Add

Adds two images.

The function interface is declared as follows:

HmppResult HMPPI_Add_32f_C1R(const float* pSrc1, int src1Step, const float* pSrc2, int src2Step, float* pDst, int dstStep, HmppiSize roiSize);

HmppResult HMPPI_Add_32f_C3R(const float* pSrc1, int src1Step, const float* pSrc2, int src2Step, float* pDst, int dstStep, HmppiSize roiSize);

Parameters

Parameter	Description	Value Range	Input/Output
pSrc1	Pointer to the ROI of source image 1	The value cannot be NULL.	Input
src1Step	Distance between starts of consecutive lines in source image 1, in bytes	The value must be zero or a positive integer.	Input
pSrc2	Pointer to the ROI of source image 2	The value cannot be NULL.	Input
src2Step	Distance between starts of consecutive lines in source image 2, in bytes	The value must be zero or a positive integer.	Input
pDst	Pointer to the destination image	The value cannot be NULL.	Output
dstStep	Distance between starts of consecutive lines in the destination image, in bytes	The value must be zero or a positive integer.	Input
roiSize	Size of the ROI of the source and destination images, in pixels	roiSize.width ∈ (0, INT_MAX], roiSize.height ∈ (0, INT_MAX]	Input

Return Value

Success: HMPP_STS_NO_ERR
Failure: An error code is returned.

Error Codes

Error Code	Description
HMPP_STS_NULL_PTR_ERR	The value of src or max is NULL.
HMPP_STS_STEP_ERR	The value of srcStep is less than or equal to 0.
HMPP_STS_SIZE_ERR	The value of roiSize.width or roiSize.height is less than or equal to 0.

Example

#define BUFFER_SIZE_T 10
void AddExample(void)
{
    float src1[BUFFER_SIZE_T] = {1.64, 1.63, -1.09, 0.71, -3.20, -0.43, 0.41, -4.83, 5.36, -4.40};
    float src2[BUFFER_SIZE_T] = {9.54, 3.77, 2.1, -3.77, 1.59, 2.9, -3.77, 8.91, 0.19, -0.11};
    float dst[BUFFER_SIZE_T];
    (void)HMPPS_Zero_32f(dst, BUFFER_SIZE_T); // Initialize all elements of dst to 0.
    HmppiSize roiSize = {2, 5};
    HmppResult result = HMPPI_Add_32f_C1R(src1, 2 * sizeof(float), src2, 2 * sizeof(float),
        dst, 2 * sizeof(float), roiSize);
    printf("result = %d\n", result);
    if (result != HMPP_STS_NO_ERR) {
        return;
    }
    printf("dst =");
    for (int i = 0; i < BUFFER_SIZE_T; i++) {
        printf(" %.2f", dst[i]);
    }
    printf("\n");
}
int main() {
    AddExample();
    return 0;
}

Output:

result = 0
dst = 11.18 5.40 1.01 -3.06 -1.61 2.47 -3.36 4.08 5.55 -4.51

Parent topic: Basic Operations