Exexif (Кропоткин Framework v0.1.0) View Source
Read TIFF and EXIF information from a JPEG-format image.
iex> {:ok, info} = Exexif.exif_from_jpeg_buffer(buffer)
iex> info.x_resolution
72
iex> info.model
"DSC-RX100M2"
...> Exexif.Data.Gps.inspect info
"41°23´16˝N,2°11´50˝E"Link to this section Summary
Functions
Extracts EXIF from binary buffer
Extracts EXIF from binary buffer, raises on any error
Extracts EXIF from jpeg file
Extracts EXIF from jpeg file, raises on any error
Link to this section Types
Specs
context() :: {value(), non_neg_integer(), (any() -> non_neg_integer())}
Specs
t() :: %{
brightness_value: float(),
color_space: binary(),
component_configuration: binary(),
compressed_bits_per_pixel: non_neg_integer(),
contrast: binary(),
custom_rendered: binary(),
datetime_digitized: binary(),
datetime_original: binary(),
digital_zoom_ratio: non_neg_integer(),
exif_image_height: non_neg_integer(),
exif_image_width: non_neg_integer(),
exif_version: binary(),
exposure_mode: binary(),
exposure_bias_value: non_neg_integer(),
exposure_program: binary(),
exposure_time: binary(),
f_number: non_neg_integer(),
file_source: binary(),
flash: binary(),
flash_pix_version: binary(),
focal_length_in_35mm_film: non_neg_integer(),
focal_length: float(),
iso_speed_ratings: non_neg_integer(),
lens_info: [float()],
light_source: non_neg_integer(),
max_aperture_value: float(),
metering_mode: binary(),
recommended_exposure: non_neg_integer(),
saturation: binary(),
scene_capture_type: binary(),
scene_type: binary(),
sensitivity_type: binary(),
sharpness: binary(),
white_balance: binary()
}
Specs
value() :: binary()
Link to this section Functions
Specs
exif_from_jpeg_buffer(binary()) :: {:error, :no_exif_data_in_jpeg | :not_a_jpeg_file} | {:ok, %{exif: t()}}
Extracts EXIF from binary buffer
Specs
Extracts EXIF from binary buffer, raises on any error
Specs
exif_from_jpeg_file(binary()) :: {:error, :no_exif_data_in_jpeg | :not_a_jpeg_file | :file.posix()} | {:ok, %{exif: t()}}
Extracts EXIF from jpeg file
Specs
Extracts EXIF from jpeg file, raises on any error