static L_INT LFileSettings::SetLoadResolution(nFormat, nWidth, nHeight)
Specifies the physical resolution (width and height) of the FlashPix, PhotoCD, ECW, or JBIG file to load.
File format. The following are possible values:
Value | Meaning |
---|---|
FILE_PCD | [57] Kodak PhotoCD |
FILE_FPX | [80] Kodak FlashPix |
FILE_JBIG | [115] JBIG |
FILE_JP2 | [163] JPEG 2000. This file format contains image data and extra information about the contents and organization of the file. |
FILE_J2K | [164] JPEG 2000. This file format contains only a stream of image data. |
FILE_CMW | [165] Wavelet CMP. |
FILE_ECW | [277] Enhanced Compressed Wavelet. |
Width of the bitmap to load. You can pass 0 to get the default.
Height of the bitmap to load. You can pass 0 to get the default.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
For PhotoCD files, you can do either of the following:
Specify one of the exact sets of dimensions in the file. You can determine the available dimensions using the LFile::ReadLoadResolutions function.
Specify 0 for both dimensions to load the default resolution.
For FlashPix files, you can do any of the following:
Specify one of the exact sets of dimensions in the file. You can determine the available dimensions using the LFile::ReadLoadResolutions function.
Specify either the desired width or desired height to load, and use 0 to get the default for the other dimension. The default preserves the aspect ratio. The load procedure resizes the bitmap while loading it if necessary.
Specify 0 for both dimensions to load the default resolution.
For JBIG files, you can do any of the following:
Specify 0 for both dimensions to load the default resolution, which is the highest resolution layer, which corresponds to the image with its FULL DIMENSIONS. Ex: If the file contains the image at the following dimensions: 800X600, 400X 300 and 200X150, then in the default case the filter will load the image at 800X600.
Specify either the desired width or desired height to load, and use 0 to get the default for the other dimension. The load procedure will determine the closest resolution layer, which best fits the user's request. Ex: If the file contains the image at the following dimensions: 800X600, 400X 300 and 200X150 and the user requests an image with width equal to 780 for example, then LEADTOOLS will automatically know that the proper width is 800 and load the image at the (800X600) resolution.
Specify one of the exact sets of dimensions in the file. You can determine the available dimensions using the LFile::ReadLoadResolutions function.
For ECW files, you can do any of the following:
Specify 0 for both dimensions to load the default resolution.
You can determine the max width/height that can be set by using LFile::ReadLoadResolutions function.
You cannot set width/height larger than max values returned by LFile::ReadLoadResolutions function.
Win32, x64.
For an example, refer to LFileSettings::GetLoadResolution.
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