add CV\filter2D

Signed-off-by: MaleicAcid <CS_MaleicAcid@163.com>

Author: MaleicAcid

opencv.cc

@@ -222,6 +222,7 @@ const zend_function_entry opencv_functions[] = {
     ZEND_NS_NAMED_FE(OPENCV_NS, bilateralFilter, ZEND_FN(opencv_bilateral_filter), opencv_bilateral_filter_arginfo)
     ZEND_NS_NAMED_FE(OPENCV_NS, dilate, ZEND_FN(opencv_dilate), opencv_dilate_arginfo)
     ZEND_NS_NAMED_FE(OPENCV_NS, erode, ZEND_FN(opencv_erode), opencv_erode_arginfo)
+    ZEND_NS_NAMED_FE(OPENCV_NS, filter2D, ZEND_FN(opencv_filter2D), opencv_filter2D_arginfo)
 	ZEND_NS_NAMED_FE(OPENCV_NS, getStructuringElement, ZEND_FN(opencv_get_structuring_element), opencv_get_structuring_element_arginfo)
     ZEND_NS_NAMED_FE(OPENCV_NS, threshold, ZEND_FN(opencv_threshold), opencv_threshold_arginfo)
 	PHP_FE_END	/* Must be the last line in opencv_functions[] */

source/opencv2/opencv_imgproc.cc

@@ -677,6 +677,54 @@ PHP_FUNCTION(opencv_threshold){
     RETURN_DOUBLE(threshold(*src_object->mat, *dst_object->mat, thresh, maxval, (int)type));
 }
 
+/**
+ * CV\filter2D
+ * @param execute_data
+ * @param return_value
+ */
+PHP_FUNCTION(opencv_filter2D){
+
+    zval *src_zval, *dst_zval, *kernel_zval, *anchor_zval = NULL;
+    long ddepth;
+    Point anchor =  Point(-1,-1);
+    double 	delta = 0.0;
+    long border_type = BORDER_DEFAULT;
+    opencv_mat_object *dst_object;
+
+    if (zend_parse_parameters(ZEND_NUM_ARGS(), "OzlO|Odl",
+                              &src_zval, opencv_mat_ce,
+                              &dst_zval,
+                              &ddepth,
+                              &kernel_zval, opencv_mat_ce,
+                              &anchor_zval, opencv_point_ce,
+                              &delta,
+                              &border_type) == FAILURE) {
+        RETURN_NULL();
+    }
+
+    opencv_mat_object *src_object = Z_PHP_MAT_OBJ_P(src_zval);
+    opencv_mat_object *kernel_object = Z_PHP_MAT_OBJ_P(kernel_zval);
+    if(anchor_zval != NULL){
+        opencv_point_object *anchor_object = Z_PHP_POINT_OBJ_P(anchor_zval);
+        anchor = *anchor_object->point;
+    }
+
+    zval *dst_real_zval = Z_REFVAL_P(dst_zval);
+    if(Z_TYPE_P(dst_real_zval) == IS_OBJECT && Z_OBJCE_P(dst_real_zval) == opencv_mat_ce){
+        dst_object = Z_PHP_MAT_OBJ_P(dst_real_zval);
+    } else{
+        zval_ptr_dtor(dst_real_zval);
+        zval instance;
+        Mat dst;
+        object_init_ex(&instance,opencv_mat_ce);
+        ZVAL_COPY_VALUE(dst_real_zval, &instance);
+        dst_object = Z_PHP_MAT_OBJ_P(dst_real_zval);
+        dst_object->mat = new Mat(dst);
+    }
+    filter2D(*src_object->mat, *dst_object->mat, (int)ddepth, *kernel_object->mat, anchor, delta, (int)border_type);
+    RETURN_NULL();
+}
+
 /**
  * CV\getStructuringElement
  * @param execute_data

source/opencv2/opencv_imgproc.h

@@ -111,6 +111,17 @@ ZEND_BEGIN_ARG_INFO_EX(opencv_erode_arginfo, 0, 0, 7)
 ZEND_END_ARG_INFO()
 PHP_FUNCTION(opencv_erode);
 
+ZEND_BEGIN_ARG_INFO_EX(opencv_filter2D_arginfo, 0, 0, 7)
+                ZEND_ARG_INFO(0, src)
+                ZEND_ARG_INFO(1, dst)
+                ZEND_ARG_INFO(0, ddepth)
+                ZEND_ARG_INFO(0, kernel)
+                ZEND_ARG_INFO(0, anchor)
+                ZEND_ARG_INFO(0, delta)
+                ZEND_ARG_INFO(0, border_type)
+ZEND_END_ARG_INFO()
+PHP_FUNCTION(opencv_filter2D);
+
 ZEND_BEGIN_ARG_INFO_EX(opencv_get_structuring_element_arginfo, 0, 0, 3)
                 ZEND_ARG_INFO(0, shape)
                 ZEND_ARG_INFO(0, ksize)