Sha256: 002ec49207e34b63049b49a795188a11a047756b9f70dee59c4c625e55a78361
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Size: 1.32 KB
Versions: 12
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Stored size: 1.32 KB
Contents
module Win32
module Screenshot
# Holds the bitmap data and writes it to the disk
class Image
# [String] raw bitmap blob
attr_reader :bitmap
# [String] bitmap width
attr_reader :width
# [String] bitmap height
attr_reader :height
# Supported output formats
FORMATS = %w{bmp gif jpg png}
# @private
def initialize(blob, width, height)
@bitmap = blob
@width = width
@height = height
end
# Writes image to the disk.
# @param [String] file_path writes image to the specified path.
# @raise [RuntimeError] when _file_path_ already exists.
# @raise [RuntimeError] when _file_path_ is not with the supported output {FORMATS} extension.
def write(file_path)
raise "File already exists: #{file_path}!" if File.exists? file_path
ext = File.extname(file_path)[1..-1]
raise "File '#{file_path}' has to have one of the following extensions: #{FORMATS.join(", ")}" unless ext && FORMATS.include?(ext.downcase)
if ext.downcase == "bmp"
File.open(file_path, "wb") {|io| io.write @bitmap}
else
image = ::MiniMagick::Image.read @bitmap
image.format ext
image.write file_path
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems