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ImageConverter.dll, imgcnvrt.dll - graphic format converters

OS: Windows(XP/2000/2003/VISTA/7)
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$99,99 File size: 1.8 MB

What is DLL?

DLL is an abbreviation for Dynamic Link Library. DLLs are shared files (ie several programs need them in order to run) and they can contain programming resources such as functions, code, icons, data, etc.

What is COM-DLL?

COM (Component Object Model) is technology for Microsoft's OLE (compound documents) and ActiveX (Internet-enabled components) and it is platform-independent. Generally, it defines interfaces on an object, and allows objects to interact across process and computer boundaries.


ImageConverter.dll, imgcnvrt.dll


These DLL files contain a function that allows you to convert, resize and rotate images. The library consists of 2 files: ImageConverter.dll - the usual regular DLL file; imgcnvrt.dll - COM DLL file.
 

INPUT IMAGE FORMATS

OUTPUT IMAGE FORMATS
Bitmaps: BMP,DIB,RLE
CompuServe GIF: GIF
JPEGs: JPG,JPEG,JPE,JFIF,JIF
JPEG2000: JP2,J2C,J2K,JPC
Photodhop: PSD
Portable Bitmaps: PBM,PGM,PPM,PXM
Portable Network Graphics: PNG
Targa: TGA,VDA,ICB,VST
TIFFs: TIF,TIFF,FAX,G3N,G3F
Windows Cursor: CUR
Windows Enhanced Metafile: EMF
Windows Icon: ICO
Windows Metafile: WMF
Wireless Bitmap: WBMP
ZSoft Paintbrush: PCX,DCX
 Adobe Acrobat: PDF
Bitmaps: BMP
CompuServe GIF: GIF
JPEGs: JPG
JPEG2000: JP2,J2K
Portable Bitmaps: PXM
Portable Network Graphics: PNG
Targa: TGA
TIFFs: TIF
Windows Icon: ICO
Wireless Bitmap: WBMP
ZSoft Paintbrush: PCX,DCX

SYNTAX

DLL file contains a single function:

 

ConvertImage(FN1: PCHAR; FN2:PCHAR; NewWidth:integer; NewHeight:integer; Rotation:integer; Photometric:integer; Compression:integer; Page:integer);

FN1 - source filename with full path;
FN2 - destination filename with full path;
NewWidth, NewHeight - new image dimensions for resizing. To skip resizing set both parameters to 0. To resize maintaining aspect ratio: parameter NewWidth must be set to the longest side of the new image (width or height), and the parameter NewHeight should be set to 0.
Rotation: 0-skip rotation; 1-rotate left; 2-rotate right; 3-rotate 180 degrees; 4-automatic rotation according to EXIF_orientation tag (for JPEG or TIFF only). After rotation is finished, the value of EXIF_orientation tag (if it exists) will be reset to 0.
Photometric - this option is effective, if destination format is JPEG, JPEG2000 or TIFF.
Compression - this option is effective, if destination format is JPEG, JPEG2000 or TIFF.
Page - this option is effective, if multipage TIFF file is specified as source file. It can be used to specify the page to be converted. If Page=0 then all pages of multipage TIFF will be converted to set of files. For multipage TIFF files a string "-page-X" will be added to output filenames automatically. Say, when converting a multipage TIFF file "test.tiff" to "test.jpg" a set of files "test-page-1.jpg", "test-page-2.jpg" etc... will be created.

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