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Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. |
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Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. |
typedef struct _POLARDLGPARAMS
{
L_UINT uStructSize;
pBITMAPHANDLE pBitmap;
L_BOOL bZoomToFit;
COLORREF crFill;
L_UINT uPolarFlags;
L_UINT32 uDlgFlags;
LTCOMMDLGHELPCB pfnHelpCallback;
L_VOID *pHelpCallBackUserData;
} POLARDLGPARAMS, * LPPOLARDLGPARAMS;
The POLARDLGPARAMS structure provides information used to initialize the dialog box created by the LDialogImageEffect::DoModalPolar function. After the user closes the dialog box, this structure is updated with information about the user's selections.
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Member |
Description |
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uStructSize |
Size of this structure, in bytes. Use the sizeof operator to calculate this value. |
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pBitmap |
Ignored. |
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bZoomToFit |
Flag that indicates the initial zoom level for previewing the image. Possible values are: |
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Value |
Meaning |
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TRUE |
Set the initial zoom level to "Zoom to fit". |
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FALSE |
Set the initial zoom level to "Normal (1:1)". |
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crFill |
The COLORREF value that specifies the color used to fill exposed areas. You can specify a COLORREF value, such as the return value of the Windows RGB macro, or you can use the PALETTEINDEX macro to specify a palette color. |
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uPolarFlags |
Flags that indicate how exposed areas will be handled and the conversion type. You can use a bitwise OR (|) to specify one flag from each group. The following are the flags that indicate how to handle exposed areas: |
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Value |
Meaning |
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FILL_CLR |
[0x0000] fill exposed areas with the color in crFill. |
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FILL_RPT |
[0x0001] stretch the edges of the image to fill exposed areas. |
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FILL_NOCHANGE |
[0x0002] do not change exposed areas. |
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The following are the flags that indicate the conversion type: |
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Value |
Meaning |
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CART_TO_POL |
[0x0000] convert the image from Cartesian (rectangular) coordinates to polar coordinates. |
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POL_TO_CART |
[0x0010] convert the image from polar coordinates to Cartesian (rectangular) coordinates. |
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uDlgFlags |
User interface flags for this dialog, which determine the layout and action of the dialog. Possible values are: |
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Value |
Meaning |
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DLG_POLAR_SHOW_CONTEXTHELP |
[0x00000002] dialog should contain a context sensitive help icon. |
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DLG_POLAR_SHOW_APPLY |
[0x00000080] Show the Apply button in the dialog. The dialog will not apply any effect unless the user presses the Apply button. |
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pfnHelpCallback |
Ignored. |
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pHelpCallBackUserData |
Ignored. |
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