The HdrImage class is a representation of an HDR image. More...
Public Types | |
| enum | ColorSpace { NONE, RGB, Yxy } |
Public Member Functions | |
| HdrImage () | |
| HdrImage (const HdrImage &im) | |
| HdrImage (const QString &fileName) | |
| QSize | size () const |
| ColorSpace | colorSpace () const |
| bool | isNull () const |
| HdrImage * | toRgb (const float mXyzToRgb[3][3]) const |
| void | load (const QString &fileName) |
| Color * | operator[] (int i) |
| const Color * | operator[] (int i) const |
| bool | hasY () const |
| int | YIndex () const |
Private Member Functions | |
| void | resize (int width, int height) |
| HdrImage * | fromYxyToRgb (const float m[3][3]) const |
Private Attributes | |
| int | width |
| int | height |
| Color * | data |
| bool | null |
| ColorSpace | space |
| float | pMin |
| float | pMax |
Static Private Attributes | |
| static int | YIndices [] |
The HdrImage class is a representation of an HDR image.
The image data is stored as an array of Color and is accessible through the operator [].
This class can handle several color spaces and provides transformations between them. At the moment, only RGB and Yxy color spaces are available.
Definition at line 27 of file HdrImage.h.
| HdrImage::HdrImage | ( | ) |
Constructs an empty image.
Definition at line 50 of file HdrImage.cpp.
| HdrImage::HdrImage | ( | const HdrImage & | im ) |
Constructs a copy of im.
Definition at line 63 of file HdrImage.cpp.
| HdrImage::HdrImage | ( | const QString & | fileName ) |
Constructs an image and tries to load the image from the file with the given fileName.
Definition at line 78 of file HdrImage.cpp.
| HdrImage::ColorSpace HdrImage::colorSpace | ( | ) | const |
Returns the color space of the image.
Definition at line 104 of file HdrImage.cpp.
| HdrImage * HdrImage::fromYxyToRgb | ( | const float | matrix[3][3] ) | const [private] |
Returns a RGB copy of a Yxy image.
Definition at line 133 of file HdrImage.cpp.
| bool HdrImage::hasY | ( | ) | const |
Returns true if the image color space contains luminance data, otherwise returns false.
Definition at line 240 of file HdrImage.cpp.
| bool HdrImage::isNull | ( | ) | const |
Returns true if it is a null image, otherwise returns false.
Definition at line 216 of file HdrImage.cpp.
| void HdrImage::load | ( | const QString & | fileName ) |
Loads an image from the file with the given fileName or throw an Exception if the file cannot be loaded.
Definition at line 184 of file HdrImage.cpp.
| const Color * HdrImage::operator[] | ( | int | i ) | const |
Returns a constant pointer to the row i of data.
Definition at line 232 of file HdrImage.cpp.
| Color * HdrImage::operator[] | ( | int | i ) |
Returns a pointer to the row i of data.
Definition at line 224 of file HdrImage.cpp.
| void HdrImage::resize | ( | int | w, |
| int | h | ||
| ) | [private] |
Deletes current image data and creates new ones of given width and height.
Definition at line 170 of file HdrImage.cpp.
| QSize HdrImage::size | ( | ) | const |
Returns the size of the image.
Definition at line 96 of file HdrImage.cpp.
| HdrImage * HdrImage::toRgb | ( | const float | toRgbMatrix[3][3] ) | const |
Returns a RGB copy of the image or throw an Exception if the transformation from the current color space is not implemented.
Definition at line 112 of file HdrImage.cpp.
| int HdrImage::YIndex | ( | ) | const |
Returns the luminance index of the image color space.
Definition at line 248 of file HdrImage.cpp.
int HdrImage::YIndices [static, private] |
{
-1,
-1,
0
}
Position of Y element for each color space.
Definition at line 64 of file HdrImage.h.
1.7.2