Class: Axlsx::Pic

Inherits:

Object

• Object
• Axlsx::Pic

show all

Defined in:

lib/axlsx/drawing/pic.rb

Overview

Constant Summary

ALLOWED_EXTENSIONS =

allowed file extenstions

['gif', 'jpeg', 'png', 'jpg']

Instance Attribute Summary (collapse)

• - (OneCellAnchor) anchor readonly

  The anchor for this image.

• - (String) descr

  A description of the picture.

• - (String) image_src

  The path to the image you want to include Only local images are supported at this time and only jpg support.

• - (String) name

  The name to use for this picture.

Instance Method Summary (collapse)

• - (String) extname

  returns the extension of image_src without the preceeding ’.’.

• - (String) file_name

  The file name of image_src without any path information.

• - (Object) height

  providing access to update the anchor’s height attribute.

• - (Object) height=(v)
• - (Index) index

  The index of this image in the workbooks images collections.

• - (Pic) initialize(anchor, options = {}) {|_self| ... } constructor

  Creates a new Pic(ture) object.

• - (String) pn

  The part name for this image used in serialization and relationship building.

• - (Marker) start_at(x, y)

  This is a short cut method to set the start anchor position If you need finer granularity in positioning use graphic_frame.anchor.from.colOff / rowOff.

• - (String) to_xml(xml)

  Serializes the picture.

• - (Object) width

  providing access to the anchor’s width attribute.

• - (Object) width=(v)

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# File 'lib/axlsx/drawing/pic.rb', line 38

def initialize(anchor, options={})
  @anchor = anchor
  @anchor.drawing.worksheet.workbook.images << self
  options.each do |o|
    self.send("#{o[0]}=", o[1]) if self.respond_to? "#{o[0]}="
  end
  start_at(*options[:start_at]) if options[:start_at]
  yield self if block_given?
end

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# File 'lib/axlsx/drawing/pic.rb', line 27

def anchor
  @anchor
end

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# File 'lib/axlsx/drawing/pic.rb', line 18

def descr
  @descr
end

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# File 'lib/axlsx/drawing/pic.rb', line 23

def image_src
  @image_src
end

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# File 'lib/axlsx/drawing/pic.rb', line 13

def name
  @name
end

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# File 'lib/axlsx/drawing/pic.rb', line 70

def extname
  File.extname(image_src).delete('.') unless image_src.nil?
end

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# File 'lib/axlsx/drawing/pic.rb', line 64

def file_name
  File.basename(image_src) unless image_src.nil?
end

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# File 'lib/axlsx/drawing/pic.rb', line 101

def height
  @anchor.height
end

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# File 'lib/axlsx/drawing/pic.rb', line 106

def height=(v)
  @anchor.height = v
end

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# File 'lib/axlsx/drawing/pic.rb', line 76

def index
  @anchor.drawing.worksheet.workbook.images.index(self)
end

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# File 'lib/axlsx/drawing/pic.rb', line 82

def pn
  "#{IMAGE_PN % [(index+1), extname]}"
end

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# File 'lib/axlsx/drawing/pic.rb', line 116

def start_at(x, y)
  @anchor.from.col = x
  @anchor.from.row = y
end

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# File 'lib/axlsx/drawing/pic.rb', line 124

def to_xml(xml)
  xml.send('xdr:pic') {
    xml.send('xdr:nvPicPr') {
      xml.send('xdr:cNvPr', :id=>"2", :name=>name, :descr=>descr)
      xml.send('xdr:cNvPicPr') {
        xml.send('a:picLocks', :noChangeAspect=>1)
      }
    }
    xml.send('xdr:blipFill') {
      xml.send('a:blip', :'xmlns:r' => XML_NS_R, :'r:embed'=>"rId1")
      xml.send('a:stretch') {
        xml.send('a:fillRect')
      }
    }
    xml.send('xdr:spPr') {
      xml.send('a:xfrm') {
        xml.send('a:off', :x=>0, :y=>0)
        xml.send('a:ext', :cx=>2336800, :cy=>2161540)
      }
      xml.send('a:prstGeom', :prst=>:rect) {
        xml.send('a:avLst')
      }
    }
  }
end

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# File 'lib/axlsx/drawing/pic.rb', line 89

def width
  @anchor.width
end

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# File 'lib/axlsx/drawing/pic.rb', line 94

def width=(v)
  @anchor.width = v
end