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The ANTIALIASDLGPARAMS structure provides information used to initialize the dialog box created by the LDialogImageEffect::DoModalAntiAlias function. After the user closes the dialog box, this structure is updated with information about the user's selections.
typedef struct _ANTIALIASDLGPARAMS
{
L_UINT uStructSize;
pBITMAPHANDLE pBitmap;
L_BOOL bZoomToFit;
L_INT nThreshold;
L_UINT uDim;
L_UINT uFilter;
L_UINT32 uDlgFlags;
LTCOMMDLGHELPCB pfnHelpCallback;
L_VOID *pHelpCallBackUserData;
} ANTIALIASDLGPARAMS, * LPANTIALIASDLGPARAMS;
Size of this structure, in bytes. Use the sizeof operator to calculate this value.
Ignored.
Flag that indicates the initial zoom level for previewing the image. Possible values are:
Value | Meaning |
---|---|
TRUE | Set the initial zoom level to "Zoom to fit". |
FALSE | Set the initial zoom level to "Normal (1:1)". |
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. Range of possible values are:
If the image is: | Unsigned | Signed |
---|---|---|
12-bit. | 0-4095 | -2048 to +2047 |
16-bit, 48-bit, or 64-bit. | 0-65535 | -32768 to +32767 |
Other bits per pixel. | 0-255 |
Value that indicates the size of the anti-aliasing mask. This value represents the side of a square neighborhood. Possible values range from 2 - 100.
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. |
User interface flags for this dialog, which determine the layout and action of the dialog. Possible values are:
Value | Meaning |
---|---|
DLG_ANTIALIAS_SHOW_CONTEXTHELP | [0x00000002] dialog should contain a context sensitive help icon. |
DLG_ANTIALIAS_SHOW_APPLY | [0x00000080] Show the Apply button in the dialog. The dialog will not apply any effect unless the user presses the Apply button. |
Ignored.
Ignored.