Class: AastraXmlApi::PhoneGDImage

Inherits:
Object
  • Object
show all
Defined in:
lib/aastra_xml_api/phone_gd_image.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PhoneGDImage

Creates a new GD image of size 144x40 (maximum allowed on phone). Also creates black and white colors to be used and sets default font path based on whether this is running under rails or a specific operating system.



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# File 'lib/aastra_xml_api/phone_gd_image.rb', line 101

def initialize
  # create image
  @img = GD::Image.new(144, 40)

  # define black and white
  @white = @img.colorAllocate(255, 255, 255)
  @black = @img.colorAllocate(0, 0, 0)

  # black and white only so disable anti-aliasing
  @black *= -1
  @white *= -1

  # define a default font path
  if defined?(RAILS_ROOT) then
    @fontpath = "#{RAILS_ROOT}/fonts"
  else
    os = RUBY_PLATFORM.downcase
    @fontpath = "C:\\Windows\\Fonts" if not os.scan(/win/).nil?
    @fontpath = "../fonts" if not os.scan(/linux$/).nil?
    @fontpath = "../fonts" if not os.scan(/darwin\d+\.\d+$/).nil?
  end
  ENV['GDFONTPATH'] = @fontpath
end

Instance Method Details

#drawtext(size, x, y, text, colorIndex) ⇒ Object

Draw text on the image.



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# File 'lib/aastra_xml_api/phone_gd_image.rb', line 138

def drawtext(size, x, y, text, colorIndex)
  @img.string(size, x, y, text, getColor(colorIndex))
end

#drawttftext(size, angle, x, y, text, colorIndex, font) ⇒ Object

Draw text on the image using a specific true type font. See GD documentation for parameters.



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# File 'lib/aastra_xml_api/phone_gd_image.rb', line 133

def drawttftext(size, angle, x, y, text, colorIndex, font)
  @img.stringTTF(getColor(colorIndex), font, size, angle, x, y, text)
end

#ellipse(cx, cy, width, height, colorIndex, filled = false) ⇒ Object

Draw an ellipse on the image. Ellipse will be unfilled by default.



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# File 'lib/aastra_xml_api/phone_gd_image.rb', line 162

def ellipse(cx, cy, width, height, colorIndex, filled=false)
  if filled then
    @img.filledEllipse(cx, cy, width, height, 0, 360, getColor(colorIndex))
  else
    @img.ellipse(cx, cy, width, height, 0, 360, getColor(colorIndex))
  end
end

#getColor(index) ⇒ Object

Get the GD color element based on an index.

0

white

1

black



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# File 'lib/aastra_xml_api/phone_gd_image.rb', line 182

def getColor(index)
  return @white if index == 0
  return @black
end

#getGDImage ⇒ Object

Get the GD image created.



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# File 'lib/aastra_xml_api/phone_gd_image.rb', line 148

def getGDImage
  return @img
end

#line(x1, y1, x2, y2, colorIndex, dashed = false) ⇒ Object

Draw a line on the image. Line will be solid by default.



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# File 'lib/aastra_xml_api/phone_gd_image.rb', line 171

def line(x1, y1, x2, y2, colorIndex, dashed=false)
  if dashed then
    @img.dashedLine(x1, y2, x2, y2, getColor(colorIndex))
  else
    @img.line(x1, y2, x2, y2, getColor(colorIndex))
  end
end

#rectangle(x1, y1, x2, y2, colorIndex, filled = false) ⇒ Object

Draw a rectangle on the image. Rectangle will be unfilled by default.



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# File 'lib/aastra_xml_api/phone_gd_image.rb', line 153

def rectangle(x1, y1, x2, y2, colorIndex, filled=false)
  if filled then
    @img.filledRectangle(x1, y1, x2, y2, getColor(colorIndex))
  else
    @img.rectangle(x1, y1, x2, y2, getColor(colorIndex))
  end
end

#setFontPath(fontpath) ⇒ Object

Set font path for GD.



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# File 'lib/aastra_xml_api/phone_gd_image.rb', line 126

def setFontPath(fontpath)
  @fontpath = fontpath
  ENV['GDFONTPATH'] = @fontpath
end

#setGDImage(image) ⇒ Object

Set the image from an externally created GD image.



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# File 'lib/aastra_xml_api/phone_gd_image.rb', line 143

def setGDImage(image)
  @img = image
end