Metafile (WMF, EMF) – is the universal format of vector graphic files, that makes an integral part of Windows operation system. That is why Windows API offers a wide set of options for this vector format creation, reading, writing, displaying. It’s a pity but quality of the image displayed (rasterized) with the help of the PlayMetaFile/PlayEnhMetaFile function does not always satisfy independent developers.

The MFRasterizer Library helps to significantly increase quality of your Windows metafiles (WMF, EMF) displayed in your programs. Usage of the smoothing (antialiasing) algorithm while rasterizing vector images, helps to eliminate “steps” at the borders of polygons. The additional feature of MFRasterizer Library is availability of image scale and rotation parameters that allows for example to use Windows vector metafiles (WMF, EMF) for geographical maps systems developing.

Comparison of vector image rasterization

To enlarge screenshot

Comparison of text rasterization

MFRasterizer Library for Windows metafiles (WMF, EMF) rasterization is promoted in DEMO version. You can use the DEMO version of MFRasterizer Library for your programs developing but if you are going to use or to sell them you have to acquire the license.

Commercial License This license allows MFRasterizer Library to be used by a company in one software product	$999
Corporate License This license allows MFRasterizer Library to be used by a company in any software products	$2999

Purpose of MFRasterizerFile function is to provide simple and quality Windows metafiles (WMF, EMF) rasterization in your programs. Input parameters of the function are rasterization parameters and full path to metafile. Returns TRUE if completed successfully.

There are two versions of this function. One is to be used for metafile path in ANSI encoding; the other one is to be used for metafile path in UNICODE.

bool MFRasterizerFile(
   HDC           hDC,
   char*         pcFilename,
   RECT*         pRect,
   unsigned char bTransparency,
   bool          bProp,
   double        dAngle
);

bool MFRasterizerFileW(
   HDC           hDC,
   wchar_t*      pwcFilename,
   RECT*         pRect,
   unsigned char bTransparency,
   bool          bProp,
   double        dAngle
);    

MFRasterizer function is designed for the most effective usage of Windows metafiles (WMF, EMF) rasterization library. Metafile descriptor is used as an input parameter. It is also possible to set parameters for the image to be enlarged while being rasterized. Returns TRUE if completed successfully.

bool MFRasterizer(
   HDC           hDC,
   HENHMETAFILE  hMetafile,
   RECT*         pRect,
   unsigned char bTransparency,
   double        dAngle,
   double        dX1,
   double        dY1,
   double        dX2,
   double        dY2
);		

MFRasterizer Library for Windows metafiles (WMF, EMF) rasterization is developed with the help of the graphic library Anti-Grain Geometry (AGG).