RGBA pixel.
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#include <pixel.hpp>
Public Types |
typedef unsigned char | component_type |
Public Attributes |
union { |
unsigned int pixel |
| Compressed representation.
|
struct { |
component_type red |
| Red component.
|
component_type green |
| Green component.
|
component_type blue |
| Blue component.
|
component_type alpha |
| Translucy.
|
} components |
| Component by component representation.
|
}; | |
Detailed Description
RGBA pixel.
Definition at line 78 of file pixel.hpp.
Constructor & Destructor Documentation
claw::graphic::rgba_pixel::rgba_pixel |
( |
const rgb_pixel & |
that | ) |
|
claw::graphic::rgba_pixel::rgba_pixel |
( |
component_type |
r, |
|
|
component_type |
g, |
|
|
component_type |
b, |
|
|
component_type |
a |
|
) |
| |
Constructor.
- Parameters
-
r | The value of the red field. |
g | The value of the green field. |
b | The value of the blue field. |
a | The value of the alpha field. |
Definition at line 213 of file pixel.cpp.
claw::graphic::rgba_pixel::rgba_pixel |
( |
const std::string & |
c | ) |
|
|
explicit |
Constructor from a color name or code.
- Parameters
-
Definition at line 226 of file pixel.cpp.
Member Function Documentation
claw::graphic::rgba_pixel::component_type claw::graphic::rgba_pixel::luminosity |
( |
| ) |
const |
Get the luminosity of the pixel.
- Returns
- The luminosity between 0 (dark) and 255 (light).
The luminosity is approximated with integers:
Definition at line 301 of file pixel.cpp.
bool claw::graphic::rgba_pixel::operator!= |
( |
const rgba_pixel & |
that | ) |
const |
Tell if two pixels are different.
- Parameters
-
Definition at line 285 of file pixel.cpp.
References pixel.
bool claw::graphic::rgba_pixel::operator== |
( |
const rgba_pixel & |
that | ) |
const |
Tell if two pixels are equal.
- Parameters
-
Definition at line 275 of file pixel.cpp.
References pixel.
The documentation for this struct was generated from the following files: