// load format(imgW, i) and add information to the back of imgs and lens
void CmIllustr::LoadImgs(CStr &imgW, vecM &imgs, vecD &lens, int W, int H)
{
bool toRow = W > H;
double crnt = -space;
if (imgs.size()){ // There exist a predefined image for sketch
lens.push_back(toRow ? H*imgs[0].cols*1./imgs[0].rows : W*imgs[0].rows*1./imgs[0].cols);
crnt += lens[0] + space;
}
for (int i = 0; i < 500; i++){
string imgN = format(_S(imgW), i), inDir, maskN;
vecS names;
int subN = CmFile::GetNames(imgN, names, inDir);
if (subN == 0)
continue;
Mat img = imread(inDir + names[0]);
if (img.data == NULL){
printf("Can't load image file %-70s\n", _S(names[0]));
continue;
}
if (subN > 1){
Mat mask1u = imread(inDir + names[1], CV_LOAD_IMAGE_GRAYSCALE), big1u;
dilate(mask1u, big1u, Mat(), Point(-1, -1), 5);
bitwise_xor(mask1u, big1u, mask1u);
img.setTo(Scalar(0, 0, 255), mask1u);
}
lens.push_back(toRow ? H*img.cols*1./img.rows : W*img.rows*1./img.cols);
imgs.push_back(img);
crnt += lens[lens.size() - 1] + space;
if (crnt >= max(H, W))
break;
}
int num = imgs.size();
if (num && abs(crnt - max(H,W)) > abs(crnt - lens[num - 1] - space - max(H,W)))
imgs.resize(num - 1), lens.resize(num - 1);
printf("%s: %d\n", _S(imgW), num);
if (crnt < max(H, W)) {
printf(_S(imgW + ": not enough images\n"));
exit(0);
}
}
Mat CmIllustr::ArrangeImgs(vecM &imgs, vecD &len, int W, int H, bool toRow)
{
int imgN = (int)(imgs.size()), s = 0;
CV_Assert(len.size() == imgN);
double ratio, sumL = 0, err = 0;
for (int i = 0; i < imgN; i++)
sumL += len[i];
ratio = ((toRow ? W : H) - (imgN - 1) * space) / sumL;
Mat dstImg(H, W, CV_8UC3);
dstImg = Scalar(255, 255, 255);
for (int i = 0; i < imgN; i++) {
len[i] *= ratio;
int l = cvRound(len[i] + err);
Rect reg = toRow ? Rect(s, 0, l, H) : Rect(0, s, W, l);
resize(imgs[i], dstImg(reg), reg.size());
err = len[i] + err - l;
s += l + space;
}
CV_Assert(s - space == (toRow ? dstImg.cols : dstImg.rows));
return dstImg;
}