != dst->height)||(img_width != dst->width)||(dst->type != TYPE_8UC1))
imgMatRedefine(dst,src->height,src->width,TYPE_8UC1);
if(dst->data.ptr == NULL)
imgCreateMatData(dst);
int i,j;
int lx1,ly1,lx2,ly2;
int sum;
unsigned char **p_src;
SRC_PTR(p_src);
unsigned char **p_dst;
DST_PTR(p_dst);
int data_a[3][3];
int data_b[2][2];
int data0,data1,data2,data3;
// int s;
// r= 6;
// na = 2*(r/4)+1;
// nb = 2*((r+2)/4);
BLUR4(0,0);
BLUR4(0,2);
DST(0,1) = (DST(0,0)+DST(0,2)+1)>>1;
for(i=2;i<img_width;i++)
{
BLUR4(i,0);
BLUR4(i,2);
DST(i,1) = (DST(i,0)+DST(i,2)+1)>>1;
DST(i-1,0) = (DST(i-2,0)+DST(i,0)+1)>>1;
DST(i-1,2) = (DST(i-2,2)+DST(i,2)+1)>>1;
DST(i-1,1) = (DST(i-1,0)+DST(i-1,2)+1)>>1;
}
if(i!=img_width+1)
{
BLUR4(img_width-1,0);
BLUR4(img_width-1,2);
DST(img_width-1,1) = (DST(img_width-1,0)+DST(img_width-1,2)+1)>>1;
}
for(j=4;j<img_height-4;j=j+2)
{
data_a[1][0] = SRC(0,j-4);
data_a[1][1] = SRC(0,j);
data_a[1][2] = SRC(0,j+4);
data_a[2][0] = SRC(4,j-4);
data_a[2][1] = SRC(4,j);
data_a[2][2] = SRC(4,j+4);
data_b[1][0] = SRC(2,j-2);
data_b[1][1] = SRC(2,j+2);
sum = data_a[1][0]+data_a[1][1]+data_a[1][2]+data_b[1][0]+data_b[1][1]+data_a[2][1];
data1 = (sum+3)/6;
data3 = (sum+data_a[2][1]+data_a[2][2]+4)/8;
data2 = (data1+data3+1)>>1;
DST(0,j) = data1;
DST(1,j) = data2;
DST(2,j) = data3;
DST(0,j-1) = (data1+DST(0,j-2)+1)>>1;
DST(1,j-1) = (data1+DST(1,j-2)+1)>>1;
DST(2,j-1) = (data1+DST(2,j-2)+1)>>1;
for(i=4;i<img_width-4;i=i+4)
{
data_a[0][0] = data_a[1][0];
data_a[0][1] = data_a[1][1];
data_a[0][2] = data_a[1][2];
data_a[1][0] = data_a[2][0];
data_a[1][1] = data_a[2][1];
data_a[1][2] = data_a[2][2];
data_a[2][0] = SRC(i+4,j-4);
data_a[2][1] = SRC(i+4,j);
data_a[2][2] = SRC(i+4,j+4);
data_b[0][0] = data_b[1][0];
data_b[0][1] = data_b[1][1];
data_b[1][0] = SRC(i+2,j-2);
data_b[1][1] = SRC(i+2,j+2);
sum = data_a[1][0]+data_a[1][1]+data_a[1][2]+data_b[1][0]+data_b[1][1]+data_a[2][1];
data1 = (sum+data_a[0][1]+data_b[0][0]+data_b[0][1]+4)/9;
data0 = (data3+data1+1)>>1;
data3 = (sum+data_a[2][0]+data_a[2][2]+4)>>3;
data2 = (data1+data3+1)>>1;
// if(((i==404)||(i==408))&&(j==148))
// {
// printf("sum is %d\n",sum);
// printf("left is %d,%d,%d\n",data_a[0][0],data_b[0][0],data_b[0][1]);
// printf("data1 is %d\n\n",data1);
// printf("right is %d,%d\n",data_a[2][0],data_a[2][2]);
// printf("data3 is %d\n\n",data3);
// }
DST(i-1,j) = data0;
DST(i,j) = data1;
DST(i+1,j) = data2;
DST(i+2,j) = data3;
DST(i-1,j-1) = (data0+DST(i-1,j-2)+1)>>1;
DST(i,j-1) = (data1+DST(i,j-2)+1)>>1;
DST(i+1,j-1) = (data2+DST(i+1,j-2)+1)>>1;
DST(i+2,j-1) = (data3+DST(i+2,j-2)+1)>>1;
}
for(i=i-2;i<img_width;i=i+2)
{
BLUR4(i,j);
data3 = DST(i,j);
data2 = (data1+data3+1)>>1;
DST(i-1,j) = data2;
DST(i-1,j-1) = (data2+DST(i-1,j-2)+1)>>1;
DST(i,j-1) = (data3+DST(i,j-2)+1)>>1;
}
if(i!=img_width+1)
{
BLUR4(img_width-1,j);
DST(img_width-1,j-1) = (DST(img_width-1,j)+DST(img_width-1,j-2)+1)>>1;
}
}
for(;j<img_height;j=j+2)
{
BLUR4(0,j);
DST(0,j-1) = (DST(0,j)+DST(0,j-2)+1)>>1;
for(i=2;i<img_width;i=i+2)
{
BLUR4(i,j);
DST(i,j-1) = (DST(i,j)+DST(i,j-2)+1)>>1;
DST(i-1,j) = (DST(i,j)+DST(i-2,j)+1)>>1;
DST(i-1,j-1) = (DST(i-1,j)+DST(i-1,j-2)+1)>>1;
}
if(i!=img_width+1)
{
i = img_width-1;
BLUR4(i,j);
DST(i,j-1) = (DST(i,j)+DST(i,j-2)+1)>>1;
}
}
if(j!=img_height+1)
{
j=img_height-1;
BLUR4(0,j);
for(i=2;i<img_width;i=i+2)
{
BLUR4(i,j);
DST(i-1,j) = (DST(i,j)+DST(i-2,j)+1)>>1;
}
BLUR4(img_width-1,j);
}
free(p_src);
free(p_dst);
}
#define BLUR5(x,y) {\
lx1 = (x)-4;\
lx2 = (x)+4;\
ly1 = (y)-4;\
ly2 = (y)+4;\
\
if(lx1<0)\
lx1 = 0-lx1;\
else if(lx1>img_width-1)\
lx1 = (img_width<<1)-2-lx1;\
\
if(lx2<0)\
lx2 = 0-lx2;\
else if(lx2>img_width-1)\
lx2 = (img_width<<1)-2-lx2;\
\
if(ly1<0)\
ly1 = 0-ly1;\
else if(ly1>img_height-1)\
ly1 = (img_height<<1)-2-ly1;\
\
if(ly2<0)\
ly2 = 0-ly2;\
else if(ly2>img_height-1)\
ly2 = (img_height<<1)-2-ly2;\
\
sum = *(p_src[ly1]+lx1);\
sum = sum+(*(p_src[ly1]+lx2));\
sum = sum+(*(p_src[ly2]+lx1));\
sum = sum+(*(p_src[ly2]+lx2));\
\
lx1 = (x)-3;\
lx2 = (x)+3;\
ly1 = (y)-3;\
ly2 = (y)+3;\
\
if(lx1<0)\
lx1 = 0-lx1;\
else if(lx1>img_width-1)\
lx1 = (img_width<<1)-2-lx1;\
\
if(lx2<0)\
lx2 = 0-lx2;\
else if(lx2>img_width-1)\
lx2 = (img_width<<1)-2-lx2;\
\
if(ly1<0)\
ly1 = 0-ly1;\
else if(ly1>img_height-1)\
ly1 = (img_height<<1)-2-ly1;\
\
if(ly2<0)\
ly2 = 0-ly2;\
else if(ly2>img_height-1)\
ly2 = (img_height<<1)-2-ly2;\
\
sum = sum+(*(p_src[(y)]+lx1));\
sum = sum+(*(p_src[(y)]+lx2));\
sum = sum+(*(p_src[ly2]+(x)));\
sum = sum+(*(p_src[ly2]+(x)));\
\
*(p_dst[(y)]+(x)) = (sum+4)>>3;\
}\
void imgBlur5(ImgMat *src,ImgMat *dst,int r)
{
int cn;
cn = ((src->type&0xF8)>>3)+1;
if(cn!=1)
return;
int img_width;
img_width = src->width;
int img_height;
img_height = src->height;
if((img_height != dst->height)||(img_width != dst->width)||(dst->type != TYPE_8UC1))
imgMatRedefine(dst,src->height,src->width,TYPE_8UC1);
if(dst->data.ptr == NULL)
imgCreateMatData(dst);
int i,j;
int lx1,ly1,lx2,ly2;
int sum;
unsigned char **p_src;
SRC_PTR(p_src);
unsigned char **p_dst;
DST_PTR(p_dst);
int sum_a[3];
int sum_b[3];
int data0,data1,data2,data3;
BLUR5(0,0);
BLUR5(0,2);
DST(0,1) = (DST(0,0)+DST(0,2)+1)>>1;
for(i=2;i<img_width;i=i+2)
{
BLUR5(i,0);
BLUR5(i,2);
DST(i,1) = (DST(i,0)+DST(i,2)+1)>>1;
DST(i-1,0) = (DST(i-2,0)+DST(i,0)+1)>>1;
DST(i-1,2) = (DST(i-2,2)+DST(i,2)+1)>>1;
DST(i-1,1) = (DST(i-1,0)+DST(i-1,2)+1)>>1;
}
if(i!=img_width+1)
{
BLUR5(img_width-1,0);
BLUR5(img_width-1,2);
DST(img_width-1,1) = (DST(img_width-1,0)+DST(img_width-1,2)+1)>>1;
}
for(j=4;j<img_height-4;j=j+2)
{
sum_a[1] = SRC(0,j-4)+SRC(0,j)+SRC(0,j+4);
sum_a[2] = SRC(4,j-4)+SRC(4,j)+SRC(4,j+4);
sum_b[1] = SRC(2,j-2)+SRC(2,j+2);
sum_b[2] = SRC(6,j-2)+SRC(6,j+2);
sum = sum_a[1]+sum_a[2]+sum_b[1];
data1 = (sum+4)>>3;
DST(0,j) = data1;
DST(0,j-1) = (data1+DST(0,j-2)+1)>>1;
sum = sum+sum_b[2];
data3 = (sum+5)/10;
DST(2,j) = data3;
DST(2,j-1) = (data3+DST(2,j-2)+1)>>1;
data2 = (data1+data3+1)>>1;
DST(1,j) = data2;
DST(1,j-1) = (data2+DST(1,j-2)+1)>>1;
for(i=4;i<img_width-6;i=i+4)
{
sum_a[0] = sum_a[1];
sum_a[1] = sum_a[2];
sum_a[2] = SRC(i+4,j-4)+SRC(i+4,j)+SRC(i+4,j+4);
sum_b[0] = sum_b[1];
sum_b[1] = sum_b[2];
sum_b[2] = SRC(i+6,j-2)+SRC(i+6,j+2);
sum = sum+sum_a[2];
data1 = (sum+6)/13;
DST(i,j) = data1;
DST(i,j-1) = (data1+DST(i,j-2)+1)>>1;
data0 = (data3+data1+1)>>1;
DST(i-1,j) = data0;
DST(i-1,j-1) = (data0+DST(i-1,j-2)+1)>>1;
sum = sum-sum_a[0]+sum_b[2];
data3 = (sum+6)/12;
DST(i+2,j) = data3;
DST(i+2,j-1) = (data3+DST(i+2,j-2)+1)>>1;
data2 = (data1+data3+1)>>1;
DST(i+1,j) = data2;
DST(i+1,j-1) = (data2+DST(i+1,j-2)+1)>>1;
sum = sum-sum_b[0];
}
for(i=i-2;i<img_width;i=i+2)
{
BLUR5(i,j);
data3 = DST(i,j);
data2 = (data1+data3+1)>>1;
DST(i-1,j) = data2;
DST(i-1,j-1) = (data2+DST(i-1,j-2)+1)>>1;
DST(i,j-1) = (data3+DST(i,j-2)+1)>>1;
}
if(i!=img_width+1)
{
BLUR5(img_width-1,j);
DST(img_width-1,j-1) = (DST(img_width-1,j)+DST(img_width-1,j-2)+1)>>1;
}
}
for(;j<img_height;j=j+2)
{
BLUR5(0,j);
DST(0,j-1) = (DST(0,j)+DST(0,j-2)+1)>>1;
for(i=2;i<img_width;i=i+2)
{
BLUR5(i,j);
DST(i,j-1) = (DST(i,j)+DST(i,j-2)+1)>>1;
DST(i-1,j) = (DST(i,j)+DST(i-2,j)+1)>>1;
DST(i-1,j-1) = (DST(i-1,j)+DST(i-1,j-2)+1)>>1;
}
if(i!=img_width+1)
{
i = img_width-1;
BLUR5(i,j);
DST(i,j-1) = (DST(i,j)+DST(i,j-2)+1)>>1;
}
}
if(j!=img_height+1)
{
j=img_height-1;
BLUR5(0,j);
for(i=2;i<img_width;i=i+2)
{
BLUR5(i,j);
DST(i-1,j) = (DST(i,j)+DST(i-2,j)+1)>>1;
}
BLUR5(img_width-1,j);
}
free(p_src);
free(p_dst);
dst->memory_valid[0] = 1;
dst->memory_valid[1] = 0;
}
#define BLUR6(x,y) {\
lx1 = (x)-6;\
lx2 = (x)+6;\
ly1 = (y)-6;\
ly2 = (y)+6;\
\
if(lx1<0)\
lx1 = 0-lx1;\
else if(lx1>img_width-1)\
lx1 = (img_width<<1)-2-lx1;\
\
if(lx2<0)\
lx2 = 0-lx2;\
else if(lx2>img_width-1)\
lx2 = (img_width<<1)-2-lx2;\
\
if(ly1<0)\
ly1 = 0-ly1;\
else if(ly1>img_height-1)\
ly1 = (img_height<<1)-2-ly1;\
\
if(ly2<0)\
ly2 = 0-ly2;\
else if(ly2>img_height-1)\
ly2 = (img_height<<1)-2-ly2;\
\
sum = *(p_src[ly1]+lx1);\
sum = sum+(*(p_src[ly1]+lx2));\
sum = sum+(*(p_src[ly2]+lx1));\
sum = sum+(*(p_src[ly2]+lx2));\
\
lx1 = (x)-4;\
lx2 = (x)+4;\
ly1 = (y)-4;\
ly2 = (y)+4;\
\
if(lx1<0)\
lx1 = 0-lx1;\
else if(lx1>img_width-1)\
lx1 = (img_width<<1)-2-lx1;\
\
if(lx2<0)\
lx2 = 0-lx2;\
else if(lx2>img_width-1)\
lx2 = (img_width<<1)-2-lx2;\
\
if(ly1<0)\
ly1 = 0-ly1;\
else if(ly1>img_height-1)\
ly1 = (img_height<<1)-2-ly1;\
\
if(ly2<0)\
ly2 = 0-ly2;\
else if(ly2>img_height-1)\
ly2 = (img_height<<1)-2-ly2;\
\
sum = sum+(*(p_src[(y)]+lx1));\
sum = sum+(*(p_src[(y)]+lx2));\
sum = sum+(*(p_src[ly2]+(x)));\
sum = sum+(*(p_src[ly2]+(x)));\
\
*(p_dst[(y)]+(x)) = (sum+4)>>3;\
}\
void imgBlur6(ImgMat *src,ImgMat *dst)
{
int cn;
cn = ((src->type&0xF8)>>3)+1;
if(cn!=1)
return;
int img_width;
img_width = src->width;
int img_height;
img_height = src->height;
if((img_height != dst->height)||(img_width != dst->width)||(dst->type != TYPE_8UC1))
imgMatRedefine(dst,src->height,src->width,TYPE_8UC1);
if(dst->data.ptr == NULL)
imgCreateMatData(dst);
int i,j;
int lx1,ly1,lx2,ly2;
int sum;
unsigned char **p_src;
SRC_PTR(p_src);
unsigned char **p_dst;
DST_PTR(p_dst);
int sum_a[4];
int sum_b[4];
int data0,data1,data2,data3;
BLUR6(0,0);
BLUR6(0,2);
BLUR6(0,4);
DST(0,1) = (DST(0,0)+DST(0,2)+1)>>1;
DST(0,3) = (DST(0,2)+DST(0,4)+1)>>1;
for(i=2;i<img_width;i=i+2)
{
BLUR6(i,0);
BLUR6(i,2);
BLUR6(i,4);
DST(i-1,0) = (DST(i-2,0)+DST(i,0)+1)>>1;
DST(i-1,2) = (DST(i-2,2)+DST(i,2)+1)>>1;
DST(i-1,4) = (DST(i-2,4)+DST(i,4)+1)>>1;
DST(i,1) = (DST(i,0)+DST(i,2)+1)>>1;
DST(i,3) = (DST(i,2)+DST(i,4)+1)>>1;
DST(i-1,1) = (DST(i-1,0)+DST(i-1,2)+1)>>1;
DST(i-1,3) = (DST(i-1,2)+DST(i-1,4)+1)>>1;
}
if(i!=img_width+1)
{
i = img_width-1;
BLUR6(i,0);
BLUR6(i,2);
BLUR6(i,4);
DST(i,1) = (DST(i,0)+DST(i,2)+1)>>1;
DST(i,3) = (DST(i,2)+DST(i,4)+1)>>1;
}
for(j=6;j<img_height-6;j=j+2)
{
sum_a[1] = SRC(2,j-4)+SRC(2,j)+SRC(2,j+4);
sum_a[2] = SRC(6,j-4)+SRC(6,j)+SRC(6,j+4);
sum_a[3] = SRC(10,j-4)+SRC(10,j)+SRC(10,j+4);
sum_b[1] = SRC(0,j-6)+SRC(0,j-2)+SRC(0,j+2)+SRC(0,j+6);
sum_b[2] = SRC(4,j-6)+SRC(4,j-2)+SRC(4,j+2)+SRC(4,j+6);
sum_b[3] = SRC(8,j-6)+SRC(8,j-2)+SRC(8,j+2)+SRC(8,j+6);
sum = sum_a[1]+sum_a[2]+sum_b[1]+sum_b[2];
data3 = (sum+7)/14;
DST(0,j) = data3;
DST(0,j-1) = (data3+DST(0,j-2)+1)>>1;
sum = sum+sum_b[3];
data1 = (sum+9)/18;
DST(2,j) = data1;
DST(2,j-1) = (data1+DST(2,j-2)+1)>>1;
data0 = (data1+data3+1)>>1;
DST(1,j) = data0;
DST(1,j-1) = (data0+DST(1,j-2)+1)>>1;
sum = sum+sum_a[3];
data3 = (sum+10)/21;
DST(4,j) = data3;
DST(4,j-1) = (data3+DST(4,j-2)+1)>>1;
data2 = (data1+data3+1)>>1;
DST(3,j) = data2;
DST(3,j-1) = (data2+DST(3,j-2)+1)>>1;
for(i=6;i<img_width-8;i=i+4)
{
sum_a[0] = sum_a[1];
sum_a[1] = sum_a[2];
sum_a[2] = sum_a[3];
sum_a[3] = SRC(i+8,j-4)+SRC(i+8,j)+SRC(i+8,j+4);
sum_b[0] = sum_b[1];
sum_b[1] = sum_b[2];
sum_b[2] = sum_b[3];
sum_b[3] = SRC(i+6,j-6)+SRC(i+6,j-2)+SRC(i+6,j+2)+SRC(i+6,j+6);
sum = sum+sum_b[3];
data1 = (sum+12)/25;
data0 = (data3+data1+1)>>1;
sum = sum-sum_b[0]+sum_a[3];
data3 = (sum+12)/24;
data2 = (data1+data3+1)>>1;
sum = sum-sum_a[0];
// if((i==14)&&(j==6))
// printf("data0~3 is %d,%d,%d,%d\n",data0,data1,data2,data3);
DST(i-1,j) = data0;
DST(i,j) = data1;
DST(i+1,j) = data2;
DST(i+2,j) = data3;
DST(i-1,j-1) = (data0+DST(i-1,j-2)+1)>>1;
DST(i,j-1) = (data1+DST(i,j-2)+1)>>1;
DST(i+1,j-1) = (data2+DST(i+1,j-2)+1)>>1;
DST(i+2,j-1) = (data3+DST(i+2,j-2)+1)>>1;
}
for(i=i-2;i<img_width;i=i+2)
{
BLUR6(i,j);
data3 = DST(i,j);
data2 = (data1+data3+1)>>1;
DST(i-1,j) = data2;
DST(i-1,j-1) = (data2+DST(i-1,j-2)+1)>>1;
DST(i,j-1) = (data3+DST(i,j-2)+1)>>1;
}
if(i!=img_width+1)
{
BLUR6(img_width-1,j);
DST(img_width-1,j-1) = (DST(img_width-1,j)+DST(img_width-1,j-2)+1)>>1;
}
}
for(;j<img_height;j=j+2)
{
BLUR6(0,j);
DST(0,j-1) = (DST(0,j)+DST(0,j-2)+1)>>1;
for(i=2;i<img_width;i=i+2)
{
BLUR6(i,j);
DST(i,j-1) = (DST(i,j)+DST(i,j-2)+1)>>1;
DST(i-1,j) = (DST(i,j)+DST(i-2,j)+1)>>1;
DST(i-1,j-1) = (DST(i-1,j)+DST(i-1,j-2)+1)>>1;
}
if(i!=img_width+1)
{
i = img_width-1;
BLUR6(i,j);
DST(i,j-1) = (DST(i,j)+DST(i,j-2)+1)>>1;
}
}
if(j!=img_height+1)
{
j=img_height-1;
BLUR6(0,j);
for(i=2;i<img_width;i=i+2)
{
BLUR6(i,j);
DST(i-1,j) = (DST(i,j)+DST(i-2,j)+1)>>1;
}
BLUR6(img_width-1,j);
}
free(p_src);
free(p_dst);
dst->memory_valid[0] = 1;
dst->memory_valid[1] = 0;
}
#define BLUR7(x,y) {\
lx1 = (x)-8;\
lx2 = (x)+8;\
ly1 = (y)-8;\
ly2 = (y)+8;\
\
if(lx1<0)\
lx1 = 0-lx1;\
else if(lx1>img_width-1)\
lx1 = (img_width<<1)-2-lx1;\
\
if(lx2<0)\
lx2 = 0-lx2;\
else if(lx2>img_width-1)\
lx2 = (img_width<<1)-2-lx2;\
\
if(ly1<0)\
ly1 = 0-ly1;\
else if(ly1>img_height-1)\
ly1 = (img_height<<1)-2-ly1;\
\
if(ly2<0)\
ly2 = 0-ly2;\
else if(ly2>img_height-1)\
ly2 = (img_height<<1)-2-ly2;\
\
sum = *(p_src[ly1]+lx1);\
sum = sum+(*(p_src[ly1]+lx2));\
sum = sum+(*(p_src[ly2]+lx1));\
sum = sum+(*(p_src[ly2]+lx2));\
\
lx1 = (x)-5;\
lx2 = (x)+5;\
ly1 = (y)-5;\
ly2 = (y)+5;\
\
if(lx1<0)\
lx1 = 0-lx1;\
else if(lx1>img_width-1)\
lx1 = (img_width<<1)-2-lx1;\
\
if(lx2<0)\
lx2 = 0-lx2;\
else if(lx2>img_width-1)\
lx2 = (img_width<<1)-2-lx2;\
\
if(ly1<0)\
ly1 = 0-ly1;\
else if(ly1>img_height-1)\
ly1 = (img_height<<1)-2-ly1;\
\
if(ly2<0)\
ly2 = 0-ly2;\
else if(ly2>img_height-1)\
ly2 = (img_height<<1)-2-ly2;\
\
sum = sum+(*(p_src[(y)]+lx1));\
sum = sum+(*(p_src[(y)]+lx2));\
sum = sum+(*(p_src[ly2]+(x)));\
sum = sum+(*(p_src[ly2]+(x)));\
\
*(p_dst[(y)]+(x)) = (sum+4)>>3;\
}\
void imgBlur7(ImgMat *src,ImgMat *dst)
{
int cn;
cn = ((src->type&0xF8)>>3)+1;
if(cn!=1)
return;
int img_width;
img_width = src->width;
int img_height;
img_height = src->height;
if((img_height != dst->height)||(img_width != dst->width)||(dst->type != TYPE_8UC1))
imgMatRedefine(dst,src->height,src->width,TYPE_8UC1);
if(dst->data.ptr == NULL)
imgCreateMatData(dst);
int i,j;
int lx1,ly1,lx2,ly2;
int sum;
unsigned char **p_src;
SRC_PTR(p_src);
unsigned char **p_dst;
DST_PTR(p_dst);
int sum_a[5];
int sum_b[5];
int data0,data1,data2,data3;
BLUR7(0,0);
BLUR7(0,2);
BLUR7(0,4);
BLUR7(0,6);
DST(0,1) = (DST(0,0)+DST(0,2)+1)>>1;
DST(0,3) = (DST(0,2)+DST(0,4)+1)>>1;
DST(0,5) = (DST(0,4)+DST(0,6)+1)>>1;
for(i=2;i<img_width;i=i+2)
{
BLUR7(i,0);
BLUR7(i,2);
BLUR7(i,4);
BLUR7(i,6);
DST(i-1,0) = (DST(i-2,0)+DST(i,0)+1)>>1;
DST(i-1,2) = (DST(i-2,2)+DST(i,2)+1)>>1;
DST(i-1,4) = (DST(i-2,4)+DST(i,4)+1)>>1;
DST(i-1,6) = (DST(i-2,6)+DST(i,6)+1)>>1;
DST(i,1) = (DST(i,0)+DST(i,2)+1)>>1;
DST(i,3) = (DST(i,2)+DST(i,4)+1)>>1;
DST(i,5) = (DST(i,4)+DST(i,6)+1)>>1;
DST(i-1,1) = (DST(i-1,0)+DST(i-1,2)+1)>>1;
DST(i-1,3) = (DST(i-1,2)+DST(i-1,4)+1)>>1;
DST(i-1,5) = (DST(i-1,4)+DST(i-1,6)+1)>>1;
}
if(i!=img_width+1)
{
i = img_width-1;
BLUR7(i,0);
BLUR7(i,2);
BLUR7(i,4);
BLUR7(i,6);
DST(i,1) = (DST(i,0)+DST(i,2)+1)>>1;
DST(i,3) = (DST(i,2)+DST(i,4)+1)>>1;
DST(i,5) = (DST(i,4)+DST(i,6)+1)>>1;
}
for(j=8;j<img_height-8;j=j+2)
{
sum_a[1] = SRC(0,j-8)+SRC(0,j-4)+SRC(0,j)+SRC(0,j+4)+SRC(0,j+8);
sum_a[2] = SRC(4,j-8)+SRC(4,j-4)+SRC(4,j)+SRC(4,j+4)+SRC(4,j+8);
sum_a[3] = SRC(8,j-8)+SRC(8,j-4)+SRC(8,j)+SRC(8,j+4)+SRC(8,j+8);
sum_a[4] = SRC(12,j-8)+SRC(12,j-4)+SRC(12,j)+SRC(12,j+4)+SRC(12,j+8);
sum_b[1] = SRC(2,j-6)+SRC(2,j-2)+SRC(2,j+2)+SRC(2,j+6);
sum_b[2] = SRC(6,j-6)+SRC(6,j-2)+SRC(6,j+2)+SRC(6,j+6);
sum_b[3] = SRC(10,j-6)+SRC(10,j-2)+SRC(10,j+2)+SRC(10,j+6);
sum_b[4] = SRC(14,j-6)+SRC(14,j-2)+SRC(14,j+2)+SRC(14,j+6);
sum = sum_a[1]+sum_a[2]+sum_a[3]+sum_b[1]+sum_b[2];
data1 = (sum+11)/23;
DST(0,j) = data1;
DST(0,j-1) = (data1+DST(0,j-2)+1)>>1;
sum = sum+sum_b[3];
data3 = (sum+13)/27;
DST(2,j) = data3;
DST(2,j-1) = (data3+DST(2,j-2)+1)>>1;
data2 = (data1+data3+1)>>1;
DST(1,j) = data2;
DST(1,j-1) = (data2+DST(1,j-2)+1)>>1;
sum = sum+sum_a[4];
data1 = (sum+16)>>5;
DST(4,j) = data1;
DST(4,j-1) = (data1+DST(4,j-2)+1)>>1;
data0 = (data1+data3+1)>>1;
DST(3,j) = data0;
DST(3,j-1) = (data0+DST(3,j-2)+1)>>1;
sum = sum+sum_b[4];
data3 = (sum+18)/36;
DST(6,j) = data3;
DST(6,j-1) = (data3+DST(2,j-2)+1)>>1;
data2 = (data1+data3+1)>>1;
DST(5,j) = data2;
DST(5,j-1) = (data2+DST(1,j-2)+1)>>1;
for(i=8;i<img_width-10;i=i+4)
{
sum_a[0] = sum_a[1];
sum_a[1] = sum_a[2];
sum_a[2] = sum_a[3];
sum_a[3] = sum_a[4];
sum_a[4] = SRC(i+8,j-8)+SRC(i+8,j-4)+SRC(i+8,j)+SRC(i+8,j+4)+SRC(i+8,j+8);
sum_b[0] = sum_b[1];
sum_b[1] = sum_b[2];
sum_b[2] = sum_b[3];
sum_b[3] = sum_b[4];
sum_b[4] = SRC(i+10,j-6)+SRC(i+10,j-2)+SRC(i+10,j+2)+SRC(i+10,j+6);
sum = sum+sum_a[4];
data1 = (sum+20)/41;
data0 = (data3+data1+1)>>1;
sum = sum-sum_a[0]+sum_b[4];
data3 = (sum+20)/40;
data2 = (data1+data3+1)>>1;
sum = sum-sum_b[0];
// if((i==256)&&(j==520))
// printf("data0~3 is %d,%d,%d,%d\n",data0,data1,data2,data3);
DST(i-1,j) = data0;
DST(i,j) = data1;
DST(i+1,j) = data2;
DST(i+2,j) = data3;
DST(i-1,j-1) = (data0+DST(i-1,j-2)+1)>>1;
DST(i,j-1) = (data1+DST(i,j-2)+1)>>1;
DST(i+1,j-1) = (data2+DST(i+1,j-2)+1)>>1;
DST(i+2,j-1) = (data3+DST(i+2,j-2)+1)>>1;
}
for(i=i-2;i<img_width;i=i+2)
{
BLUR7(i,j);
data3 = DST(i,j);
data2 = (data1+data3+1)>>1;
DST(i-1,j) = data2;
DST(i-1,j-1) = (data2+DST(i-1,j-2)+1)>>1;
DST(i,j-1) = (data3+DST(i,j-2)+1)>>1;
}
if(i!=img_width+1)
{
BLUR7(img_width-1,j);