/// Read the source slit sizes from a config file string
/// @param line :: line (string) from the config file
void EQSANSLoad::readSourceSlitSize(const std::string &line) {
boost::regex re_key("wheel", boost::regex::icase);
if (boost::regex_search(line, re_key)) {
boost::regex re_sig("([1-8]) wheel[ ]*([1-3])[ \\t]*=[ \\t]*(\\w+)");
boost::smatch posVec;
if (boost::regex_search(line, posVec, re_sig)) {
if (posVec.size() == 4) {
std::string num_str = posVec[1];
int slit_number = 0;
Poco::NumberParser::tryParse(num_str, slit_number);
slit_number--;
num_str = posVec[2];
int wheel_number = 0;
Poco::NumberParser::tryParse(num_str, wheel_number);
wheel_number--;
num_str = posVec[3];
boost::regex re_size("\\w*?([0-9]+)mm");
int slit_size = 0;
if (boost::regex_search(num_str, posVec, re_size)) {
if (posVec.size() == 2) {
num_str = posVec[1];
Poco::NumberParser::tryParse(num_str, slit_size);
}
}
m_slit_positions[wheel_number][slit_number] = slit_size;
}
}
}
}
/// Read the source slit sizes from a config file string
/// @param line :: line (string) from the config file
void EQSANSLoad::readSourceSlitSize(const std::string& line)
{
Poco::RegularExpression re_key("wheel", Poco::RegularExpression::RE_CASELESS);
Poco::RegularExpression::Match match;
if (re_key.match(line, 0, match))
{
Poco::RegularExpression re_sig("([1-8]) wheel[ ]*([1-3])[ \\t]*=[ \\t]*(\\w+)");
if (re_sig.match(line, 0, match))
{
Poco::RegularExpression::MatchVec posVec;
re_sig.match(line, 0, posVec);
if (posVec.size()==2)
{
std::string num_str = line.substr(posVec[1].offset, posVec[1].length);
int slit_number = 0;
Poco::NumberParser::tryParse(num_str, slit_number);
slit_number--;
num_str = line.substr(posVec[2].offset, posVec[2].length);
int wheel_number = 0;
Poco::NumberParser::tryParse(num_str, wheel_number);
wheel_number--;
num_str = line.substr(posVec[3].offset, posVec[3].length);
Poco::RegularExpression re_size("\\w*?([0-9]+)mm");
int slit_size = 0;
re_size.match(num_str, 0, posVec);
if (posVec.size()==2)
{
num_str = line.substr(posVec[1].offset, posVec[1].length);
Poco::NumberParser::tryParse(num_str, slit_size);
}
m_slit_positions[wheel_number][slit_number] = slit_size;
}
}
}
}
bool opengl_render::init_render(void* ctx, int w, int h, int pix_fmt)
{
m_hwnd = (HWND)ctx;
m_image_width = w;
m_image_height = h;
m_window_aspect = (float)w / (float)h;
static PIXELFORMATDESCRIPTOR pfd = // pfd Tells Windows How We Want Things To Be
{
sizeof(PIXELFORMATDESCRIPTOR), // Size Of This Pixel Format Descriptor
1, // Version Number
PFD_DRAW_TO_WINDOW | // Format Must Support Window
PFD_SUPPORT_OPENGL | // Format Must Support OpenGL
PFD_DOUBLEBUFFER, // Must Support Double Buffering
PFD_TYPE_RGBA, // Request An RGBA Format
24, // Select Our Color Depth
0, 0, 0, 0, 0, 0, // Color Bits Ignored
0, // No Alpha Buffer
0, // Shift Bit Ignored
0, // No Accumulation Buffer
0, 0, 0, 0, // Accumulation Bits Ignored
16, // 16Bit Z-Buffer (Depth Buffer)
0, // No Stencil Buffer
0, // No Auxiliary Buffer
PFD_MAIN_PLANE, // Main Drawing Layer
0, // Reserved
0, 0, 0 // Layer Masks Ignored
};
if (!(m_hdc = GetDC(m_hwnd)))
{
printf("Can't Create A GL Device Context.\n");
return false;
}
GLuint PixelFormat;
if (!(PixelFormat = ChoosePixelFormat(m_hdc, &pfd))) // Did Windows Find A Matching Pixel Format?
{
printf("Can't Find A Suitable PixelFormat.\n");
return false;
}
if(!SetPixelFormat(m_hdc, PixelFormat, &pfd)) // Are We Able To Set The Pixel Format?
{
printf("Can't Set The PixelFormat.\n");
return false;
}
if (!(m_hglrc = wglCreateContext(m_hdc))) // Are We Able To Get A Rendering Context?
{
printf("Can't Create A GL Rendering Context.\n");
return false;
}
if(!wglMakeCurrent(m_hdc, m_hglrc)) // Try To Activate The Rendering Context
{
printf("Can't Activate The GL Rendering Context.\n");
return false;
}
RECT rc = { 0 };
GetClientRect(m_hwnd, &rc);
re_size(rc.right - rc.left, rc.bottom - rc.top);
if (!InitGL())
{
printf("Initialization Failed.\n");
return false;
}
m_swsctx = sws_getContext(m_image_width, m_image_height, PIX_FMT_YUV420P, m_image_width, m_image_height,
PIX_FMT_RGB24, SWS_BICUBIC, NULL, NULL, NULL);
m_current_width = m_image_width;
m_current_height = m_image_height;
m_framebuffer = (uint8_t*)malloc(w * h * sizeof(uint32_t));
return true;
}
