Module: Asposeimagingjava::ReadAndModifyJpegEXIFTags

Defined in:
lib/asposeimagingjava/images/readandmodifyjpegexiftags.rb

Instance Method Summary collapse

Instance Method Details

#initialize ⇒ Object 



3
4
5
6
7
8
9
10
11
12
 
# File 'lib/asposeimagingjava/images/readandmodifyjpegexiftags.rb', line 3

def initialize()
    # Reading EXIF Data Using ExifData Class

    read_jpeg_exif_tags_using_exifdata_class()

    # Writing & Modifying EXIF Data Using ExifData Class

    modify_jpeg_exif_tags_using_exifdata_class()

    # Reading EXIF Data Using JpegExifData Class

    read_jpeg_exif_tags_using_jpegexifdata_class()
end

#modify_jpeg_exif_tags_using_exifdata_class ⇒ Object 



49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
 
# File 'lib/asposeimagingjava/images/readandmodifyjpegexiftags.rb', line 49

def modify_jpeg_exif_tags_using_exifdata_class()
    data_dir = File.dirname(File.dirname(File.dirname(File.dirname(__FILE__)))) + '/data/'

    # Load an existing image

    image = Rjb::import('com.aspose.imaging.Image').load(data_dir + "test.jpg")

    # Initialize an object of ExifData and fill it will image's EXIF information

    exif = image.getExifData()

    # Set Lens Make information

    exif.set_LensMake("Sony")

    # Set WhiteBalance information

    exif.set_WhiteBalance(Rjb::import('com.aspose.imaging.exif.enums.ExifWhiteBalance').Auto)

    # Set that Flash was fires

    exif.set_Flash(Rjb::import('com.aspose.imaging.exif.enums.ExifFlash').Fired)

    # Save the changes to the original image

    image.save(data_dir + "ModifyExifTags.jpg")

    # Display result

    puts "Modified JPEG exif tags using ExifData class."
end

#read_jpeg_exif_tags_using_exifdata_class ⇒ Object 



14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
 
# File 'lib/asposeimagingjava/images/readandmodifyjpegexiftags.rb', line 14

def read_jpeg_exif_tags_using_exifdata_class()
    data_dir = File.dirname(File.dirname(File.dirname(File.dirname(__FILE__)))) + '/data/'

    # Load an existing image

    image = Rjb::import('com.aspose.imaging.Image').load(data_dir + "test.jpg")

    # Initialize an object of ExifData and fill it will image's EXIF information

    exif = image.getExifData()

    # Check if image has any EXIF entries defined

    if exif != nil
        # Display a few EXIF entries

        puts "Exif WhiteBalance: " + exif.get_WhiteBalance().to_s
        puts "Exif PixelXDimension: " + exif.get_PixelXDimension().to_s
        puts "Exif PixelYDimension: " + exif.get_PixelYDimension().to_s
        puts "Exif ISOSpeed: " + exif.get_ISOSpeed().to_s
        puts "Exif BodySerialNumber: " + exif.get_BodySerialNumber().to_s
        puts "Exif CameraOwnerName: " + exif.get_CameraOwnerName().to_s
        puts "Exif ColorSpace: " + exif.get_ColorSpace().to_s
        puts "Exif Contrast: " + exif.get_Contrast().to_s
        puts "Exif CustomRendered: " + exif.get_CustomRendered().to_s
        puts "Exif DateTimeDigitized: " + exif.get_DateTimeDigitized().to_s
        puts "Exif DateTimeOriginal: " + exif.get_DateTimeOriginal().to_s
        puts "Exif ExposureMode: " + exif.get_ExposureMode().to_s
        puts "Exif ExposureProgram: " + exif.get_ExposureProgram().to_s
        puts "Exif Flash: " + exif.get_Flash().to_s
        puts "Exif FocalLengthIn35MmFilm: " + exif.get_FocalLengthIn35MmFilm().to_s
        puts "Exif FocalPlaneResolutionUnit: " + exif.get_FocalPlaneResolutionUnit().to_s
        puts "Exif GainControl: " + exif.get_GainControl().to_s
        puts "Exif ImageUniqueID: " + exif.get_ImageUniqueID().to_s
        puts "Exif Sharpness: " + exif.get_Sharpness().to_s
        puts "Exif MeteringMode: " + exif.get_MeteringMode().to_s
    end
end

#read_jpeg_exif_tags_using_jpegexifdata_class ⇒ Object 



74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
 
# File 'lib/asposeimagingjava/images/readandmodifyjpegexiftags.rb', line 74

def read_jpeg_exif_tags_using_jpegexifdata_class()
    data_dir = File.dirname(File.dirname(File.dirname(File.dirname(__FILE__)))) + '/data/'

    # Load an existing image

    image = Rjb::import('com.aspose.imaging.Image').load(data_dir + "test.jpg")

    # Initialize an object of ExifData and fill it will image's EXIF information

    exif = image.getExifData()

    # Display a few EXIF entries

    puts "EXIF CameraOwnerName: " + exif.get_CameraOwnerName().to_s
    puts "EXIF ApertureValue: " + exif.get_ApertureValue().to_s
    puts "EXIF Orientation: " + exif.get_Orientation().to_s
    puts "EXIF FocalLength: " + exif.get_FocalLength().to_s
    puts "EXIF Compression: " + exif.get_Compression().to_s
end