cpe::image_zbuffer Class Reference
Container for picture data. Data are stored as unsigned char [0,255]. More...
Inheritance diagram for cpe::image_zbuffer:
Collaboration diagram for cpe::image_zbuffer:
Public Member Functions | |
| image_zbuffer () | |
| empty constructor More... | |
| image_zbuffer (int N) | |
| create square picture of size NxN More... | |
| image_zbuffer (int Nx, int Ny) | |
| create picture of size Nx x Ny More... | |
| double | z (const pos2 &index) const |
| Accessor on a pixel. More... | |
| double & | z (const pos2 &index) |
| Accessor on a pixel. More... | |
| void | export_z_buffer (const std::string &filename) const |
| export depth-buffer into a file More... | |
| Public Member Functions inherited from cpe::image | |
| image () | |
| empty constructor More... | |
| image (int N) | |
| create square picture of size NxN More... | |
| image (int Nx, int Ny) | |
| create picture of size Nx x Ny More... | |
| image (const std::string &filename) | |
| import pre-existing picture from file filename More... | |
| int | Nx () const |
| get the picture width in pixel More... | |
| int | Ny () const |
| get the picture height in pixel More... | |
| void | reshape (int Nx2) |
| try to reshape the picture to a new size More... | |
| bool | check_position (const pos2 &u) const |
| check if a given pixel (kx,ky) is within the size of the picture More... | |
| const color & | operator() (const pos2 &index) const |
| Accessor on a pixel. More... | |
| color & | operator() (const pos2 &index) |
| Accessor on a pixel. More... | |
| void | fill (const color &c) |
| fill the entire picture with a given (r,g,b) color More... | |
| void | fill_rectangle (const pos2 &u1, const pos2 &u2, const color &c) |
| fill a rectangle ((x1,y1);(x2,y2)) with a given (r,g,b) color More... | |
| void | export_file (const std::string &filename) |
| write the picture into a file More... | |
Private Attributes | |
| z_buffer | internal_z_buffer |
| internal data storage as std::vector of unsigned char More... | |
Additional Inherited Members | |
| Protected Member Functions inherited from cpe::image | |
| void | assert_position (const pos2 &u) const |
| Ensure a position is within the size of the image, otherwise throw exception. More... | |
| int | coordinate_to_index (const pos2 &u) const |
| transform coordinate u=(kx,ky) to index in vector data More... | |
Detailed Description
Container for picture data. Data are stored as unsigned char [0,255].
Constructor & Destructor Documentation
| cpe::image_zbuffer::image_zbuffer | ( | ) |
empty constructor
| cpe::image_zbuffer::image_zbuffer | ( | int | N | ) |
create square picture of size NxN
- Parameters
-
unsigned int N: size (width & height) of the picture
| cpe::image_zbuffer::image_zbuffer | ( | int | Nx, |
| int | Ny | ||
| ) |
create picture of size Nx x Ny
- Parameters
-
unsigned int Nx: picture width unsigned int Ny: picture height
Member Function Documentation
| void cpe::image_zbuffer::export_z_buffer | ( | const std::string & | filename | ) | const |
export depth-buffer into a file
References cpe::export_ppm(), and internal_z_buffer.
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| double cpe::image_zbuffer::z | ( | const pos2 & | index | ) | const |
Accessor on a pixel.
References cpe::image::assert_position(), and internal_z_buffer.
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| double & cpe::image_zbuffer::z | ( | const pos2 & | index | ) |
Accessor on a pixel.
References cpe::image::assert_position(), and internal_z_buffer.
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Member Data Documentation
|
private |
internal data storage as std::vector of unsigned char
Picture is stored as (color_0 , color_1 , ...) vector size is therefore 3 Nx Ny
Referenced by export_z_buffer(), and z().
The documentation for this class was generated from the following files:
- /home/damien/work/2012_2013_teaching/2013_4eti_synthese_images/2013/TP_projectif_etudiant/libimage/image_zbuffer.hpp
- /home/damien/work/2012_2013_teaching/2013_4eti_synthese_images/2013/TP_projectif_etudiant/libimage/image_zbuffer.cpp
