LPFNIG_ART_MODIFYNOTIFYFUNC
This function is called after a mark has been modified (moved, resized, or edited).
Declaration:
|
Copy Code
|
typedef VOID (ACCUAPI *LPFNIG_ART_MODIFYNOTIFYFUNC)(
HIGEAR hIGear,
LPVOID lpPrivate,
ART_MARK_INDEX hMarkIndex,
const LPART_MARK_ATTRIBUTES lpMarkAttr,
AT_MODE nReason
);
|
Arguments:
Name |
Type |
Description |
hIGear |
HIGEAR |
HIGEAR handle to the image. |
lpPrivate |
LPVOID |
A far pointer to the private callback data. |
hMarkIndex |
ART_MARK_INDEX |
The index of the mark just modified. |
lpMarkAttr |
const LPART_MARK_ATTRIBUTES |
A far pointer to an ART-defined structure of type ART_MARK_ATTRIBUTES. |
nReason |
AT_MODE |
An integer constant of type AT_MODE, defined in ARTAPI.H. This tells what caused the callback to be called. |
Return Value:
Returns the number of ImageGear errors that occurred during the function call.
Supported Raster Image Formats:
All pixel formats supported by ImageGear for C and C++.
Sample:
None
Example:
|
Copy Code
|
VOID ACCUAPI ARTModifyNotify( HIGEAR hIGear, LPVOID
lpPrivate, ART_MARK_INDEX hMarkIndex,
const LPART_MARK_ATTRIBUTES lpMarkAttr,
AT_MODE nReason)
{
switch (nReason)
{
case ART_MODIFY_ATTRIBUTES:
/* indicate to the user that the highlight */
/* attribute was changed */
if (lpMarkAttr->bHighlighting)
MessageBox(HWND_DESKTOP, "The mark is "
"highlighted", NULL, MB_OK);
}
}
|
Remarks:
In order to use this callback, it must be registered with ART using the function
ART_callback_register().
Upon entry, nReason is set to a constant indicating what triggered the modification. Your application displays one of the library's standard editing dialog boxes. Here is the list of "reasons" why this callback will be called:
ART_MODIFY_ATTRIBUTES |
One or more attributes have been modified (from the ART_MARK_ATTRIBUTES structure). |
ART_MODIFY_ANODAT |
A named block specific to this type of mark was modified. |
ART_MODIFY_FILNAM |
The filename block was modified. |
ART_MODIFY_DIB |
The embedded DIB was changed. |
ART_MODIFY_GROUP |
The mark's group block was modified. |
ART_MODIFY_INDEX |
The mark's index block was changed. |
ART_MODIFY_ANTEXT |
The orientation or length of text mark have been modified. |
ART_MODIFY_NAMED_BLOCK |
A user-defined named block was modified. |