This function allows you to set a control parameter value for the specified format filter.
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AT_ERRCODE ACCUAPI IG_fltr_ctrl_set(
DWORD dwFormatID,
const LPCHAR lpcsCtrlName,
LPVOID lpValue,
DWORD dwValueSize
);
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Name | Type | Description |
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dwFormatID | DWORD | A constant indicating the format filter for which the control parameter should be set. See enumIGFormats for possible values. |
lpcsCtrlName | const LPCHAR | Specifies the name of control parameter you want to set. The list of names of supported control parameters can be obtained using IG_fltr_ctrl_list. |
lpValue | LPVOID | Specifies the new value for the control parameter. See Remarks. |
dwValueSize | DWORD | Specifies the size (in bytes) of the control parameter value. |
This function does not process image pixels.
Filter, Vector, ASCII.
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AT_ERRCOUNT nErrcount; // Count of returned errors on stack DWORD bufferSize = 32767; // Get a type and a size of the control parameter nErrcount = IG_fltr_ctrl_set(IG_FORMAT_TIF, "BUFFER_SIZE", (LPVOID)(AT_UINT)bufferSize, sizeof(bufferSize)); |
See File Formats Reference section for description of all control parameters supported by ImageGear file format filters.
Use IG_fltr_ctrl_list to get the list of supported control parameters for a specific format. Use IG_fltr_ctrl_get to get the information about a specific control parameter, as well as its current value.
The rules for passing values to this function are as follows:
See also the section Loading and Saving.