23.09.03	Version 3.11. This version contains mainly bug fixes. A few new additions are: Quadrilateral-to-quadrilateral image transformations (bilinear, perspective and affine warping) Parser-based functions New samples: Image Algebra, Channel Algebra, Data Types, Motion Detection, Synchronized Layers, Bilinear Warping, Multicolor Gradient. See Version.txt for detailed list of changes
15.07.03	Version 3.10 New TZImageMenu component: popup menu or submenu containing any images New TZTiledRaster component: raster layer with special features: tiling, cloning, symmetry Vector editor: new free-hand drawing mode Full support of standard TBitmap image object New samples: TBitmap demo shows how to use containers for TBitmap image objects LUT Editor demo shows how to implement Photoshop-like interface for RGB Look-Up-Tables ThumbCache demo shows how to compose a big image from any other images Magnifier demo AlphaDraw paint program for creating 32-bit drawings with alpha channel
6.06.03	Version 3.9 New TZOverview component for fast changing the view of TZImageBox component (scroller position, scale) and visualization of cursor-dependent information (coordinates, color of a pixel...) New image visualisation options: More 150 image transition effects are available Bitmap caching for fast image visualization is implemented Two new modes of image sequence and AVI playing (play back, play ping-pong) New features in vector editor: multiple object selection and manipulation grouping/ungrouping of objects improved user interface Many components and classes are significantly updated or re-designed New Slide Show demo shows how to use image transition effects New Undo/Redo demo shows how to implement image processing with undo/redo options
22.04.03	Version 3.8 New TZVideoLink component for frame capture from video sources The following samples work with video now: AdvImageViewer, Image scale, Channel mapping, Image processing, Image processing (opacity demo), Magic wand, Transparency Image ROI (rectangular region of interest) support New TZImageList class: many images (buttons, textures, sprites, simple animations) can be stored in one image New samples: Image list demo, Photo wall, ROI Demo. Updated sample: ROI support in Magic Wand sample Version for Delphi 7 is included to the install package
10.03.03	Version 3.7 New image visualization options: Non-integer, non-uniform scale Image alignment, tiling, stretching Resampling filters Advanced Image Viewer: new image analysis tool - Connectivity Analysis (Connected Component Labeling) New sample: Image scale demo.
10.02.03	Version 3.6 New ZGems.pas unit with image processing and graphics procedures: Linear filtering with user-defined or predefined kernels Simple grayscale morphology Image resampling with different filters Connectivity analysis (connected component labeling) Magic Wand (selection of region with uniform color) with region postprocessing Geometric transformations: rotation, mirroring, artistic effects Image morphing and warping Seamless texture creation Interface to GDI+ image object: all GDI+ possibilities of image processing and format conversion are available now for the PixeLook library ZL.DLL: image processing plugins (linear filtering, warping, image rotation) are available now New samples: GDI+ Demo, Large Image Demo, Magic Wand. Updated samples: 2D-Morphing, Rectangular Mesh, Seamless Texture
9.01.03	Version 3.5 New property TZBitmap.Pixels[] for fast pixel access; all pixel formats and image data types are supported Write AVI function has been updated with compression option; AVIWriter sample is updated Many methods of the standard TCanvas class can be used now for drawing in world coordinates; all such graphics is automatically scaled/scrolled according to current zoom level and scroller positions Wallpaper support; all windows (TZImageBox, TZGraphBox...) can have texture as their background; all pixel formats are supported; the texture can be read either from the resources or from a file new Background sample with a set of textures Intel IPL Wrapper ver.1.1: 1-bit image support and a few missing functions are added For registered users: the library is ready for multilanguage application developing; all strings have been placed to the separate file and can be translated by standard Delphi tools
27.12.02	New Samples section in the Tutorials page New EXE-samples Seamless Texture and Rectangular Mesh
15.12.02	Version 3.4 is released! 1-bit and 4-bit Windows bitmaps are now supported New function WriteAVI can convert image and AVI sequences to an AVI file of any pixel format (1-,4-,8-,16-,24-,32-bit) Clipboard support: Paste bitmaps from any application Copy/Paste images in PixeLook format without copying image data. This feature supports large images. Useful for debug purposes. Cut/copy/paste vector objects. Drag-and-drop support: components can accept image and AVI files from the Windows Explorer New feature of graphics layers: two or more layers can be synchronized. This is useful in stereo-editing or outlining correspondent features in multiple images. New EXE-samples: 2D-morphing, AVI Writer
18.11.02	For Intel IPL users: new IPL wrapper together with the sample are released (read more,  download)
1.11.02	Version 3.3 is released! New transparency options: transparent color, opacity, alphablending Keyboard support: all windows and graphics layers can accept keyboard commands Mouse wheel support: just try the wheel with CTRL, SHIFT in image or graphics window New samples (EXE and source) can be downloaded For registered users: source code is now compatible with Delphi 7
27.10.02	New look for the site is uploaded
14.10.02	Version 3.2 is released! Vector editor has been significantly improved and updated. New image analysis tool - Fast Fourier Transform (FFT).  New image processing plugin - convolution with arbitrary mask . AVI - demo has been updated. Off-line documentation has been updated (see Download page) Licensing policy has been changed (see Order page)
3.09.02	Version 3.1.2 is released! New image analysis tool - Hough transform. A few minor features are added to the components (read Version.txt).
28.08.02	Version 3.1.1 is released! New features in the TZBitmapLink component. A few bug fixes. Tutorial7 is  updated significantly.
25.08.02	New Tutorial3 and Tutorial7 are added
19.08.02	New AVI-demo is available
16.08.02	Version 3.1 is released! 16-bit (high color) images are now supported.  New drawing style - Marching Ants - is added to vector objects. Further improvements in Windows XP theme support. All Image Analysis Tools in Advanced Image Viewer are now available in source codes and can be used as examples.
4.08.02	ZL.DLL (freeware) is released! Use some features of the PixeLook library without the library itself!   New Tutorial 2 on AVI files is added.
1.08.02	Version 3.0.3 is released. New TZThumbNavigator component is added to the library.
26.07.02	Version 3.0.2 is released. New ‘Color picker’ layer in Advanced Image Viewer. Interfaces to GraphicsEx and IPL are added to the download package. Tutorial 1 is updated. New Tutorial 4 is added.
24.07.02	Version 3.0.2 is released. AVI files are now supported. New demo, how to use GraphicEx library, is added to the download package.
18.07.02	Version 3.0.1 is released. Errors in Windows XP theme support are corrected.
1.07.02	PixeLook library, version 3.0 is uploaded. Help, version 1 is uploaded. Tutorial 1 is added
23.06.02	This site is opened!

History
We have been developing this software for two years. It started as a part of a computer vision and digital photogrammetry research project. Now it is a highly flexible set of components that have been successfully used in many research and commercial applications.
Version 3.0 (06.2002)	Entire package has been remade. Internal interfaces are implemented. New user interface for graphics layers is created. Plugin-based image processing capabilities are developed
Version 2.0 (01.2001)	Different data types and large images are now supported. Raster layers are added. TZImageViewer, a sophisticated image viewer with image analysis tools, is implemented
Version 1.0 (09.2000)	Base classes of the library (TCustomZGraphLayer,TZControl, TZScrollWindow) and their ancestors are implemented

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