BOOL fipImage::toneMapping(FREE_IMAGE_TMO tmo, double first_param, double second_param, double third_param, double fourth_param) {
if(_dib) {
FIBITMAP *dst = NULL;
// Apply a tone mapping algorithm and convert to 24-bit
switch(tmo) {
case FITMO_REINHARD05:
dst = FreeImage_TmoReinhard05Ex(_dib, first_param, second_param, third_param, fourth_param);
break;
default:
dst = FreeImage_ToneMapping(_dib, tmo, first_param, second_param);
break;
}
return replace(dst);
}
return FALSE;
}
/**
Apply the global tone mapping operator to a RGBF image and convert to 24-bit RGB<br>
User parameters control intensity and contrast
@param src Input RGBF image
@param intensity Overall intensity in range [-8:8] : default to 0
@param contrast Contrast in range [0.3:1) : default to 0
@return Returns a 24-bit RGB image if successful, returns NULL otherwise
*/
FIBITMAP* DLL_CALLCONV
FreeImage_TmoReinhard05(FIBITMAP *src, double intensity, double contrast) {
return FreeImage_TmoReinhard05Ex(src, intensity, contrast, 1, 0);
}
void fipWinImage::drawEx(HDC hDC, RECT& rcDest, BOOL useFileBkg, RGBQUAD *appBkColor, FIBITMAP *bg) const {
// Convert to a standard bitmap if needed
if(_bHasChanged) {
if(_bDeleteMe) {
FreeImage_Unload(_display_dib);
_display_dib = NULL;
_bDeleteMe = FALSE;
}
FREE_IMAGE_TYPE image_type = getImageType();
if(image_type == FIT_BITMAP) {
BOOL bHasBackground = FreeImage_HasBackgroundColor(_dib);
BOOL bIsTransparent = FreeImage_IsTransparent(_dib);
if(!bIsTransparent && (!bHasBackground || !useFileBkg)) {
// Copy pointer
_display_dib = _dib;
}
else {
// Create the transparent / alpha blended image
_display_dib = FreeImage_Composite(_dib, useFileBkg, appBkColor, bg);
if(_display_dib) {
// Remember to delete _display_dib
_bDeleteMe = TRUE;
} else {
// Something failed: copy pointers
_display_dib = _dib;
}
}
} else {
// Convert to a standard dib for display
if(image_type == FIT_COMPLEX) {
// Convert to type FIT_DOUBLE
FIBITMAP *dib_double = FreeImage_GetComplexChannel(_dib, FICC_MAG);
// Convert to a standard bitmap (linear scaling)
_display_dib = FreeImage_ConvertToStandardType(dib_double, TRUE);
// Free image of type FIT_DOUBLE
FreeImage_Unload(dib_double);
} else if((image_type == FIT_RGBF) || (image_type == FIT_RGBAF) || (image_type == FIT_RGB16)) {
// Apply a tone mapping algorithm and convert to 24-bit
switch(_tmo) {
case FITMO_REINHARD05:
_display_dib = FreeImage_TmoReinhard05Ex(_dib, _tmo_param_1, _tmo_param_2, _tmo_param_3, _tmo_param_4);
break;
default:
_display_dib = FreeImage_ToneMapping(_dib, _tmo, _tmo_param_1, _tmo_param_2);
break;
}
} else if(image_type == FIT_RGBA16) {
// Convert to 32-bit
FIBITMAP *dib32 = FreeImage_ConvertTo32Bits(_dib);
if(dib32) {
// Create the transparent / alpha blended image
_display_dib = FreeImage_Composite(dib32, useFileBkg, appBkColor, bg);
FreeImage_Unload(dib32);
}
} else {
// Other cases: convert to a standard bitmap (linear scaling)
_display_dib = FreeImage_ConvertToStandardType(_dib, TRUE);
}
// Remember to delete _display_dib
_bDeleteMe = TRUE;
}
_bHasChanged = FALSE;
}
// Draw the dib
SetStretchBltMode(hDC, COLORONCOLOR);
StretchDIBits(hDC, rcDest.left, rcDest.top,
rcDest.right-rcDest.left, rcDest.bottom-rcDest.top,
0, 0, FreeImage_GetWidth(_display_dib), FreeImage_GetHeight(_display_dib),
FreeImage_GetBits(_display_dib), FreeImage_GetInfo(_display_dib), DIB_RGB_COLORS, SRCCOPY);
}