int InitNextImage(IplImage* img)
{
CvSize sz(img->width, img->height);
ReallocImage(&imgGray, sz, 1);
ReallocImage(&imgThresh, sz, 1);
ptRotate = face[MOUTH].ptCenter;
float m[6];
CvMat mat = cvMat( 2, 3, CV_32FC1, m );
if (NULL == imgGray || NULL == imgThresh)
return 0;
/*m[0] = (float)cos(-dbRotateAngle*CV_PI/180.);
m[1] = (float)sin(-dbRotateAngle*CV_PI/180.);
m[2] = (float)ptRotate.x;
m[3] = -m[1];
m[4] = m[0];
m[5] = (float)ptRotate.y;*/
cv2DRotationMatrix( cvPointTo32f(ptRotate), -dbRotateAngle, 1., &mat );
cvWarpAffine( img, imgGray, &mat );
if (NULL == mstgContours)
mstgContours = cvCreateMemStorage();
else
cvClearMemStorage(mstgContours);
if (NULL == mstgContours)
return 0;
return 1;
}
void FaceDetection::FindContours(IplImage* imgGray)
{
ReallocImage(&m_imgThresh, cvGetSize(imgGray), 1);
if (NULL == m_imgThresh)
return;
//
int iNumLayers = m_iNumLayers;
int iMinLevel = 0, iMaxLevel = 255, iStep = 255 / iNumLayers;
ThresholdingParam(imgGray, iNumLayers, iMinLevel, iMaxLevel, iStep);
// init
cvReleaseMemStorage(&m_mstgContours);
m_mstgContours = cvCreateMemStorage();
if (NULL == m_mstgContours)
return;
memset(m_seqContours, 0, sizeof(CvSeq*) * MAX_LAYERS);
cvReleaseMemStorage(&m_mstgRects);
m_mstgRects = cvCreateMemStorage();
if (NULL == m_mstgRects)
return;
m_seqRects = cvCreateSeq(0, sizeof(CvSeq), sizeof(CvContourRect), m_mstgRects);
if (NULL == m_seqRects)
return;
// find contours
for (int l = iMinLevel, i = 0; l < iMaxLevel; l += iStep, i++)
{
cvThreshold(imgGray, m_imgThresh, (double)l, (double)255, CV_THRESH_BINARY);
if (cvFindContours(m_imgThresh, m_mstgContours, &m_seqContours[i], sizeof(CvContour), CV_RETR_CCOMP, CV_CHAIN_APPROX_SIMPLE))
AddContours2Rect(m_seqContours[i], l, i);
}
// sort rects
cvSeqSort(m_seqRects, CompareContourRect, NULL);
}// void FaceDetection::FindContours(IplImage* imgGray)
Elf32_Phdr * CELFFile::AddProgramHeader()
{
size_t old_size = size;
ReallocImage(((GetProgramCount() + 1) * sizeof(Elf32_Phdr)) + size);
Elf32_Phdr * new_phdr = (Elf32_Phdr*)((size_t)GetImage() + old_size);
for (int i = 0 ; i < GetProgramCount(); i++)
{
Elf32_Phdr cur_phdr = *GetProgramHeader(i);
/*if (i == GetProgramCount() - 1)
{
Elf32_Phdr *last_phdr = new_phdr+1;
*last_phdr = cur_phdr;
}
else*/
{
*new_phdr = cur_phdr;
new_phdr++;
}
}
GetElfHeader()->e_phnum++;
GetElfHeader()->e_phoff = old_size;
return new_phdr;
}
void CELFFile::AddSegmentSection(char * new_section_name,size_t new_section_size,long new_section_flag)
{
printf("new base:%x\n",GetNewSegmentSectionBase() );
long new_section_addr = GetNewSegmentSectionBase();
Elf32_Phdr * new_phdr_header = AddProgramHeader();
new_phdr_header->p_align = 0x1000;//new_section_size + (0x1000 - (new_section_size % 0x1000));
new_phdr_header->p_filesz = new_section_size;
new_phdr_header->p_memsz = new_section_size;
new_phdr_header->p_offset = size;
new_phdr_header->p_flags = new_section_flag;//PF_X|PF_W|PF_R;
new_phdr_header->p_vaddr = new_section_addr;
new_phdr_header->p_type = PT_LOAD;
new_phdr_header->p_paddr = new_section_addr;
//asm("int3");
ReallocImage(size+new_section_size);
return ;
if (buffer == NULL || new_section_size == 0)
return;
size_t old_size = size;
Elf32_Shdr * t_shdr_header = GetFirstSectionHeader() + GetSectionCount();
if (reinterpret_cast<size_t>(t_shdr_header) - reinterpret_cast<size_t>(GetImage()) == old_size)
{
ReallocImage(size + new_section_size + sizeof(Elf32_Shdr));
}
else
{
ReallocImage(size + new_section_size );
}
Elf32_Ehdr * elf_header = GetElfHeader();
Elf32_Shdr * string_section_header = GetSectionHeader( elf_header->e_shstrndx );
size_t str_table_last_offset = string_section_header->sh_size + string_section_header->sh_offset;
char * new_string_begin_addr = reinterpret_cast<char*>(GetImage()) + str_table_last_offset;
strcpy(new_string_begin_addr,new_section_name);
string_section_header->sh_size += strlen(new_section_name);
//Elf32_Shdr * new_shdr_header = GetSectionHeader(GetSectionCount() - 1);
//Elf32_Shdr * new_shdr_header = GetSectionHeader(0) + GetSectionCount();
//printf ("last section:%s\n",GetStringTableStr( new_shdr_header->sh_name));
Elf32_Shdr * new_shdr_header = reinterpret_cast<Elf32_Shdr*>(
(elf_header->e_shoff +
reinterpret_cast<Elf32_Off>(GetImage())));
new_shdr_header += GetSectionCount();
//new_shdr_header++;
printf("Elf32_Shdr Size:%x\n",sizeof(Elf32_Shdr));
if (reinterpret_cast<size_t>(new_shdr_header) - reinterpret_cast<size_t>(GetImage()) == old_size)
{
new_shdr_header->sh_offset = old_size + sizeof(Elf32_Shdr);
}
else
{
new_shdr_header->sh_offset = old_size;
}
printf("offset :%x\n",reinterpret_cast<size_t>(new_shdr_header) - reinterpret_cast<size_t>(GetImage()));
new_shdr_header->sh_name = str_table_last_offset - string_section_header->sh_offset;
printf ("last section:%s\n",GetStringTableStr( new_shdr_header->sh_name));
new_shdr_header->sh_addr = GetNewSectionBase();
new_shdr_header->sh_size = new_section_size;
printf("size :%#x\n",new_shdr_header->sh_size);
new_shdr_header->sh_flags = new_section_flag;
//new_shdr_header->sh_offset = old_size;
new_shdr_header->sh_type = 1;
new_shdr_header->sh_link = 0;
new_shdr_header->sh_info = 0;
new_shdr_header->sh_addralign = 16;
new_shdr_header->sh_entsize = 0;
++elf_header->e_shnum;
/*
Elf32_Phdr * new_phdr_header = GetProgramHeader(GetProgramCount() - 1);
new_phdr_header++;
printf("new_phdr_header offset:%#x\n",(size_t)new_phdr_header - (size_t)GetImage());
new_phdr_header->p_align = 0x1000;//new_section_size + (0x1000 - (new_section_size % 0x1000));
new_phdr_header->p_filesz = new_section_size;
new_phdr_header->p_memsz = new_section_size;
new_phdr_header->p_offset = new_shdr_header->sh_offset;
new_phdr_header->p_flags = 5;
new_phdr_header->p_vaddr = new_shdr_header->sh_addr;
new_phdr_header->p_type = 1;
new_phdr_header->p_paddr = new_phdr_header->p_vaddr;
elf_header->e_phnum += 1;*/
}
void CELFFile::AddSection(char * new_section_name,size_t new_section_size,long new_section_flag)
{
if (buffer == NULL || new_section_size == 0)
return;
size_t old_size = size;
Elf32_Shdr * t_shdr_header = GetFirstSectionHeader() + GetSectionCount();
if (reinterpret_cast<size_t>(t_shdr_header) - reinterpret_cast<size_t>(GetImage()) == old_size)
{
ReallocImage(size + new_section_size + sizeof(Elf32_Shdr));
}
else
{
ReallocImage(size + new_section_size );
}
Elf32_Ehdr * elf_header = GetElfHeader();
Elf32_Shdr * string_section_header = GetSectionHeader( elf_header->e_shstrndx );
size_t str_table_last_offset = string_section_header->sh_size + string_section_header->sh_offset;
char * new_string_begin_addr = reinterpret_cast<char*>(GetImage()) + str_table_last_offset;
strcpy(new_string_begin_addr,new_section_name);
string_section_header->sh_size += strlen(new_section_name);
//Elf32_Shdr * new_shdr_header = GetSectionHeader(GetSectionCount() - 1);
//Elf32_Shdr * new_shdr_header = GetSectionHeader(0) + GetSectionCount();
//printf ("last section:%s\n",GetStringTableStr( new_shdr_header->sh_name));
Elf32_Shdr * new_shdr_header = reinterpret_cast<Elf32_Shdr*>(
(elf_header->e_shoff +
reinterpret_cast<Elf32_Off>(GetImage())));
new_shdr_header += GetSectionCount();
//new_shdr_header++;
printf("Elf32_Shdr Size:%x\n",sizeof(Elf32_Shdr));
if (reinterpret_cast<size_t>(new_shdr_header) - reinterpret_cast<size_t>(GetImage()) == old_size)
{
new_shdr_header->sh_offset = old_size + sizeof(Elf32_Shdr);
}
else
{
new_shdr_header->sh_offset = old_size;
}
printf("offset :%x\n",reinterpret_cast<size_t>(new_shdr_header) - reinterpret_cast<size_t>(GetImage()));
new_shdr_header->sh_name = str_table_last_offset - string_section_header->sh_offset;
printf ("last section:%s\n",GetStringTableStr( new_shdr_header->sh_name));
new_shdr_header->sh_addr = GetNewSectionBase();
new_shdr_header->sh_size = new_section_size;
printf("size :%#x\n",new_shdr_header->sh_size);
new_shdr_header->sh_flags = new_section_flag;
//new_shdr_header->sh_offset = old_size;
new_shdr_header->sh_type = 1;
new_shdr_header->sh_link = 0;
new_shdr_header->sh_info = 0;
new_shdr_header->sh_addralign = 16;
new_shdr_header->sh_entsize = 0;
++elf_header->e_shnum;
}