Threshold.h

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#ifndef DW_IMAGEPROCESSING_SEGMENTATION_THRESHOLDING_H_
#define DW_IMAGEPROCESSING_SEGMENTATION_THRESHOLDING_H_

#include <dw/core/Context.h>
#include <dw/core/Types.h>
#include <dw/image/Image.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef struct dwThresholdObject* dwThresholdHandle_t;

typedef enum dwThresholdBehavior {
    DW_THRESHOLD_BEHAVIOR_BINARY = 0,
    DW_THRESHOLD_BEHAVIOR_TRUNCATE = 1,
    DW_THRESHOLD_BEHAVIOR_TO_ZERO = 2,
} dwThresholdBehavior;

typedef enum dwThresholdMode {
    DW_THRESHOLD_MODE_SIMPLE = 0,
    DW_THRESHOLD_MODE_OTSU = 1,
    DW_THRESHOLD_MODE_PER_PIXEL = 2,
} dwThresholdMode;

typedef struct dwThresholdParameters
{
    dwThresholdMode mode;
    dwThresholdBehavior behavior;
    uint32_t maxVal;
    bool inverse;
    uint32_t manualThresholdValue;
    dwImageHandle_t thresholdingImage;
} dwThresholdParameters;

DW_API_PUBLIC
dwStatus dwThreshold_initialize(dwThresholdHandle_t* handle, dwThresholdParameters params,
                                dwContextHandle_t context);

DW_API_PUBLIC
dwStatus dwThreshold_reset(dwThresholdHandle_t obj);

DW_API_PUBLIC
dwStatus dwThreshold_release(dwThresholdHandle_t handle);

DW_API_PUBLIC
dwStatus dwThreshold_applyThreshold(dwImageHandle_t outputImage, const dwImageHandle_t inputImage, dwThresholdHandle_t obj);

DW_API_PUBLIC
dwStatus dwThreshold_setThresholdParameters(dwThresholdParameters parameters,
                                            dwThresholdHandle_t obj);
DW_API_PUBLIC
dwStatus dwThreshold_setCUDAStream(cudaStream_t stream, dwThresholdHandle_t obj);

DW_API_PUBLIC
dwStatus dwThreshold_getCUDAStream(cudaStream_t* stream, dwThresholdHandle_t obj);

#ifdef __cplusplus
}
#endif

#endif // DW_THRESHOLD_H_