Native Object Pascal open source crossplatform library with no dependencies on any dynamically linked libraries or other platform specific binaries. Supported platforms are:

Windows x86/AMD64

Linux x86/AMD64

FreeBSD x86/AMD64

Mac OS X on Intel

Loading and saving of these image file formats:

BMP

JPEG, JPEG2000

PNG/APNG, MNG, JNG

GIF

TGA

DDS

PBM, PGM, PPM, PAM, PFM

TIFF

PSD

PCX

XPM

and more

Many internal image data formats:

8, 16, 24, 32, 48 and 64 bit RGB and ARGB formats

indexed formats

grayscale formats

floating point formats (IEEE754 and half precision)

compressed formats like DXT1/3/5, 3Dc, and BTC

Basic image manipulation functions working for all supported data formats and conversions between them (bilinear/bicubic resizing, mipmap generation, color reduction, ...).

Low level library interface (accessible by other programming languages) and high level OOP one.

Extensions for creating OpenGL, Direct3D, and SDL textures/surfaces.

VCL and LCL graphic classes and functions.

Image drawing with blending, linear and nonlinear filters, point transforms, binary morphology, drawing lines, ellipses, rectangles, etc.

Support for mipmaps, multiimages, direct access to image data, user-specified file formats, overriding default read and write functions, and more.