csRGBpixel Struct Reference
[Graphics]
An RGB pixel.
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#include <csgfx/rgbpixel.h>
Public Member Functions | |
csRGBpixel (int r, int g, int b, int a=255) | |
Initialize the pixel with some R/G/B/A value. | |
csRGBpixel (const csRGBcolor &c) | |
Construct from a csRGBcolor object; sets alpha to 255. | |
csRGBpixel (const csRGBpixel &p) | |
Copy constructor. | |
csRGBpixel () | |
Constructor (initialize to zero, alpha to 255). | |
bool | eq (const csRGBpixel &p) const |
Compare with another csRGBpixel, but don't take alpha into account. | |
int | Intensity () const |
Get the pixel intensity. | |
unsigned char | Luminance () const |
Get the pixel luminance. | |
operator csRGBcolor () const | |
Construct an csRGBcolor from this csRGBpixel. | |
bool | operator!= (const csRGBpixel &p) const |
Check if this csRGBpixel is not equal to another csRGBpixel (including alpha). | |
bool | operator!= (const csRGBcolor &c) const |
Check if the csRGBpixel is not equal to an csRGBcolor. | |
void | operator+= (const csRGBcolor &c) |
Add a csRGBcolor. | |
bool | operator== (const csRGBpixel &p) const |
Compare with an csRGBpixel (including alpha value). | |
bool | operator== (const csRGBcolor &c) const |
Compare with an csRGBcolor. | |
void | SafeAdd (const csRGBpixel &c) |
Use this in the general case. | |
void | Set (const csRGBpixel &p) |
Assign another csRGBpixel. | |
void | Set (const int r, const int g, const int b, const int a=255) |
Assign given red/green/blue/alpha values to this pixel. | |
void | UnsafeAdd (const csRGBpixel &c) |
Use this only if you know there is no overflow. | |
Public Attributes | |
unsigned char | alpha |
unsigned char | blue |
unsigned char | green |
unsigned char | red |
The red, green, blue and alpha components. |
Detailed Description
An RGB pixel.In addition to R,G,B color components this structure also contains the Alpha channel component, which is used in images (that potentially have an alpha channel).
Definition at line 98 of file rgbpixel.h.
Constructor & Destructor Documentation
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Constructor (initialize to zero, alpha to 255).
Definition at line 103 of file rgbpixel.h. |
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Copy constructor.
Definition at line 105 of file rgbpixel.h. |
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Construct from a csRGBcolor object; sets alpha to 255.
Definition at line 108 of file rgbpixel.h. |
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Initialize the pixel with some R/G/B/A value.
Definition at line 111 of file rgbpixel.h. |
Member Function Documentation
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Compare with another csRGBpixel, but don't take alpha into account.
Definition at line 135 of file rgbpixel.h. References operator==(). |
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Get the pixel intensity.
Definition at line 138 of file rgbpixel.h. |
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Get the pixel luminance.
Definition at line 141 of file rgbpixel.h. |
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Construct an csRGBcolor from this csRGBpixel.
Definition at line 132 of file rgbpixel.h. |
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Check if this csRGBpixel is not equal to another csRGBpixel (including alpha).
Definition at line 129 of file rgbpixel.h. References operator==(). |
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Check if the csRGBpixel is not equal to an csRGBcolor.
Definition at line 123 of file rgbpixel.h. References operator==(). |
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Add a csRGBcolor.
Definition at line 157 of file rgbpixel.h. References csRGBcolor::blue, blue, csRGBcolor::green, green, csRGBcolor::red, and red. |
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Compare with an csRGBpixel (including alpha value).
Definition at line 120 of file rgbpixel.h. |
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Compare with an csRGBcolor.
Definition at line 117 of file rgbpixel.h. References blue, csRGBcolor::blue, green, csRGBcolor::green, red, and csRGBcolor::red. Referenced by eq(), and operator!=(). |
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Use this in the general case. This version test for overflow. Note that alpha is ignored by this routine. Definition at line 177 of file rgbpixel.h. |
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Assign another csRGBpixel.
Definition at line 154 of file rgbpixel.h. |
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Assign given red/green/blue/alpha values to this pixel.
Definition at line 146 of file rgbpixel.h. |
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Use this only if you know there is no overflow. Also take care to set alpha to 0 in 'c'! Definition at line 167 of file rgbpixel.h. |
Member Data Documentation
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The red, green, blue and alpha components.
Definition at line 101 of file rgbpixel.h. Referenced by csShaderVariable::GetValue(), Intensity(), Luminance(), operator csRGBcolor(), operator+=(), operator==(), csPackRGB::PackRGBpixelToRGB(), csPackRGBA::PackRGBpixelToRGBA(), SafeAdd(), Set(), csShaderVariable::SetValue(), csPackRGBA::UnpackRGBAtoRGBpixel(), csPackRGB::UnpackRGBtoRGBpixelBuffer(), and UnsafeAdd(). |
The documentation for this struct was generated from the following file:
- csgfx/rgbpixel.h
Generated for Crystal Space by doxygen 1.4.4