TGUI  1.0-alpha

Picture widget. More...

#include <TGUI/Widgets/Picture.hpp>

Inheritance diagram for tgui::Picture:
tgui::ClickableWidget tgui::Widget

Public Types

typedef std::shared_ptr< PicturePtr
 Shared widget pointer.
 
typedef std::shared_ptr< const PictureConstPtr
 Shared constant widget pointer.
 
- Public Types inherited from tgui::ClickableWidget
typedef std::shared_ptr< ClickableWidgetPtr
 Shared widget pointer.
 
typedef std::shared_ptr< const ClickableWidgetConstPtr
 Shared constant widget pointer.
 
- Public Types inherited from tgui::Widget
typedef std::shared_ptr< WidgetPtr
 Shared widget pointer.
 
typedef std::shared_ptr< const WidgetConstPtr
 Shared constant widget pointer.
 

Public Member Functions

 Picture (const char *typeName="Picture", bool initRenderer=true)
 
PictureRenderergetSharedRenderer ()
 Returns the renderer, which gives access to functions that determine how the widget is displayed. More...
 
const PictureRenderergetSharedRenderer () const
 
PictureRenderergetRenderer ()
 Returns the renderer, which gives access to functions that determine how the widget is displayed. More...
 
void setSize (const Layout2d &size) override
 Changes the size of the picture. More...
 
void ignoreMouseEvents (bool ignore=true)
 Sets whether the widget should completely ignore mouse events and let them pass to the widgets behind it. More...
 
bool isIgnoringMouseEvents () const
 Returns whether the widget is ignoring mouse events and letting them pass to the widgets behind it. More...
 
bool canGainFocus () const override
 Returns whether the widget can gain focus. More...
 
bool isMouseOnWidget (Vector2f pos) const override
 Returns whether the mouse position (which is relative to the parent widget) lies on top of the widget. More...
 
void leftMouseReleased (Vector2f pos) override
 
void draw (BackendRenderTarget &target, RenderStates states) const override
 Draw the widget to a render target. More...
 
virtual void setSize (const Layout2d &size)
 Changes the size of the widget. More...
 
void setSize (Layout width, Layout height)
 Changes the size of the widget. More...
 
- Public Member Functions inherited from tgui::ClickableWidget
 ClickableWidget (const char *typeName="ClickableWidget", bool initRenderer=true)
 
bool isMouseOnWidget (Vector2f pos) const override
 Returns whether the mouse position (which is relative to the parent widget) lies on top of the widget. More...
 
void leftMousePressed (Vector2f pos) override
 
void leftMouseReleased (Vector2f pos) override
 
void rightMousePressed (Vector2f pos) override
 
void rightMouseReleased (Vector2f pos) override
 
void rightMouseButtonNoLongerDown () override
 
void draw (BackendRenderTarget &target, RenderStates states) const override
 Draw the widget to a render target. More...
 
- Public Member Functions inherited from tgui::Widget
 Widget (const char *typeName, bool initRenderer)
 
 Widget (const Widget &)
 Copy constructor.
 
 Widget (Widget &&) noexcept
 Move constructor.
 
virtual ~Widget ()
 Destructor.
 
Widgetoperator= (const Widget &)
 Overload of copy assignment operator.
 
Widgetoperator= (Widget &&) noexcept
 Move assignment.
 
void setRenderer (std::shared_ptr< RendererData > rendererData)
 Sets a new renderer for the widget. The renderer determines how the widget looks. More...
 
WidgetRenderergetSharedRenderer ()
 Returns the renderer, which gives access to functions that determine how the widget is displayed. More...
 
const WidgetRenderergetSharedRenderer () const
 
WidgetRenderergetRenderer ()
 Returns the renderer, which gives access to functions that determine how the widget is displayed. More...
 
virtual void setPosition (const Layout2d &position)
 sets the position of the widget More...
 
void setPosition (Layout x, Layout y)
 Sets the position of the widget. More...
 
Vector2f getPosition () const
 Gets the position of the widget. More...
 
virtual void setSize (const Layout2d &size)
 Changes the size of the widget. More...
 
void setSize (Layout width, Layout height)
 Changes the size of the widget. More...
 
void setWidth (Layout width)
 Changes the width of the widget. More...
 
void setHeight (Layout height)
 Changes the height of the widget. More...
 
Vector2f getSize () const
 Returns the size of the widget. More...
 
virtual Vector2f getFullSize () const
 Returns the entire size that the widget is using. More...
 
virtual Vector2f getAbsolutePosition () const
 Get the absolute position of the top-left point of the widget instead of the relative position to its parent. More...
 
virtual Vector2f getWidgetOffset () const
 Returns the distance between the position where the widget is drawn and where the widget is placed. More...
 
void setOrigin (float x, float y)
 Sets the origin point on which the position, scale and rotation is based. More...
 
void setOrigin (Vector2f origin)
 Sets the origin point on which the position, scale and rotation is based. More...
 
Vector2f getOrigin () const
 Returns the relative origin point on which the position, scale and rotation is based. More...
 
void setScale (Vector2f scaleFactors)
 Sets the scaling to be applied to the widget. More...
 
void setScale (Vector2f scaleFactors, Vector2f origin)
 Sets the scaling to be applied to the widget. More...
 
void setScale (float scaleFactor)
 Sets the scaling to be applied to the widget. More...
 
void setScale (float scaleFactor, Vector2f origin)
 Sets the scaling to be applied to the widget. More...
 
Vector2f getScale () const
 Returns the scaling to be applied to the widget. More...
 
Vector2f getScaleOrigin () const
 Returns the origin used for scaling. More...
 
void setRotation (float angle)
 Sets the rotation to be applied to the widget. More...
 
void setRotation (float angle, Vector2f origin)
 Sets the rotation to be applied to the widget. More...
 
float getRotation () const
 Returns the rotation to be applied to the widget. More...
 
Vector2f getRotationOrigin () const
 Returns the origin used for rotations. More...
 
void showWithEffect (ShowEffectType type, Duration duration)
 Shows the widget by introducing it with an animation. More...
 
void hideWithEffect (ShowEffectType type, Duration duration)
 Hides the widget by making it leave with an animation. More...
 
void moveWithAnimation (Layout2d position, Duration duration)
 Moves the widget from its current position to the given position, over a given duration. More...
 
void resizeWithAnimation (Layout2d size, Duration duration)
 Resizes the widget from its current size to the given size, over a given duration. More...
 
virtual void setVisible (bool visible)
 Shows or hides a widget. More...
 
bool isVisible () const
 Returns true when the widget is visible. More...
 
virtual void setEnabled (bool enabled)
 Enables or disables the widget. More...
 
bool isEnabled () const
 Returns true when the widget is enabled. More...
 
virtual void setFocused (bool focused)
 Focus or unfocus the widget. More...
 
bool isFocused () const
 Returns true when the widget is focused and false otherwise. More...
 
const StringgetWidgetType () const
 Returns the type of the widget. More...
 
ContainergetParent () const
 Returns a pointer to the parent widget. More...
 
BackendGuigetParentGui () const
 Returns a pointer to the gui to which this widget belongs. More...
 
bool isAnimationPlaying () const
 Returns whether there is an active animation (started with showWithEffect or hideWithEffect) More...
 
void moveToFront ()
 Places the widget before all other widgets. More...
 
void moveToBack ()
 Places the widget behind all other widgets. More...
 
void setUserData (Any userData)
 Stores some data into the widget. More...
 
template<typename T >
getUserData () const
 Returns data stored in the widget. More...
 
bool hasUserData () const
 Returns whether data stored in the widget. More...
 
void setInheritedFont (const Font &font)
 Sets the font of the widget that is used when no font is set in the renderer. More...
 
const FontgetInheritedFont () const
 Returns the font of the widget that is used when no font is set in the renderer. More...
 
void setInheritedOpacity (float opacity)
 Sets the opacity of the widget that will be multiplied with the opacity set in the renderer. More...
 
float getInheritedOpacity () const
 Returns the opacity of the widget that is multiplied with the opacity set in the renderer. More...
 
void setTextSize (unsigned int size)
 Changes the character size of text in this widget if it uses text. More...
 
unsigned int getTextSize () const
 Returns the character size of text in this widget. More...
 
void setToolTip (Widget::Ptr toolTip)
 Sets the tool tip that should be displayed when hovering over the widget. More...
 
Widget::Ptr getToolTip () const
 Returns the tool tip that is displayed when hovering over the widget. More...
 
void setWidgetName (const String &name)
 Changes the name of a widget. More...
 
String getWidgetName () const
 Returns the name of a widget. More...
 
void setMouseCursor (Cursor::Type cursor)
 Changes which mouse cursor is shown when hovering over the widget. More...
 
Cursor::Type getMouseCursor () const
 Returns which mouse cursor is shown when hovering over the widget. More...
 
void setFocusable (bool focusable)
 Changes whether a widget could be focused. More...
 
bool isFocusable () const
 Returns whether a widget could be focused. More...
 
void finishAllAnimations ()
 Makes all animations of the widget finish immediately.
 
virtual bool canGainFocus () const
 Returns whether the widget can currently gain focus. More...
 
bool isContainer () const
 Returns whether the widget is a container widget or not. More...
 
bool isDraggableWidget () const
 Returns whether the widget has something to drag (e.g. slider or scrollbar thumbs) More...
 
bool isMouseDown () const
 Returns whether the left mouse button has been pressed on top of the widget. More...
 
virtual SignalgetSignal (String signalName)
 Retrieves a signal based on its name. More...
 
virtual void setParent (Container *parent)
 
virtual bool updateTime (Duration elapsedTime)
 
virtual bool isMouseOnWidget (Vector2f pos) const =0
 Returns whether the mouse position (which is relative to the parent widget) lies on top of the widget. More...
 
virtual void leftMousePressed (Vector2f pos)
 
virtual void leftMouseReleased (Vector2f pos)
 
virtual void rightMousePressed (Vector2f pos)
 
virtual void rightMouseReleased (Vector2f pos)
 
virtual void mousePressed (Event::MouseButton button, Vector2f pos)
 
virtual void mouseReleased (Event::MouseButton button, Vector2f pos)
 
virtual void mouseMoved (Vector2f pos)
 
virtual void keyPressed (const Event::KeyEvent &event)
 
virtual void textEntered (char32_t key)
 
virtual bool mouseWheelScrolled (float delta, Vector2f pos)
 
virtual void mouseNoLongerOnWidget ()
 
virtual void leftMouseButtonNoLongerDown ()
 
virtual void rightMouseButtonNoLongerDown ()
 
virtual Widget::Ptr askToolTip (Vector2f mousePos)
 
const Layout2dgetPositionLayout () const
 
const Layout2dgetSizeLayout () const
 
void bindPositionLayout (Layout *layout)
 
void unbindPositionLayout (Layout *layout)
 
void bindSizeLayout (Layout *layout)
 
void unbindSizeLayout (Layout *layout)
 
virtual void draw (BackendRenderTarget &target, RenderStates states) const =0
 Draw the widget to a render target. More...
 
template<typename WidgetType >
std::shared_ptr< const WidgetType > cast () const
 Downcast const widget.
 
template<typename WidgetType >
std::shared_ptr< WidgetType > cast ()
 Downcast widget.
 
virtual Widget::Ptr clone () const =0
 Makes a copy of the widget if you don't know its exact type. More...
 
void rendererChangedCallback (const String &property)
 

Static Public Member Functions

static Picture::Ptr create ()
 Creates a new empty picture widget. More...
 
static Picture::Ptr create (const Texture &texture, bool transparentTexture=false)
 Creates a new picture widget. More...
 
static Picture::Ptr copy (Picture::ConstPtr picture)
 Makes a copy of another picture. More...
 
- Static Public Member Functions inherited from tgui::ClickableWidget
static ClickableWidget::Ptr create (Layout2d size={"100%", "100%"})
 Creates a new clickable widget. More...
 
static ClickableWidget::Ptr copy (ClickableWidget::ConstPtr widget)
 Makes a copy of another clickable widget. More...
 

Public Attributes

SignalVector2f onDoubleClick = {"DoubleClicked"}
 The picture was double clicked. Optional parameter: mouse position relative to picture.
 
- Public Attributes inherited from tgui::ClickableWidget
SignalVector2f onMousePress = {"MousePressed"}
 The mouse went down on the widget. Optional parameter: mouse position relative to widget.
 
SignalVector2f onMouseRelease = {"MouseReleased"}
 The mouse was released on top of the widget. Optional parameter: mouse position relative to widget.
 
SignalVector2f onClick = {"Clicked"}
 The widget was clicked. Optional parameter: mouse position relative to widget.
 
SignalVector2f onRightMousePress = {"RightMousePressed"}
 The right mouse button went down on the widget. Optional parameter: mouse position relative to widget.
 
SignalVector2f onRightMouseRelease = {"RightMouseReleased"}
 The right mouse button was released on top of the widget. Optional parameter: mouse position relative to widget.
 
SignalVector2f onRightClick = {"RightClicked"}
 The widget was right clicked. Optional parameter: mouse position relative to widget.
 
- Public Attributes inherited from tgui::Widget
SignalVector2f onPositionChange = {"PositionChanged"}
 The position of the widget changed. Optional parameter: new position.
 
SignalVector2f onSizeChange = {"SizeChanged"}
 The size of the widget changed. Optional parameter: new size.
 
Signal onFocus = {"Focused"}
 The widget was focused.
 
Signal onUnfocus = {"Unfocused"}
 The widget was unfocused.
 
Signal onMouseEnter = {"MouseEntered"}
 The mouse entered the widget.
 
Signal onMouseLeave = {"MouseLeft"}
 The mouse left the widget.
 
SignalShowEffect onShowEffectFinish = {"ShowEffectFinished"}
 A show or hide effect finished. Optional parameters: effect type, new widget visibility or both.
 
SignalAnimationType onAnimationFinish = {"AnimationFinished"}
 An animation has finished. More...
 

Protected Member Functions

SignalgetSignal (String signalName) override
 Retrieves a signal based on its name. More...
 
void rendererChanged (const String &property) override
 Function called when one of the properties of the renderer is changed. More...
 
std::unique_ptr< DataIO::Node > save (SavingRenderersMap &renderers) const override
 Saves the widget as a tree node in order to save it to a file. More...
 
void load (const std::unique_ptr< DataIO::Node > &node, const LoadingRenderersMap &renderers) override
 Loads the widget from a tree of nodes. More...
 
bool updateTime (Duration elapsedTime) override
 
Widget::Ptr clone () const override
 Makes a copy of the widget if you don't know its exact type. More...
 
SignalgetSignal (String signalName) override
 Retrieves a signal based on its name. More...
 
Widget::Ptr clone () const override
 Makes a copy of the widget if you don't know its exact type. More...
 
- Protected Member Functions inherited from tgui::Widget
virtual void rendererChanged (const String &property)
 Function called when one of the properties of the renderer is changed. More...
 
virtual std::unique_ptr< DataIO::Node > save (SavingRenderersMap &renderers) const
 Saves the widget as a tree node in order to save it to a file. More...
 
virtual void load (const std::unique_ptr< DataIO::Node > &node, const LoadingRenderersMap &renderers)
 Loads the widget from a tree of nodes. More...
 
virtual void updateTextSize ()
 Called when the text size is changed (either by setTextSize or via the renderer) More...
 
virtual void mouseEnteredWidget ()
 This function is called when the mouse enters the widget. More...
 
virtual void mouseLeftWidget ()
 This function is called when the mouse leaves the widget. More...
 

Protected Attributes

Sprite m_sprite
 
bool m_ignoringMouseEvents = false
 
bool m_possibleDoubleClick = false
 
- Protected Attributes inherited from tgui::Widget
String m_type
 
String m_name
 
Layout2d m_position
 
Layout2d m_size
 
unsigned int m_textSize = 0
 
Vector2f m_origin
 
Optional< Vector2fm_rotationOrigin
 
Optional< Vector2fm_scaleOrigin
 
Vector2f m_scaleFactors = {1, 1}
 
float m_rotationDeg = 0
 
Vector2f m_prevPosition
 
Vector2f m_prevSize
 
std::unordered_set< Layout * > m_boundPositionLayouts
 
std::unordered_set< Layout * > m_boundSizeLayouts
 
bool m_enabled = true
 
bool m_visible = true
 
Containerm_parent = nullptr
 
BackendGuim_parentGui = nullptr
 
bool m_mouseHover = false
 
bool m_mouseDown = false
 
bool m_focused = false
 
bool m_focusable = true
 
Duration m_animationTimeElapsed
 
bool m_draggableWidget = false
 
bool m_containerWidget = false
 
Widget::Ptr m_toolTip = nullptr
 
aurora::CopiedPtr< WidgetRendererm_renderer = nullptr
 
std::vector< std::shared_ptr< priv::Animation > > m_showAnimations
 
Font m_inheritedFont
 
float m_inheritedOpacity = 1
 
Font m_fontCached = Font::getGlobalFont()
 
float m_opacityCached = 1
 
bool m_transparentTextureCached = false
 
unsigned int m_textSizeCached = 0
 
Any m_userData
 
Cursor::Type m_mouseCursor = Cursor::Type::Arrow
 

Additional Inherited Members

- Protected Types inherited from tgui::Widget
using SavingRenderersMap = std::map< const Widget *, std::pair< std::unique_ptr< DataIO::Node >, String > >
 
using LoadingRenderersMap = std::map< String, std::shared_ptr< RendererData > >
 

Detailed Description

Picture widget.

Member Function Documentation

◆ canGainFocus()

bool tgui::Picture::canGainFocus ( ) const
overridevirtual

Returns whether the widget can gain focus.

Returns
Can the widget be focused?

This function returns false for Picture widgets.

Reimplemented from tgui::Widget.

◆ clone()

Widget::Ptr tgui::Picture::clone ( ) const
overrideprotectedvirtual

Makes a copy of the widget if you don't know its exact type.

This function should only be used when you don't know the type of the widget. If you know what kind of widget you are copying, you should use the copy function.

Returns
Copy of the widget

Reimplemented from tgui::ClickableWidget.

◆ copy()

static Picture::Ptr tgui::Picture::copy ( Picture::ConstPtr  picture)
static

Makes a copy of another picture.

Parameters
pictureThe other picture
Returns
The new picture

◆ create() [1/2]

static Picture::Ptr tgui::Picture::create ( )
static

Creates a new empty picture widget.

Returns
The new picture

◆ create() [2/2]

static Picture::Ptr tgui::Picture::create ( const Texture texture,
bool  transparentTexture = false 
)
static

Creates a new picture widget.

Parameters
textureThe texture to load the picture from
transparentTextureAre there transparent parts in the texture where the mouse events should be passed to the widget behind the picture?
Returns
The new picture
auto picture1 = Picture::create("image.png");
auto picture2 = Picture::create({"image.png", {20, 15, 60, 40}}); // Load part of the image from (20,15) to (80,55)
sf::Texture texture;
texture.loadFromFile("image.png", {20, 15, 60, 40});
auto picture3 = Picture::create(texture);
static Picture::Ptr create()
Creates a new empty picture widget.

◆ draw()

void tgui::Picture::draw ( BackendRenderTarget target,
RenderStates  states 
) const
overridevirtual

Draw the widget to a render target.

Parameters
targetRender target to draw to
statesCurrent render states

Reimplemented from tgui::ClickableWidget.

◆ getRenderer()

PictureRenderer * tgui::Picture::getRenderer ( )

Returns the renderer, which gives access to functions that determine how the widget is displayed.

Returns
Temporary pointer to the renderer
Warning
After calling this function, the widget has its own copy of the renderer and it will no longer be shared.

◆ getSharedRenderer()

PictureRenderer * tgui::Picture::getSharedRenderer ( )

Returns the renderer, which gives access to functions that determine how the widget is displayed.

Returns
Temporary pointer to the renderer that may be shared with other widgets using the same renderer

◆ getSignal()

Signal & tgui::Picture::getSignal ( String  signalName)
overrideprotectedvirtual

Retrieves a signal based on its name.

Parameters
signalNameName of the signal
Returns
Signal that corresponds to the name
Exceptions
Exceptionwhen the name does not match any signal

Reimplemented from tgui::ClickableWidget.

◆ ignoreMouseEvents()

void tgui::Picture::ignoreMouseEvents ( bool  ignore = true)

Sets whether the widget should completely ignore mouse events and let them pass to the widgets behind it.

Parameters
ignoreShould mouse events be ignored by this widget?

By default, mouse events are NOT ignored.

◆ isIgnoringMouseEvents()

bool tgui::Picture::isIgnoringMouseEvents ( ) const

Returns whether the widget is ignoring mouse events and letting them pass to the widgets behind it.

Returns
Are mouse events ignored by this widget?

◆ isMouseOnWidget()

bool tgui::Picture::isMouseOnWidget ( Vector2f  pos) const
overridevirtual

Returns whether the mouse position (which is relative to the parent widget) lies on top of the widget.

Returns
Is the mouse on top of the widget?

Reimplemented from tgui::ClickableWidget.

◆ leftMouseReleased()

void tgui::Picture::leftMouseReleased ( Vector2f  pos)
overridevirtual

Reimplemented from tgui::ClickableWidget.

◆ load()

void tgui::Picture::load ( const std::unique_ptr< DataIO::Node > &  node,
const LoadingRenderersMap &  renderers 
)
overrideprotectedvirtual

Loads the widget from a tree of nodes.

Reimplemented from tgui::Widget.

◆ rendererChanged()

void tgui::Picture::rendererChanged ( const String property)
overrideprotectedvirtual

Function called when one of the properties of the renderer is changed.

Parameters
propertyName of the property that was changed

Reimplemented from tgui::Widget.

◆ save()

std::unique_ptr< DataIO::Node > tgui::Picture::save ( SavingRenderersMap &  renderers) const
overrideprotectedvirtual

Saves the widget as a tree node in order to save it to a file.

Reimplemented from tgui::Widget.

◆ setSize() [1/3]

virtual void tgui::Widget::setSize ( const Layout2d size)
virtual

Changes the size of the widget.

Parameters
sizeSize of the widget

Usage examples:

// Give the widget an exact size
widget->setSize({40, 30});
// Give the widget a size relative to the size of its parent
widget->setSize({"20%", "5%"});
// Make the widget 50 pixels higher than some other widget and automatically resize it when the other widget resizes
widget->setSize({200, tgui::bindHeight(otherWidget) + 50});
TGUI_API Layout bindHeight(std::shared_ptr< Widget > widget)
Bind to the height of the widget.

Reimplemented from tgui::Widget.

◆ setSize() [2/3]

void tgui::Picture::setSize ( const Layout2d size)
overridevirtual

Changes the size of the picture.

Parameters
sizeThe new size of the picture

The image will be scaled to fit this size.

Reimplemented from tgui::Widget.

◆ setSize() [3/3]

void tgui::Widget::setSize ( Layout  width,
Layout  height 
)
inline

Changes the size of the widget.

Parameters
widthWidth of the widget
heightHeight of the widget
Warning
This setSize overload must never be used from internal TGUI code or by custom widget implementations

◆ updateTime()

bool tgui::Picture::updateTime ( Duration  elapsedTime)
overrideprotectedvirtual

Reimplemented from tgui::Widget.


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