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CxImage

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15 Feb 2008Zlib13 min read 12.9M   300.6K   1.6K  
CxImage is a C++ class to load, save, display, transform BMP, JPEG, GIF, PNG, TIFF, MNG, ICO, PCX, TGA, WMF, WBMP, JBG, J2K images.
 
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		<title>History</title>
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		<h2>CxImage History</h2>
		<hr>
		<h3>Version 1.00, 07 - Aug - 2001</h3>
		<hr>
		<h3>Version 1.01, 27 - Aug - 2001</h3>
		<b>Bugfixes</b>
		<UL>
			<LI>
			PNG Read/Save exceptions with non dword aligned scan lines.
			
  <LI> Mirror() doesn't handle the last column. &lt;Brian R. Zielinski&gt;</LI>
		</UL>
		<b>Changes and major additions</b>
		<UL>
			<LI>
				+ GrayScale(). &lt;TRK&gt;<br>
			<LI>
				+ Rotate().<br>
			<LI>
				+ Read Multiple Image for TIFFs &amp; ICONs<br>
			<LI>
			+ LoadResource(). &lt;DP&gt;
			<LI>
				Changed GIF read implementation. Added animation handling. &lt;TRK&gt;<br>
			</LI>
		</UL>
		<b>Project - Libraries - Demo application</b>
		<ul>
			<li>
			+ Demo: added hatched background and Print functionality. &lt;TRK&gt;
			<li>
				+ Undo/Redo menu. &lt;DP&gt;</li>
		</ul>
		<hr>
		<h3>Version 1.10, 23 - Sep - 2001</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
			Better exception handling in CxImagePNG &amp; CxImageBMP. &lt;DP&gt;
			<li>
			Gdi resource leakage and memory corruption in CxImage(HBITMAP). &lt;TRK&gt;
			<li>
			Rotate() didn't handle transparency. &lt;TRK&gt;
			<li>
				Fixed TIFF saving 1 &amp; 4 bit images. &lt;DP&gt;</li>
		</ul>
		<b>Changes and major additions</b><br>
		<ul>
			<li>
			Extended LoadResource() to TIFF format. &lt;DP&gt;
			<li>
				- Removed info.szFileName : never used, and it's not an image related 
				information. &lt;TRK&gt;<br>
			<li>
			Reduced fopen/fclose clutter. &lt;TRK&gt;&lt;DP&gt;
			<li>
				Extended constructors with "imagetype" <i>(for future use)</i>. &lt;TRK&gt;
			<li>
			Replaced GetPaletteIndex() with GetPaletteColor() : the function returns a 
			color, not an index.
			<li>
			Replaced GetFileType() with GetType() : to avoid confusion with the file 
			extension.
			<li>
			GrayScale() now always create an 8 bit gray scale image. &lt;DP&gt;
			<li>
			+ Implemented transparency in CxImage::Draw(). Now Draw() can also stretch the 
			image, so Stretch() became obsolete. &lt;TRK&gt;
			<li>
			+ CxImage(FILE * stream) constructor. &lt;TRK&gt;
			<li>
			+ JPEG read CMYK format (adobe). &lt;DP&gt;
			<li>
			+ Transparency for PNG. &lt;DP&gt;
			<li>
			+ Enabled reading of RLE-compressed &lt;TRK&gt; and 16 &amp; 32 bit BITFIELD 
			&lt;DP&gt; bitmaps.
			<li>
			+ Unicode version for ReadFile/SaveFile.
			<li>
			+ MakeBitmap() function &lt;Kurt Diesch&gt;
			<li>
				+ JPEG can save 8 bit GrayScale images. &lt;DP&gt;<br>
			</li>
		</ul>
		<b>Project - Libraries - Demo application</b>
		<ul>
			<li>
			Removed MFC-dependency (#include &lt;afxwin.h&gt;) &lt;TRK&gt;
			<li>
			Changed jconfig.h with HAVE_BOOLEAN stuff &lt;TRK&gt;
			<li>
			+ new tiff_c.c module in theTIFF library, for straight C Runtime Library file 
			functions. &lt;TRK&gt;
			<li>
			Demo : now using Project|Dependencies.
			<li>
			+ Zoomin/Zoomout menu &lt;DP&gt;
			<li>
			+ Capture window menu &lt;DP&gt;
			<li>
				+ Acquire from TWAIN source &lt;DP&gt;</li>
		</ul>
		<hr>
		<h3>Version 1.23, 15 - Oct - 2001</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
			Fixed PNG reading interlaced and gray scale images. &lt;DP&gt;
			<li>
			Fixed PNG saving 1 &amp; 4 bit images. &lt;DP&gt;
			<li>
			Fixed GIF saving and reading 1 &amp; 4 bit images. &lt;DP&gt;
			<li>
				Added safe checks in CImageIterator::SetRow() &lt;DP&gt; and in 
				CxImagePNG::Decode() &lt;yeonjun jeong&gt;</li>
		</ul>
		<b>Changes and major additions</b><br>
		<ul>
			<li>
			+ Basic MNG encoder/decoder.
			<li>
			+ Get/SetTransIndex(): on the fly transparency for indexed images (1, 4, 8 bpp) 
			&lt;TRK&gt;
			<li>
			+ Get/SetTransColor(): on the fly transparency for RGB images (24 bpp) 
			&lt;DP&gt;
			<li>
			+ GIF encoder saves transparency information &lt;TRK&gt;
			<li>
			+ PNG encoder saves transparency information &lt;DP&gt;
			<li>
			+ SwapIndex() function for palette operations with transparency &lt;DP&gt;
			<li>
			+ Resample() function &lt;Steve McMahon&gt;
			<li>
			+ Get/SetEscape() to quit the slow loops.
			<li>
			+ Get/SetProgress() to monitor the slow loops.
			<li>
			+ SetStdPalette() to create a standard palette for 256 and 16 colors images.
			<li>
				+ DecreaseBpp()/IncreaseBpp().<br>
			</li>
		</ul>
		<b>Project - Libraries - Demo application</b>
		<ul>
			<li>
			Transparency handling menu &lt;DP&gt;
			<li>
			Fixed cast problem in Jcapimin.c, comparing JPEG_LIB_VERSION &lt;F. 
			Livraghi&gt;
			<li>
			Resample, DecreaseBpp, IncreaseBpp menu &lt;DP&gt;
			<li>
			Stopwatch and ProgressBar in the status bar &lt;DP&gt;
			<li>
			Image computations are in a separate thread &lt;DP&gt;
			<li>
				Added CQuantizer class to implement the color reduction with the octree 
				algorithm. &lt;Jeff Prosise&gt;</li>
		</ul>
		<hr>
		<H3>Version 1.25, 28 - Oct - 2001</H3>
		<b>Bugfixes</b>
		<ul>
			<li>
				Added support for 32 bit PNGs and 16 bit TIFs</li>
		</ul>
		<hr>
		<h3>Version 2.00, 29 - Dec - 2001</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
			fixed deadlock in GIF decoder
			<li>
			PNG decoder reads 16 bit grayscale images.
			<li>
			TIF decoder reads 4 bit grayscale images.
			<li>
			fixed bug in CreateFromHBITMAP() &lt;Wil Stark&gt;
			<li>
				Fixed PNG encoder bug, buffer allocation error with BW images.<br>
			</li>
		</ul>
		<b>Changes and major additions</b>
		<ul>
			<li>
				MNG decoder handles the background information.<br>
			<li>
				TIF encoder now uses COMPRESSION_JPEG for 24 bit images.<br>
			<li>
			LoadResource(): added new parameter to work with dlls. &lt;Tuncer M. Ayaz&gt;
			<li>
			LoadResource() now works with network applications. &lt;Tuncer M. Ayaz&gt;
			<li>
			Changed CxImage() constructors, Copy() and Transfer() interface and 
			implementation &lt;Kirk&gt;
			<li>
			Added CreateFromHANDLE() and CreateFromHBITMAP() in place of the old 
			constructors.
			<li>
			Automatic file format recognition in ReadFile() &lt;Patrick Hoffmann&gt;
			<li>
			Faster Draw() implementation for transparent images. (Thanks to Paul Reynolds 
			and Ron Gery)
			<li>
			New Get/SetJpegQuality() for JPEG and TIF encoders.
			<li>
			New Get/SetXDPI(), Get/SetYDPI() for BMP and TIF formats.
			<li>
			New Dither() function, with Floyd-Steinberg or Ordered-Dithering BW conversion 
			(Thanks to Kenny Hoff and Steve McMahon)
			<li>
			New functions : Crop(), SplitRGB(), SplitYUV(), SplitHSL().
			<li>
				New functions : Colorize(), Light(), Threshold(), Mean(), Filter(), Dilate(), 
				Erode().<br>
			</li>
		</ul>
		<b>Project - Libraries - Demo application</b>
		<ul>
			<li>
				Removed bad pixels from "Capture Window" &lt;Qiang&gt;<br>
			<li>
				New menus: Blur, Soften, Edge, Sharpen, Emboss, Dilate, Erode, Threshold, 
				Dither, ...<br>
			</li>
		</ul>
		<hr>
		<h3>Version 3.00, 20 - Jan - 2002</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
			fixed HSLtoRGB() conversion &lt;F. Livraghi &gt;
			<li>
			CxImagePNG: fixed deallocation bug in Encode() &lt;Ranger&gt;
			<li>
			CxImagePNG: now reads 2 bpp images.
			<li>
			CxImageBMP: fixed DPI rounding error &lt;DIH&gt;
			<li>
				CreateFromHANDLE now handles the DPI information &lt;Jeff Hu&gt;<br>
			</li>
		</ul>
		<b>Changes and major additions</b>
		<ul>
			<li>
			New pixel ALPHA channel, overall opacity. (14 dedicated functions)
			<li>
			New Alpha Palette. (5 dedicated functions)
			<li>
			New Region Selection (rectangle, ellipse, polygon - 11 dedicated functions).
			<li>
			New "copypixels", "copyselection", "copyalpha" options for constructor/Copy()
			<li>
			New "errordiffusion" option for DecreasBPP().
			<li>
			New Draw() implementation with support for alpha channel, alpha palette, 
			opacity, transparency.
			<li>
			New PCX decoder CxImagePCX
			<li>
			New TGA decoder/encoder CxImageTGA (with alpha channel)
			<li>
			High resolution shrink for Resample() &lt;Henrik Stellmann&gt;
			<li>
				CxImagePNG now reads/saves the transparency information (palette and alpha 
				channel)
				<br>
			</li>
		</ul>
		<b>Project - Libraries - Demo application</b>
		<ul>
			<li>
			Updated PNG library: Libpng version 1.2.1
			<li>
				Free-hand selection with the left mouse button.<br>
			</li>
		</ul>
		<hr>
		<h3></h3>
		<h3>Version 3.02, 24 - Jan - 2002</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
			CxImagePNG: fixed allocation bug in Decode()
			<li>
				CxImagePNG: cast error saving 8 bpp images.</li>
		</ul>
		<hr>
		<h3></h3>
		<h3>Version 3.09, 21 - Feb - 2002</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
			Rotation() and Resample() handle the alpha channel. &lt;MTA&gt;
			<li>
			CxImagePNG: Encode() merges the transparent color with the alpha channel.
			<li>
			Fixed exceptions and leaks in Draw() &lt;RG&gt;
			<li>
			CxImageBMP now reads 32 bpp BITFIELD images.
			<li>
				Decode() correctly loads multipage ICO and TIF files. &lt;REC&gt;</li>
		</ul>
		<hr>
		<h3></h3>
		<h3>Version 3.21, 11 - Mar - 2002</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
			Fixed memory leakage in CxImagePNG::Encode() &lt;Rob Cass&gt;.
			<li>
				Fixed CxImageICO::Decode() problem with 16 colors icons &lt;Rogier&gt;.</li>
		</ul>
		<b>Changes and major additions</b>
		<ul>
			<li>
			CxImageICO reads/saves icons with transparent pixels.
			<li>
			CxImageTIF::Decode() now takes care of the orientation tag.
			<li>
			New RotateLeft(), RotateRight(), Rotate180() functions &lt;MKVY&gt;.
			<li>
				Faster Draw() implementation for images with transparency &lt;DJT&gt;.</li>
		</ul>
		<b>Project - Libraries - Demo application</b>
		<ul>
			<li>
			Updated BCMenu: version 3.01.
			<li>
				Replaced CreateThread() with _beginthread() to avoid small memory leaks.</li>
		</ul>
		<hr>
		<h3></h3>
		<h3>Version 4.00, 12 - May - 2002</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
			Fixed JPEG error handler &lt;CSC&gt;
			<li>
			Fixed _tiffSizeProc in tif_c.c to load images with missing stripcount.
			<li>
			Transformations preserve info.dwType perameter &lt;CSC&gt;
			<li>
			Createfromhandle() bugfix for 32bitfield images &lt;JA&gt;
			<li>
				GetPixelColor bugfix when the coordinates are in the outside of the image 
				&lt;Mpwolski&gt;</li>
		</ul>
		<b>Changes and major additions</b>
		<ul>
			<li>
			New CxFile class to read/write memory files and disk files.
			<li>
			Added support for Read/Write 32bpp TIFFs with apha channel.
			<li>
			New methods : Mix() &lt;Mpwolski&gt;, Destroy(), IsIndexed()
			<li>
			Read/Write support for Multipage TIFF &lt;Abe&gt;
			<li>
			Read/Write support for Animated GIF (gif89a), with comment, loops and disposal 
			method
			<li>
			Added xOffset and yOffset in CxImage::info
			<li>
			Changed names : ReadFile -&gt; Load ; SaveFile -&gt; Save
			<li>
				LoadResource uses CxFile</li>
		</ul>
		<b>Project - Libraries - Demo application</b>
		<ul>
			<li>
			Updated BCMenu: version 3.03.
			<li>
			LibTiff : enabled alpha (tif_getimage.c;Ln:212), enabled ZIP_SUPPORT
			<li>
			Pane view function with "shift+Lbutton"
			<li>
			Updated LibTiff to 3.5.7
			<li>
				New URL download dialog; WebGrab class by Chris Maunder</li>
		</ul>
		<hr>
		<h3></h3>
		<h3>Version 4.01, 15 - May - 2002</h3>
		<b>Changes and major additions</b>
		<ul>
			<li>
				Added some constructors and Encode()/Decode() methods to work with memory 
				buffers directly.</li>
		</ul>
		<b>Project - Libraries - Demo application</b>
		<ul>
			<li>
				Changed URL download dialog.</li>
		</ul>
		<hr>
		<h3></h3>
		<h3>Version 4.10, 01 - Jun - 2002</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
			Fixed PNG error handler.
			<li>
			Fixed TGA decoder for RLE encoded pictures with alpha channel &lt;Ole Lange&gt; 
			and 15 bit pictures.
			<li>
				Fixed BMP decoder for 32 bit images.</li>
		</ul>
		<b>Changes and major additions</b>
		<ul>
			<li>
			Added Read/Write support for 24 and 32 bit ICONs.
			<li>
				new bAppend parameter in CxImageTIF::Encode() for better multi page TIF 
				creation. &lt;Abe&gt;</li>
		</ul>
		<b>Project - Libraries - Demo application</b>
		<ul>
			<li>
			Updated zlib to 1.1.4.&lt;Tuncer M. Ayaz&gt;
			<li>
				Added OJPEG_SUPPORT (not for Wang).</li>
		</ul>
		<hr>
		<h3></h3>
		<h3>Version 5.00, 23 - Aug - 2002</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
			CxImageTIF::Decode : fixed default orientation. &lt;vho&gt;
			<li>
			CxImageTIF::Encode saves 1bpp always with PHOTOMETRIC_MINISWHITE &lt;abe&gt;
			<li>
			CxImageJPG::Encode : fixed jpg encoder for memory files.
			<li>
			CxImageICO::Encode : fixed problem with 4bpp images with transparency.
			<li>
			CxImagePNG::Encode : fixed problem when info.bColorType was wrong 
			&lt;Kwyshell&gt;
			<li>
			removed info.bColorType and changed GetColorType() implementation.
			<li>
			CxImageBMP::Decode handles TopDown Bitmaps &lt;Flanders&gt;, small bugfix 
			&lt;CSC&gt;
			<li>
			CxImageTIF::Encode : TIFFSetField(m_tif, TIFFTAG_ROWSPERSTRIP, 
			TIFFDefaultStripSize(m_tif, -1)); gives better compression &lt;REC&gt;
			<li>
			Load( ) returns the correct info.nNumFrame when info.nFrame&lt;0.
			<li>
			removed bug in tif_xfile.c when encoding memory files.
			<li>
			CxImageBMP::Decode loads correctly OS2 bmps.
			<li>
			bugfix in Resample( ) when (newx==width &amp;&amp; newy==height)
			<li>
				better operator= definition &lt;Anatoly Ivasyuk&gt;</li>
		</ul>
		<b>Changes and major additions</b>
		<ul>
			<li>
			new formats: WBMP, WMF - EMF &lt;vho&gt;, JBIG, JPEG2000.
			<li>
			new full codec for PCX, with support for RGBA images.
			<li>
			new methods: GetVersion, IsTransparent &lt;vho&gt;, ShiftRGB, Median, Gamma, 
			Noise, Combine, FFT, Repair, AlphaSplit
			<li>
			added r/w support for 8bpp TIFFs with alpha layer.
			<li>
			added support for TrueColor, RLE and uncompressed GIFs.
			<li>
			added CXIMAGEJPG_SUPPORT_EXIF for JPGs.
			<li>
				new switches: CXIMAGE_SUPPORT_DECODE, CXIMAGE_SUPPORT_ENCODE,<br>
			CXIMAGE_SUPPORT_WINDOWS, CXIMAGE_SUPPORT_WINCE &lt;T.Peck&gt;
			<li>
			SetEscape can abort the codecs loops &lt;vho&gt;.
			<li>
			added ximadefs.h to adjust automatically the switches.
			<li>
			the codecs for ICO, PNG, TGA and TIF work also with CXIMAGE_SUPPORT_ALPHA = 0 
			&lt;vho&gt;
			<li>
			added DPI information support for jpeg &lt;Koray Ge�ici&gt;
			<li>
			new CxFile CxMemFile CxIOFile implementations &lt;CSC&gt;
			<li>
			MakeBitmap( ) creates a real DIB if HDC == 0 &lt;CSC&gt;
			<li>
			Draw( ) added pClipRect parameter.
			<li>
				CxImageTIF::Decode : re-enabled error handler for debugging;</li>
		</ul>
		<b>Project - Libraries - Demo application</b>
		<ul>
			<li>
			Zlib : replaced zlib.rc and zlib.def &lt;Tuncer M. Ayaz&gt;.
			<li>
			Demo: new tools, histogram, palette, replaced xshadebutton with xtargetbutton.
			<li>
			Updated LIBPNG to 1.2.4
			<li>
			LibTIFF::tiff_read.c::ln188: commented to decode strange images, it's not 
			dangerous.
			<li>
			LibTIFF small changes to compile under linux (tiff_xfile.cpp, tiff_jpeg.c, 
			tiff_ojpeg.c, tiffiop.h)
			<li>
			LibJPEG : small changes to compile under linux (jmorecfg.h)
			<li>
				Added project for DLL build and console applications.</li>
		</ul>
		<hr>
		<h3></h3>
		<h3>Version 5.10, 23 - Sep - 2002</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
			CxImageGIF : restored lzw algorithm. &lt;Olivier Ansquer&gt;
			<li>
			CxImageTIFF : added support for CIELAB images.
			<li>
			CxImageTGA : fixed problem decoding corrupted files.
			<li>
				CxImageBMP: fixed problem with os2 and 16bit images &lt;Cui Ying Jie&gt;</li>
		</ul>
		<p><b>Changes and major additions</b>
		</p>
		<ul>
			<li>
			New DrawText function.
			<li>
			Added iDst parameter in Resample( ) &lt;CSC&gt;
			<li>
			New SelectionToHRGN( ) and SelectionAddColor( ) &lt;elrod&gt;
			<li>
			Replaced HasAlpha with AlphaIsValid, HasSelection with SelectionIsValid, 
			HasAlphaPalette with AlphaIsValidPalette
			<li>
			New CreateFromARGB( ) &lt;Olivier Ansquer&gt;
			<li>
				Added DLL_EXP for CxImageTIF and CxImageGIF &lt;Olivier Ansquer&gt;</li>
		</ul>
		<hr>
		<h3></h3>
		<h3>Version 5.11, 29 - Sep - 2002</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
				ximadefs.h : added pragma pack(1) for BMP structures alignment with Linux 
				compilers</li>
		</ul>
		<hr>
		<h3></h3>
		<h3>Version 5.50, 07 - Jan - 2003</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
			CxImageTIF : added support for tiled images
			<li>
			CxImageTIF : faster decoding with TIFFNumberOfDirectories, instead of looping 
			&lt;Robert Abram&gt;
			<li>
			CxImageTIF : fixed stripsize check when samplesperpixel is more than 1.
			<li>
			DecreaseBpp( ) and IncreaseBpp( ) preserve info
			<li>
			Tile( ) fixed when the rectangle is not a multiple of the image dimension. 
			&lt;dock&gt;
			<li>
			Added missing casts in floating point functions &lt;Tuncer M. Ayaz&gt;
			<li>
			CxImageGIF : fixed loop counter saving animated gifs &lt;handong&gt;
			<li>
			CxImageGIF::get_byte : fixed overflow when reading corrupted images.
			<li>
			CxImageGIF::get_num_frames : fixed undefined TabCol structure.
			<li>
			CxImageGIF : a palette without white is accepted.
			<li>
			CxImageGIF : avoid byte order problems with Solaris &lt;candan&gt;
			<li>
			CxImageTGA : Encode now saves the last palette entry.
			<li>
			CxImageICO : Decode reads Bpp from the bitmapinfoheader instead of icondirentry 
			&lt;CoreyRLucier&gt;
			<li>
				CxImageJBG : fixed Encode crash when copying pixels form cximage to the decoder 
				buffer.</li>
		</ul>
		<p><b>Changes and major additions</b>
		</p>
		<ul>
			<li>
			Replaced IsAlphaPaletteEnabled with AlphaPaletteIsEnabled, AlphaIsValidPalette 
			with AlphaPaletteIsValid, GetSelectionBox with SelectionGetBox
			<li>
			New SplitCMYK( ), GetPixelGray( ), AlphaPaletteSplit( )
			<li>
			Added the bLocalColorMap parameter to CxImageGIF::Encode, for animated gifs 
			with local palettes
			<li>
			New AlphaSet(CxImage &amp;from): creates the alpha channel from a gray scale 
			image.
			<li>
			One or more images can be appended directly to a TIF file, using 
			CxImageTIF::Encode(file,true); or Encode(hFile,pImages,pagecount) &lt;RJ&gt;
			<li>
			Fast RotateLeft( ) and RotateRight( ) for BW images &lt;Robert Abram&gt;
			<li>
			SetPixelColor( ) and GetPixelColor( ) handle alpha in RGBQUAD::rgbReserved.
			<li>
			IncreaseBpp is faster for conversion to 4 and 8 bpp, AlphaPalette converted to 
			an alpha channel for conversion to 24 bpp.
			<li>
			info.nProgress updated in the dsp and transformation functions &lt;Anatoly 
			Ivasyuk&gt;.
			<li>
			New info.dwEncodeOption parameter to select the compression scheme for GIF and 
			TIF.
			<li>
			New CxImageWMF::Decode parameters: nForceWidth,nForceHeight to force the final 
			dimension of the image.
			<li>
			CxImageJ2K::Encode : new formula for compression rate, so the quality for j2k 
			and jpg are similar.
			<li>
				Added CXIMAGE_FORMAT_UNKNOWN for automatic image type detection.</li>
		</ul>
		<p><b>Project - Libraries - Demo application</b>
		</p>
		<ul>
			<li>
			Fixed exception in DlgHisto
			<li>
			CQuantize handles palettes with alpha information
			<li>
				better dump of the memory leaks &lt;dave&gt;</li>
		</ul>
		<hr>
		<h3></h3>
		<h3>Version 5.51, 19 - Jan - 2003</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
				fixed GDI leak in CxImage::Draw when pClipRect is not null &lt;Carsten Leue&gt;</li>
		</ul>
		<b>Project - Libraries - Demo application</b>
		<ul>
			<li>
			Updated LIBPNG to 1.2.5 &lt;Tuncer M. Ayaz&gt;
			<li>
				added jpeg_reset_huff_decode function in jpeg\jdhuff.c for the broadest 
				possible support for OJPEG files<br>
				(implemented by Scott Marovich at HP &lt;marovich(at)hpl(dot)hp(dot)com&gt;)<br>
				jpeg\jdmarker.c : line 204 and 261 allow SOI and SOF duplicate only if 
				cinfo-&gt;global_state == DSTATE_INHEADER<br>
			(should be illegal, but OJPEG files have an illegal structure &lt;DP&gt;)
			<li>
				tiff\tif_jpeg.c from line 673 to line 697 : avoid sampling factors check 
				&lt;DP&gt;</li>
		</ul>
		<hr>
		<h3>Version 5.53, 27 - Jan - 2003</h3>
		<p><b>Changes and major additions</b>
		</p>
		<ul>
			<li>
			New functions: CreateFromHICON
			<li>
				Replaced SetPaletteIndex with SetPaletteColor and GetRGB with GetPaletteColor</li>
		</ul>
		<b>Project - Libraries - Demo application</b>
		<ul>
			<li>
			Demo : fixed GDI leak in LineDDAProc &lt;jh&gt;
			<li>
			jpeg\jdcolor.c, line 384 changed to permit null conversion if the output space 
			is undefined (OJPEG) &lt;DP&gt;
			<li>
				tiff\tif_ojpeg.c from line 1374 to line 1407 : avoid sampling factors check 
				&lt;DP&gt;</li>
		</ul>
		<hr>
		<h3>Version 5.55, 17 - Feb - 2003</h3>
		<p><b>Changes and major additions</b>
		</p>
		<ul>
			<li>
			fixed bug in CreateFromARGB &lt;Olivier Ansquer&gt;
			<li>
			CxImageTGA::Decode flips the alpha channel when required &lt;lioucr&gt;
			<li>
				CxImageGIF::DecodeExtension, fixed problem when extension information is more 
				than 3 bytes. &lt;TomPeakz&gt;</li>
		</ul>
		<b>Project - Libraries - Demo application</b>
		<ul>
			<li>
				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&lt;DP&gt;</li>
		</ul>
		<hr>
		<h3></h3>
		<h3>Version 5.60, 09 - Mar - 2003</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
			CxImagePNG read/save DPI
			<li>
				SelectionAddRect computes correctly info.rSelectionBox &lt;arnold 
				wittenberg&gt;</li>
		</ul>
		<b>Changes and major additions</b>
		<ul>
			<li>
			better RGB2GRAY macro &lt;dave&gt;
			<li>
			new functions: HistogramStretch( ), HistogramEqualize( ), HistogramNormalize( 
			), HistogramRoot( ), HistogramLog( ) &lt;dave&gt;
			<li>
			GetPixelColor returns the color of the top-left pixel when the coordinates are 
			out of the image and no background color is selected
			
  <li> new function: Contour( ) 
  <li>
			new bicubic spline interpolation for Resample( )
			<li>
				Faster GetNearestPixel( ) &lt;RJ&gt;</li>
		</ul>
		<b>Project - Libraries - Demo application</b>
		<ul>
			<li>
				Demo: fixed "move" tool</li>
		</ul>
		<hr>
		<h3></h3>
		<h3>Version 5.61, 10 - Mar - 2003</h3>
		<b>Bugfixes</b>
		<ul>
			<li>
				fixed SplitXYZ and floating point constants in ximadsp.cpp &lt;???&gt;</li>
		</ul>
		<HR>
		<H3></H3>
		
<H3>Version 5.70, 19 - Apr - 2003</H3>
		
<B>Bugfixes</B> 
<UL>
  <LI> fixed&nbsp;RGB2GRAY&nbsp;macro &lt;H. Muelner&gt; &lt;jurgene&gt; 
  <LI> SelectionAddPolygon and SelectionAddColor&nbsp;compute correctly info.rSelectionBox 
  <LI>fixed SelectionAddPolygon when the polygon touches the image borders. 
  <LI> fixed EXIF reader 
  <LI> fixed CxImageGIF::DecodeExtension</LI>
  <LI>CxImageTIF::EncodeBody : better error handling, and switch for different 
    compression tags. </LI>
  <LI>CImageIterator : fixed friend declaration in ximaiter.h, line 37 &lt;gazzivan&gt;</LI>
  <LI>fixed DPI default values in CreateFromHANDLE</LI>
  <LI>CxImageBMP now reads OS2 bitmaps</LI>
  <LI>fixed cast problem in Histogram functions &lt;Tuncer M. Ayaz&gt;</LI>
  <LI>fixed&nbsp;memory corruption in RotateLeft( ) RotateRight( ) for 1 bpp images. 
    &lt;Stroupe David R&gt;</LI>
</UL>
<B>Changes and major additions</B> 
<UL>
  <LI> New MakeBitmap(hdc) implementation&nbsp;when hdc is 0 &lt;jaslet&gt; 
  <LI> Light( ) : shifted down the contrast parameter so that the neutral value 
    is 0. 
  <LI> New filters: Jitter( ), Skew( )</LI>
  <LI>Negative( ) moved in BASICTRANSFORMATIONS</LI>
</UL>
<B>Project - Libraries - Demo application</B> 
<UL>
  <LI> New CxImageCrtDll.dsp project, to build a dll without mfc &lt;Anatoly Ivasyuk&gt; 
  <LI>fixed bug in Window/Duplicate with no image in the document. &lt;corwinkrisw&gt;</LI>
  <LI>\jpeg\jdmarker.c line 1091 : skip check for unknown marker, to decode partially 
    corrupted files.</LI>
</UL>
		
<h3></h3>
<h3>Version 5.71, 25 - Apr - 2003</h3>
<b>Changes and major additions</b> 
<ul>
  <li> new formats: JP2, JPC, PGX, PNM, RAS (through JasPer)
  <li>new functions: Set/GetFlags( ), LayerCreate( ), LayerDelete( ), LayerDeleteAll( 
    ), GetLayer( ), GetParent( ), GetNumLayers( ) 
</ul>
<b>Project - Libraries - Demo application</b> 
<ul>
  <li> New C library : JasPer 1.700.2
</ul>
		<hr>
		<h3>PEOPLE:</h3>
		&lt;DP&gt; : Davide Pizzolato 
		&lt;ing(dot)davide(dot)pizzolato(at)libero(dot)it&gt;<br>
		&lt;TRK&gt; : Troels Knakkergaard &lt;TRK(at)lyngsoe(dot)com&gt;<br>
		&lt;Brian R(dot) Zielinski&gt; : Brian R(dot) Zielinski 
		&lt;brianz(at)digital(dot)risserimaging(dot)com&gt;<br>
		&lt;Kurt Diesch&gt; : Kurt Diesch &lt;kdiesch(at)enjoysoft(dot)com&gt;
		<br>
		&lt;F. Livraghi &gt; : Francesco Livraghi &lt;info(at)ceccoing(dot)it&gt;<br>
		&lt;Steve McMahon&gt; : Steve McMahon 
		&lt;steve(at)dogma(dot)demon(dot)co(dot)uk&gt;<br>
		&lt;Tuncer M. Ayaz&gt; : Tuncer M. Ayaz &lt;tuncer(dot)ayaz(at)gmx(dot)de&gt;<br>
		&lt;Kirk&gt; : Kirk Korver &lt;kirk(at)the-right-stuff(dot)com&gt;<br>
		&lt;Qiang&gt; : Qiang Liu &lt;liuq(at)ee(dot)washington(dot)edu&gt;<br>
		&lt;Patrick Hoffmann&gt; : Patrick Hoffmann &lt;hoffmann(at)novacom(dot)net&gt;<br>
		&lt;Wil Stark&gt; : Wil Stark &lt;wil_stark(at)agilent(dot)com&gt;<br>
		&lt;DIH&gt; : Dominic I. Holmes 
		&lt;DIH(dot)Junk(at)DigitalFormation(dot)com&gt;<br>
		&lt;Henrik Stellmann&gt; : Henrik Stellmann 
		&lt;henrik(dot)stellmann(at)volleynet(dot)de&gt;<br>
		&lt;Ranger&gt; : Ranger &lt;RangerMail(at)mail(dot)ru&gt;<br>
		&lt;Jeff Hu&gt; : Jeff Hu &lt;v120160(at)yahoo(dot)com(dot)tw&gt;
		<br>
		&lt;MTA&gt; : Matthew Armstrong &lt;ArmstroM(at)faro(dot)com&gt;<br>
		&lt;REC&gt; : Robert Edward Caldecott &lt;rec(at)kerridge(dot)com&gt;<br>
		&lt;RG&gt; : Roberto Guerzoni 
		&lt;r(dot)guerzoni(at)infomotion(dot)mo(dot)it&gt;
		<br>
		&lt;MKVY&gt; : Murali Krishna V Yelchuru 
		&lt;muralikrishnayv(at)yahoo(dot)com&gt;<br>
		&lt;Rogier&gt; Rogier Reedijk &lt;xs4free(at)wish(dot)net&gt;
		<br>
		&lt;Rob Cass&gt; : Rob Cass &lt;rcass(at)compusult(dot)nf(dot)ca&gt;<br>
		&lt;DJT&gt; : Dave Turnbull (Camel) &lt;dave(at)camel(dot)co(dot)uk&gt;<br>
		&lt;JA&gt; : J�rgen Alfredsson &lt;jorgen(dot)alfredsson(at)kamera(dot)com&gt;
		<br>
		&lt;Mpwolski&gt; : Mwolski &lt;mpwolski(at)hotmail(dot)com&gt;<br>
		&lt;CSC&gt; : Chris Shearer Cooper &lt;cscooper(at)frii(dot)com&gt;<br>
		&lt;Abe&gt; : Abe &lt;God(dot)bless(at)marihuana(dot)com&gt;
		<br>
		&lt;Ole Lange&gt; : Ole Lange &lt;ol(at)ams-soft(dot)de&gt;<br>
		&lt;vho&gt; : Volker Horch &lt;vhorch(at)gmx(dot)de&gt;<br>
		&lt;Kwyshell&gt; : Kwyshell &lt;kwyshell(at)yahoo(dot)com(dot)tw&gt;
		<br>
		&lt;Flanders&gt; : Flanders 
		&lt;flanders(at)2moors(dot)freeserve(dot)co(dot)uk&gt;
		<br>
		&lt;Anatoly Ivasyuk&gt; : Anatoly Ivasyuk &lt;aivasyuk(at)dtlink(dot)com&gt;<br>
		&lt;T.Peck&gt; : T. Peck &lt;tpeck(at)roundwave(dot)com&gt;<br>
		&lt;Koray Ge�ici&gt; : Koray Ge�ici &lt;kgecici(at)tam(dot)net(dot)tr&gt;<br>
		&lt;Olivier Ansquer&gt; : Olivier Ansquer 
		&lt;olivier(dot)ansquer(at)freesbee(dot)fr&gt;<br>
		&lt;elrod&gt; : Mark B. Elrod &lt;elrod(at)bluedoor(dot)com&gt;<br>
		&lt;Cui Ying Jie&gt; : Cui Ying Jie &lt;cuiyj(at)163(dot)net&gt;
		<br>
		&lt;dock&gt; : dock &lt;dock(at)cmmail(dot)com&gt;<br>
		&lt;handong&gt; : handong &lt;jhandong(at)netian(dot)com&gt;
		<br>
		&lt;candan&gt; : candan &lt;candan(at)mail(dot)pagic(dot)net&gt;<br>
		&lt;RJ&gt; : Roger Jane &lt;roger(dot)jane(at)microtest(dot)co(dot)uk&gt;<br>
		&lt;Robert Abram&gt; : Robert Abram &lt;robert(dot)abram(at)prgx(dot)com&gt;<br>
		&lt;dave&gt; : dave(at)posortho(dot)com<br>
		&lt;CoreyRLucier&gt; : CoreyRLucier(at)aol(dot)com<br>
		&lt;Carsten Leue&gt; : carsten(dot)leue(at)iwr(dot)uni-heidelberg(dot)de<br>
		&lt;jh&gt; : jh &lt;jhprivate(at)fescomail(dot)net&gt;<br>
		&lt;lioucr&gt; : lioucr &lt;lioucr(at)yahoo(dot)ca&gt;<br>
		&lt;TomPeakz&gt; : TomPeakz &lt;topman(at)vip(dot)sina(dot)com&gt;
		<br>
		&lt;arnold wittenberg&gt; : Arnold Wittenberg 
		&lt;a(dot)wittenberg(at)eramco(dot)nl&gt;<BR>
		&lt;H. Muelner&gt; : Helmut Muelner &lt;hmuelner(at)iicm(dot)edu&gt;<BR>
		&lt;jurgene&gt; : J�rgen Eidt &lt;jurgene(at)hotmail(dot)com&gt;<BR>
		&lt;W. Morrison&gt; : William Morrison &lt;Bill(at)rosinante(dot)com&gt;<BR>
&lt;jaslet&gt; : Bertrand Jaslet &lt;jaslet(at)hotmail(dot)com&gt; <br>
&lt;corwinkrisw&gt; : corwinkrisw &lt;corwinkrisw(at)yahoo(dot)com&gt; <br>
&lt;gazzivan&gt; : gazzivan &lt;gazzivan(at)libero(dot)it&gt; <br>
&lt;Stroupe David R&gt; : Stroupe David R (x5011) &lt;David(dot)Stroupe(at)siemens(dot)com&gt; 
<br>
		<p>
			<hr>
		<p align="right"><font size="2"><em>Updated 27. jan. 2003 00:00 by Davide Pizzolato 
					&lt;ing(.)davide(.)pizzolato(at)libero(.)it&gt;</em></font></p>
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Written By
Davide Pizzolato
Italy Italy
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Posted 11 Aug 2001

Article Copyright 2001 by Davide Pizzolato
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