lib/vips/image.rb
# Write this image to a memory buffer. Save options may be encoded in 
# the format_string or given as a hash. For example:
#
# ```
# buffer = image.write_to_buffer ".jpg[Q=90]"
# ```
#
# or equivalently:
#
# ```
# image.write_to_buffer ".jpg", Q: 90
# ```
#
# The full set of save options depend on the selected saver. Try 
# something like:
#
# ```
# $ vips jpegsave
# ```
#
# to see all the available options for JPEG save. 
#
# @param format_string [String] save format plus options
# @macro vips.saveopts
# @return [String] the image saved in the specified format
Write this image to a memory buffer. Save options may be encoded in
the format_string or given as a hash. For example.



or equivalently.



The full set of save options depend on the selected saver. Try
something like.



to see all the available options for JPEG save.
Write this image to a memory buffer . Save options may be encoded in the format_string or given as a hash . For example . or equivalently . The full set of save options depend on the selected saver . Try something like . to see all the available options for JPEG save .
def write_to_buffer format_string, opts = {}
            filename = 
                Vips::p2str(Vips::vips_filename_get_filename format_string)
            option_string = 
                Vips::p2str(Vips::vips_filename_get_options format_string)
            saver = Vips::vips_foreign_find_save_buffer filename
            if saver == nil
                raise Vips::Error, "No known saver for '#{filename}'."
            end
            buffer = Vips::Operation.call saver, [self], opts, option_string
            raise Vips::Error if buffer == nil
            write_gc
            return buffer
        end
def write_to_buffer format_string , opts = { } filename = Vips :: p2str ( Vips :: vips_filename_get_filename format_string ) option_string = Vips :: p2str ( Vips :: vips_filename_get_options format_string ) saver = Vips :: vips_foreign_find_save_buffer filename if saver == nil raise Vips :: Error , "No known saver for '#{filename}'." end buffer = Vips :: Operation . call saver , [ self ] , opts , option_string raise Vips :: Error if buffer == nil write_gc return buffer end
Write this image to a memory buffer.
Write this image to a memory buffer .
the image saved in the specified format
the image saved in the specified format
String
format_string
save format plus options
save format plus options
opts
<not_specific>
macro
None