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<!doctype HTML PUBLIC "-//IETF//DTD HTML//EN">
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<head>
<title>History</title>
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<body>
<h2>History of Changes</h2>
<h3 dir="ltr">
CVS (04/Apr/2011)</h3>
<ul dir="ltr">
<li dir="ltr"><span class="hist_new">New:</span><span style="color: #008000"><span
style="color: #000000">
function <strong>imImageMergeAttributes.</strong></span></span></li>
<li dir="ltr"><span style="color: #008000">
<span
style="color: #000000">
<span class="hist_fixed">Fixed:</span> support for alpha with gray
images in SGI format.</span></span></li>
<li dir="ltr"><span style="color: #008000">
<span
style="color: #000000">
<span class="hist_fixed">Fixed:</span> </span></span><strong>
imProcessMultipleMean</strong> when source images were data type byte.</li>
</ul>
<h3 dir="ltr">
<a href="http://sourceforge.net/projects/imtoolkit/files/3.6.3/">Version
3.6.3</a> (09/Nov/2010)</h3>
<ul dir="ltr">
<li dir="ltr"><span class="hist_new">New:</span><span style="color: #008000"><span
style="color: #000000">
function </span></span><strong>imImageCreateFromOpenGLData</strong>.</li>
<li dir="ltr">
<span class="hist_changed">Changed:</span> the function <strong>
imConvertPacking</strong> now has one more parameter so src_depth can be
different from dst_depth.</li>
<li dir="ltr">
<span style="color: #008000">
<span
style="color: #000000">
<span class="hist_fixed">Fixed:</span> </span></span><strong>
imImageGetOpenGLData</strong> for some configurations.</li>
<li dir="ltr"><span style="color: #008000">
<span
style="color: #000000">
<span class="hist_fixed">Fixed:</span> write support for alpha in TGA
format. (Thanks to Nicolas Noble)</span></span></li>
</ul>
<h3 dir="ltr">
<a href="http://sourceforge.net/projects/imtoolkit/files/3.6.2/">Version 3.6.2</a> (22/Jun/2010)</h3>
<ul dir="ltr">
<li dir="ltr"><span class="hist_new">New:</span><span style="color: #008000"><span
style="color: #000000">
function <strong>imVideoCaptureReleaseDevices</strong>.</span></span></li>
<li dir="ltr">
<span class="hist_changed">Changed:</span> ICON format now supports
writing up to 10 images.</li>
<li dir="ltr">
<span class="hist_changed">Changed:</span>
replaced old "arg" usage for "..." to improve better compatibility with
LuaJIT.</li>
<li dir="ltr">
<span class="hist_changed">Changed:</span>
control of LOHs inclusion moved from the source code to the makefile.</li>
<li dir="ltr">
<span class="hist_changed">Changed:</span>
removed compatibility with require"imlua51", now LuaBinaries must be used
or LUA_CPATH must be set.</li>
<li dir="ltr">
<span class="hist_changed">Changed:</span> added compatibility with Lua
5.2.</li>
<li dir="ltr">
<span class="hist_fixed">Fixed:</span><span style="color: #008000"><span
style="color: #000000"> image:<strong>HasAlpha</strong>() method in
Lua was returning a number instead of a boolean, so <strong>im</strong>.<strong>ImageCreateBased</strong>
was adding an alpha channel to all new images.</span></span></li>
</ul>
<h3 dir="ltr">
<a href="http://sourceforge.net/projects/imtoolkit/files/3.6.1/">Version 3.6.1</a> (23/Apr/2010)</h3>
<ul dir="ltr">
<li dir="ltr"><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> invalid memory access in <strong>
imProcessResize</strong> when one dimension is equal to the original.</span></span></li>
<li dir="ltr"><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> <strong>imProcessCompose</strong> parameter
parsing in Lua.</span></span></li>
<li dir="ltr"><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> invalid memory access when saving an image
with the JPEG 2000 format.</span></span></li>
</ul>
<h3 dir="ltr">
<a href="http://sourceforge.net/projects/imtoolkit/files/3.6/">Version 3.6</a> (26/Jan/2010)</h3>
<ul dir="ltr">
<li><span class="hist_new">New:</span> function <strong>
imImageCopyPlane</strong>.</li>
<li><span class="hist_new">New:</span> function <strong>
imProcessCompose</strong>.</li>
<li><span class="hist_new">New:</span> function <strong>
imImageSetAlpha</strong>.</li>
<li dir="ltr">
<span class="hist_changed">Changed:</span> libTIFF downgraded to version
3.8.2 because of the JPEG support in TIFF not working on the newer
versions.</li>
<li dir="ltr">
<span class="hist_changed">Changed:</span>
<span style="color: #008000"><span
style="color: #000000"> included alpha support in <strong>
imProcessSplitComponents</strong> and <strong>imProcessMergeComponents</strong>.
Included alpha support in all geometric and size operations.</span></span></li>
<li dir="ltr"><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> invalid memory access in <strong>
imAnalyzeFindRegions</strong> when more than 16k regions where found.</span></span></li>
<li dir="ltr"><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> memory leak in <strong>imFileOpen</strong>.</span></span></li>
<li dir="ltr"><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> alpha support in image:<strong>CopyPlane</strong>()
and in channel indexing in Lua.</span></span></li>
<li dir="ltr"><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> incomplete initialization of the array in
<strong>imAnalyzeMeasureArea</strong>.</span></span></li>
<li dir="ltr"><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> <strong>imProcessRemoveByArea</strong>
inside/outside logic.</span></span></li>
</ul>
<h3 dir="ltr">
<a href="http://sourceforge.net/projects/imtoolkit/files/3.5/">Version 3.5</a> (02/Oct/2009)</h3>
<ul>
<li><span class="hist_new">New:</span> functions <strong>
imProcessUnsharp</strong> and <strong>imProcessSharp</strong>.</li>
<li><span class="hist_new">New:</span> function <strong>
imImageGetOpenGLData</strong>.</li>
<li><span class="hist_new">New:</span> functions <strong>
im.ConvertDataTypeNew</strong>, <strong>im.ConvertColorSpaceNew</strong>
and <strong>im.ConvertToBitmapNew</strong> in Lua.</li>
<li><span class="hist_new">New:</span> file attributes
"FileFormat", "FileCompression" and "FileImageCount" when reading from
file. Available for all formats.</li>
<li><span class="hist_new">New:</span> ASCII compression for RAW
format to access text data instead of binary.</li>
<li><span class="hist_changed">Changed:</span> libPNG updated to version
1.2.39. Removed changes to the library that made it incompatible with other
libPNG distributions.</li>
<li><span class="hist_changed">Changed:</span> libLZF updated to
version 3.5.</li>
<li><span class="hist_changed">Changed:</span> libJPEG updated to
version 7.</li>
<li><span class="hist_changed">Changed:</span> libEXIF updated to version 0.6.17.</li>
<li><span class="hist_changed">Changed:</span> libTIFF updated to version
3.9.1.</li>
<li><span class="hist_changed">Changed:</span> library im_fftw3 to use
an external library.</li>
<li><span class="hist_changed">Changed:</span><span style="color: #008000"> <span
style="color: #000000"> <strong>imImageCreateBased</strong> and
<strong>imConvertColorSpace</strong> now also
consider the alpha plane.</span></span></li>
<li><span class="hist_changed">Changed:</span><span style="color: #008000"> </span><strong>imProcessPrune</strong>
renamed to <strong>imProcessRemoveByArea</strong>, and added a new
parameter to select inside or outside the interval.</li>
<li><span class="hist_changed">Changed:</span><span style="color: #008000"> </span>removed IM_UN_INC operation from <strong>imProcessUnArithmeticOp</strong>.
It was not an unary operation. Can simply be done in place by <strong>
imProcessArithmeticOp</strong> and IM_BIN_ADD. </li>
<li><span class="hist_changed">Changed:</span><span style="color: #008000"> </span>now<strong> imProcessUnArithmeticOp</strong>,
<strong>imProcessArithmeticConstOp</strong> and <strong>
imProcessArithmeticOp</strong> willl crop the result to 0-255 if destiny
has data type byte.</li>
<li><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> PNG attribute TransparencyIndex. new PNG
attribute TransparencyMap. TransparentColor renamed to
TransparencyColor.</span></span></li>
<li><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> invalid convertion from MAP to GRAY when
loading <strong>imImages</strong>.</span></span></li>
<li><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> new image size computation of <strong>im.ProcessCropNew</strong>
in Lua.</span></span> </li>
<li><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> loading of RAW data.</span></span></li>
<li><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> <strong>imImageClear</strong> to initialize
data just like <strong>imImageCreate</strong> does. </span></span></li>
<li><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> <strong>imImageReshape</strong> when the
image has an alpha plane. Image is not cleared anymore. </span></span></li>
<li><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> boolean parameters in <strong>
file:ReadImageData, im.ConvertDataType, im.ConvertToBitmap, im.ProcessSplitComplex,
im.ProcessQuantizeRGBUniform, im.ProcessBitPlane, im.ProcessRotateRef,
im.ProcessRotate90, im.ProcessBinMorphConvolve, im.ProcessMergeComplex,
im.CalcHistogram, im.CalcGrayHistogram </strong>and <strong>
im.AnalyzeFindRegions</strong> in Lua. Changed <strong>im.Capture*</strong>
functions to use boolean values in Lua.</span></span></li>
<li><span style="color: #008000"><span class="hist_fixed">Fixed:</span><span
style="color: #000000"> RAW format initialization.</span></span></li>
</ul>
<h3 dir="ltr">
<a href="http://sourceforge.net/projects/imtoolkit/files/3.4.2/">Version 3.4.2</a> (26/Jun/2009)</h3>
<ul>
<li><span class="hist_changed">Changed:</span>
removed "lua5.1.so" dependency in UNIX.</li>
<li><span class="hist_fixed">Fixed:</span> AVI format when reading 32
and 16 bpp frames.</li>
<li><span class="hist_fixed">Fixed:</span> xmin and ymin check in
im.ProcessCrop and in im.ProcessInsert in Lua.</li>
</ul>
<h3 dir="ltr"><a href="http://sourceforge.net/projects/imtoolkit/files/3.4.1/">Version 3.4.1</a> (15/Dec/2008)</h3>
<ul>
<li><span class="hist_changed">Changed:</span> function <strong>
imColorHSI_Smax</strong> removed from public, now it is used only
internally. HSI space now uses S already normalized between 0-Smax.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>imColorHSI2RGB</strong>
conversion.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>imConvertDataType</strong>
when converting a floating point to integer, there were rounding problems.</li>
<li><span class="hist_fixed">Fixed:</span> loading and saving two or more files of the same format at the same time.</li>
</ul>
<h3 dir="ltr"><a href="http://sourceforge.net/projects/imtoolkit/files/3.4/">Version 3.4</a> (14/Oct/2008)</h3>
<ul>
<li><span class="hist_new">New:</span> imlua_avi, imlua_wmv and imlua_jp2 libraries so the
respective formats can be dynamically loaded
using require.</li>
<li><span class="hist_changed">Changed:</span>
<strong>
<span style="color: #FF0000">IMPORTANT</span></strong> -
the "imlua_cd" library moved from IM to CD under the name "cdluaim".</li>
<li><span class="hist_changed">Changed:</span>
<strong>
<span style="color: #FF0000">IMPORTANT</span></strong> - the support services
(Downloads, Mailing List and CVS) moved from LuaForge to SourceForge.</li>
<li><span class="hist_changed">Changed:</span> All dll8 and dll9 DLLs now
have a Manifest file that specifies the correct MSVCR*.DLL.</li>
<li><span class="hist_changed">Changed:</span>
Makefiles for UNIX now uses a compact version of Tecmake that does not need
any installation, just type "make".</li>
<li><span class="hist_changed">Changed:</span> premake files are used now
only internally and were removed from the distribution.</li>
<li><span class="hist_changed">Changed:</span>
Copyright notice modified to reflect the registration at INPI (National
Institute of Intellectual Property in Brazil). License continues under the
same terms.</li>
<li><span class="hist_fixed">Fixed:</span> reviewed and fixed the parameter
checking of all IMLua processing functions. Also reviewed all IMLua
parameter checking. Thanks to Lucas Lorensi.</li>
<li><span class="hist_fixed">Fixed:</span> loading of TIFF format with
old JPEG compression.</li>
<li><span class="hist_fixed">Fixed:</span> loading and saving of PNM
format when data in textual format and gray values are greatter than 255.</li>
<li><span class="hist_fixed">Fixed:</span> Bicubic and Zero order
interpolation for all geometric operations for pixels near the image border
when increasing image size.</li>
<li><span class="hist_fixed">Fixed:</span> Lua samples.</li>
<li><span class="hist_fixed">Fixed:</span> ICON format in 64 bits Linux.</li>
</ul>
<h3 dir="ltr">Version 3.3 (26/Nov/2007)</h3>
<ul>
<li><span class="hist_new">New:</span> read support for ECW using the
ERMapper ECW JPEG 2000 SDK.</li>
<li><span class="hist_changed">Changed:</span> libTIFF updated to version
3.8.2.</li>
<li><span class="hist_changed">Changed:</span> libPNG updated to version
1.2.22.</li>
<li><span class="hist_changed">Changed:</span> libJasper updated to
libGeoJasper 1.4.0 (using Jasper version 1.900.1). Better support for
counter progress, Geo tags and several speed improvements. New GeoTIFFBox
and XMLPacket attributes.</li>
<li><span class="hist_changed">Changed:</span> renamed macro <b>imPutImage</b>
to <b>imcdCanvasPutImage</b>, and added canvas as the first parameter. </li>
<li><span class="hist_changed">Changed:</span> renamed
the <b>imImage</b> Lua
methods to <i><strong>image</strong></i><b>:cdCanvasPutImageRect</b>, <i>
<strong>image</strong></i><b>:wdCanvasPutImageRect</b>
and <i><strong>image</strong></i><b>:cdCanvasGetImage</b>, and added canvas as the first parameter. Now <i>imlua_cd</i>
depends on <i>cdlua</i> from CD version 5.0.</li>
<li><span class="hist_changed">Changed:</span> metatable names in Lua are
now the same as the C struct names.</li>
<li><span class="hist_changed">Changed:</span> new read EXIF tags support
in TIFF format (no write support yet). Renamed attributes "GeoTransMatrix"
and "IntergraphMatrix", to "GeoTransformationMatrix" and "Intergraph
TransformationMatrix" for libGeoTIFF compatibility. Better support for
known TIFF tags. New support for reading one band of a multiband gray image
in TIFF format. New support for DNG files.</li>
<li><span class="hist_fixed">Fixed:</span><strong> imConvertDataType</strong>
gamma function when converting real to/from integer.</li>
<li><span class="hist_fixed">Fixed:</span><strong> </strong>small error at
the image border when resampling, rotating or other geometric operations.</li>
<li><span class="hist_fixed">Fixed:</span><strong> </strong>
<b>imProcessCanny</b> invalid division by zero when input image is all zero.</li>
<li><span class="hist_fixed">Fixed:</span><strong> </strong>
<b>imFileReadImageInfo</b> when loading MAP images with a scrambled gray
palette. They were incorrectly converted to GREY.</li>
<li><span class="hist_fixed">Fixed:</span><strong> </strong>
support for IM_ALPHA and 32 bpp in ICO format.</li>
<li><span class="hist_fixed">Fixed:</span><strong> </strong>
number of lines returned in <b>imProcessHoughLinesDraw</b>.</li>
</ul>
<h3 dir="ltr">Version 3.2 (24/Nov/2006)</h3>
<ul>
<li><span class="hist_new">New:</span> <strong>imProcessRotateRef</strong> to rotate relative to a reference point.</li>
<li><span class="hist_new">New:</span> geometric distortion <strong>imProcessSwirl</strong>.</li>
<li><span class="hist_new">New:</span> <strong>imProcessInterlaceSplit</strong>.</li>
<li><span class="hist_new">New:</span> function <strong>imGaussianKernelSize2StdDev</strong>.</li>
<li><span class="hist_new">New:</span> convolutions <strong>imProcessBarlettConvolve</strong>,
<strong>imProcessPrewittConvolve</strong>, <strong>imProcessSplineEdgeConvolve</strong>,
<strong>imProcessConvolveDual</strong> and <strong>imProcessConvolveSep</strong>. </li>
<li><span class="hist_new">New:</span> "im_kernel.h" module with simple functions to create know pre-defined kernels like sobel, laplacian, gaussian,
etc.</li>
<li><span class="hist_new">New:</span> <strong>imVideoCaptureSetInOut</strong> to control input and output in capture devices.</li>
<li><span class="hist_new">New:</span> function <strong>imBinMemoryRelease</strong> to release internal memory allocated
by the BinMemory file when saving.</li>
<li><span class="hist_new">New:</span> functions for capture device information:
<strong>imVideoCaptureDeviceExDesc</strong>, <strong>imVideoCaptureDevicePath</strong> and
<strong>imVideoCaptureDeviceVendorInfo</strong>.</li>
<li><span class="hist_new">New:</span> function <strong>imFileOpenAs</strong>
to open a file of a specific format.</li>
<li><span class="hist_new">New:</span> functions <strong>
imFormatRegisterInternal</strong> and <strong>imFormatRemoveAll</strong> to
control format registration.</li>
<li><span class="hist_changed">Changed:</span> <strong>imProcessGaussianConvolve</strong> to used separable convolution and now is stddev is negative will use its
magnitude as the kernel size. Removed Rep functions <strong>imProcessGaussianConvolveRep</strong>,
<strong>imProcessDiffOfGaussianConvolveRep</strong> and
<strong>imGaussianStdDev2Repetitions</strong>.</li>
<li><span class="hist_changed">Changed:</span> <strong>imProcessBlend</strong>
to use an image instead of a constant. Old function renamed to <strong>
imProcessBlendConst</strong>.</li>
<li><span class="hist_changed">Changed:</span> <strong>imFileHandle</strong> prototype. Now the function has an index parameter to specify which handle it should return.
index=0 is always an imBinFile* handle. Use index=1 or greater to return other internal handles that are format
dependent.</li>
<li><span class="hist_changed">Changed:</span> the Removed the include "im.h"
to not include "im_lib.h". "im_lib.h" must be included when necessary.</li>
<li><span class="hist_changed">Changed:</span> <strong>imAnalyzeMeasureArea</strong> and
<strong>imAnalyzeMeasurePerimeter</strong> prototypes to include the number of regions as a
parameter. Fixed: these functions to internally initialize the results array to zero (this was necessary and not
documented).</li>
<li><span class="hist_changed">Changed:</span> <strong>imProcessFlip</strong>
and <strong>imProcessMirror</strong> so they can be done in-place.</li>
<li><span class="hist_fixed">Fixed:</span> missing implementation of
<strong>imVideoCaptureOneFrame</strong> in Lua 5.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>imAnalyzeFindRegions</strong> when pixel is at the width-1 column.</li>
<li><span class="hist_fixed">Fixed:</span> file format identification when
<strong>TIFF</strong> identification failed was not closing the file.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>imAnalyzeMeasurePerimeter</strong> when perimeter line is at the first or last lines. Thanks to Takeshi Mitsunaga.</li>
<li><span class="hist_fixed">Fixed:</span> invalid return value in <strong>imVideoCaptureConnect</strong> in Lua 5.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>imProcessRotate</strong> for IM_MAP images.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>Lua</strong> binding of
<strong>imFileImageSave</strong>, wrong parameters order. New: image:Save(filename, format) alias for imImage
objects.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>BMP</strong> format implementation when reading and writing RGBA 32 bits images.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>imFileLoadImageFrame</strong> and
<strong>imFileLoadBitmapFrame</strong> index parameter in Lua.</li>
<li><span class="hist_fixed">Fixed:</span> alpha channel allocation in imImage.</li>
</ul>
<h3>Version 3.1 (12/Dez/2005)</h3>
<ul>
<li><span class="hist_new">New:</span> Download, Discussion List, Submission of Bugs, Support Requests and Feature Requests, are now available thanks
to the LuaForge site.</li>
<li><span class="hist_new">New:</span> Binding for Lua 5</li>
<li><span class="hist_new">New:</span> support for alpha in imImage.</li>
<li><span class="hist_new">New:</span> organization of the documentation.</li>
<li><span class="hist_new">New:</span> in ICON format the TransparencyIndex is used to for IM_MAP images without an alpha
channel.</li>
<li><span class="hist_new">New:</span> video capture functions: <strong>imVideoCaptureFormatCount</strong>,
<strong>imVideoCaptureGetFormat</strong>
and <strong>imVideoCaptureSetFormat</strong>, to access the available capture video formats.</li>
<li><span class="hist_new">New:</span> functions <strong>imFileLoadImageFrame</strong> and
<strong>imFileLoadBitmapFrame</strong> to reuse the
image data when loading.</li>
<li><span class="hist_new">New:</span> function <strong>imFileImageSave</strong>.</li>
<li><span class="hist_new">New:</span> function <strong>imImageCreateBased</strong>.</li>
<li><span class="hist_new">New:</span> <strong>imProcessInsert</strong>.</li>
<li><span class="hist_new">New:</span> compression functions <strong>imCompressDataLZF</strong> and
<strong>imCompressDataUnLZF</strong>, using
libLZF.</li>
<li><span class="hist_new">New:</span> module for imBinFile, <strong>IM_FILEHANDLE</strong> that allows to access an already opened file using the
system file handle as file name. Thanks to Frederico Abraham.</li>
<li><span class="hist_changed">Changed:</span> in JPEG file format YcbCr are now automatically converted to RGB when loaded. RGB images were already
automatically converted to YCbCr when saved. Now this behavior can be controlled by the AutoYCbCr
attribute.</li>
<li><span class="hist_changed">Changed:</span> the <strong>imAnalyzeFindRegions</strong> to include an additional parameter that control if regions
touching the border are computed or not. The function <strong>imProcessPrune</strong> now will only eliminate the
regions in the selected size range.</li>
<li><span class="hist_changed">Changed:</span> third party libraries, updated to newest versions: libExif, libTIFF, libPNG and zlib. Added OLD JPEG
support in libTIFF.</li>
<li>
<span class="hist_changed">Changed:</span> optimization flags to ON when building the library in all platforms.</li>
<li><span class="hist_changed">Changed:</span> <strong>imProcessPerimeterLine</strong>,
<strong>imAnalyzeMeasurePerimeter</strong>,
<strong>imAnalyzeMeasurePerimArea</strong>, <strong>imAnalyzeMeasureCentroid</strong> and
<strong>imAnalyzeMeasurePrincipalAxis</strong> to consider pixels that touch the borders.</li>
<li><span class="hist_changed">Changed:</span> macro name <strong>cdPutBitmap</strong> to
<strong>imPutBitmap</strong>.</li>
<li><span class="hist_changed">Changed:</span> function names imImageLoad and
<strong>imImageLoadBitmap</strong>, to
<strong>imFileImageLoad</strong> and <strong>imFileImageLoadBitmap</strong>.</li>
<li><span class="hist_fixed">Fixed:</span> overflow in <strong>imCalcImageStatistics</strong> fo IM_INT and IM_USHORT images.</li>
<li><span class="hist_fixed">Fixed:</span> error management in system file I/O in
<strong>UNIX</strong>.</li>
<li><span class="hist_fixed">Fixed:</span> some small defines for 64-bits compatibility in libExif, libPNG and libJPEG.</li>
<li><span class="hist_fixed">Fixed:</span> incorrect interpretation of 16 bit data from
<strong>PNG</strong> files.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>imFileReadImageInfo</strong> can be called many times with the same index that will return the
correct result without accessing the file again.</li>
<li><span class="hist_fixed">Fixed:</span> small bug in sample <strong>iupglcap</strong>.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>TIFF</strong> format read for images with multiple bands in ExtraSamples.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>ICON</strong> format can_sequence was 0.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>imProcessMergeHSI</strong> and
<strong>imProcessSplitHSI</strong> documentation, and
implementation for <strong>IM_BYTE</strong> images.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>imProcessRangeContrastThreshold</strong>,
<strong>imProcessLocalMaxThreshold</strong> and
<strong>imProcessRankClosestConvolve</strong> when processing near the border.</li>
<li><span class="hist_fixed">Fixed:</span> invalid file permissions in UNIX when saving a new file.</li>
<li><span class="hist_fixed">Fixed:</span> name for <strong>imProcessLocalMaxThresEstimate</strong>.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>imProcessReduceBy4</strong> for images with odd width and/or height.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>imAttribTableSet</strong> when replacing an attribute (thanks to Takeshi Mitsunaga).</li>
<li><span class="hist_fixed">Fixed:</span> memory leaks in <strong>imConvertToBitmap</strong> and
<strong>imConvertDataType</strong> (thanks to
Takeshi Mitsunaga).</li>
<li><span class="hist_fixed">Fixed:</span> <strong>imProcessZeroCrossing</strong> for the last pixel column (thanks to Takeshi Mitsunaga). Also
fixed for some crossings that were lost.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>imProcessGrayMorphConvolve</strong> for
<strong>IM_FLOAT</strong> images with
<strong>IM_FLOAT</strong> kernel (thanks to Takeshi Mitsunaga).</li>
</ul>
<h3>Version 3.0.3 (14/Oct/2004)</h3>
<ul>
<li><span class="hist_new">New:</span> Image Transform <strong>imProcessDistanceTransform</strong>.</li>
<li><span class="hist_new">New:</span> group of functions Image Analysis:
<strong>imAnalyzeFindRegions</strong>, <strong>imAnalyzeMeasureArea</strong>,
<strong>imAnalyzeMeasurePerimArea</strong>, <strong>imAnalyzeMeasureCentroid</strong>,
<strong>imAnalyzeMeasurePrincipalAxis</strong>, <strong>imAnalyzeMeasureHoles</strong>, imProcessPerimeterLine,
<strong>imAnalyzeMeasurePerimeter</strong>, <strong>imProcessPrune</strong>,
<strong>imProcessFillHoles</strong>.</li>
<li><span class="hist_new">New:</span> <strong>imConvertMapToRGB</strong> to help loading data as RGB.</li>
<li><span class="hist_new">New:</span> sample iupglcap.</li>
<li><span class="hist_new">New:</span> <strong>imProcessRenderChessboard</strong> and
<strong>imProcessRenderGrid</strong>.</li>
<li><span class="hist_changed">Changed:</span> <strong>imProcessThreshold</strong>,
<strong>imProcessRangeContrastThreshold</strong> and <strong>imProcessLocalMaxThreshold</strong> now also supports
<strong>IM_USHORT</strong> and <strong>IM_INT</strong>
data types. </li>
<li><span class="hist_changed">Changed:</span> the default color conversion to binary
so it can be done for all color spaces.</li>
<li><span class="hist_changed">Changed:</span> im_process.h to split into 4 files: im_process_pont.h,
im_process_loc.h, im_process_glo.h, im_process_ana.h. But it still
exists and includes the new files for compatibility.</li>
<li><span class="hist_changed">Changed:</span> the border extensions in several types of convolution. Rank convolution do not extend the borders. Binary
morphology use zero extension. Gray morphology do not extend the borders.</li>
<li><span class="hist_fixed">Fixed:</span> file read with bitmap conversion when original data changes only data type. </li>
<li><span class="hist_fixed">Fixed:</span> rank convolution operations that did not accept even kernel sizes.</li>
<li><span class="hist_fixed">Fixed:</span> <strong>imProcessHoughLinesDraw</strong> that was ignoring some lines.</li>
</ul>
<h3>Version 3.0.2 (25/Aug/2004)</h3>
<p>- <span class="hist_new">New:</span> utility functions <b><b>imPaletteHighContrast</b></b>, <b>
<b>imImageLoadImage</b></b> and <b>
<b>imImageLoadBitmap</b></b>. <br>
- <span class="hist_new">New:</span> operation <b><b>imProcessNormalizeComponents</b></b>.<br>
- <span class="hist_changed">Changed:</span> name <b><b>imProcessGaussianConvolve</b></b> to <b>
<b>imProcessGaussianConvolveRep</b></b>. New:
operation <b><b>imProcessGaussianConvolve</b></b> that uses a float kernel.
New: utility functions <b>
<b>imGaussianStdDev2Repetitions</b></b> and <b><b>imGaussianStdDev2KernelSize</b></b>.<br>
- <span class="hist_changed">Changed:</span> name <b><b>imProcessDiffOfGaussianConvolve</b></b> to <b>
<b>imProcessDiffOfGaussianConvolveRep</b></b>.
New: operation <b><b>imProcessDiffOfGaussianConvolve</b></b> that uses a float kernel. <br>
- <span class="hist_changed">Changed:</span> <b>IM_GAMUT_BRIGHTCONT</b>
parameters to the interval [-100,100]. Fixed: <b>
<b>IM_GAMUT_EXPAND</b></b> and <b><b>IM_GAMUT_BRIGHTCONT</b></b> normalization.<br>
- <span class="hist_changed">Changed:</span> logical operations, flag <b> <b>IM_BIT_NOT </b>
</b>replaced by operation <b><b>imProcessBitwiseNot</b></b>.<br>
- <span class="hist_changed">Changed:</span> <b>imImageSetAttribute</b> count can be -1 for zero terminated data.<br>
- <span class="hist_fixed">Fixed:</span> operations <b><b>imProcessBitwiseNot</b></b> and <b>
<b>imProcessNegative</b></b> for <b><b>IM_BINARY</b></b> images.<br>
- <span class="hist_fixed">Fixed:</span> the <b><b>color_mode_flags</b></b> parameter interpretation by <b>
<b>imFileReadImageData</b></b>.
<br>
- <span class="hist_fixed">Fixed:</span> <b>imProcessEqualizeHistogram</b> and <b>
<b>imProcessExpandHistogram</b></b> for
color images. <br>
- <span class="hist_fixed">Fixed:</span> <b>imProcessMultipleStdDev</b>.<br>
- <span class="hist_fixed">Fixed:</span> <b>imProcessDifusionErrThreshold</b> for <b>
<b>IM_GRAY</b></b> images.<br>
- <span class="hist_fixed">Fixed:</span> "<b><b>KRN</b></b>" format, internal format is topdown.<br>
- <span class="hist_fixed">Fixed:</span> initialization of TGA image_count.</p>
<h3>Version 3.0.1 (22/Apr/2004)</h3>
<p>- Improved compatibility with the old version, it was missing the load of Map images with <b>
<b>imLoadRGB</b></b>.<br>
- The FFTW code was from version 2.1.3, not from 2.1.5 as suposed, it was updated. The FFT functions were condensed in
only one file with an "#ifdef" for FFTW version 2 and 3. The FFT functions also were renamed to remove the "W" that
belongs only to the FFTW library.<br>
- The <b><b>SetAttribute</b></b> functions now accept NULL in data to remove the attribute.<br>
- New: <b><b>imProcessCrossCorrelation</b></b> and <b><b>imProcessAutoCorrelation</b></b> functions.<br>
- The <b><b>imCalcGrayHistogram</b></b> function now can calculate the histogram of <b>
<b>IM_MAP</b></b>
and <b><b>IM_BINARY</b></b> images.</p>
<h3>Version 3.0 (April 2004)</h3>
<p>A major rewrite of the library. Everything changed, check the manual, but backward compatibility is kept for old
applications. A new API more flexible, new formats, support for attributes and video, image capture and image
processing. New: color spaces and data types. The library now got a professional look for scientific applications.</p>
<h3>Version 2.6 (May 2002)</h3>
<p>Correction of bug in resolution reading and writing for format JPEG.</p>
<h3>Version 2.5 (August 2001)</h3>
<p>Correction of bug in the default GIF compression. Two new callbacks: transparency color index for GIF files and
image description for TIFF files.</p>
<h3>Version 2.4 (February 2000)</h3>
<p>Change in the treatment of LZW compression in formats TIFF and GIF. Now compression is no longer the default.</p>
<h3>Version 2.3 (June 1998)</h3>
<p>Close function of the access driver for files in memory corrected. JPEG library updated to 6b. Correction of a
problem with the reading of some JPEG files.</p>
<h3>Version 2.2 (November 1997)</h3>
<p>The definition of the counter callback was changed to inform, in a parameter, the type of access being performed,
either reading or writing. Type <strong>imCallback</strong> defined to make type casting easier when using function
<strong>imRegisterCallback</strong>. Correction of a problem with the makefile in UNIX, which was generating link
errors in some platforms.</p>
<h3>Version 2.1 (October 1997)</h3>
<p>Correction of a problem with internal memory liberation when reading Map images in TIFF files. Conversion <b>RGB to
Map</b> is now made using the algorithm implemented by LibJPEG. The algorithm of <strong>imResize</strong> was
improved for cases in which the size is being reduced instead of increased. Correction of a problem with functions
<strong>imImageInfo</strong> and <strong>imFileFormat</strong>: when the provided file was not in a format recognized
by IM, there was an error in format TGA which caused these functions to access an invalid memory area.</p>
<h3>Version 2.0 (September 1997)</h3>
<p>The library was virtually rewritten to implement a new structure which allowed greater flexibility, simplifying the
addition of new formats. Formats <strong>TGA</strong>, <strong>PCL</strong>, <strong>JPEG</strong> and <strong>LED</strong>
were added to the list of supported formats, and new functions were added: <strong>imMap2RGB</strong>, <strong>
imRGB2Gray</strong>, <strong>imMap2Gray</strong>, <strong>imResize</strong>, <strong>imStretch</strong>.</p>
<h3>Version 1.1 (June 1996)</h3>
<p>Small corrections to increase portability. Changes in return codes. Identifiers were created to return codes and
predefined parameters. Online manual concluded.</p>
<h3>Version 1.0 (October 1995)</h3>
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