int Load_Image(const char *filepath, LCUI_Graph *out)
/*
* 功能：载入指定图片文件的图形数据
* 说明：打开图片文件，并解码至内存，打开的图片文件越大，占用的内存也就越大
* */
{
FILE *fp;
int result = 0; /* 错误代号为0 */
Graph_Init(out);
out->have_alpha = IS_FALSE;
/*fp是全局变量，其它函数会用到它*/
if ((fp = fopen(filepath,"r")) == NULL) {
perror(filepath);
result = OPEN_ERROR;
} else {
fgetc(fp);
if (!ferror (fp)) {/*r如果没出错*/
fseek(fp,0,SEEK_END);
if (ftell(fp)>4) {
fclose(fp);
result = detect_image(filepath, out);
} else {
result = SHORT_FILE;//文件过小
fclose(fp);
}
}
}
return result; /* 返回错误代码 */
}
DARNIT_TILESHEET *next_image(DARNIT_IMAGE_DATA img, int *piczels) {
int i, j;
for (i = 0; i < img.w; i++)
for (j = 0; j < img.h; j++)
if (img.data[i + j * img.w] == PIXEL_SOLID)
return detect_image(img, i, j, piczels);
return NULL;
}
//==============================================================//
void ObjDetector::detect(cv::Mat src, std::vector<cv::Rect>& box,
std::vector<float>& vote)
{
int i, j;
float m=m_slidParam.m_init_scale;
box.clear();
vote.clear();
std::cout << "original size: " << src.size() << std::endl;
std::cout << "objsize: " << m_objsize[0] << "/" << m_objsize[1] << "\n";
for(i=0; i<m_slidParam.m_scale_num; ++i, m*=m_slidParam.m_shrink_ratio) {
cv::Size newSize(src.cols*m, src.rows*m);
//std::cout << "objsize: " << m_objsize[0] << "/" << m_objsize[1] << "\n";
std::cout << i << ": scale " << m << "\n";
int maxlen = 2048;
if(newSize.width>maxlen || newSize.height>maxlen) {
std::cout << "**** image size > " << maxlen << "\n";
std::cout << "**** stop detection\n";
continue;
}
if(newSize.width<m_objsize[0] || newSize.height<m_objsize[1]) {
break;
}
cv::Mat resized;
cv::resize(src, resized, newSize, 0, 0, cv::INTER_AREA);
std::vector<cv::Rect> tempbox;
std::vector<float> tempvote;
detect_image(resized, m, tempbox, tempvote);
box.insert(box.end(), tempbox.begin(), tempbox.end());
vote.insert(vote.end(), tempvote.begin(), tempvote.end());
}
//remove overlapping area
if(m_remove_overlap) {
for(i=0; i<vote.size(); ++i) {
bool toremove=false;
for(j=0; j<vote.size(); ++j) {
if(i!=j)
{
if( vote[i]<=vote[j]
&& overlapRatio(box[i],box[j])>m_overlap_thres)
{
toremove=true;
break;
}
//if( (box[i]&box[j])==box[i] )
// && overlapRatio(box[i],box[j])>m_overlap_thres-0.1)
if( (box[i]&box[j]).area()/float(box[i].area())>0.85)
{
float cx = box[j].x+box[j].width/2.0;
float cy = box[j].y+box[j].height/2.0;
if( (box[i].x<cx && box[i].x+box[i].width >cx)
||(box[i].y<cy && box[i].y+box[i].height>cy) )
{
if(vote[i]<=vote[j]) {
toremove=true;
break;
}
else {
vote.erase(vote.begin()+j);
box.erase(box.begin()+j);
--j;
}
}
}
}
}
if(toremove) {
vote.erase(vote.begin()+i);
box.erase(box.begin()+i);
--i;
}
}
}
}
