xtd 0.2.0
xtd::drawing::imaging::effects::opacity_effect Struct Reference
Inheritance diagram for xtd::drawing::imaging::effects::opacity_effect:
xtd::drawing::imaging::effects::effect xtd::abstract_object xtd::object

Definition

The xtd::drawing::imaging::effects::opacity_effect changes the opacity level of the image with percent factor.

Namespace
xtd::drawing::imaging::effects
Library
xtd.drawing
Appearance
Original Converted
Examples
The following example code shows how tu use xtd::drawing::imaging::effects::opacity_effect with image.
const auto img = image::from_file("ball.png");
auto result = image_effector::set_effect(img, opacity_effect {0.5});
result.save("ball_opacity.png");
void save(const xtd::string &filename) const
Saves this xtd::drawing::image to the specified file or stream.
static image from_file(const xtd::string &filename)
Creates an image from the specified file.
static xtd::drawing::image set_effect(const xtd::drawing::image &image, const xtd::drawing::imaging::effects::effect &effect)
Sets the specified effects to the specifid image.
The xtd::drawing::imaging::effects::opacity_effect changes the opacity level of the image with percen...
Definition opacity_effect.hpp:34

Public Properties

double percent
 Gets or sets the percent factor in %.
 

Public Constructors

 opacity_effect ()=default
 Initialise the new instance of xtd::drawing::imaging::opacity_effect object.
 
 opacity_effect (double percent)
 Initialise the new instance of xtd::drawing::imaging::opacity_effect object with specified percent.
 

Protected Methods

void apply (xtd::drawing::image &image) const override
 Apply the effect.
 

Additional Inherited Members

- Public Member Functions inherited from xtd::object
 object ()=default
 Create a new instance of the ultimate base class object.
 
virtual bool equals (const object &obj) const noexcept
 Determines whether the specified object is equal to the current object.
 
virtual xtd::size get_hash_code () const noexcept
 Serves as a hash function for a particular type.
 
virtual type_object get_type () const noexcept
 Gets the type of the current instance.
 
template<class object_t >
xtd::uptr< object_t > memberwise_clone () const
 Creates a shallow copy of the current object.
 
virtual xtd::string to_string () const noexcept
 Returns a xtd::string that represents the current object.
 
- Static Public Member Functions inherited from xtd::object
template<class object_a_t , class object_b_t >
static bool equals (const object_a_t &object_a, const object_b_t &object_b) noexcept
 Determines whether the specified object instances are considered equal.
 
template<class object_a_t , class object_b_t >
static bool reference_equals (const object_a_t &object_a, const object_b_t &object_b) noexcept
 Determines whether the specified object instances are the same instance.
 
- Protected Member Functions inherited from xtd::drawing::imaging::effects::effect
- Protected Member Functions inherited from xtd::abstract_object
 abstract_object ()=default
 Initializes a new instance of the xtd::abstract_object class.
 

Constructor & Destructor Documentation

◆ opacity_effect() [1/2]

xtd::drawing::imaging::effects::opacity_effect::opacity_effect ( )
default

Initialise the new instance of xtd::drawing::imaging::opacity_effect object.

◆ opacity_effect() [2/2]

xtd::drawing::imaging::effects::opacity_effect::opacity_effect ( double  percent)
explicit

Initialise the new instance of xtd::drawing::imaging::opacity_effect object with specified percent.

Parameters
percentThe percent factor in %.

Member Function Documentation

◆ apply()

void xtd::drawing::imaging::effects::opacity_effect::apply ( xtd::drawing::image image) const
overrideprotectedvirtual

Apply the effect.

Parameters
graphicsThe graphics to apply effect.
imageThe image where the effect is applied.

Implements xtd::drawing::imaging::effects::effect.

Member Data Documentation

◆ percent

double xtd::drawing::imaging::effects::opacity_effect::percent

Gets or sets the percent factor in %.

Parameters
percentThe percent factor in %.
Remarks
0.0 will represents a transparent image. 1.0 will provide the original image.

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