Available in LEADTOOLS Vector Imaging toolkits. |
VECTOR_ANTIALIASING
typedef struct _VECTOR_ANTIALIASING
{
L_UINT uThreshold;
L_UINT uDim;
L_UINT uFilter;
}VECTOR_ANTIALIASING, *pVECTOR_ANTIALIASING;
The VECTOR_ANTIALIASING structure is used in the vector display options to apply the anti-aliasing effect to the vector image being displayed.
Member |
Description |
|
uThreshold |
Threshold value that indicates which pixels to smooth. The application of the anti-aliasing filter on the image associates a value with each pixel. Only pixels with values above this threshold are smoothed. |
|
uDim |
Value that indicates the size of the anti-aliasing mask. For example, a value of three indicates an anti-aliasing mask of 3 X 3. |
|
uFilter |
Flag that indicates the type of anti-aliasing filter to use. Possible values are: |
|
|
Value |
Meaning |
|
ANTIALIAS_1 |
[0x0000] Anti-alias the bitmap vertically and horizontally. |
|
ANTIALIAS_2 |
[0x0001] Anti-alias the bitmap in all directions. |
|
ANTIALIAS_3 |
[0x0002] Anti-alias the bitmap in all directions. The filter used for this option is different from the filter used for the ANTIALIAS_2 option. |
|
ANTIALIAS_DIAG |
[0x0003] Anti-alias the bitmap diagonally. |
|
ANTIALIAS_HORZ |
[0x0004] Anti-alias the bitmap horizontally. |
|
ANTIALIAS_VERT |
[0x0005] Anti-alias the bitmap vertically. |
Comments
pVECTOR_ANTIALIASING is a pointer to a VECTOR_ANTIALIASING structure. Where the function parameter type is pVECTOR_ANTIALIASING, you can declare a VECTOR_ANTIALIASING variable, update the structure's fields, and pass the variable's address in the parameter. Declaring a pVECTOR_ANTIALIASING variable is necessary only if your program requires a pointer.
This structure uses the data members the same way as the function L_AntiAliasBitmap. For more information about using L_AntiAliasBitmap, please refer to the LEADTOOLS Raster C DLL Help File, Ltdlln.chm.
The VECTOR_ANTIALIASING structure is used with the VECTOR_DISPLAY_OPTIONS structure.