Module: FreeImage::AbstractSource::Decoder

Defined in:

lib/free-image/sources/abstract_source.rb

Overview

The Decoder module defines various constants that control how various image formats are loaded.

Constant Summary

FIF_LOADNOPIXELS =

Load the image header only (not supported by all plugins)

0x8000

GIF_DEFAULT =

0x0

GIF_LOAD256 =

Load the image as a 256 color image with ununsed palette entries, if it’s 16 or 2 color

0x1

GIF_PLAYBACK =

‘Play’ the GIF to generate each frame (as 32bpp) instead of returning raw frame data when loading

0x2

ICO_DEFAULT =

0x0

JPEG_DEFAULT =

Loading (see JPEG_FAST); saving (see JPEG_QUALITYGOOD|JPEG_SUBSAMPLING_420)

0x0

JPEG_FAST =

Load the file as fast as possible, sacrificing some quality

0x1

JPEG_ACCURATE =

Load the file with the best quality, sacrificing some speed

0x2

JPEG_CMYK =

Load separated CMYK “as is” (use | to combine with other load flags)

0x4

JPEG_EXIFROTATE =

Load and rotate according to Exif ‘Orientation’ tag if available

0x8

PCD_DEFAULT =

0x0

PCD_BASE =

Load the bitmap sized 768 x 512

0x1

PCD_BASEDIV4 =

Load the bitmap sized 384 x 256

0x2

PCD_BASEDIV16 =

Load the bitmap sized 192 x 128

0x3

PNG_IGNOREGAMMA =

Loading: avoid gamma correction

0x1

PSD_DEFAULT =

0x0

PSD_CMYK =

Reads tags for separated CMYK (default is conversion to RGB)

0x1

PSD_LAB =

Reads tags for CIELab (default is conversion to RGB)

0x2

RAW_DEFAULT =

Load the file as linear RGB 48-bit

0x0

RAW_PREVIEW =

Try to load the embedded JPEG preview with included Exif Data or default to RGB 24-bit

0x1

RAW_DISPLAY =

Load the file as RGB 24-bit

0x2

RAW_HALFSIZE =

Output a half-size color image

0x4

TARGA_LOAD_RGB888 =

If set the loader converts RGB555 and ARGB8888 -> RGB888.

0x1

TIFF_CMYK =

Reads/stores tags for separated CMYK (use | to combine with compression flags)

0x1