//灰度图像膨胀
void Dilate_Gray(double *src,double *dst,int width,int height,double *se,int sewidth,int seheight,Position *center){
int SEissmooth=isSmooth(se,sewidth,seheight);
double *temp=(double*)(malloc(sizeof(double)*width*height));
double *temp_last=(double*)(malloc(sizeof(double)*width*height));
Position centerde;
centerde.x=sewidth/2;
centerde.y=seheight/2;
if(center==NULL){
center=¢erde;
}
matrixCopy(src,temp_last,width,height);
for(int j=0;j<seheight;j++)
for(int i=0;i<sewidth;i++){
matrixCopy(src,temp,width,height);
double value=se[j*width+i];
if(value!=0.0){
Position d;
d.x=center->x-i;
d.y=center->y-j;
if(SEissmooth)
G_Translation(temp, temp,width,height, 0.0, &d,TOFINDMAX);
else
G_Translation(temp, temp,width,height, value, &d,TOFINDMAX);
MaxPix(temp, temp_last, temp_last,width,height);
}
}
matrixCopy(temp_last, dst,width,height);
free(temp);
free(temp_last);
}
bool BigTexture::loadFromImage(const sf::Image& source)
{
// Rollback semantics: In case of failure, *this remains unchanged
BigTexture tmp;
const unsigned int maxSize = sf::Texture::getMaximumSize();
tmp.mPixelSize = source.getSize();
// Number of textures needed, in X and Y direction
tmp.mTableSize.x = (tmp.mPixelSize.x - 1u) / maxSize + 1u;
tmp.mTableSize.y = (tmp.mPixelSize.y - 1u) / maxSize + 1u;
tmp.mTextures.clear();
tmp.mTextures.reserve(tmp.mTableSize.x * tmp.mTableSize.y);
// Create sf::Textures that form together the big texture
for (unsigned int y = 0u; y < tmp.mPixelSize.y; y += maxSize)
{
for (unsigned int x = 0u; x < tmp.mPixelSize.x; x += maxSize)
{
// Note: sf::Texture::loadFromImage() reduces the rectangle size if necessary
tmp.mTextures.push_back(sf::Texture());
if (!tmp.mTextures.back().loadFromImage(source, sf::IntRect(x, y, maxSize, maxSize)))
return false;
}
}
// Apply smooth filter
tmp.setSmooth(isSmooth());
// Success: Commit modifications
swap(tmp);
return true;
}
//测地腐蚀
void Erode_Gray_g(double *src,double *ground,double *dst,int width,int height,double *se,int sewidth,int seheight,Position *center){
int SEissmooth=isSmooth(se,sewidth,seheight);
double *temp=(double*)malloc(sizeof(double)*width*height);
double *temp_last=(double*)malloc(sizeof(double)*width*height);
Position centerde;
centerde.x=sewidth/2;
centerde.y=seheight/2;
if(center==NULL){
center=¢erde;
}
matrixCopy(src,temp_last,width,height);
for(int j=0;j<seheight;j++)
for(int i=0;i<sewidth;i++){
matrixCopy(src,temp,width,height);
double value=se[j*sewidth+i];
if(value!=0.0){
Position d;
d.x=i-center->x;
d.y=j-center->y;
if(SEissmooth)
G_Translation(temp, temp,width,height, 0.0, &d,TOFINDMIN);
else
G_Translation(temp, temp,width,height, -1.0*value, &d,TOFINDMIN);
MinPix(temp, temp_last, temp_last,width,height);
}
}
MaxPix(temp_last,ground,temp_last,width,height);
matrixCopy(temp_last,dst,width,height);
free(temp);
free(temp_last);
}
bool System::texture_isSmooth(unsigned int id)
{
auto texture = mTextureHandler.get(id);
if(nullptr == texture)
{
return false;
}
return texture->isSmooth();
}
sfBool sfRenderTexture_isSmooth(const sfRenderTexture* renderTexture)
{
CSFML_CALL_RETURN(renderTexture, isSmooth(), sfFalse);
}
