GPixel Struct Reference

Color pixel as a RGB triple. More...

#include <GPixmap.h>

List of all members.

Public Attributes
unsigned char	b
unsigned char	g
unsigned char	r
Static Public Attributes
Predefined colors.
static const GPixel	BLACK = { 0, 0, 0 }
static const GPixel	BLUE = { 255, 0, 0 }
static const GPixel	GREEN = { 0, 255, 0 }
static const GPixel	RED = { 0, 0, 255 }
static const GPixel	WHITE = { 255, 255, 255 }
Friends
unsigned int	hash (const GPixel &p)
int	operator!= (const GPixel &p1, const GPixel &p2)
int	operator== (const GPixel &p1, const GPixel &p2)

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Detailed Description

Color pixel as a RGB triple.

The colors are represented using three bytes named r#, g# and b#. The value of these bytes represent additive amounts of light. Color white is represented by setting all three bytes to #255#. Color black is represented by setting all three bytes to #0#. This convention should not be confused with the convention adopted for class {GBitmap} where the pixel values represent an ink level.

Definition at line 109 of file GPixmap.h.

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Friends And Related Function Documentation

unsigned int hash

(

const GPixel &

p

)

[friend]

Returns a hash code for the color.

Definition at line 451 of file GPixmap.h.

int operator!=	(	const GPixel &	p1,
		const GPixel &	p2
	)			[friend]

Returns true iff colors are different.

Definition at line 445 of file GPixmap.h.

int operator==	(	const GPixel &	p1,
		const GPixel &	p2
	)			[friend]

Returns true iff colors are identical.

Definition at line 439 of file GPixmap.h.

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Member Data Documentation

unsigned char GPixel::b

Blue component.

Definition at line 112 of file GPixmap.h.

const GPixel GPixel::BLACK = { 0, 0, 0 } [static]

GPixel::BLACK is initialized to rgb:0/0/0#.

Definition at line 128 of file GPixmap.h.

const GPixel GPixel::BLUE = { 255, 0, 0 } [static]

GPixel::BLUE is initialized to rgb:0/0/255#.

Definition at line 130 of file GPixmap.h.

unsigned char GPixel::g

Green component.

Definition at line 114 of file GPixmap.h.

const GPixel GPixel::GREEN = { 0, 255, 0 } [static]

GPixel::GREEN is initialized to rgb:0/255/0#.

Definition at line 132 of file GPixmap.h.

unsigned char GPixel::r

Red component.

Definition at line 116 of file GPixmap.h.

const GPixel GPixel::RED = { 0, 0, 255 } [static]

GPixel::RED is initialized to rgb:255/0/0#.

Definition at line 134 of file GPixmap.h.

const GPixel GPixel::WHITE = { 255, 255, 255 } [static]

GPixel::WHITE is initialized to rgb:255/255/255#.

Definition at line 126 of file GPixmap.h.

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The documentation for this struct was generated from the following files:

• GPixmap.h
• GPixmap.cpp