Class: ImageScience

Inherits:
Object
  • Object
show all
Defined in:
lib/misc/image_science_extensions.rb

Constant Summary collapse

FIF_UNKNOWN =

from freeimage.h

-1;
FIF_BMP = 
0
FIF_ICO = 
1
FIF_JPEG = 
2
FIF_JNG = 
3
FIF_KOALA = 
4
FIF_LBM = 
5
FIF_IFF = 
FIF_LBM
FIF_MNG = 
6
FIF_PBM = 
7
FIF_PBMRAW = 
8
FIF_PCD = 
9
FIF_PCX = 
10
FIF_PGM = 
11
FIF_PGMRAW = 
12
FIF_PNG = 
13
FIF_PPM = 
14
FIF_PPMRAW = 
15
FIF_RAS = 
16
FIF_TARGA = 
17
FIF_TIFF = 
18
FIF_WBMP = 
19
FIF_PSD = 
20
FIF_CUT = 
21
FIF_XBM = 
22
FIF_XPM = 
23
FIF_DDS = 
24
FIF_GIF = 
25
FIF_HDR = 
26
FIF_FAXG3 = 
27
FIF_SGI = 
28
FILE_TYPES = 
{
  # from the documentation
	FIF_BMP		  => 'BMP',
	FIF_ICO		  => 'ICO',
	FIF_JPEG	  => 'JPG',
	FIF_JNG		  => 'JNG',
	FIF_KOALA	  => 'KOA',
	FIF_LBM	  	=> 'LBM',
	FIF_MNG		  => 'MNG',
	FIF_PBM		  => 'PBM',
	FIF_PBMRAW	=> 'PBM',
	FIF_PCD		  => 'PCD',
	FIF_PCX		  => 'PCX',
	FIF_PGM		  => 'PGM',
	FIF_PGMRAW	=> 'PGM',
	FIF_PNG		  => 'PNG',
	FIF_PPM		  => 'PPM',
	FIF_PPMRAW	=> 'PPM',
	FIF_RAS		  => 'RAS',
	FIF_TARGA	  => 'TGA',
	FIF_TIFF	  => 'TIFF',
	FIF_WBMP	  => 'WBMP',
	FIF_PSD		  => 'PSD',
	FIF_CUT		  => 'CUT',
	FIF_XBM		  => 'XBM',
	FIF_XPM		  => 'XPM',
	FIF_DDS		  => 'DDS',
	FIF_GIF     => 'GIF',
  FIF_HDR     => 'HDR',
  FIF_FAXG3   => 'G3',
  FIF_SGI     => 'SGI'
}
MIME_TYPES = 
{
  # we only list the standardised MIME types here, leaving out any freeimage invented (ie. all the image/freeimage-* values)
 	FIF_BMP		  => 'image/bmp',
 	FIF_ICO		  => 'image/x-icon',
 	FIF_JPEG	  => 'image/jpeg',
 	FIF_MNG		  => 'video/x-mng',
 	FIF_PCD		  => 'image/x-photo-cd',
 	FIF_PCX		  => 'image/x-pcx',
 	FIF_PNG		  => 'image/png',
 	FIF_RAS		  => 'image/x-cmu-raster',
 	FIF_TIFF	  => 'image/tiff',
 	FIF_WBMP	  => 'image/vnd.wap.wbmp',
 	FIF_XBM		  => 'image/x-xbitmap',
 	FIF_XPM		  => 'image/xpm',
 	FIF_GIF     => 'image/gif',
   FIF_FAXG3   => 'image/fax-g3',
   FIF_SGI     => 'image/sgi'
}

Instance Method Summary collapse

Instance Method Details

#file_type ⇒ Object

determines the file format of this image file (represented as an uppercase string). nil if the file type is not known, or if no image has been loaded.



93
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95
 
# File 'lib/misc/image_science_extensions.rb', line 93

def file_type
  FILE_TYPES[@file_type]
end

#mime_type ⇒ Object

determines the MIME type of this image file. nil if the file type is not known, or if no image has been loaded.



99
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101
 
# File 'lib/misc/image_science_extensions.rb', line 99

def mime_type
  MIME_TYPES[@file_type]
end