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News Overview Download Order F.A.Q. More info Support Links Welcome QuickStart ActiveX Control C++ Wrapper J2K_Image open easyDecode •selectTiles getMetaData decode close J2K_Frames open getFrames getFrame operators close API Reference General getVersion getLastError getErrorStr getLastErrorStr Unlock Open / Close Open Close Info GetInfo GetInfoEx GetResolutions GetResDimensions GetMetaData Decoding EasyDecode SelectTiles Decode Cancel Debug StartLogging StopLogging |
J2K_Image::selectTiles You need to use this function only if you want to decode a particular tile (or a tile range) from the image. int selectTiles(int start_tile, int end_tile, int action); Parameters start_tile Start tile number of selection range. end_tile End tile number of selection range (inclusive). action Action to do: 1 - select, 0 - unselect (remove from processing).
Return value Returns J2KERR_SUCCESS or an error code if the function has failed. See the list of error codes here. Notes 1. By default (if this function is not used) all tiles are selected. 2. Tiles are numbered starting from 0 in the raster order (i.e. first - by X axis and then by Y). 3. If end_tile == -1 then the max tile number will be used instead. 4. If end_tile < start_tile they will be swapped. Example
J2K_Image image; J2K_Image::open() |
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