CxImage History

Version 5.99c, 17 - Oct - 2004

Bugfixes

• CxImageTIF::Encode: default compression for 4 bpp image was NONE, now it's LZW.
• CxMemFile::Seek: fixed bug introduced in version 5.99b: seeking beyond file size is legal !!!

Version 5.99b, 10 - Oct - 2004

• fixed SetXDPI and SetYDPI to accept only positive dpi values
• fixed EXIF decoder against invalid TAG_EXIF_OFFSET / TAG_INTEROP_OFFSET
• fixed missing definitions in ximawnd.cpp when CXIMAGE_SUPPORT_BMP is 0
• fixed CxFileJas constructor to avoid crashes, when Jasper deals with its temporary files, decoding large images <vho>
• removed default imagetype value from CxImage::Save <Choi Byungtae>
• fixed Mean() for images with an active selection <Admir Hodzic>
• fixed GIF decoder for animated images with corrupted frames.
• fixed GIF decoder for images with screen descriptor larger than the first frame.
• fixed GIF decoder to handle the disposal methods correctly.
• CxImageWMF reads images mapped in MM_TEXT, when MM_ANISOTROPIC fails.
• fixed Clear for 1 and 4 bpp images.
• fixed typo in ximajpg.cpp: ENTRPY_OPT_SUPPORTED -> ENTROPY_OPT_SUPPORTED <Boum>
• fixed potential memory overflow in RLE decoder reading corrupted bitmaps.
• Better UNICODE support <Cesar M> and fixed TCHAR mappings for Linux.
• fixed bug in IsTransparent, for images with a valid alpha layer.
• fixed bug in Create: a vaild image was created even if width or height were zero.
• CxMemFile: fixed problem for compilers where malloc(0) returns 0, + improvements in Alloc and Seek.

• new functions: Rotate2() <BD>, Resample2() <BD> QIShrink() <BD> , RedEyeRemove() <???> , Edge(),
  SelectionSplit(), IsSamePalette, BlendPixelColor, GetVersionNumber, Encode2RGBA
• new dithering algorithms: Bayer, Burkes, Stucki, Jarvis-Judice-Ninke, Sierra, Stevenson-Arce <Franco Gerevini>
• renamed AlphaGetBits with AlphaGetPointer <BD>
• new compiler switch: CXIMAGE_SUPPORT_INTERPOLATION to enable pixel color interpolations,
  implemented in the ximaint.cpp module <BD>
• New bEnableInterpolation parameter for Skew()
• New blend parameter for Colorize()
• color conversion routines now are declared as static
• FFT2 now works also with Borland compilers
• more interpolation kernels <Vladimír Kloucek>
• Smooth stretching parameter for Draw, thanks to <Vladimír Kloucek> and <BD>
• Added FreeMemory function, to avoid heap problems using Encode with memory buffers <livecn>
• new bMixAlpha parameter and new OpScreen blending mode for Mix()
• LZW compression is the default algorithm for GIF compression.
• CxImagePNG now can encode interlaced images
• Get/SetCodecOption now has an "ImageType" parameter, so that each format keeps its specific options
• Faster RotateLeft and RotateRight <BD>
• CxImageJPG now can write back the EXIF information (verbatim copy).

• Demo: new dialogs for Resample, Rotate, Skew with more options, JPEG compression
• New license based on zlib/libpng philosophy, see ximage.h and ./doc/license.txt
• Demo: new tool: tracker
• Demo: new View/Smooth menu to test smooth drawing in zoom and stretch modes
• Demo: more CodecOptions on the Options dialog, enabled LZW compression for GIF and TIF formats.
• PNG: updated to libpng 1.2.7
• JBIG: updated to version 1.6
• Better documentation : now using Doxygen.

Version 5.99a, 08 - Feb - 2004

• fixed bug in AlphaCopy, AlphaSet, SelectionCopy <Tacho>

• ---

• Demo: fixed save/restore window position and options

Version 5.99, 31 - Jan - 2004

• fixed linking problems when CXIMAGE_SUPPORT_ENCODE is 0 <Schuberth> <Squidge>
• fixed missing in parentheses in CreateFromMatrix and CreateFromArray <sihun> <H.C.Anderson>
• fixed incorrect decoding for 4-bit RLE Windows bitmaps <chupeev>
• Removed unreachable code in Resample <Lucian Ioan>
• CxImagePNG::Encode : removed useless call to iter.GetRow <Chieh An Lu>
• fixed color comparison using long integers (if rgbReserved is not 0) in CxImagePNG and CxImageICO <James Dickson>
• CxExifInfo now reads the exif data also in a second directory <Richard Collins>
• Dither now preserves DPI information
• fixed PNG decoder for interlaced images with transparent layer
• fixed GIF decoder bug for animated images with local color table.
• fixed problem in Draw() with indexed images, when 2 indexes hold the same color and 1 is transparent.
• fixed memory overrun in Crop() for 8 and 24 bpp images. <DT>
• fixed BMP decoder when loading 8 bit resources with less than 256 colors <DT>
• CxImageTIF now handles TIFFTAG_RESOLUTIONUNIT <Trifon>
• Fix for decoding 8 bpp tifs with alpha layer <Nick Holgate>
• fixed error in mymngerror() <Arkadiy Olovyannikov>
• fixed TIFFTAG_PREDICTOR, saving 1 and 4 bpp images with LZW compression <Hermann62>

• Renamed DrawText with DrawString
• New bGetAlpha parameter for GetPixelColor
• CxImageICO now reads also windows cursors (.CUR)
• support for UNICODE <Igor Rosenberg>
• Renamed Get/SetEncodeOption with Get/SetCodecOption <chupeev>
• AlphaCreate also initializes the layer to full opaque.
• new functions: DrawStringEx, InitTextInfo, CropRotatedRectangle <VATI>, MixFrom <Kenneth Ballard>, UnsharpMask <nipper>, Lut
• increased default JPEG quality to 90 <VATI>
• CxImageTIF::Decode saves original compression in info.dwCodecOption <DPR>
• new functions: CxImageTIF::TIFFOpenEx and CxImageTIF::TIFFCloseEx, to handle directly a TIFF directory.
• CxImageJPG::Decode and CxImageJPG::Encode handles more jpeg DECODE_XXX and ENCODE_XXX methods
  (through SetCodecOption and SetJpegQuality) <chupeev>
• new dwRop parameter for Stretch, allows raster-operation codes. <?>
• Faster Filter() for 8bit grayscale images <Thomas M. Boser>
• SetEscape(-1) before Decode returns the image width and height only ( for bmp, jpg, gif, tif ) <ignacio>
• new Set/GetJpegScale() before Decode, to open a resized image (for jpeg only) <ignacio>
• new function : CircleTransform for FishEye, Swirle, Cilinder, bathroom effects <Arkadiy Olovyannikov>
• new methos for HistogramStretch: 0 = luminance <dave>, 1 = linked channels <nipper>, 2 = independent channels <nipper>, and for grayscale images
• faster Light and Gamma <nipper>
• CImageIterator new methods: Get/SetCol() to extract a single column.
• Better error checking in image initialization functions.
• CreateFromHANDLE now reads also RLE compressed bitmaps <Michael Gandyra>

• Updated zlib to 1.2.1.<Tuncer M. Ayaz>
• Demo: status bar updated after Crop or drag & drop <VATI>
• demoview.h : new Dpoint2d structure <VATI>
• demodoc.h : new LEN2D macro <VATI>
• Demo: save/restore window position <VATI>
• Demo: new DlgText features <VATI>
• Demo: new Selection tool options: CTRL+Rclick = move selection, shift+Lclick= rect selection, Rclick on a rect selection = rotate selection <VATI>
• Moved tif_xfile.cpp from LibTiff to CxImage directory and workspace
• Demo2 : Updated FindFormat
• Demo : new Mix dialog and menus for CircleTransform

Version 5.80, 27 - Sep - 2003

• Fixed head.biSize initialization: moved from Startup() to Create() <ralphw>
• Fixed problem in SetTransColor when rgbReserved is not 0 and in the image there is an alpha layer.
• CxImageBMP::Decode : force rgbReserved=0 in the palette , to avoid problems with some WinXp bitmaps. <Colin Urquhart>
• Fixed warnings for size_t type in iA64 compiler <Frank Sowinski>
• GrayScale from 1, 4 and 24 bit images now preserves info and selection layer
• CxImageICO::Decode will not create the alpha layer if it's not strictly necessary;
  and reads images embedded inside a file <yuandi>
• CxImageJPG::Decode : check image allocation before further processing.
• Fixed DLL_EXP definition and inlined CxImage destructor for older VC++ compilers <Wassily Gibin>
• Fixed CxFileJas::JasClose() bug with memory files <osamu44>
• Added missing casts in floating point functions in CxExifInfo <Branko Drevenšek> <Tuncer M. Ayaz>
• Fixed memory leak in CreateFromHICON <Sims>
• Fixed access violation in CxImageTIF::Decode with some CieLab images <Vitaly Titov>
• Fixed GDI leak in CxImage::DrawText() <Henry P.>
• Crop now works also with the alpha layer. <oboolo>
• Fixed bias and canvas size in CxImage::Rotate()
• CxImageGIF now stores the comment before the image body.
• Encode() functions now check both file and image handlers with EncodeSafeCheck()
• IncreaseBpp to 24 bit from images with simple transparency, now sets the correct transparent color.
• CxImageBMP::DibReadBitmapInfo accepts non standard headers if the stored information is valid
• CxImage::Decode with CXIMAGE_FORMAT_UNKNOWN, now preserves CxImage::info
• Fixed sizeof(BITMAPFILEHEADER) in CxImageBMP, to avoid struct alignment errors

• New functions Get/SetClrImportant()
• Added new clrimportant parameter for DecreaseBpp
• Faster Light() for full RGB images
• GetPixelIndex returns the index of the top-left pixel when the coordinates are out of the image and no background color is selected
• CxImagePNG::Encode saves info.nBkgndColor (or white) as bKGD color, for IE
• Added "bEditAlpha" parameter to DrawText.
• New functions:
  SelectionAddPixel <Anatoly Ivasyuk>,
  DrawLine <JDL>,
  IsTransparent(long x, long y) <Sims>,
  AlphaGetBits(), Expand(), Thumbnail() <Colin Urquhart>
  CreateFromMatrix(), CreateFromArray() , replace CreateFromARGB()
• CXIMAGE_MAX_MEMORY prevents huge allocations
• GetBits() returns the pointer to the first byte in a generic row
• New bDetachBuffer parameter in CxMemFile::GetBuffer, to get the buffer for read only purpose <Wassily Gibin>
• Faster (x4!) bicubic interpolation and fixed bias error <Kristian Kratzenstein>
• CxImagePNG::Encode saves only the minimum number of palette colors for small images <Basara>
• Added "hpal" parameter to CxImage::CreateFromHBITMAP, for indexed DCs <Zahi Kapeluto>
• CxImageTGA::Decode now reads also images with illegal packets <Colin Urquhart>

• Updated CQuantizer to handle color reduction to less than 16 colors
• JAS_IMAGE_INMEMTHRESH increased to avoid jasper temporary file
• Updated JBig library: JBIG-KIT 1.5 (2003-06-11)
• \jpeg\jmorecfg.h : fixed INT32 redefinition for Borland C++ Builder6

Version 5.71, 25 - Apr - 2003

• new formats: JP2, JPC, PGX, PNM, RAS (through JasPer)
• new functions: Set/GetFlags( ), LayerCreate( ), LayerDelete( ), LayerDeleteAll( ), GetLayer( ), GetParent( ), GetNumLayers( )

• New C library : JasPer 1.700.2

Version 5.70, 19 - Apr - 2003

• fixed RGB2GRAY macro <H. Muelner> <jurgene>
• SelectionAddPolygon and SelectionAddColor compute correctly info.rSelectionBox
• fixed SelectionAddPolygon when the polygon touches the image borders.
• fixed EXIF reader
• fixed CxImageGIF::DecodeExtension
• CxImageTIF::EncodeBody : better error handling, and switch for different compression tags.
• CImageIterator : fixed friend declaration in ximaiter.h, line 37 <gazzivan>
• fixed DPI default values in CreateFromHANDLE
• CxImageBMP now reads OS2 bitmaps
• fixed cast problem in Histogram functions <Tuncer M. Ayaz>
• fixed memory corruption in RotateLeft( ) RotateRight( ) for 1 bpp images. <Stroupe David R>

• New MakeBitmap(hdc) implementation when hdc is 0 <jaslet>
• Light( ) : shifted down the contrast parameter so that the neutral value is 0.
• New filters: Jitter( ), Skew( )
• Negative( ) moved in BASICTRANSFORMATIONS

• New CxImageCrtDll.dsp project, to build a dll without mfc <Anatoly Ivasyuk>
• fixed bug in Window/Duplicate with no image in the document. <corwinkrisw>
• \jpeg\jdmarker.c line 1091 : skip check for unknown marker, to decode partially corrupted files.

Version 5.61, 10 - Mar - 2003

• fixed SplitXYZ and floating point constants in ximadsp.cpp <???>

Version 5.60, 09 - Mar - 2003

• CxImagePNG read/save DPI
• SelectionAddRect computes correctly info.rSelectionBox <arnold wittenberg>

• better RGB2GRAY macro <dave>
• new functions: HistogramStretch( ), HistogramEqualize( ), HistogramNormalize( ), HistogramRoot( ), HistogramLog( ) <dave>
• GetPixelColor returns the color of the top-left pixel when the coordinates are out of the image and no background color is selected
• new function: Contour( )
• new bicubic spline interpolation for Resample( )
• Faster GetNearestPixel( ) <RJ>

• Demo: fixed "move" tool

Version 5.55, 17 - Feb - 2003

Changes and major additions

• fixed bug in CreateFromARGB <Olivier Ansquer>
• CxImageTGA::Decode flips the alpha channel when required <lioucr>
• CxImageGIF::DecodeExtension, fixed problem when extension information is more than 3 bytes. <TomPeakz>

• jpeg\jdcolor.c, line 384 changed again to permit null conversion if the output space is undefined OR input and output sapaces are the same<DP>

Version 5.53, 27 - Jan - 2003

Changes and major additions

• New functions: CreateFromHICON
• Replaced SetPaletteIndex with SetPaletteColor and GetRGB with GetPaletteColor

• Demo : fixed GDI leak in LineDDAProc <jh>
• jpeg\jdcolor.c, line 384 changed to permit null conversion if the output space is undefined (OJPEG) <DP>
• tiff\tif_ojpeg.c from line 1374 to line 1407 : avoid sampling factors check <DP>

Version 5.51, 19 - Jan - 2003

• fixed GDI leak in CxImage::Draw when pClipRect is not null <Carsten Leue>

• Updated LIBPNG to 1.2.5 <Tuncer M. Ayaz>
• added jpeg_reset_huff_decode function in jpeg\jdhuff.c for the broadest possible support for OJPEG files
  (implemented by Scott Marovich at HP <marovich(at)hpl(dot)hp(dot)com>)
  jpeg\jdmarker.c : line 204 and 261 allow SOI and SOF duplicate only if cinfo->global_state == DSTATE_INHEADER
  (should be illegal, but OJPEG files have an illegal structure <DP>)
• tiff\tif_jpeg.c from line 673 to line 697 : avoid sampling factors check <DP>

Version 5.50, 07 - Jan - 2003

• CxImageTIF : added support for tiled images
• CxImageTIF : faster decoding with TIFFNumberOfDirectories, instead of looping <Robert Abram>
• CxImageTIF : fixed stripsize check when samplesperpixel is more than 1.
• DecreaseBpp( ) and IncreaseBpp( ) preserve info
• Tile( ) fixed when the rectangle is not a multiple of the image dimension. <dock>
• Added missing casts in floating point functions <Tuncer M. Ayaz>
• CxImageGIF : fixed loop counter saving animated gifs <handong>
• CxImageGIF::get_byte : fixed overflow when reading corrupted images.
• CxImageGIF::get_num_frames : fixed undefined TabCol structure.
• CxImageGIF : a palette without white is accepted.
• CxImageGIF : avoid byte order problems with Solaris <candan>
• CxImageTGA : Encode now saves the last palette entry.
• CxImageICO : Decode reads Bpp from the bitmapinfoheader instead of icondirentry <CoreyRLucier>
• CxImageJBG : fixed Encode crash when copying pixels form cximage to the decoder buffer.

Changes and major additions

• Replaced IsAlphaPaletteEnabled with AlphaPaletteIsEnabled, AlphaIsValidPalette with AlphaPaletteIsValid, GetSelectionBox with SelectionGetBox
• New SplitCMYK( ), GetPixelGray( ), AlphaPaletteSplit( )
• Added the bLocalColorMap parameter to CxImageGIF::Encode, for animated gifs with local palettes
• New AlphaSet(CxImage &from): creates the alpha channel from a gray scale image.
• One or more images can be appended directly to a TIF file, using CxImageTIF::Encode(file,true); or Encode(hFile,pImages,pagecount) <RJ>
• Fast RotateLeft( ) and RotateRight( ) for BW images <Robert Abram>
• SetPixelColor( ) and GetPixelColor( ) handle alpha in RGBQUAD::rgbReserved.
• IncreaseBpp is faster for conversion to 4 and 8 bpp, AlphaPalette converted to an alpha channel for conversion to 24 bpp.
• info.nProgress updated in the dsp and transformation functions <Anatoly Ivasyuk>.
• New info.dwEncodeOption parameter to select the compression scheme for GIF and TIF.
• New CxImageWMF::Decode parameters: nForceWidth,nForceHeight to force the final dimension of the image.
• CxImageJ2K::Encode : new formula for compression rate, so the quality for j2k and jpg are similar.
• Added CXIMAGE_FORMAT_UNKNOWN for automatic image type detection.

Project - Libraries - Demo application

• Fixed exception in DlgHisto
• CQuantize handles palettes with alpha information
• better dump of the memory leaks <dave>

Version 5.11, 29 - Sep - 2002

• ximadefs.h : added pragma pack(1) for BMP structures alignment with Linux compilers

Version 5.10, 23 - Sep - 2002

• CxImageGIF : restored lzw algorithm. <Olivier Ansquer>
• CxImageTIFF : added support for CIELAB images.
• CxImageTGA : fixed problem decoding corrupted files.
• CxImageBMP: fixed problem with os2 and 16bit images <Cui Ying Jie>

Changes and major additions

• New DrawText function.
• Added iDst parameter in Resample( ) <CSC>
• New SelectionToHRGN( ) and SelectionAddColor( ) <elrod>
• Replaced HasAlpha with AlphaIsValid, HasSelection with SelectionIsValid, HasAlphaPalette with AlphaIsValidPalette
• New CreateFromARGB( ) <Olivier Ansquer>
• Added DLL_EXP for CxImageTIF and CxImageGIF <Olivier Ansquer>

Version 5.00, 23 - Aug - 2002

• CxImageTIF::Decode : fixed default orientation. <vho>
• CxImageTIF::Encode saves 1bpp always with PHOTOMETRIC_MINISWHITE <abe>
• CxImageJPG::Encode : fixed jpg encoder for memory files.
• CxImageICO::Encode : fixed problem with 4bpp images with transparency.
• CxImagePNG::Encode : fixed problem when info.bColorType was wrong <Kwyshell>
• removed info.bColorType and changed GetColorType() implementation.
• CxImageBMP::Decode handles TopDown Bitmaps <Flanders>, small bugfix <CSC>
• CxImageTIF::Encode : TIFFSetField(m_tif, TIFFTAG_ROWSPERSTRIP, TIFFDefaultStripSize(m_tif, -1)); gives better compression <REC>
• Load( ) returns the correct info.nNumFrame when info.nFrame<0.
• removed bug in tif_xfile.c when encoding memory files.
• CxImageBMP::Decode loads correctly OS2 bmps.
• bugfix in Resample( ) when (newx==width && newy==height)
• better operator= definition <Anatoly Ivasyuk>

• new formats: WBMP, WMF - EMF <vho>, JBIG, JPEG2000.
• new full codec for PCX, with support for RGBA images.
• new methods: GetVersion, IsTransparent <vho>, ShiftRGB, Median, Gamma, Noise, Combine, FFT, Repair, AlphaSplit
• added r/w support for 8bpp TIFFs with alpha layer.
• added support for TrueColor, RLE and uncompressed GIFs.
• added CXIMAGEJPG_SUPPORT_EXIF for JPGs.
• new switches: CXIMAGE_SUPPORT_DECODE, CXIMAGE_SUPPORT_ENCODE,
  CXIMAGE_SUPPORT_WINDOWS, CXIMAGE_SUPPORT_WINCE <T.Peck>
• SetEscape can abort the codecs loops <vho>.
• added ximadefs.h to adjust automatically the switches.
• the codecs for ICO, PNG, TGA and TIF work also with CXIMAGE_SUPPORT_ALPHA = 0 <vho>
• added DPI information support for jpeg <Koray Geçici>
• new CxFile CxMemFile CxIOFile implementations <CSC>
• MakeBitmap( ) creates a real DIB if HDC == 0 <CSC>
• Draw( ) added pClipRect parameter.
• CxImageTIF::Decode : re-enabled error handler for debugging;

• Zlib : replaced zlib.rc and zlib.def <Tuncer M. Ayaz>.
• Demo: new tools, histogram, palette, replaced xshadebutton with xtargetbutton.
• Updated LIBPNG to 1.2.4
• LibTIFF::tiff_read.c::ln188: commented to decode strange images, it's not dangerous.
• LibTIFF small changes to compile under linux (tiff_xfile.cpp, tiff_jpeg.c, tiff_ojpeg.c, tiffiop.h)
• LibJPEG : small changes to compile under linux (jmorecfg.h)
• Added project for DLL build and console applications.

Version 4.10, 01 - Jun - 2002

• Fixed PNG error handler.
• Fixed TGA decoder for RLE encoded pictures with alpha channel <Ole Lange> and 15 bit pictures.
• Fixed BMP decoder for 32 bit images.

• Added Read/Write support for 24 and 32 bit ICONs.
• new bAppend parameter in CxImageTIF::Encode() for better multi page TIF creation. <Abe>

• Updated zlib to 1.1.4.<Tuncer M. Ayaz>
• Added OJPEG_SUPPORT (not for Wang).

Version 4.01, 15 - May - 2002

• Added some constructors and Encode()/Decode() methods to work with memory buffers directly.

• Changed URL download dialog.

Version 4.00, 12 - May - 2002

• Fixed JPEG error handler <CSC>
• Fixed _tiffSizeProc in tif_c.c to load images with missing stripcount.
• Transformations preserve info.dwType perameter <CSC>
• Createfromhandle() bugfix for 32bitfield images <JA>
• GetPixelColor bugfix when the coordinates are in the outside of the image <Mpwolski>

• New CxFile class to read/write memory files and disk files.
• Added support for Read/Write 32bpp TIFFs with apha channel.
• New methods : Mix() <Mpwolski>, Destroy(), IsIndexed()
• Read/Write support for Multipage TIFF <Abe>
• Read/Write support for Animated GIF (gif89a), with comment, loops and disposal method
• Added xOffset and yOffset in CxImage::info
• Changed names : ReadFile -> Load ; SaveFile -> Save
• LoadResource uses CxFile

• Updated BCMenu: version 3.03.
• LibTiff : enabled alpha (tif_getimage.c;Ln:212), enabled ZIP_SUPPORT
• Pane view function with "shift+Lbutton"
• Updated LibTiff to 3.5.7
• New URL download dialog; WebGrab class by Chris Maunder

Version 3.21, 11 - Mar - 2002

• Fixed memory leakage in CxImagePNG::Encode() <Rob Cass>.
• Fixed CxImageICO::Decode() problem with 16 colors icons <Rogier>.

• CxImageICO reads/saves icons with transparent pixels.
• CxImageTIF::Decode() now takes care of the orientation tag.
• New RotateLeft(), RotateRight(), Rotate180() functions <MKVY>.
• Faster Draw() implementation for images with transparency <DJT>.

• Updated BCMenu: version 3.01.
• Replaced CreateThread() with _beginthread() to avoid small memory leaks.

Version 3.09, 21 - Feb - 2002

• Rotation() and Resample() handle the alpha channel. <MTA>
• CxImagePNG: Encode() merges the transparent color with the alpha channel.
• Fixed exceptions and leaks in Draw() <RG>
• CxImageBMP now reads 32 bpp BITFIELD images.
• Decode() correctly loads multipage ICO and TIF files. <REC>

Version 3.02, 24 - Jan - 2002

• CxImagePNG: fixed allocation bug in Decode()
• CxImagePNG: cast error saving 8 bpp images.

Version 3.00, 20 - Jan - 2002

• fixed HSLtoRGB() conversion <F. Livraghi >
• CxImagePNG: fixed deallocation bug in Encode() <Ranger>
• CxImagePNG: now reads 2 bpp images.
• CxImageBMP: fixed DPI rounding error <DIH>
• CreateFromHANDLE now handles the DPI information <Jeff Hu>
  

• New pixel ALPHA channel, overall opacity. (14 dedicated functions)
• New Alpha Palette. (5 dedicated functions)
• New Region Selection (rectangle, ellipse, polygon - 11 dedicated functions).
• New "copypixels", "copyselection", "copyalpha" options for constructor/Copy()
• New "errordiffusion" option for DecreasBPP().
• New Draw() implementation with support for alpha channel, alpha palette, opacity, transparency.
• New PCX decoder CxImagePCX
• New TGA decoder/encoder CxImageTGA (with alpha channel)
• High resolution shrink for Resample() <Henrik Stellmann>
• CxImagePNG now reads/saves the transparency information (palette and alpha channel)
  

• Updated PNG library: Libpng version 1.2.1
• Free-hand selection with the left mouse button.
  

Version 2.00, 29 - Dec - 2001

• fixed deadlock in GIF decoder
• PNG decoder reads 16 bit grayscale images.
• TIF decoder reads 4 bit grayscale images.
• fixed bug in CreateFromHBITMAP() <Wil Stark>
• Fixed PNG encoder bug, buffer allocation error with BW images.
  

• MNG decoder handles the background information.
  
• TIF encoder now uses COMPRESSION_JPEG for 24 bit images.
  
• LoadResource(): added new parameter to work with dlls. <Tuncer M. Ayaz>
• LoadResource() now works with network applications. <Tuncer M. Ayaz>
• Changed CxImage() constructors, Copy() and Transfer() interface and implementation <Kirk>
• Added CreateFromHANDLE() and CreateFromHBITMAP() in place of the old constructors.
• Automatic file format recognition in ReadFile() <Patrick Hoffmann>
• Faster Draw() implementation for transparent images. (Thanks to Paul Reynolds and Ron Gery)
• New Get/SetJpegQuality() for JPEG and TIF encoders.
• New Get/SetXDPI(), Get/SetYDPI() for BMP and TIF formats.
• New Dither() function, with Floyd-Steinberg or Ordered-Dithering BW conversion (Thanks to Kenny Hoff and Steve McMahon)
• New functions : Crop(), SplitRGB(), SplitYUV(), SplitHSL().
• New functions : Colorize(), Light(), Threshold(), Mean(), Filter(), Dilate(), Erode().
  

• Removed bad pixels from "Capture Window" <Qiang>
  
• New menus: Blur, Soften, Edge, Sharpen, Emboss, Dilate, Erode, Threshold, Dither, ...
  

Version 1.25, 28 - Oct - 2001

• Added support for 32 bit PNGs and 16 bit TIFs

Version 1.23, 15 - Oct - 2001

• Fixed PNG reading interlaced and gray scale images. <DP>
• Fixed PNG saving 1 & 4 bit images. <DP>
• Fixed GIF saving and reading 1 & 4 bit images. <DP>
• Added safe checks in CImageIterator::SetRow() <DP> and in CxImagePNG::Decode() <yeonjun jeong>

• + Basic MNG encoder/decoder.
• + Get/SetTransIndex(): on the fly transparency for indexed images (1, 4, 8 bpp) <TRK>
• + Get/SetTransColor(): on the fly transparency for RGB images (24 bpp) <DP>
• + GIF encoder saves transparency information <TRK>
• + PNG encoder saves transparency information <DP>
• + SwapIndex() function for palette operations with transparency <DP>
• + Resample() function <Steve McMahon>
• + Get/SetEscape() to quit the slow loops.
• + Get/SetProgress() to monitor the slow loops.
• + SetStdPalette() to create a standard palette for 256 and 16 colors images.
• + DecreaseBpp()/IncreaseBpp().
  

• Transparency handling menu <DP>
• Fixed cast problem in Jcapimin.c, comparing JPEG_LIB_VERSION <F. Livraghi>
• Resample, DecreaseBpp, IncreaseBpp menu <DP>
• Stopwatch and ProgressBar in the status bar <DP>
• Image computations are in a separate thread <DP>
• Added CQuantizer class to implement the color reduction with the octree algorithm. <Jeff Prosise>

Version 1.10, 23 - Sep - 2001

• Better exception handling in CxImagePNG & CxImageBMP. <DP>
• Gdi resource leakage and memory corruption in CxImage(HBITMAP). <TRK>
• Rotate() didn't handle transparency. <TRK>
• Fixed TIFF saving 1 & 4 bit images. <DP>

• Extended LoadResource() to TIFF format. <DP>
• - Removed info.szFileName : never used, and it's not an image related information. <TRK>
  
• Reduced fopen/fclose clutter. <TRK><DP>
• Extended constructors with "imagetype" (for future use). <TRK>
• Replaced GetPaletteIndex() with GetPaletteColor() : the function returns a color, not an index.
• Replaced GetFileType() with GetType() : to avoid confusion with the file extension.
• GrayScale() now always create an 8 bit gray scale image. <DP>
• + Implemented transparency in CxImage::Draw(). Now Draw() can also stretch the image, so Stretch() became obsolete. <TRK>
• + CxImage(FILE * stream) constructor. <TRK>
• + JPEG read CMYK format (adobe). <DP>
• + Transparency for PNG. <DP>
• + Enabled reading of RLE-compressed <TRK> and 16 & 32 bit BITFIELD <DP> bitmaps.
• + Unicode version for ReadFile/SaveFile.
• + MakeBitmap() function <Kurt Diesch>
• + JPEG can save 8 bit GrayScale images. <DP>
  

• Removed MFC-dependency (#include <afxwin.h>) <TRK>
• Changed jconfig.h with HAVE_BOOLEAN stuff <TRK>
• + new tiff_c.c module in theTIFF library, for straight C Runtime Library file functions. <TRK>
• Demo : now using Project|Dependencies.
• + Zoomin/Zoomout menu <DP>
• + Capture window menu <DP>
• + Acquire from TWAIN source <DP>

Version 1.01, 27 - Aug - 2001

• PNG Read/Save exceptions with non dword aligned scan lines.
• Mirror() doesn't handle the last column. <Brian R. Zielinski>

• + GrayScale(). <TRK>
  
• + Rotate().
  
• + Read Multiple Image for TIFFs & ICONs
  
• + LoadResource(). <DP>
• Changed GIF read implementation. Added animation handling. <TRK>
  

• + Demo: added hatched background and Print functionality. <TRK>
• + Undo/Redo menu. <DP>

Version 1.00, 07 - Aug - 2001

PEOPLE: