Class: GOffice::Image

Inherits:

Object

• Object
• GOffice::Image

Defined in:

(unknown)

Direct Known Subclasses

Emf, Pixbuf, Spectre, Svg

Class Method Summary

• .format_to_mime(format) ⇒ String

  Corresponding mime type.

• .formats_with_pixbuf_saver ⇒ GLib::SList<GOffice::ImageFormat>

  from a pixbuf.

• .get_default_dpi(dpi_x, dpi_y) ⇒ nil
• .get_format_from_name(name) ⇒ GOffice::ImageFormat

  Corresponding GOImage::Format.

• .get_format_info(format) ⇒ GOffice::ImageFormatInfo

  Retrieves information associated to format.

• .set_default_dpi(dpi_x, dpi_y) ⇒ nil
• .type_for_format(format) ⇒ GLib::Type

Instance Method Summary

• #differ(second) ⇒ Boolean
• #draw(cr) ⇒ nil
• #get_data(length) ⇒ Integer
• #get_scaled_pixbuf(width, height) ⇒ GdkPixbuf::Pixbuf

  Builds a scaled pixbuf from the image and returns it.

• #height ⇒ Integer

  Height.

• #height=(height) ⇒ Integer
• #info ⇒ GOffice::ImageFormatInfo
• #initialize(doc, cc, image) ⇒ Gtk::Widget constructor

  And shows new image selector.

• #load_attrs(xin, attrs) ⇒ nil
• #load_data(xin) ⇒ nil
• #name ⇒ String
• #name=(name) ⇒ nil
• #pixbuf ⇒ GdkPixbuf::Pixbuf

  Builds a pixbuf from the image if not already done and returns it, adding a reference.

• #save(output) ⇒ nil
• #thumbnail ⇒ GdkPixbuf::Pixbuf

  Generates a thumbnail for image if not already done and returns it, adding a reference.

• #width ⇒ Integer

  Width.

• #width=(width) ⇒ Integer

Constructor Details

#initialize(doc, cc, image) ⇒ Gtk::Widget

Returns and shows new image selector.

Parameters:

• doc (GOffice::Doc) —

  The #GODoc owning the image collection

• cc (GOffice::CmdContext) —

  A GOCmd::Context for error reporting

• image (GOffice::Image) —

  A #GOImage

Class Method Details

.format_to_mime(format) ⇒ String

Returns corresponding mime type.

Parameters:

• format (String) —

  a file extension string

Returns:

• (String) —

  corresponding mime type.

.formats_with_pixbuf_saver ⇒ GLib::SList<GOffice::ImageFormat>

from a pixbuf.

Returns:

• (GLib::SList<GOffice::ImageFormat>) —

  a list of GOImage::Format that can be created

.get_default_dpi(dpi_x, dpi_y) ⇒ nil

Parameters:

• dpi_x (Float)
• dpi_y (Float)

Returns:

• (nil)

.get_format_from_name(name) ⇒ GOffice::ImageFormat

Returns corresponding GOImage::Format.

Parameters:

• name (String) —

  a string

Returns:

• (GOffice::ImageFormat) —

  corresponding GOImage::Format.

.get_format_info(format) ⇒ GOffice::ImageFormatInfo

Retrieves information associated to format.

Parameters:

• format (GOffice::ImageFormat) —

  a GOImage::Format

Returns:

• (GOffice::ImageFormatInfo) —

  a GOImage::FormatInfo struct.

.set_default_dpi(dpi_x, dpi_y) ⇒ nil

Parameters:

• dpi_x (Float)
• dpi_y (Float)

Returns:

• (nil)

.type_for_format(format) ⇒ GLib::Type

Parameters:

• format (String)

Returns:

• (GLib::Type)

Instance Method Details

#differ(second) ⇒ Boolean

Parameters:

• second (GOffice::Image)

Returns:

• (Boolean)

#draw(cr) ⇒ nil

Parameters:

• cr (cairo::Context)

Returns:

• (nil)

#get_data(length) ⇒ Integer

Parameters:

• length (Integer)

Returns:

• (Integer)

#get_scaled_pixbuf(width, height) ⇒ GdkPixbuf::Pixbuf

Builds a scaled pixbuf from the image and returns it. The caller needs to unref it. The pixbuf is scaled so that its width and height are not larger than, respectively, width and height, and preserving the aspect ratio.

Parameters:

• width (Integer) —

  the new pixbuf width

• height (Integer) —

  the new pixbuf height

Returns:

• (GdkPixbuf::Pixbuf) —

  the scaled pixbuf for image

#height ⇒ Integer

Returns height.

Returns:

• (Integer) —

  height

#height=(height) ⇒ Integer

Parameters:

• height (Integer)

Returns:

• (Integer) —

  height

• (Integer) —

  height

#info ⇒ GOffice::ImageFormatInfo

Returns:

• (GOffice::ImageFormatInfo)

#load_attrs(xin, attrs) ⇒ nil

Parameters:

• xin (Gsf::XMLIn)
• attrs (libxml2::Char)

Returns:

• (nil)

#load_data(xin) ⇒ nil

Parameters:

• xin (Gsf::XMLIn)

Returns:

• (nil)

#name ⇒ String

Returns:

• (String)

#name=(name) ⇒ nil

Parameters:

• name (String)

Returns:

• (nil)

#pixbuf ⇒ GdkPixbuf::Pixbuf

Builds a pixbuf from the image if not already done and returns it, adding a reference.

Returns:

• (GdkPixbuf::Pixbuf) —

  the pixbuf for image

#save(output) ⇒ nil

Parameters:

• output (Gsf::XMLOut)

Returns:

• (nil)

#thumbnail ⇒ GdkPixbuf::Pixbuf

Generates a thumbnail for image if not already done and returns it, adding a reference. The pixbuf is scaled so that its width and height are not larger than 64 pixels, and preserving the aspect ratio.

Returns:

• (GdkPixbuf::Pixbuf) —

  the thumbnail for image

#width ⇒ Integer

Returns width.

Returns:

• (Integer) —

  width

#width=(width) ⇒ Integer

Parameters:

• width (Integer)

Returns:

• (Integer) —

  width

• (Integer) —

  width