781         long pixel_idx;  in BlurHorizontal()  local
793                 pixel_idx = y * M_IMGDATA->m_width;  in BlurHorizontal()
795                 pixel_idx = kernel_x + y * M_IMGDATA->m_width;  in BlurHorizontal()
797             src = src_data + pixel_idx*3;  in BlurHorizontal()
802                 sum_a += src_alpha[pixel_idx];  in BlurHorizontal()
819                 pixel_idx = y * M_IMGDATA->m_width;  in BlurHorizontal()
821                 pixel_idx = (x - blurRadius - 1) + y * M_IMGDATA->m_width;  in BlurHorizontal()
825             src = src_data + pixel_idx*3;  in BlurHorizontal()
830                 sum_a -= src_alpha[pixel_idx];  in BlurHorizontal()
834                 pixel_idx = M_IMGDATA->m_width - 1 + y * M_IMGDATA->m_width;  in BlurHorizontal()
836                 pixel_idx = x + blurRadius + y * M_IMGDATA->m_width;  in BlurHorizontal()
839             src = src_data + pixel_idx*3;  in BlurHorizontal()
844                 sum_a += src_alpha[pixel_idx];  in BlurHorizontal()
899         long pixel_idx;  in BlurVertical()  local
911                 pixel_idx = x;  in BlurVertical()
913                 pixel_idx = x + kernel_y * M_IMGDATA->m_width;  in BlurVertical()
915             src = src_data + pixel_idx*3;  in BlurVertical()
920                 sum_a += src_alpha[pixel_idx];  in BlurVertical()
937                 pixel_idx = x;  in BlurVertical()
939                 pixel_idx = x + (y - blurRadius - 1) * M_IMGDATA->m_width;  in BlurVertical()
942             src = src_data + pixel_idx*3;  in BlurVertical()
947                 sum_a -= src_alpha[pixel_idx];  in BlurVertical()
952                 pixel_idx = x + (M_IMGDATA->m_height - 1) * M_IMGDATA->m_width;  in BlurVertical()
954                 pixel_idx = x + (blurRadius + y) * M_IMGDATA->m_width;  in BlurVertical()
957             src = src_data + pixel_idx*3;  in BlurVertical()
962                 sum_a += src_alpha[pixel_idx];  in BlurVertical()