TDEIconEffect Class Reference

#include <kiconeffect.h>

Public Types
enum	Effects {   NoEffect , ToGray , Colorize , ToGamma ,   DeSaturate , ToMonochrome , LastEffect }

Public Member Functions
	TDEIconEffect ()
void	init ()
bool	hasEffect (int group, int state) const
TQString	fingerprint (int group, int state) const
TQImage	apply (TQImage src, int group, int state) const
TQImage	apply (TQImage src, int effect, float value, const TQColor rgb, bool trans) const
TQImage	apply (TQImage src, int effect, float value, const TQColor rgb, const TQColor rgb2, bool trans) const
TQPixmap	apply (TQPixmap src, int group, int state) const
TQPixmap	apply (TQPixmap src, int effect, float value, const TQColor rgb, bool trans) const
TQPixmap	apply (TQPixmap src, int effect, float value, const TQColor rgb, const TQColor rgb2, bool trans) const
TQImage	doublePixels (TQImage src) const

Static Public Member Functions
static void	visualActivate (TQWidget *widget, TQRect rect)
static void	visualActivate (TQWidget *widget, TQRect rect, TQPixmap *pixmap)
static void	toGray (TQImage &image, float value)
static void	colorize (TQImage &image, const TQColor &col, float value)
static void	toMonochrome (TQImage &image, const TQColor &black, const TQColor &white, float value)
static void	deSaturate (TQImage &image, float value)
static void	toGamma (TQImage &image, float value)
static void	semiTransparent (TQImage &image)
static void	semiTransparent (TQPixmap &pixmap)
static void	overlay (TQImage &src, TQImage &overlay)

Detailed Description

Applies effects to icons.

This class applies effects to icons depending on their state and group. For example, it can be used to make all disabled icons in a toolbar gray.

See also

TDEIcon

Definition at line 34 of file kiconeffect.h.

Member Enumeration Documentation

Effects

enum TDEIconEffect::Effects

This is the enumeration of all possible icon effects.

Note that 'LastEffect' is no valid icon effect but only used internally to check for invalid icon effects.

• NoEffect: Don't apply any icon effect
• ToGray: Tints the icon gray
• Colorize: Tints the icon with an other color
• ToGamma: Change the gamma value of the icon
• DeSaturate: Reduce the saturation of the icon
• ToMonochrome: Produces a monochrome icon

Enumerator
ToMonochrome	Since 3.4

Definition at line 55 of file kiconeffect.h.

Constructor & Destructor Documentation

TDEIconEffect()

TDEIconEffect::TDEIconEffect

(

)

Create a new TDEIconEffect.

Definition at line 52 of file kiconeffect.cpp.

Member Function Documentation

apply() [1/6]

TQImage TDEIconEffect::apply	(	TQImage	src,
		int	effect,
		float	value,
		const TQColor	rgb,
		bool	trans
	)		const

Applies an effect to an image.

Parameters

src	The image.
effect	The effect to apply, one of TDEIconEffect::Effects.
value	Strength of the effect. 0 <= value <= 1.
rgb	Color parameter for effects that need one.
trans	Add Transparency if trans = true.

Returns

An image with the effect applied.

Definition at line 191 of file kiconeffect.cpp.

apply() [2/6]

TQImage TDEIconEffect::apply	(	TQImage	src,
		int	effect,
		float	value,
		const TQColor	rgb,
		const TQColor	rgb2,
		bool	trans
	)		const

Since

3.4

Definition at line 196 of file kiconeffect.cpp.

apply() [3/6]

TQImage TDEIconEffect::apply	(	TQImage	src,
		int	group,
		int	state
	)		const

Applies an effect to an image.

The effect to apply depends on the group and state parameters, and is configured by the user.

Parameters

src	The image.
group	The group for the icon, see TDEIcon::Group
state	The icon's state, see TDEIcon::States

Returns

An image with the effect applied.

Definition at line 175 of file kiconeffect.cpp.

apply() [4/6]

TQPixmap TDEIconEffect::apply	(	TQPixmap	src,
		int	effect,
		float	value,
		const TQColor	rgb,
		bool	trans
	)		const

Applies an effect to a pixmap.

Parameters

src	The pixmap.
effect	The effect to apply, one of TDEIconEffect::Effects.
value	Strength of the effect. 0 <= value <= 1.
rgb	Color parameter for effects that need one.
trans	Add Transparency if trans = true.

Returns

A pixmap with the effect applied.

Definition at line 248 of file kiconeffect.cpp.

apply() [5/6]

TQPixmap TDEIconEffect::apply	(	TQPixmap	src,
		int	effect,
		float	value,
		const TQColor	rgb,
		const TQColor	rgb2,
		bool	trans
	)		const

Since

3.4

Definition at line 254 of file kiconeffect.cpp.

apply() [6/6]

TQPixmap TDEIconEffect::apply	(	TQPixmap	src,
		int	group,
		int	state
	)		const

Applies an effect to a pixmap.

Parameters

src	The pixmap.
group	The group for the icon, see TDEIcon::Group
state	The icon's state, see TDEIcon::States

Returns

A pixmap with the effect applied.

Definition at line 232 of file kiconeffect.cpp.

colorize()

void TDEIconEffect::colorize ( TQImage &  image, const TQColor &  col, float  value  )

static

Colorizes an image with a specific color.

Parameters

image	The image
col	The color with which the image is tinted
value	Strength of the effect. 0 <= value <= 1

Definition at line 307 of file kiconeffect.cpp.

deSaturate()

void TDEIconEffect::deSaturate ( TQImage &  image, float  value  )

static

Desaturates an image.

Parameters

image	The image
value	Strength of the effect. 0 <= value <= 1

Definition at line 398 of file kiconeffect.cpp.

doublePixels()

TQImage TDEIconEffect::doublePixels

(

TQImage

src

)

const

Returns an image twice as large, consisting of 2x2 pixels.

Parameters

src	the image.

Returns

the scaled image.

Definition at line 543 of file kiconeffect.cpp.

fingerprint()

TQString TDEIconEffect::fingerprint	(	int	group,
		int	state
	)		const

Returns a fingerprint for the effect by encoding the given group and state into a TQString.

This is useful for caching.

Parameters

group	the group, see TDEIcon::Group
state	the state, see TDEIcon::States

Returns

the fingerprint of the given group+state

Definition at line 145 of file kiconeffect.cpp.

hasEffect()

bool TDEIconEffect::hasEffect	(	int	group,
		int	state
	)		const

Tests whether an effect has been configured for the given icon group.

Parameters

group	the group to check, see TDEIcon::Group
state	the state to check, see TDEIcon::States

Returns

true if an effect is configured for the given group in state, otherwise false.

See also

TDEIcon::Group TDEIcon::States

Definition at line 140 of file kiconeffect.cpp.

init()

void TDEIconEffect::init

(

)

Rereads configuration.

Definition at line 64 of file kiconeffect.cpp.

overlay()

void TDEIconEffect::overlay ( TQImage &  src, TQImage &  overlay  )

static

Overlays an image with an other image.

Parameters

src	The image
overlay	The image to overlay src with

Definition at line 592 of file kiconeffect.cpp.

semiTransparent() [1/2]

void TDEIconEffect::semiTransparent ( TQImage &  image )

static

Renders an image semi-transparent.

Parameters

image

The image

Definition at line 438 of file kiconeffect.cpp.

semiTransparent() [2/2]

void TDEIconEffect::semiTransparent ( TQPixmap &  pixmap )

static

Renders a pixmap semi-transparent.

Parameters

pixmap

The pixmap

Definition at line 512 of file kiconeffect.cpp.

toGamma()

void TDEIconEffect::toGamma ( TQImage &  image, float  value  )

static

Changes the gamma value of an image.

Parameters

image	The image
value	Strength of the effect. 0 <= value <= 1

Definition at line 416 of file kiconeffect.cpp.

toGray()

void TDEIconEffect::toGray ( TQImage &  image, float  value  )

static

Tints an image gray.

Parameters

image	The image
value	Strength of the effect. 0 <= value <= 1

Definition at line 285 of file kiconeffect.cpp.

toMonochrome()

void TDEIconEffect::toMonochrome ( TQImage &  image, const TQColor &  black, const TQColor &  white, float  value  )

static

Produces a monochrome icon with a given foreground and background color.

Parameters

image	The image
white	The color with which the white parts of image are painted
black	The color with which the black parts of image are painted
value	Strength of the effect. 0 <= value <= 1

Since

3.4

Definition at line 348 of file kiconeffect.cpp.

visualActivate()

void TDEIconEffect::visualActivate ( TQWidget *  widget, TQRect  rect  )

static

Provides visual feedback to show activation of an icon on a widget.

Not strictly an 'icon effect', but in practice that's what it looks like.

This method does nothing if the global 'Visual feedback on activation' option is not activated (See kcontrol/Peripherals/Mouse).

Parameters

widget	The widget on which the effect should be painted
rect	This rectangle defines the effect's borders

Definition at line 707 of file kiconeffect.cpp.

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

• kiconeffect.h
• kiconeffect.cpp