This structure is used by the IG_gui_ip_unsharp_mask_dlg function to choose parameters and apply the Unsharp Mask transform.
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typedef struct tag AT_IGGUI_IP_UNSHARP_MASK { DWORD cbSize; UINT uFlags; HIGEAR hIGear; HWND hWnd; LPCHAR lpszTitle; AT_RECT rc; double dblRadius; UINT nAmount; UINT nThreshold; AT_MODE nColorChannel; AT_ERRCOUNT nErrCount; LPFNIGGUI_IP_UPDATE lpfnUpdateProc; }AT_IGGUI_IP_SMOOTH; |
Name | Type | Description |
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cbSize | DWORD | Specifies the length, in bytes, of the structure. |
uFlags | UINT | A set of bit flags you can use to initialize the dialog box. |
hIGear | HIGEAR | A handle of an image. |
hWnd | HWND | A handle of the window to update. |
lpszTitle | LPCHAR | A dialog title. |
rc | AT_RECT | An AT_RECT struct specifying the portion of the image to be affected. |
dblRadius | double | Defines the neighborhood to be considered for each pixel. The valid range is from 0.1 to 500. |
nAmount | UINT | Amount of sharpening, in percents. The valid range is from 1 to 500. |
nThreshold | UINT | Minimal difference between a pixel and its neighbors at which the pixel will be modified.The valid range for 8-bit gray level and 24-bit images is from 0 to 255; for 9-16-bit gray level images - from 0 to 65535. |
nErrCount | AT_ERRCOUNT | The number of ImageGear errors that occurred during this function call. |
lpfnUpdateProc | LPFNIGGUI_IP_UPDATE | A pointer to the function that is called when the 'Apply' button is clicked. |