Class: Pdfcrowd::PdfToImageClient

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

Overview

Conversion from PDF to image.

Instance Method Summary collapse

Constructor Details

#initialize(user_name, api_key) ⇒ PdfToImageClient

Constructor for the Pdfcrowd API client.

  • user_name - Your username at Pdfcrowd.

  • api_key - Your API key.



6428
6429
6430
6431
6432
6433
6434
6435
6436
6437
 
# File 'lib/pdfcrowd.rb', line 6428

def initialize(user_name, api_key)
    @helper = ConnectionHelper.new(user_name, api_key)
    @fields = {
        'input_format'=>'pdf',
        'output_format'=>'png'
    }
    @file_id = 1
    @files = {}
    @raw_data = {}
end

Instance Method Details

#convertFile(file) ⇒ Object

Convert a local file.

  • file - The path to a local file to convert. The file must exist and not be empty.

  • Returns - Byte array containing the conversion output.



6489
6490
6491
6492
6493
6494
6495
6496
 
# File 'lib/pdfcrowd.rb', line 6489

def convertFile(file)
    if (!(File.file?(file) && !File.zero?(file)))
        raise Error.new(Pdfcrowd.create_invalid_value_message(file, "convertFile", "pdf-to-image", "The file must exist and not be empty.", "convert_file"), 470);
    end
    
    @files['file'] = file
    @helper.post(@fields, @files, @raw_data)
end

#convertFileToFile(file, file_path) ⇒ Object

Convert a local file and write the result to a local file.

  • file - The path to a local file to convert. The file must exist and not be empty.

  • file_path - The output file path. The string must not be empty.



6515
6516
6517
6518
6519
6520
6521
6522
6523
6524
6525
6526
6527
6528
6529
 
# File 'lib/pdfcrowd.rb', line 6515

def convertFileToFile(file, file_path)
    if (!(!file_path.nil? && !file_path.empty?))
        raise Error.new(Pdfcrowd.create_invalid_value_message(file_path, "convertFileToFile::file_path", "pdf-to-image", "The string must not be empty.", "convert_file_to_file"), 470);
    end
    
    output_file = open(file_path, "wb")
    begin
        convertFileToStream(file, output_file)
        output_file.close()
    rescue Error => why
        output_file.close()
        FileUtils.rm(file_path)
        raise
    end
end

#convertFileToStream(file, out_stream) ⇒ Object

Convert a local file and write the result to an output stream.

  • file - The path to a local file to convert. The file must exist and not be empty.

  • out_stream - The output stream that will contain the conversion output.



6502
6503
6504
6505
6506
6507
6508
6509
 
# File 'lib/pdfcrowd.rb', line 6502

def convertFileToStream(file, out_stream)
    if (!(File.file?(file) && !File.zero?(file)))
        raise Error.new(Pdfcrowd.create_invalid_value_message(file, "convertFileToStream::file", "pdf-to-image", "The file must exist and not be empty.", "convert_file_to_stream"), 470);
    end
    
    @files['file'] = file
    @helper.post(@fields, @files, @raw_data, out_stream)
end

#convertRawData(data) ⇒ Object

Convert raw data.

  • data - The raw content to be converted.

  • Returns - Byte array with the output.



6535
6536
6537
6538
 
# File 'lib/pdfcrowd.rb', line 6535

def convertRawData(data)
    @raw_data['file'] = data
    @helper.post(@fields, @files, @raw_data)
end

#convertRawDataToFile(data, file_path) ⇒ Object

Convert raw data to a file.

  • data - The raw content to be converted.

  • file_path - The output file path. The string must not be empty.



6553
6554
6555
6556
6557
6558
6559
6560
6561
6562
6563
6564
6565
6566
6567
 
# File 'lib/pdfcrowd.rb', line 6553

def convertRawDataToFile(data, file_path)
    if (!(!file_path.nil? && !file_path.empty?))
        raise Error.new(Pdfcrowd.create_invalid_value_message(file_path, "convertRawDataToFile::file_path", "pdf-to-image", "The string must not be empty.", "convert_raw_data_to_file"), 470);
    end
    
    output_file = open(file_path, "wb")
    begin
        convertRawDataToStream(data, output_file)
        output_file.close()
    rescue Error => why
        output_file.close()
        FileUtils.rm(file_path)
        raise
    end
end

#convertRawDataToStream(data, out_stream) ⇒ Object

Convert raw data and write the result to an output stream.

  • data - The raw content to be converted.

  • out_stream - The output stream that will contain the conversion output.



6544
6545
6546
6547
 
# File 'lib/pdfcrowd.rb', line 6544

def convertRawDataToStream(data, out_stream)
    @raw_data['file'] = data
    @helper.post(@fields, @files, @raw_data, out_stream)
end

#convertStream(in_stream) ⇒ Object

Convert the contents of an input stream.

  • in_stream - The input stream with source data.

  • Returns - Byte array containing the conversion output.



6573
6574
6575
6576
 
# File 'lib/pdfcrowd.rb', line 6573

def convertStream(in_stream)
    @raw_data['stream'] = in_stream.read
    @helper.post(@fields, @files, @raw_data)
end

#convertStreamToFile(in_stream, file_path) ⇒ Object

Convert the contents of an input stream and write the result to a local file.

  • in_stream - The input stream with source data.

  • file_path - The output file path. The string must not be empty.



6591
6592
6593
6594
6595
6596
6597
6598
6599
6600
6601
6602
6603
6604
6605
 
# File 'lib/pdfcrowd.rb', line 6591

def convertStreamToFile(in_stream, file_path)
    if (!(!file_path.nil? && !file_path.empty?))
        raise Error.new(Pdfcrowd.create_invalid_value_message(file_path, "convertStreamToFile::file_path", "pdf-to-image", "The string must not be empty.", "convert_stream_to_file"), 470);
    end
    
    output_file = open(file_path, "wb")
    begin
        convertStreamToStream(in_stream, output_file)
        output_file.close()
    rescue Error => why
        output_file.close()
        FileUtils.rm(file_path)
        raise
    end
end

#convertStreamToStream(in_stream, out_stream) ⇒ Object

Convert the contents of an input stream and write the result to an output stream.

  • in_stream - The input stream with source data.

  • out_stream - The output stream that will contain the conversion output.



6582
6583
6584
6585
 
# File 'lib/pdfcrowd.rb', line 6582

def convertStreamToStream(in_stream, out_stream)
    @raw_data['stream'] = in_stream.read
    @helper.post(@fields, @files, @raw_data, out_stream)
end

#convertUrl(url) ⇒ Object

Convert an image.

  • url - The address of the image to convert. The supported protocols are http:// and https://.

  • Returns - Byte array containing the conversion output.



6443
6444
6445
6446
6447
6448
6449
6450
 
# File 'lib/pdfcrowd.rb', line 6443

def convertUrl(url)
    unless /(?i)^https?:\/\/.*$/.match(url)
        raise Error.new(Pdfcrowd.create_invalid_value_message(url, "convertUrl", "pdf-to-image", "The supported protocols are http:// and https://.", "convert_url"), 470);
    end
    
    @fields['url'] = url
    @helper.post(@fields, @files, @raw_data)
end

#convertUrlToFile(url, file_path) ⇒ Object

Convert an image and write the result to a local file.

  • url - The address of the image to convert. The supported protocols are http:// and https://.

  • file_path - The output file path. The string must not be empty.



6469
6470
6471
6472
6473
6474
6475
6476
6477
6478
6479
6480
6481
6482
6483
 
# File 'lib/pdfcrowd.rb', line 6469

def convertUrlToFile(url, file_path)
    if (!(!file_path.nil? && !file_path.empty?))
        raise Error.new(Pdfcrowd.create_invalid_value_message(file_path, "convertUrlToFile::file_path", "pdf-to-image", "The string must not be empty.", "convert_url_to_file"), 470);
    end
    
    output_file = open(file_path, "wb")
    begin
        convertUrlToStream(url, output_file)
        output_file.close()
    rescue Error => why
        output_file.close()
        FileUtils.rm(file_path)
        raise
    end
end

#convertUrlToStream(url, out_stream) ⇒ Object

Convert an image and write the result to an output stream.

  • url - The address of the image to convert. The supported protocols are http:// and https://.

  • out_stream - The output stream that will contain the conversion output.



6456
6457
6458
6459
6460
6461
6462
6463
 
# File 'lib/pdfcrowd.rb', line 6456

def convertUrlToStream(url, out_stream)
    unless /(?i)^https?:\/\/.*$/.match(url)
        raise Error.new(Pdfcrowd.create_invalid_value_message(url, "convertUrlToStream::url", "pdf-to-image", "The supported protocols are http:// and https://.", "convert_url_to_stream"), 470);
    end
    
    @fields['url'] = url
    @helper.post(@fields, @files, @raw_data, out_stream)
end

#getConsumedCreditCount ⇒ Object

Get the number of credits consumed by the last conversion.

  • Returns - The number of credits.



6777
6778
6779
 
# File 'lib/pdfcrowd.rb', line 6777

def getConsumedCreditCount()
    return @helper.getConsumedCreditCount()
end

#getDebugLogUrl ⇒ Object

Get the URL of the debug log for the last conversion.

  • Returns - The link to the debug log.



6762
6763
6764
 
# File 'lib/pdfcrowd.rb', line 6762

def getDebugLogUrl()
    return @helper.getDebugLogUrl()
end

#getJobId ⇒ Object

Get the job id.

  • Returns - The unique job identifier.



6783
6784
6785
 
# File 'lib/pdfcrowd.rb', line 6783

def getJobId()
    return @helper.getJobId()
end

#getOutputSize ⇒ Object

Get the size of the output in bytes.

  • Returns - The count of bytes.



6795
6796
6797
 
# File 'lib/pdfcrowd.rb', line 6795

def getOutputSize()
    return @helper.getOutputSize()
end

#getPageCount ⇒ Object

Get the number of pages in the output document.

  • Returns - The page count.



6789
6790
6791
 
# File 'lib/pdfcrowd.rb', line 6789

def getPageCount()
    return @helper.getPageCount()
end

#getRemainingCreditCount ⇒ Object

Get the number of conversion credits available in your account. This method can only be called after a call to one of the convertXtoY methods. The returned value can differ from the actual count if you run parallel conversions. The special value 999999 is returned if the information is not available.

  • Returns - The number of credits.



6771
6772
6773
 
# File 'lib/pdfcrowd.rb', line 6771

def getRemainingCreditCount()
    return @helper.getRemainingCreditCount()
end

#getVersion ⇒ Object

Get the version details.

  • Returns - API version, converter version, and client version.



6801
6802
6803
 
# File 'lib/pdfcrowd.rb', line 6801

def getVersion()
    return "client " + CLIENT_VERSION + ", API v2, converter " + @helper.getConverterVersion()
end

#isZippedOutput ⇒ Object

A helper method to determine if the output file from a conversion process is a zip archive. The conversion output can be either a single image file or a zip file containing one or more image files. This method should be called after the conversion has been successfully completed.

  • Returns - True if the conversion output is a zip archive, otherwise False.



6653
6654
6655
 
# File 'lib/pdfcrowd.rb', line 6653

def isZippedOutput()
    @fields.fetch('force_zip', false) == true || getPageCount() > 1
end

#setCropArea(x, y, width, height) ⇒ Object

Set the crop area. It allows to extract just a part of a PDF page.

  • x - Set the top left X coordinate of the crop area in points. Must be a positive integer number or 0.

  • y - Set the top left Y coordinate of the crop area in points. Must be a positive integer number or 0.

  • width - Set the width of the crop area in points. Must be a positive integer number or 0.

  • height - Set the height of the crop area in points. Must be a positive integer number or 0.

  • Returns - The converter object.



6734
6735
6736
6737
6738
6739
6740
 
# File 'lib/pdfcrowd.rb', line 6734

def setCropArea(x, y, width, height)
    setCropAreaX(x)
    setCropAreaY(y)
    setCropAreaWidth(width)
    setCropAreaHeight(height)
    self
end

#setCropAreaHeight(height) ⇒ Object

Set the height of the crop area in points.

  • height - Must be a positive integer number or 0.

  • Returns - The converter object.



6718
6719
6720
6721
6722
6723
6724
6725
 
# File 'lib/pdfcrowd.rb', line 6718

def setCropAreaHeight(height)
    if (!(Integer(height) >= 0))
        raise Error.new(Pdfcrowd.create_invalid_value_message(height, "setCropAreaHeight", "pdf-to-image", "Must be a positive integer number or 0.", "set_crop_area_height"), 470);
    end
    
    @fields['crop_area_height'] = height
    self
end

#setCropAreaWidth(width) ⇒ Object

Set the width of the crop area in points.

  • width - Must be a positive integer number or 0.

  • Returns - The converter object.



6705
6706
6707
6708
6709
6710
6711
6712
 
# File 'lib/pdfcrowd.rb', line 6705

def setCropAreaWidth(width)
    if (!(Integer(width) >= 0))
        raise Error.new(Pdfcrowd.create_invalid_value_message(width, "setCropAreaWidth", "pdf-to-image", "Must be a positive integer number or 0.", "set_crop_area_width"), 470);
    end
    
    @fields['crop_area_width'] = width
    self
end

#setCropAreaX(x) ⇒ Object

Set the top left X coordinate of the crop area in points.

  • x - Must be a positive integer number or 0.

  • Returns - The converter object.



6679
6680
6681
6682
6683
6684
6685
6686
 
# File 'lib/pdfcrowd.rb', line 6679

def setCropAreaX(x)
    if (!(Integer(x) >= 0))
        raise Error.new(Pdfcrowd.create_invalid_value_message(x, "setCropAreaX", "pdf-to-image", "Must be a positive integer number or 0.", "set_crop_area_x"), 470);
    end
    
    @fields['crop_area_x'] = x
    self
end

#setCropAreaY(y) ⇒ Object

Set the top left Y coordinate of the crop area in points.

  • y - Must be a positive integer number or 0.

  • Returns - The converter object.



6692
6693
6694
6695
6696
6697
6698
6699
 
# File 'lib/pdfcrowd.rb', line 6692

def setCropAreaY(y)
    if (!(Integer(y) >= 0))
        raise Error.new(Pdfcrowd.create_invalid_value_message(y, "setCropAreaY", "pdf-to-image", "Must be a positive integer number or 0.", "set_crop_area_y"), 470);
    end
    
    @fields['crop_area_y'] = y
    self
end

#setDebugLog(value) ⇒ Object

Turn on the debug logging. Details about the conversion are stored in the debug log. The URL of the log can be obtained from the getDebugLogUrl method or available in conversion statistics.

  • value - Set to true to enable the debug logging.

  • Returns - The converter object.



6755
6756
6757
6758
 
# File 'lib/pdfcrowd.rb', line 6755

def setDebugLog(value)
    @fields['debug_log'] = value
    self
end

#setDpi(dpi) ⇒ Object

Set the output graphics DPI.

  • dpi - The DPI value.

  • Returns - The converter object.



6646
6647
6648
6649
 
# File 'lib/pdfcrowd.rb', line 6646

def setDpi(dpi)
    @fields['dpi'] = dpi
    self
end

#setForceZip(value) ⇒ Object

Enforces the zip output format.

  • value - Set to true to get the output as a zip archive.

  • Returns - The converter object.



6661
6662
6663
6664
 
# File 'lib/pdfcrowd.rb', line 6661

def setForceZip(value)
    @fields['force_zip'] = value
    self
end

#setHttpProxy(proxy) ⇒ Object

A proxy server used by Pdfcrowd conversion process for accessing the source URLs with HTTP scheme. It can help to circumvent regional restrictions or provide limited access to your intranet.

  • proxy - The value must have format DOMAIN_OR_IP_ADDRESS:PORT.

  • Returns - The converter object.



6818
6819
6820
6821
6822
6823
6824
6825
 
# File 'lib/pdfcrowd.rb', line 6818

def setHttpProxy(proxy)
    unless /(?i)^([a-z0-9]+(-[a-z0-9]+)*\.)+[a-z0-9]{1,}:\d+$/.match(proxy)
        raise Error.new(Pdfcrowd.create_invalid_value_message(proxy, "setHttpProxy", "pdf-to-image", "The value must have format DOMAIN_OR_IP_ADDRESS:PORT.", "set_http_proxy"), 470);
    end
    
    @fields['http_proxy'] = proxy
    self
end

#setHttpsProxy(proxy) ⇒ Object

A proxy server used by Pdfcrowd conversion process for accessing the source URLs with HTTPS scheme. It can help to circumvent regional restrictions or provide limited access to your intranet.

  • proxy - The value must have format DOMAIN_OR_IP_ADDRESS:PORT.

  • Returns - The converter object.



6831
6832
6833
6834
6835
6836
6837
6838
 
# File 'lib/pdfcrowd.rb', line 6831

def setHttpsProxy(proxy)
    unless /(?i)^([a-z0-9]+(-[a-z0-9]+)*\.)+[a-z0-9]{1,}:\d+$/.match(proxy)
        raise Error.new(Pdfcrowd.create_invalid_value_message(proxy, "setHttpsProxy", "pdf-to-image", "The value must have format DOMAIN_OR_IP_ADDRESS:PORT.", "set_https_proxy"), 470);
    end
    
    @fields['https_proxy'] = proxy
    self
end

#setOutputFormat(output_format) ⇒ Object

The format of the output file.

  • output_format - Allowed values are png, jpg, gif, tiff, bmp, ico, ppm, pgm, pbm, pnm, psb, pct, ras, tga, sgi, sun, webp.

  • Returns - The converter object.



6611
6612
6613
6614
6615
6616
6617
6618
 
# File 'lib/pdfcrowd.rb', line 6611

def setOutputFormat(output_format)
    unless /(?i)^(png|jpg|gif|tiff|bmp|ico|ppm|pgm|pbm|pnm|psb|pct|ras|tga|sgi|sun|webp)$/.match(output_format)
        raise Error.new(Pdfcrowd.create_invalid_value_message(output_format, "setOutputFormat", "pdf-to-image", "Allowed values are png, jpg, gif, tiff, bmp, ico, ppm, pgm, pbm, pnm, psb, pct, ras, tga, sgi, sun, webp.", "set_output_format"), 470);
    end
    
    @fields['output_format'] = output_format
    self
end

#setPdfPassword(password) ⇒ Object

Password to open the encrypted PDF file.

  • password - The input PDF password.

  • Returns - The converter object.



6624
6625
6626
6627
 
# File 'lib/pdfcrowd.rb', line 6624

def setPdfPassword(password)
    @fields['pdf_password'] = password
    self
end

#setPrintPageRange(pages) ⇒ Object

Set the page range to print.

  • pages - A comma separated list of page numbers or ranges.

  • Returns - The converter object.



6633
6634
6635
6636
6637
6638
6639
6640
 
# File 'lib/pdfcrowd.rb', line 6633

def setPrintPageRange(pages)
    unless /^(?:\s*(?:\d+|(?:\d*\s*\-\s*\d+)|(?:\d+\s*\-\s*\d*))\s*,\s*)*\s*(?:\d+|(?:\d*\s*\-\s*\d+)|(?:\d+\s*\-\s*\d*))\s*$/.match(pages)
        raise Error.new(Pdfcrowd.create_invalid_value_message(pages, "setPrintPageRange", "pdf-to-image", "A comma separated list of page numbers or ranges.", "set_print_page_range"), 470);
    end
    
    @fields['print_page_range'] = pages
    self
end

#setProxy(host, port, user_name, password) ⇒ Object

Specifies an HTTP proxy that the API client library will use to connect to the internet.

  • host - The proxy hostname.

  • port - The proxy port.

  • user_name - The username.

  • password - The password.

  • Returns - The converter object.



6866
6867
6868
6869
 
# File 'lib/pdfcrowd.rb', line 6866

def setProxy(host, port, user_name, password)
    @helper.setProxy(host, port, user_name, password)
    self
end

#setRetryCount(count) ⇒ Object

Specifies the number of automatic retries when the 502 or 503 HTTP status code is received. The status code indicates a temporary network issue. This feature can be disabled by setting to 0.

  • count - Number of retries.

  • Returns - The converter object.



6875
6876
6877
6878
 
# File 'lib/pdfcrowd.rb', line 6875

def setRetryCount(count)
    @helper.setRetryCount(count)
    self
end

#setTag(tag) ⇒ Object

Tag the conversion with a custom value. The tag is used in conversion statistics. A value longer than 32 characters is cut off.

  • tag - A string with the custom tag.

  • Returns - The converter object.



6809
6810
6811
6812
 
# File 'lib/pdfcrowd.rb', line 6809

def setTag(tag)
    @fields['tag'] = tag
    self
end

#setUseCropbox(value) ⇒ Object

Use the crop box rather than media box.

  • value - Set to true to use crop box.

  • Returns - The converter object.



6670
6671
6672
6673
 
# File 'lib/pdfcrowd.rb', line 6670

def setUseCropbox(value)
    @fields['use_cropbox'] = value
    self
end

#setUseGrayscale(value) ⇒ Object

Generate a grayscale image.

  • value - Set to true to generate a grayscale image.

  • Returns - The converter object.



6746
6747
6748
6749
 
# File 'lib/pdfcrowd.rb', line 6746

def setUseGrayscale(value)
    @fields['use_grayscale'] = value
    self
end

#setUseHttp(value) ⇒ Object

Specifies if the client communicates over HTTP or HTTPS with Pdfcrowd API. Warning: Using HTTP is insecure as data sent over HTTP is not encrypted. Enable this option only if you know what you are doing.

  • value - Set to true to use HTTP.

  • Returns - The converter object.



6845
6846
6847
6848
 
# File 'lib/pdfcrowd.rb', line 6845

def setUseHttp(value)
    @helper.setUseHttp(value)
    self
end

#setUserAgent(agent) ⇒ Object

Set a custom user agent HTTP header. It can be useful if you are behind a proxy or a firewall.

  • agent - The user agent string.

  • Returns - The converter object.



6854
6855
6856
6857
 
# File 'lib/pdfcrowd.rb', line 6854

def setUserAgent(agent)
    @helper.setUserAgent(agent)
    self
end