Class: Iup::ImageWidget

Inherits:
Widget
  • Object
show all
Defined in:
lib/wrapped/image.rb

Overview

Parent class of images provides common attributes.

See also: Image, ImageRGB, ImageRGBA, Iup.load_image.

Direct Known Subclasses

Image, ImageRGB, ImageRGBA

Instance Attribute Summary

Attributes inherited from Widget

#handle

Instance Method Summary collapse

Methods inherited from Widget

#active, #bgcolor, #destroy, #enterwindow_cb=, #fgcolor, #font, #getfocus_cb=, #help_cb=, #k_any=, #killfocus_cb=, #leavewindow_cb=, #map_cb=, #maxsize, #minsize, #open_controls, #size, #unmap_cb=, #visible, #zorder

Methods included from AttributeBuilders

#define_attribute, #define_id_attribute, #define_id_reader, #define_id_writer, #define_property_attribute, #define_property_reader, #define_property_writer, #define_reader, #define_writer

Methods included from CallbackSetter

#define_callback

Instance Method Details

#assign_handle ⇒ Object

:attr_writer: assign_handle The name for referring to image.



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# File 'lib/wrapped/image.rb', line 27

define_writer :assign_handle

#bpp ⇒ Object

:attr_reader: bpp Returns the number of bits per pixel.



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# File 'lib/wrapped/image.rb', line 32

define_reader :bpp

#channels ⇒ Object

:attr_reader: channels Returns the number of channels.



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# File 'lib/wrapped/image.rb', line 37

define_reader :channels

#height ⇒ Object

:attr_reader: height Height of the image, in pixels.



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# File 'lib/wrapped/image.rb', line 42

define_reader :height

#hotspot ⇒ Object

:attr: hotspot “x:y”, coordinates of spot in image used for mouse click. Default is “0:0”.



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# File 'lib/wrapped/image.rb', line 48

define_attribute :hotspot

#rastersize ⇒ Object

:attr_reader: rastersize Size of the image, in pixels, value as “widthxheight”.



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# File 'lib/wrapped/image.rb', line 53

define_reader :rastersize

#save(filename, format = 'png') ⇒ Object

Saves image to given filename. Optional format is one of: “BMP”, “JPEG”, “GIF”, “TIFF”, “PNG”, “PNM”, “PCX”, “ICO”, etc.



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# File 'lib/wrapped/image.rb', line 67

def save(filename, format = 'png')
  err = IupIm.IupSaveImage @handle, filename, format
  if err.zero?
    raise Exception, 'Could not save image as file'
  end
end

#wid ⇒ Object

:attr_reader: wid Native widget identifier.



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# File 'lib/wrapped/image.rb', line 58

define_reader :wid

#width ⇒ Object

:attr_reader: width Width of the image, in pixels.



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# File 'lib/wrapped/image.rb', line 63

define_reader :width