Method: Vips::Image#jpegsave_buffer

Defined in:

lib/vips/methods.rb

#jpegsave_buffer(**opts) ⇒ VipsBlob

Save as jpeg.

Parameters:

• opts (Hash) —

  Set of options

Options Hash (**opts):

• :Q (Integer) —

  Q factor

• :optimize_coding (Boolean) —

  Compute optimal Huffman coding tables

• :interlace (Boolean) —

  Generate an interlaced (progressive) jpeg

• :trellis_quant (Boolean) —

  Apply trellis quantisation to each 8x8 block

• :overshoot_deringing (Boolean) —

  Apply overshooting to samples with extreme values

• :optimize_scans (Boolean) —

  Split spectrum of DCT coefficients into separate scans

• :quant_table (Integer) —

  Use predefined quantization table with given index

• :subsample_mode (Vips::ForeignSubsample) —

  Select chroma subsample operation mode

• :restart_interval (Integer) —

  Add restart markers every specified number of mcu

• :keep (Vips::ForeignKeep) —

  Which metadata to retain

• :background (Array<Double>) —

  Background value

• :page_height (Integer) —

  Set page height for multipage save

• :profile (String) —

  Filename of ICC profile to embed

Returns:

• (VipsBlob) —

  Buffer to save to

# File 'lib/vips/methods.rb', line 2126