CAtmoColorPicker::CAtmoColorPicker(HINSTANCE hInst, HWND parent, CAtmoDynData *pAtmoDynData, int red,int green,int blue):
CAtmoCustomColorPicker(hInst,parent,IDD_COLORPICKER,pAtmoDynData,red,green,blue)
{
this->m_pAtmoDynData = pAtmoDynData;
outputColor(red,green,blue);
m_iRed = red;
m_iGreen = green;
m_iBlue = blue;
}
void tracer::Pathtracer::render(unsigned width, unsigned height) {
// initialize output texture
m_output.clear();
m_output.resize(width * height);
std::fill(m_output.begin(), m_output.end(), glm::vec4(0.0f));
// pinhole camera
Camera& camera = m_scene.getCamera();
camera.setImagingPlaneResolution(width, height);
// random number generation
std::random_device rd;
std::mt19937 engine(rd());
// progress printing
std::cout.precision(2);
std::cout.setf(std::ios::fixed, std::ios::floatfield);
std::string status = "Rendering, done: ";
float percentage = 0.0f, fraction = 100.0f/height;
// rendering loop
#pragma omp parallel for schedule(dynamic)
for (unsigned y = 0; y < height; y++) {
for (unsigned x = 0; x < width; x++) {
glm::vec3 outputColor(0.0f);
for (unsigned s = 0; s < m_samples; s++) {
Ray ray = camera.castRay(x, y);
outputColor += radiance(ray, engine) / (float)m_samples;
}
m_output[y*width+x] = glm::vec4(color::gammaCompress(glm::clamp(outputColor, 0.0f, 1.0f)), 1.0f);
}
#pragma omp critical
{
percentage += fraction;
std::cout << "\r" << status << percentage << "%";
}
}
std::cout << std::endl << std::endl;
}
Vector3f
CubeMap::getTexel(const Vector3f &direction) const
{
Vector3f dir = direction.normalized();
Vector3f outputColor(0.0f, 0.0f, 0.0f);
if ((std::abs(dir[0]) >= std::abs(dir[1])) && (std::abs(dir[0]) >= std::abs(dir[2]))) {
if (dir[0] > 0.0f) {
outputColor =
_t[RIGHT].getTexel((dir[2] / dir[0] + 1.0f) * 0.5f,
(dir[1] / dir[0] + 1.0f) * 0.5f);
} else if (dir[0] < 0.0f) {
outputColor =
_t[LEFT].getTexel( (dir[2] / dir[0] + 1.0f) * 0.5f,
1.0f - (dir[1] / dir[0] + 1.0f) * 0.5f);
}
} else if ((std::abs(dir[1]) >= std::abs(dir[0])) && (std::abs(dir[1]) >= std::abs(dir[2]))) {
if (dir[1] > 0.0f) {
outputColor =
_t[UP].getTexel((dir[0] / dir[1] + 1.0f) * 0.5f,
(dir[2] / dir[1] + 1.0f) * 0.5f);
} else if (dir[1] < 0.0f) {
outputColor =
_t[DOWN].getTexel(1.0f - (dir[0] / dir[1] + 1.0f) * 0.5f,
1.0f - (dir[2] / dir[1] + 1.0f) * 0.5f);
}
} else if ((std::abs(dir[2]) >= std::abs(dir[0])) && (std::abs(dir[2]) >= std::abs(dir[1]))) {
if (dir[2] > 0.0f) {
outputColor =
_t[FRONT].getTexel(1.0f - (dir[0] / dir[2] + 1.0f) * 0.5f,
(dir[1] / dir[2] + 1.0f) * 0.5f);
} else if (dir[2] < 0.0f) {
outputColor =
_t[BACK].getTexel( (dir[0] / dir[2] + 1.0f) * 0.5f,
1.0f - (dir[1] / dir[2] + 1.0f) * 0.5f);
}
}
return outputColor;
}
void CAtmoColorPicker::HandleHorzScroll(int code,int position,HWND scrollBarHandle)
{
// WM_HSCROLL handler!
// WM_HSCROLL
HWND hwndCtrl;
int dlgItemId = GetDlgCtrlID(scrollBarHandle);
switch(dlgItemId)
{
case IDC_SL_RED:
this->m_iRed = (int)SendMessage(scrollBarHandle, TBM_GETPOS, 0, 0);
break;
case IDC_SL_GREEN:
this->m_iGreen = (int)SendMessage(scrollBarHandle, TBM_GETPOS, 0, 0);
break;
case IDC_SL_BLUE:
this->m_iBlue = (int)SendMessage(scrollBarHandle, TBM_GETPOS, 0, 0);
break;
default:
return;
}
UpdateColorControls(ATMO_FALSE, ATMO_TRUE);
// if(IDC_RADIO2){
// this->m_iRed = 10;
//this->m_iGreen = 10;
//this->m_iBlue = 10;
// }
hwndCtrl = this->getDlgItem(IDC_CHK_VIEWCOLOR);
if(SendMessage(hwndCtrl, BM_GETSTATE, 0, 0) == BST_CHECKED) outputColor(this->m_iRed, this->m_iGreen, this->m_iBlue);
}
ATMO_BOOL CAtmoColorPicker::ExecuteCommand(HWND hControl,int wmId, int wmEvent)
{
switch(wmId)
{
case IDOK:
{
EndDialog(this->m_hDialog, wmId);
break;
}
case IDCANCEL:
{
EndDialog(this->m_hDialog, wmId);
break;
}
case IDC_EDT_RED:
{
if(wmEvent == EN_CHANGE)
{
char buffer[20];
if(Edit_GetText(hControl,buffer,sizeof(buffer))>0)
{
int value = atoi(buffer);
if((value>=0) && (value<=255))
{
this->m_iRed = value;
UpdateColorControls(ATMO_TRUE, ATMO_FALSE);
outputColor(this->m_iRed, this->m_iGreen, this->m_iBlue);
}
else
{
MessageBeep(MB_ICONEXCLAMATION);
}
}
}
break;
}
case IDC_EDT_GREEN:
{
if(wmEvent == EN_CHANGE)
{
char buffer[20];
if(Edit_GetText(hControl,buffer,sizeof(buffer))>0)
{
int value = atoi(buffer);
if((value>=0) && (value<=255))
{
this->m_iGreen = value;
UpdateColorControls(ATMO_TRUE, ATMO_FALSE);
outputColor(this->m_iRed, this->m_iGreen, this->m_iBlue);
}
else
{
MessageBeep(MB_ICONEXCLAMATION);
}
}
}
break;
}
case IDC_EDT_BLUE:
{
if(wmEvent == EN_CHANGE)
{
char buffer[20];
if(Edit_GetText(hControl,buffer,sizeof(buffer))>0)
{
int value = atoi(buffer);
if((value>=0) && (value<=255))
{
this->m_iBlue = value;
UpdateColorControls(ATMO_TRUE, ATMO_FALSE);
outputColor(this->m_iRed, this->m_iGreen, this->m_iBlue);
}
else
{
MessageBeep(MB_ICONEXCLAMATION);
}
}
}
break;
}
default:
return ATMO_FALSE;
}
return ATMO_TRUE;
}
